1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25 * Copyright (c) 2011, 2014 by Delphix. All rights reserved. 26 * Copyright (c) 2012 by Frederik Wessels. All rights reserved. 27 * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved. 28 */ 29 30 #include <assert.h> 31 #include <ctype.h> 32 #include <dirent.h> 33 #include <errno.h> 34 #include <fcntl.h> 35 #include <libgen.h> 36 #include <libintl.h> 37 #include <libuutil.h> 38 #include <locale.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <strings.h> 43 #include <unistd.h> 44 #include <priv.h> 45 #include <pwd.h> 46 #include <zone.h> 47 #include <zfs_prop.h> 48 #include <sys/fs/zfs.h> 49 #include <sys/stat.h> 50 51 #include <libzfs.h> 52 53 #include "zpool_util.h" 54 #include "zfs_comutil.h" 55 #include "zfeature_common.h" 56 57 #include "statcommon.h" 58 59 static int zpool_do_create(int, char **); 60 static int zpool_do_destroy(int, char **); 61 62 static int zpool_do_add(int, char **); 63 static int zpool_do_remove(int, char **); 64 65 static int zpool_do_list(int, char **); 66 static int zpool_do_iostat(int, char **); 67 static int zpool_do_status(int, char **); 68 69 static int zpool_do_online(int, char **); 70 static int zpool_do_offline(int, char **); 71 static int zpool_do_clear(int, char **); 72 static int zpool_do_reopen(int, char **); 73 74 static int zpool_do_reguid(int, char **); 75 76 static int zpool_do_attach(int, char **); 77 static int zpool_do_detach(int, char **); 78 static int zpool_do_replace(int, char **); 79 static int zpool_do_split(int, char **); 80 81 static int zpool_do_scrub(int, char **); 82 83 static int zpool_do_import(int, char **); 84 static int zpool_do_export(int, char **); 85 86 static int zpool_do_upgrade(int, char **); 87 88 static int zpool_do_history(int, char **); 89 90 static int zpool_do_get(int, char **); 91 static int zpool_do_set(int, char **); 92 93 /* 94 * These libumem hooks provide a reasonable set of defaults for the allocator's 95 * debugging facilities. 96 */ 97 98 #ifdef DEBUG 99 const char * 100 _umem_debug_init(void) 101 { 102 return ("default,verbose"); /* $UMEM_DEBUG setting */ 103 } 104 105 const char * 106 _umem_logging_init(void) 107 { 108 return ("fail,contents"); /* $UMEM_LOGGING setting */ 109 } 110 #endif 111 112 typedef enum { 113 HELP_ADD, 114 HELP_ATTACH, 115 HELP_CLEAR, 116 HELP_CREATE, 117 HELP_DESTROY, 118 HELP_DETACH, 119 HELP_EXPORT, 120 HELP_HISTORY, 121 HELP_IMPORT, 122 HELP_IOSTAT, 123 HELP_LIST, 124 HELP_OFFLINE, 125 HELP_ONLINE, 126 HELP_REPLACE, 127 HELP_REMOVE, 128 HELP_SCRUB, 129 HELP_STATUS, 130 HELP_UPGRADE, 131 HELP_GET, 132 HELP_SET, 133 HELP_SPLIT, 134 HELP_REGUID, 135 HELP_REOPEN 136 } zpool_help_t; 137 138 139 typedef struct zpool_command { 140 const char *name; 141 int (*func)(int, char **); 142 zpool_help_t usage; 143 } zpool_command_t; 144 145 /* 146 * Master command table. Each ZFS command has a name, associated function, and 147 * usage message. The usage messages need to be internationalized, so we have 148 * to have a function to return the usage message based on a command index. 149 * 150 * These commands are organized according to how they are displayed in the usage 151 * message. An empty command (one with a NULL name) indicates an empty line in 152 * the generic usage message. 153 */ 154 static zpool_command_t command_table[] = { 155 { "create", zpool_do_create, HELP_CREATE }, 156 { "destroy", zpool_do_destroy, HELP_DESTROY }, 157 { NULL }, 158 { "add", zpool_do_add, HELP_ADD }, 159 { "remove", zpool_do_remove, HELP_REMOVE }, 160 { NULL }, 161 { "list", zpool_do_list, HELP_LIST }, 162 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 163 { "status", zpool_do_status, HELP_STATUS }, 164 { NULL }, 165 { "online", zpool_do_online, HELP_ONLINE }, 166 { "offline", zpool_do_offline, HELP_OFFLINE }, 167 { "clear", zpool_do_clear, HELP_CLEAR }, 168 { "reopen", zpool_do_reopen, HELP_REOPEN }, 169 { NULL }, 170 { "attach", zpool_do_attach, HELP_ATTACH }, 171 { "detach", zpool_do_detach, HELP_DETACH }, 172 { "replace", zpool_do_replace, HELP_REPLACE }, 173 { "split", zpool_do_split, HELP_SPLIT }, 174 { NULL }, 175 { "scrub", zpool_do_scrub, HELP_SCRUB }, 176 { NULL }, 177 { "import", zpool_do_import, HELP_IMPORT }, 178 { "export", zpool_do_export, HELP_EXPORT }, 179 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 180 { "reguid", zpool_do_reguid, HELP_REGUID }, 181 { NULL }, 182 { "history", zpool_do_history, HELP_HISTORY }, 183 { "get", zpool_do_get, HELP_GET }, 184 { "set", zpool_do_set, HELP_SET }, 185 }; 186 187 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 188 189 static zpool_command_t *current_command; 190 static char history_str[HIS_MAX_RECORD_LEN]; 191 static boolean_t log_history = B_TRUE; 192 static uint_t timestamp_fmt = NODATE; 193 194 static const char * 195 get_usage(zpool_help_t idx) { 196 switch (idx) { 197 case HELP_ADD: 198 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 199 case HELP_ATTACH: 200 return (gettext("\tattach [-f] <pool> <device> " 201 "<new-device>\n")); 202 case HELP_CLEAR: 203 return (gettext("\tclear [-nF] <pool> [device]\n")); 204 case HELP_CREATE: 205 return (gettext("\tcreate [-fnd] [-o property=value] ... \n" 206 "\t [-O file-system-property=value] ... \n" 207 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 208 case HELP_DESTROY: 209 return (gettext("\tdestroy [-f] <pool>\n")); 210 case HELP_DETACH: 211 return (gettext("\tdetach <pool> <device>\n")); 212 case HELP_EXPORT: 213 return (gettext("\texport [-f] <pool> ...\n")); 214 case HELP_HISTORY: 215 return (gettext("\thistory [-il] [<pool>] ...\n")); 216 case HELP_IMPORT: 217 return (gettext("\timport [-d dir] [-D]\n" 218 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 219 "\timport [-o mntopts] [-o property=value] ... \n" 220 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 221 "[-R root] [-F [-n]] -a\n" 222 "\timport [-o mntopts] [-o property=value] ... \n" 223 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 224 "[-R root] [-F [-n]]\n" 225 "\t <pool | id> [newpool]\n")); 226 case HELP_IOSTAT: 227 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 228 "[count]]\n")); 229 case HELP_LIST: 230 return (gettext("\tlist [-Hp] [-o property[,...]] " 231 "[-T d|u] [pool] ... [interval [count]]\n")); 232 case HELP_OFFLINE: 233 return (gettext("\toffline [-t] <pool> <device> ...\n")); 234 case HELP_ONLINE: 235 return (gettext("\tonline <pool> <device> ...\n")); 236 case HELP_REPLACE: 237 return (gettext("\treplace [-f] <pool> <device> " 238 "[new-device]\n")); 239 case HELP_REMOVE: 240 return (gettext("\tremove <pool> <device> ...\n")); 241 case HELP_REOPEN: 242 return (gettext("\treopen <pool>\n")); 243 case HELP_SCRUB: 244 return (gettext("\tscrub [-s] <pool> ...\n")); 245 case HELP_STATUS: 246 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval " 247 "[count]]\n")); 248 case HELP_UPGRADE: 249 return (gettext("\tupgrade\n" 250 "\tupgrade -v\n" 251 "\tupgrade [-V version] <-a | pool ...>\n")); 252 case HELP_GET: 253 return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] " 254 "<\"all\" | property[,...]> <pool> ...\n")); 255 case HELP_SET: 256 return (gettext("\tset <property=value> <pool> \n")); 257 case HELP_SPLIT: 258 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 259 "\t [-o property=value] <pool> <newpool> " 260 "[<device> ...]\n")); 261 case HELP_REGUID: 262 return (gettext("\treguid <pool>\n")); 263 } 264 265 abort(); 266 /* NOTREACHED */ 267 } 268 269 270 /* 271 * Callback routine that will print out a pool property value. 272 */ 273 static int 274 print_prop_cb(int prop, void *cb) 275 { 276 FILE *fp = cb; 277 278 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 279 280 if (zpool_prop_readonly(prop)) 281 (void) fprintf(fp, " NO "); 282 else 283 (void) fprintf(fp, " YES "); 284 285 if (zpool_prop_values(prop) == NULL) 286 (void) fprintf(fp, "-\n"); 287 else 288 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 289 290 return (ZPROP_CONT); 291 } 292 293 /* 294 * Display usage message. If we're inside a command, display only the usage for 295 * that command. Otherwise, iterate over the entire command table and display 296 * a complete usage message. 297 */ 298 void 299 usage(boolean_t requested) 300 { 301 FILE *fp = requested ? stdout : stderr; 302 303 if (current_command == NULL) { 304 int i; 305 306 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 307 (void) fprintf(fp, 308 gettext("where 'command' is one of the following:\n\n")); 309 310 for (i = 0; i < NCOMMAND; i++) { 311 if (command_table[i].name == NULL) 312 (void) fprintf(fp, "\n"); 313 else 314 (void) fprintf(fp, "%s", 315 get_usage(command_table[i].usage)); 316 } 317 } else { 318 (void) fprintf(fp, gettext("usage:\n")); 319 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 320 } 321 322 if (current_command != NULL && 323 ((strcmp(current_command->name, "set") == 0) || 324 (strcmp(current_command->name, "get") == 0) || 325 (strcmp(current_command->name, "list") == 0))) { 326 327 (void) fprintf(fp, 328 gettext("\nthe following properties are supported:\n")); 329 330 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 331 "PROPERTY", "EDIT", "VALUES"); 332 333 /* Iterate over all properties */ 334 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 335 ZFS_TYPE_POOL); 336 337 (void) fprintf(fp, "\t%-15s ", "feature@..."); 338 (void) fprintf(fp, "YES disabled | enabled | active\n"); 339 340 (void) fprintf(fp, gettext("\nThe feature@ properties must be " 341 "appended with a feature name.\nSee zpool-features(5).\n")); 342 } 343 344 /* 345 * See comments at end of main(). 346 */ 347 if (getenv("ZFS_ABORT") != NULL) { 348 (void) printf("dumping core by request\n"); 349 abort(); 350 } 351 352 exit(requested ? 0 : 2); 353 } 354 355 void 356 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 357 boolean_t print_logs) 358 { 359 nvlist_t **child; 360 uint_t c, children; 361 char *vname; 362 363 if (name != NULL) 364 (void) printf("\t%*s%s\n", indent, "", name); 365 366 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 367 &child, &children) != 0) 368 return; 369 370 for (c = 0; c < children; c++) { 371 uint64_t is_log = B_FALSE; 372 373 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 374 &is_log); 375 if ((is_log && !print_logs) || (!is_log && print_logs)) 376 continue; 377 378 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 379 print_vdev_tree(zhp, vname, child[c], indent + 2, 380 B_FALSE); 381 free(vname); 382 } 383 } 384 385 static boolean_t 386 prop_list_contains_feature(nvlist_t *proplist) 387 { 388 nvpair_t *nvp; 389 for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp; 390 nvp = nvlist_next_nvpair(proplist, nvp)) { 391 if (zpool_prop_feature(nvpair_name(nvp))) 392 return (B_TRUE); 393 } 394 return (B_FALSE); 395 } 396 397 /* 398 * Add a property pair (name, string-value) into a property nvlist. 399 */ 400 static int 401 add_prop_list(const char *propname, char *propval, nvlist_t **props, 402 boolean_t poolprop) 403 { 404 zpool_prop_t prop = ZPROP_INVAL; 405 zfs_prop_t fprop; 406 nvlist_t *proplist; 407 const char *normnm; 408 char *strval; 409 410 if (*props == NULL && 411 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 412 (void) fprintf(stderr, 413 gettext("internal error: out of memory\n")); 414 return (1); 415 } 416 417 proplist = *props; 418 419 if (poolprop) { 420 const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION); 421 422 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL && 423 !zpool_prop_feature(propname)) { 424 (void) fprintf(stderr, gettext("property '%s' is " 425 "not a valid pool property\n"), propname); 426 return (2); 427 } 428 429 /* 430 * feature@ properties and version should not be specified 431 * at the same time. 432 */ 433 if ((prop == ZPROP_INVAL && zpool_prop_feature(propname) && 434 nvlist_exists(proplist, vname)) || 435 (prop == ZPOOL_PROP_VERSION && 436 prop_list_contains_feature(proplist))) { 437 (void) fprintf(stderr, gettext("'feature@' and " 438 "'version' properties cannot be specified " 439 "together\n")); 440 return (2); 441 } 442 443 444 if (zpool_prop_feature(propname)) 445 normnm = propname; 446 else 447 normnm = zpool_prop_to_name(prop); 448 } else { 449 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 450 normnm = zfs_prop_to_name(fprop); 451 } else { 452 normnm = propname; 453 } 454 } 455 456 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 457 prop != ZPOOL_PROP_CACHEFILE) { 458 (void) fprintf(stderr, gettext("property '%s' " 459 "specified multiple times\n"), propname); 460 return (2); 461 } 462 463 if (nvlist_add_string(proplist, normnm, propval) != 0) { 464 (void) fprintf(stderr, gettext("internal " 465 "error: out of memory\n")); 466 return (1); 467 } 468 469 return (0); 470 } 471 472 /* 473 * zpool add [-fn] <pool> <vdev> ... 474 * 475 * -f Force addition of devices, even if they appear in use 476 * -n Do not add the devices, but display the resulting layout if 477 * they were to be added. 478 * 479 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 480 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 481 * libzfs. 482 */ 483 int 484 zpool_do_add(int argc, char **argv) 485 { 486 boolean_t force = B_FALSE; 487 boolean_t dryrun = B_FALSE; 488 int c; 489 nvlist_t *nvroot; 490 char *poolname; 491 int ret; 492 zpool_handle_t *zhp; 493 nvlist_t *config; 494 495 /* check options */ 496 while ((c = getopt(argc, argv, "fn")) != -1) { 497 switch (c) { 498 case 'f': 499 force = B_TRUE; 500 break; 501 case 'n': 502 dryrun = B_TRUE; 503 break; 504 case '?': 505 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 506 optopt); 507 usage(B_FALSE); 508 } 509 } 510 511 argc -= optind; 512 argv += optind; 513 514 /* get pool name and check number of arguments */ 515 if (argc < 1) { 516 (void) fprintf(stderr, gettext("missing pool name argument\n")); 517 usage(B_FALSE); 518 } 519 if (argc < 2) { 520 (void) fprintf(stderr, gettext("missing vdev specification\n")); 521 usage(B_FALSE); 522 } 523 524 poolname = argv[0]; 525 526 argc--; 527 argv++; 528 529 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 530 return (1); 531 532 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 533 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 534 poolname); 535 zpool_close(zhp); 536 return (1); 537 } 538 539 /* pass off to get_vdev_spec for processing */ 540 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 541 argc, argv); 542 if (nvroot == NULL) { 543 zpool_close(zhp); 544 return (1); 545 } 546 547 if (dryrun) { 548 nvlist_t *poolnvroot; 549 550 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 551 &poolnvroot) == 0); 552 553 (void) printf(gettext("would update '%s' to the following " 554 "configuration:\n"), zpool_get_name(zhp)); 555 556 /* print original main pool and new tree */ 557 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 558 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 559 560 /* Do the same for the logs */ 561 if (num_logs(poolnvroot) > 0) { 562 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 563 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 564 } else if (num_logs(nvroot) > 0) { 565 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 566 } 567 568 ret = 0; 569 } else { 570 ret = (zpool_add(zhp, nvroot) != 0); 571 } 572 573 nvlist_free(nvroot); 574 zpool_close(zhp); 575 576 return (ret); 577 } 578 579 /* 580 * zpool remove <pool> <vdev> ... 581 * 582 * Removes the given vdev from the pool. Currently, this supports removing 583 * spares, cache, and log devices from the pool. 584 */ 585 int 586 zpool_do_remove(int argc, char **argv) 587 { 588 char *poolname; 589 int i, ret = 0; 590 zpool_handle_t *zhp; 591 592 argc--; 593 argv++; 594 595 /* get pool name and check number of arguments */ 596 if (argc < 1) { 597 (void) fprintf(stderr, gettext("missing pool name argument\n")); 598 usage(B_FALSE); 599 } 600 if (argc < 2) { 601 (void) fprintf(stderr, gettext("missing device\n")); 602 usage(B_FALSE); 603 } 604 605 poolname = argv[0]; 606 607 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 608 return (1); 609 610 for (i = 1; i < argc; i++) { 611 if (zpool_vdev_remove(zhp, argv[i]) != 0) 612 ret = 1; 613 } 614 615 return (ret); 616 } 617 618 /* 619 * zpool create [-fnd] [-o property=value] ... 620 * [-O file-system-property=value] ... 621 * [-R root] [-m mountpoint] <pool> <dev> ... 622 * 623 * -f Force creation, even if devices appear in use 624 * -n Do not create the pool, but display the resulting layout if it 625 * were to be created. 626 * -R Create a pool under an alternate root 627 * -m Set default mountpoint for the root dataset. By default it's 628 * '/<pool>' 629 * -o Set property=value. 630 * -d Don't automatically enable all supported pool features 631 * (individual features can be enabled with -o). 632 * -O Set fsproperty=value in the pool's root file system 633 * 634 * Creates the named pool according to the given vdev specification. The 635 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 636 * we get the nvlist back from get_vdev_spec(), we either print out the contents 637 * (if '-n' was specified), or pass it to libzfs to do the creation. 638 */ 639 int 640 zpool_do_create(int argc, char **argv) 641 { 642 boolean_t force = B_FALSE; 643 boolean_t dryrun = B_FALSE; 644 boolean_t enable_all_pool_feat = B_TRUE; 645 int c; 646 nvlist_t *nvroot = NULL; 647 char *poolname; 648 int ret = 1; 649 char *altroot = NULL; 650 char *mountpoint = NULL; 651 nvlist_t *fsprops = NULL; 652 nvlist_t *props = NULL; 653 char *propval; 654 655 /* check options */ 656 while ((c = getopt(argc, argv, ":fndR:m:o:O:")) != -1) { 657 switch (c) { 658 case 'f': 659 force = B_TRUE; 660 break; 661 case 'n': 662 dryrun = B_TRUE; 663 break; 664 case 'd': 665 enable_all_pool_feat = B_FALSE; 666 break; 667 case 'R': 668 altroot = optarg; 669 if (add_prop_list(zpool_prop_to_name( 670 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 671 goto errout; 672 if (nvlist_lookup_string(props, 673 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 674 &propval) == 0) 675 break; 676 if (add_prop_list(zpool_prop_to_name( 677 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 678 goto errout; 679 break; 680 case 'm': 681 /* Equivalent to -O mountpoint=optarg */ 682 mountpoint = optarg; 683 break; 684 case 'o': 685 if ((propval = strchr(optarg, '=')) == NULL) { 686 (void) fprintf(stderr, gettext("missing " 687 "'=' for -o option\n")); 688 goto errout; 689 } 690 *propval = '\0'; 691 propval++; 692 693 if (add_prop_list(optarg, propval, &props, B_TRUE)) 694 goto errout; 695 696 /* 697 * If the user is creating a pool that doesn't support 698 * feature flags, don't enable any features. 699 */ 700 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) { 701 char *end; 702 u_longlong_t ver; 703 704 ver = strtoull(propval, &end, 10); 705 if (*end == '\0' && 706 ver < SPA_VERSION_FEATURES) { 707 enable_all_pool_feat = B_FALSE; 708 } 709 } 710 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_ALTROOT) 711 altroot = propval; 712 break; 713 case 'O': 714 if ((propval = strchr(optarg, '=')) == NULL) { 715 (void) fprintf(stderr, gettext("missing " 716 "'=' for -O option\n")); 717 goto errout; 718 } 719 *propval = '\0'; 720 propval++; 721 722 /* 723 * Mountpoints are checked and then added later. 724 * Uniquely among properties, they can be specified 725 * more than once, to avoid conflict with -m. 726 */ 727 if (0 == strcmp(optarg, 728 zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) { 729 mountpoint = propval; 730 } else if (add_prop_list(optarg, propval, &fsprops, 731 B_FALSE)) { 732 goto errout; 733 } 734 break; 735 case ':': 736 (void) fprintf(stderr, gettext("missing argument for " 737 "'%c' option\n"), optopt); 738 goto badusage; 739 case '?': 740 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 741 optopt); 742 goto badusage; 743 } 744 } 745 746 argc -= optind; 747 argv += optind; 748 749 /* get pool name and check number of arguments */ 750 if (argc < 1) { 751 (void) fprintf(stderr, gettext("missing pool name argument\n")); 752 goto badusage; 753 } 754 if (argc < 2) { 755 (void) fprintf(stderr, gettext("missing vdev specification\n")); 756 goto badusage; 757 } 758 759 poolname = argv[0]; 760 761 /* 762 * As a special case, check for use of '/' in the name, and direct the 763 * user to use 'zfs create' instead. 764 */ 765 if (strchr(poolname, '/') != NULL) { 766 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 767 "character '/' in pool name\n"), poolname); 768 (void) fprintf(stderr, gettext("use 'zfs create' to " 769 "create a dataset\n")); 770 goto errout; 771 } 772 773 /* pass off to get_vdev_spec for bulk processing */ 774 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 775 argc - 1, argv + 1); 776 if (nvroot == NULL) 777 goto errout; 778 779 /* make_root_vdev() allows 0 toplevel children if there are spares */ 780 if (!zfs_allocatable_devs(nvroot)) { 781 (void) fprintf(stderr, gettext("invalid vdev " 782 "specification: at least one toplevel vdev must be " 783 "specified\n")); 784 goto errout; 785 } 786 787 if (altroot != NULL && altroot[0] != '/') { 788 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 789 "must be an absolute path\n"), altroot); 790 goto errout; 791 } 792 793 /* 794 * Check the validity of the mountpoint and direct the user to use the 795 * '-m' mountpoint option if it looks like its in use. 796 */ 797 if (mountpoint == NULL || 798 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 799 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) { 800 char buf[MAXPATHLEN]; 801 DIR *dirp; 802 803 if (mountpoint && mountpoint[0] != '/') { 804 (void) fprintf(stderr, gettext("invalid mountpoint " 805 "'%s': must be an absolute path, 'legacy', or " 806 "'none'\n"), mountpoint); 807 goto errout; 808 } 809 810 if (mountpoint == NULL) { 811 if (altroot != NULL) 812 (void) snprintf(buf, sizeof (buf), "%s/%s", 813 altroot, poolname); 814 else 815 (void) snprintf(buf, sizeof (buf), "/%s", 816 poolname); 817 } else { 818 if (altroot != NULL) 819 (void) snprintf(buf, sizeof (buf), "%s%s", 820 altroot, mountpoint); 821 else 822 (void) snprintf(buf, sizeof (buf), "%s", 823 mountpoint); 824 } 825 826 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 827 (void) fprintf(stderr, gettext("mountpoint '%s' : " 828 "%s\n"), buf, strerror(errno)); 829 (void) fprintf(stderr, gettext("use '-m' " 830 "option to provide a different default\n")); 831 goto errout; 832 } else if (dirp) { 833 int count = 0; 834 835 while (count < 3 && readdir(dirp) != NULL) 836 count++; 837 (void) closedir(dirp); 838 839 if (count > 2) { 840 (void) fprintf(stderr, gettext("mountpoint " 841 "'%s' exists and is not empty\n"), buf); 842 (void) fprintf(stderr, gettext("use '-m' " 843 "option to provide a " 844 "different default\n")); 845 goto errout; 846 } 847 } 848 } 849 850 /* 851 * Now that the mountpoint's validity has been checked, ensure that 852 * the property is set appropriately prior to creating the pool. 853 */ 854 if (mountpoint != NULL) { 855 ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), 856 mountpoint, &fsprops, B_FALSE); 857 if (ret != 0) 858 goto errout; 859 } 860 861 ret = 1; 862 if (dryrun) { 863 /* 864 * For a dry run invocation, print out a basic message and run 865 * through all the vdevs in the list and print out in an 866 * appropriate hierarchy. 867 */ 868 (void) printf(gettext("would create '%s' with the " 869 "following layout:\n\n"), poolname); 870 871 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 872 if (num_logs(nvroot) > 0) 873 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 874 875 ret = 0; 876 } else { 877 /* 878 * Hand off to libzfs. 879 */ 880 if (enable_all_pool_feat) { 881 spa_feature_t i; 882 for (i = 0; i < SPA_FEATURES; i++) { 883 char propname[MAXPATHLEN]; 884 zfeature_info_t *feat = &spa_feature_table[i]; 885 886 (void) snprintf(propname, sizeof (propname), 887 "feature@%s", feat->fi_uname); 888 889 /* 890 * Skip feature if user specified it manually 891 * on the command line. 892 */ 893 if (nvlist_exists(props, propname)) 894 continue; 895 896 ret = add_prop_list(propname, 897 ZFS_FEATURE_ENABLED, &props, B_TRUE); 898 if (ret != 0) 899 goto errout; 900 } 901 } 902 903 ret = 1; 904 if (zpool_create(g_zfs, poolname, 905 nvroot, props, fsprops) == 0) { 906 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 907 ZFS_TYPE_FILESYSTEM); 908 if (pool != NULL) { 909 if (zfs_mount(pool, NULL, 0) == 0) 910 ret = zfs_shareall(pool); 911 zfs_close(pool); 912 } 913 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 914 (void) fprintf(stderr, gettext("pool name may have " 915 "been omitted\n")); 916 } 917 } 918 919 errout: 920 nvlist_free(nvroot); 921 nvlist_free(fsprops); 922 nvlist_free(props); 923 return (ret); 924 badusage: 925 nvlist_free(fsprops); 926 nvlist_free(props); 927 usage(B_FALSE); 928 return (2); 929 } 930 931 /* 932 * zpool destroy <pool> 933 * 934 * -f Forcefully unmount any datasets 935 * 936 * Destroy the given pool. Automatically unmounts any datasets in the pool. 937 */ 938 int 939 zpool_do_destroy(int argc, char **argv) 940 { 941 boolean_t force = B_FALSE; 942 int c; 943 char *pool; 944 zpool_handle_t *zhp; 945 int ret; 946 947 /* check options */ 948 while ((c = getopt(argc, argv, "f")) != -1) { 949 switch (c) { 950 case 'f': 951 force = B_TRUE; 952 break; 953 case '?': 954 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 955 optopt); 956 usage(B_FALSE); 957 } 958 } 959 960 argc -= optind; 961 argv += optind; 962 963 /* check arguments */ 964 if (argc < 1) { 965 (void) fprintf(stderr, gettext("missing pool argument\n")); 966 usage(B_FALSE); 967 } 968 if (argc > 1) { 969 (void) fprintf(stderr, gettext("too many arguments\n")); 970 usage(B_FALSE); 971 } 972 973 pool = argv[0]; 974 975 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 976 /* 977 * As a special case, check for use of '/' in the name, and 978 * direct the user to use 'zfs destroy' instead. 979 */ 980 if (strchr(pool, '/') != NULL) 981 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 982 "destroy a dataset\n")); 983 return (1); 984 } 985 986 if (zpool_disable_datasets(zhp, force) != 0) { 987 (void) fprintf(stderr, gettext("could not destroy '%s': " 988 "could not unmount datasets\n"), zpool_get_name(zhp)); 989 return (1); 990 } 991 992 /* The history must be logged as part of the export */ 993 log_history = B_FALSE; 994 995 ret = (zpool_destroy(zhp, history_str) != 0); 996 997 zpool_close(zhp); 998 999 return (ret); 1000 } 1001 1002 /* 1003 * zpool export [-f] <pool> ... 1004 * 1005 * -f Forcefully unmount datasets 1006 * 1007 * Export the given pools. By default, the command will attempt to cleanly 1008 * unmount any active datasets within the pool. If the '-f' flag is specified, 1009 * then the datasets will be forcefully unmounted. 1010 */ 1011 int 1012 zpool_do_export(int argc, char **argv) 1013 { 1014 boolean_t force = B_FALSE; 1015 boolean_t hardforce = B_FALSE; 1016 int c; 1017 zpool_handle_t *zhp; 1018 int ret; 1019 int i; 1020 1021 /* check options */ 1022 while ((c = getopt(argc, argv, "fF")) != -1) { 1023 switch (c) { 1024 case 'f': 1025 force = B_TRUE; 1026 break; 1027 case 'F': 1028 hardforce = B_TRUE; 1029 break; 1030 case '?': 1031 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1032 optopt); 1033 usage(B_FALSE); 1034 } 1035 } 1036 1037 argc -= optind; 1038 argv += optind; 1039 1040 /* check arguments */ 1041 if (argc < 1) { 1042 (void) fprintf(stderr, gettext("missing pool argument\n")); 1043 usage(B_FALSE); 1044 } 1045 1046 ret = 0; 1047 for (i = 0; i < argc; i++) { 1048 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 1049 ret = 1; 1050 continue; 1051 } 1052 1053 if (zpool_disable_datasets(zhp, force) != 0) { 1054 ret = 1; 1055 zpool_close(zhp); 1056 continue; 1057 } 1058 1059 /* The history must be logged as part of the export */ 1060 log_history = B_FALSE; 1061 1062 if (hardforce) { 1063 if (zpool_export_force(zhp, history_str) != 0) 1064 ret = 1; 1065 } else if (zpool_export(zhp, force, history_str) != 0) { 1066 ret = 1; 1067 } 1068 1069 zpool_close(zhp); 1070 } 1071 1072 return (ret); 1073 } 1074 1075 /* 1076 * Given a vdev configuration, determine the maximum width needed for the device 1077 * name column. 1078 */ 1079 static int 1080 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 1081 { 1082 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 1083 nvlist_t **child; 1084 uint_t c, children; 1085 int ret; 1086 1087 if (strlen(name) + depth > max) 1088 max = strlen(name) + depth; 1089 1090 free(name); 1091 1092 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1093 &child, &children) == 0) { 1094 for (c = 0; c < children; c++) 1095 if ((ret = max_width(zhp, child[c], depth + 2, 1096 max)) > max) 1097 max = ret; 1098 } 1099 1100 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1101 &child, &children) == 0) { 1102 for (c = 0; c < children; c++) 1103 if ((ret = max_width(zhp, child[c], depth + 2, 1104 max)) > max) 1105 max = ret; 1106 } 1107 1108 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1109 &child, &children) == 0) { 1110 for (c = 0; c < children; c++) 1111 if ((ret = max_width(zhp, child[c], depth + 2, 1112 max)) > max) 1113 max = ret; 1114 } 1115 1116 1117 return (max); 1118 } 1119 1120 typedef struct spare_cbdata { 1121 uint64_t cb_guid; 1122 zpool_handle_t *cb_zhp; 1123 } spare_cbdata_t; 1124 1125 static boolean_t 1126 find_vdev(nvlist_t *nv, uint64_t search) 1127 { 1128 uint64_t guid; 1129 nvlist_t **child; 1130 uint_t c, children; 1131 1132 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1133 search == guid) 1134 return (B_TRUE); 1135 1136 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1137 &child, &children) == 0) { 1138 for (c = 0; c < children; c++) 1139 if (find_vdev(child[c], search)) 1140 return (B_TRUE); 1141 } 1142 1143 return (B_FALSE); 1144 } 1145 1146 static int 1147 find_spare(zpool_handle_t *zhp, void *data) 1148 { 1149 spare_cbdata_t *cbp = data; 1150 nvlist_t *config, *nvroot; 1151 1152 config = zpool_get_config(zhp, NULL); 1153 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1154 &nvroot) == 0); 1155 1156 if (find_vdev(nvroot, cbp->cb_guid)) { 1157 cbp->cb_zhp = zhp; 1158 return (1); 1159 } 1160 1161 zpool_close(zhp); 1162 return (0); 1163 } 1164 1165 /* 1166 * Print out configuration state as requested by status_callback. 1167 */ 1168 void 1169 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1170 int namewidth, int depth, boolean_t isspare) 1171 { 1172 nvlist_t **child; 1173 uint_t c, children; 1174 pool_scan_stat_t *ps = NULL; 1175 vdev_stat_t *vs; 1176 char rbuf[6], wbuf[6], cbuf[6]; 1177 char *vname; 1178 uint64_t notpresent; 1179 spare_cbdata_t cb; 1180 char *state; 1181 1182 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1183 &child, &children) != 0) 1184 children = 0; 1185 1186 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1187 (uint64_t **)&vs, &c) == 0); 1188 1189 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1190 if (isspare) { 1191 /* 1192 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1193 * online drives. 1194 */ 1195 if (vs->vs_aux == VDEV_AUX_SPARED) 1196 state = "INUSE"; 1197 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1198 state = "AVAIL"; 1199 } 1200 1201 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1202 name, state); 1203 1204 if (!isspare) { 1205 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1206 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1207 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1208 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1209 } 1210 1211 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1212 ¬present) == 0) { 1213 char *path; 1214 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1215 (void) printf(" was %s", path); 1216 } else if (vs->vs_aux != 0) { 1217 (void) printf(" "); 1218 1219 switch (vs->vs_aux) { 1220 case VDEV_AUX_OPEN_FAILED: 1221 (void) printf(gettext("cannot open")); 1222 break; 1223 1224 case VDEV_AUX_BAD_GUID_SUM: 1225 (void) printf(gettext("missing device")); 1226 break; 1227 1228 case VDEV_AUX_NO_REPLICAS: 1229 (void) printf(gettext("insufficient replicas")); 1230 break; 1231 1232 case VDEV_AUX_VERSION_NEWER: 1233 (void) printf(gettext("newer version")); 1234 break; 1235 1236 case VDEV_AUX_UNSUP_FEAT: 1237 (void) printf(gettext("unsupported feature(s)")); 1238 break; 1239 1240 case VDEV_AUX_SPARED: 1241 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1242 &cb.cb_guid) == 0); 1243 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1244 if (strcmp(zpool_get_name(cb.cb_zhp), 1245 zpool_get_name(zhp)) == 0) 1246 (void) printf(gettext("currently in " 1247 "use")); 1248 else 1249 (void) printf(gettext("in use by " 1250 "pool '%s'"), 1251 zpool_get_name(cb.cb_zhp)); 1252 zpool_close(cb.cb_zhp); 1253 } else { 1254 (void) printf(gettext("currently in use")); 1255 } 1256 break; 1257 1258 case VDEV_AUX_ERR_EXCEEDED: 1259 (void) printf(gettext("too many errors")); 1260 break; 1261 1262 case VDEV_AUX_IO_FAILURE: 1263 (void) printf(gettext("experienced I/O failures")); 1264 break; 1265 1266 case VDEV_AUX_BAD_LOG: 1267 (void) printf(gettext("bad intent log")); 1268 break; 1269 1270 case VDEV_AUX_EXTERNAL: 1271 (void) printf(gettext("external device fault")); 1272 break; 1273 1274 case VDEV_AUX_SPLIT_POOL: 1275 (void) printf(gettext("split into new pool")); 1276 break; 1277 1278 default: 1279 (void) printf(gettext("corrupted data")); 1280 break; 1281 } 1282 } 1283 1284 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1285 (uint64_t **)&ps, &c); 1286 1287 if (ps && ps->pss_state == DSS_SCANNING && 1288 vs->vs_scan_processed != 0 && children == 0) { 1289 (void) printf(gettext(" (%s)"), 1290 (ps->pss_func == POOL_SCAN_RESILVER) ? 1291 "resilvering" : "repairing"); 1292 } 1293 1294 (void) printf("\n"); 1295 1296 for (c = 0; c < children; c++) { 1297 uint64_t islog = B_FALSE, ishole = B_FALSE; 1298 1299 /* Don't print logs or holes here */ 1300 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1301 &islog); 1302 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1303 &ishole); 1304 if (islog || ishole) 1305 continue; 1306 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1307 print_status_config(zhp, vname, child[c], 1308 namewidth, depth + 2, isspare); 1309 free(vname); 1310 } 1311 } 1312 1313 1314 /* 1315 * Print the configuration of an exported pool. Iterate over all vdevs in the 1316 * pool, printing out the name and status for each one. 1317 */ 1318 void 1319 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1320 { 1321 nvlist_t **child; 1322 uint_t c, children; 1323 vdev_stat_t *vs; 1324 char *type, *vname; 1325 1326 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1327 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1328 strcmp(type, VDEV_TYPE_HOLE) == 0) 1329 return; 1330 1331 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1332 (uint64_t **)&vs, &c) == 0); 1333 1334 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1335 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1336 1337 if (vs->vs_aux != 0) { 1338 (void) printf(" "); 1339 1340 switch (vs->vs_aux) { 1341 case VDEV_AUX_OPEN_FAILED: 1342 (void) printf(gettext("cannot open")); 1343 break; 1344 1345 case VDEV_AUX_BAD_GUID_SUM: 1346 (void) printf(gettext("missing device")); 1347 break; 1348 1349 case VDEV_AUX_NO_REPLICAS: 1350 (void) printf(gettext("insufficient replicas")); 1351 break; 1352 1353 case VDEV_AUX_VERSION_NEWER: 1354 (void) printf(gettext("newer version")); 1355 break; 1356 1357 case VDEV_AUX_UNSUP_FEAT: 1358 (void) printf(gettext("unsupported feature(s)")); 1359 break; 1360 1361 case VDEV_AUX_ERR_EXCEEDED: 1362 (void) printf(gettext("too many errors")); 1363 break; 1364 1365 default: 1366 (void) printf(gettext("corrupted data")); 1367 break; 1368 } 1369 } 1370 (void) printf("\n"); 1371 1372 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1373 &child, &children) != 0) 1374 return; 1375 1376 for (c = 0; c < children; c++) { 1377 uint64_t is_log = B_FALSE; 1378 1379 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1380 &is_log); 1381 if (is_log) 1382 continue; 1383 1384 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1385 print_import_config(vname, child[c], namewidth, depth + 2); 1386 free(vname); 1387 } 1388 1389 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1390 &child, &children) == 0) { 1391 (void) printf(gettext("\tcache\n")); 1392 for (c = 0; c < children; c++) { 1393 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1394 (void) printf("\t %s\n", vname); 1395 free(vname); 1396 } 1397 } 1398 1399 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1400 &child, &children) == 0) { 1401 (void) printf(gettext("\tspares\n")); 1402 for (c = 0; c < children; c++) { 1403 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1404 (void) printf("\t %s\n", vname); 1405 free(vname); 1406 } 1407 } 1408 } 1409 1410 /* 1411 * Print log vdevs. 1412 * Logs are recorded as top level vdevs in the main pool child array 1413 * but with "is_log" set to 1. We use either print_status_config() or 1414 * print_import_config() to print the top level logs then any log 1415 * children (eg mirrored slogs) are printed recursively - which 1416 * works because only the top level vdev is marked "is_log" 1417 */ 1418 static void 1419 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1420 { 1421 uint_t c, children; 1422 nvlist_t **child; 1423 1424 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1425 &children) != 0) 1426 return; 1427 1428 (void) printf(gettext("\tlogs\n")); 1429 1430 for (c = 0; c < children; c++) { 1431 uint64_t is_log = B_FALSE; 1432 char *name; 1433 1434 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1435 &is_log); 1436 if (!is_log) 1437 continue; 1438 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1439 if (verbose) 1440 print_status_config(zhp, name, child[c], namewidth, 1441 2, B_FALSE); 1442 else 1443 print_import_config(name, child[c], namewidth, 2); 1444 free(name); 1445 } 1446 } 1447 1448 /* 1449 * Display the status for the given pool. 1450 */ 1451 static void 1452 show_import(nvlist_t *config) 1453 { 1454 uint64_t pool_state; 1455 vdev_stat_t *vs; 1456 char *name; 1457 uint64_t guid; 1458 char *msgid; 1459 nvlist_t *nvroot; 1460 int reason; 1461 const char *health; 1462 uint_t vsc; 1463 int namewidth; 1464 char *comment; 1465 1466 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1467 &name) == 0); 1468 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1469 &guid) == 0); 1470 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1471 &pool_state) == 0); 1472 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1473 &nvroot) == 0); 1474 1475 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1476 (uint64_t **)&vs, &vsc) == 0); 1477 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1478 1479 reason = zpool_import_status(config, &msgid); 1480 1481 (void) printf(gettext(" pool: %s\n"), name); 1482 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1483 (void) printf(gettext(" state: %s"), health); 1484 if (pool_state == POOL_STATE_DESTROYED) 1485 (void) printf(gettext(" (DESTROYED)")); 1486 (void) printf("\n"); 1487 1488 switch (reason) { 1489 case ZPOOL_STATUS_MISSING_DEV_R: 1490 case ZPOOL_STATUS_MISSING_DEV_NR: 1491 case ZPOOL_STATUS_BAD_GUID_SUM: 1492 (void) printf(gettext(" status: One or more devices are " 1493 "missing from the system.\n")); 1494 break; 1495 1496 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1497 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1498 (void) printf(gettext(" status: One or more devices contains " 1499 "corrupted data.\n")); 1500 break; 1501 1502 case ZPOOL_STATUS_CORRUPT_DATA: 1503 (void) printf( 1504 gettext(" status: The pool data is corrupted.\n")); 1505 break; 1506 1507 case ZPOOL_STATUS_OFFLINE_DEV: 1508 (void) printf(gettext(" status: One or more devices " 1509 "are offlined.\n")); 1510 break; 1511 1512 case ZPOOL_STATUS_CORRUPT_POOL: 1513 (void) printf(gettext(" status: The pool metadata is " 1514 "corrupted.\n")); 1515 break; 1516 1517 case ZPOOL_STATUS_VERSION_OLDER: 1518 (void) printf(gettext(" status: The pool is formatted using a " 1519 "legacy on-disk version.\n")); 1520 break; 1521 1522 case ZPOOL_STATUS_VERSION_NEWER: 1523 (void) printf(gettext(" status: The pool is formatted using an " 1524 "incompatible version.\n")); 1525 break; 1526 1527 case ZPOOL_STATUS_FEAT_DISABLED: 1528 (void) printf(gettext(" status: Some supported features are " 1529 "not enabled on the pool.\n")); 1530 break; 1531 1532 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1533 (void) printf(gettext("status: The pool uses the following " 1534 "feature(s) not supported on this sytem:\n")); 1535 zpool_print_unsup_feat(config); 1536 break; 1537 1538 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1539 (void) printf(gettext("status: The pool can only be accessed " 1540 "in read-only mode on this system. It\n\tcannot be " 1541 "accessed in read-write mode because it uses the " 1542 "following\n\tfeature(s) not supported on this system:\n")); 1543 zpool_print_unsup_feat(config); 1544 break; 1545 1546 case ZPOOL_STATUS_HOSTID_MISMATCH: 1547 (void) printf(gettext(" status: The pool was last accessed by " 1548 "another system.\n")); 1549 break; 1550 1551 case ZPOOL_STATUS_FAULTED_DEV_R: 1552 case ZPOOL_STATUS_FAULTED_DEV_NR: 1553 (void) printf(gettext(" status: One or more devices are " 1554 "faulted.\n")); 1555 break; 1556 1557 case ZPOOL_STATUS_BAD_LOG: 1558 (void) printf(gettext(" status: An intent log record cannot be " 1559 "read.\n")); 1560 break; 1561 1562 case ZPOOL_STATUS_RESILVERING: 1563 (void) printf(gettext(" status: One or more devices were being " 1564 "resilvered.\n")); 1565 break; 1566 1567 default: 1568 /* 1569 * No other status can be seen when importing pools. 1570 */ 1571 assert(reason == ZPOOL_STATUS_OK); 1572 } 1573 1574 /* 1575 * Print out an action according to the overall state of the pool. 1576 */ 1577 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1578 if (reason == ZPOOL_STATUS_VERSION_OLDER || 1579 reason == ZPOOL_STATUS_FEAT_DISABLED) { 1580 (void) printf(gettext(" action: The pool can be " 1581 "imported using its name or numeric identifier, " 1582 "though\n\tsome features will not be available " 1583 "without an explicit 'zpool upgrade'.\n")); 1584 } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) { 1585 (void) printf(gettext(" action: The pool can be " 1586 "imported using its name or numeric " 1587 "identifier and\n\tthe '-f' flag.\n")); 1588 } else { 1589 (void) printf(gettext(" action: The pool can be " 1590 "imported using its name or numeric " 1591 "identifier.\n")); 1592 } 1593 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1594 (void) printf(gettext(" action: The pool can be imported " 1595 "despite missing or damaged devices. The\n\tfault " 1596 "tolerance of the pool may be compromised if imported.\n")); 1597 } else { 1598 switch (reason) { 1599 case ZPOOL_STATUS_VERSION_NEWER: 1600 (void) printf(gettext(" action: The pool cannot be " 1601 "imported. Access the pool on a system running " 1602 "newer\n\tsoftware, or recreate the pool from " 1603 "backup.\n")); 1604 break; 1605 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1606 (void) printf(gettext("action: The pool cannot be " 1607 "imported. Access the pool on a system that " 1608 "supports\n\tthe required feature(s), or recreate " 1609 "the pool from backup.\n")); 1610 break; 1611 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1612 (void) printf(gettext("action: The pool cannot be " 1613 "imported in read-write mode. Import the pool " 1614 "with\n" 1615 "\t\"-o readonly=on\", access the pool on a system " 1616 "that supports the\n\trequired feature(s), or " 1617 "recreate the pool from backup.\n")); 1618 break; 1619 case ZPOOL_STATUS_MISSING_DEV_R: 1620 case ZPOOL_STATUS_MISSING_DEV_NR: 1621 case ZPOOL_STATUS_BAD_GUID_SUM: 1622 (void) printf(gettext(" action: The pool cannot be " 1623 "imported. Attach the missing\n\tdevices and try " 1624 "again.\n")); 1625 break; 1626 default: 1627 (void) printf(gettext(" action: The pool cannot be " 1628 "imported due to damaged devices or data.\n")); 1629 } 1630 } 1631 1632 /* Print the comment attached to the pool. */ 1633 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0) 1634 (void) printf(gettext("comment: %s\n"), comment); 1635 1636 /* 1637 * If the state is "closed" or "can't open", and the aux state 1638 * is "corrupt data": 1639 */ 1640 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1641 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1642 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1643 if (pool_state == POOL_STATE_DESTROYED) 1644 (void) printf(gettext("\tThe pool was destroyed, " 1645 "but can be imported using the '-Df' flags.\n")); 1646 else if (pool_state != POOL_STATE_EXPORTED) 1647 (void) printf(gettext("\tThe pool may be active on " 1648 "another system, but can be imported using\n\t" 1649 "the '-f' flag.\n")); 1650 } 1651 1652 if (msgid != NULL) 1653 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 1654 msgid); 1655 1656 (void) printf(gettext(" config:\n\n")); 1657 1658 namewidth = max_width(NULL, nvroot, 0, 0); 1659 if (namewidth < 10) 1660 namewidth = 10; 1661 1662 print_import_config(name, nvroot, namewidth, 0); 1663 if (num_logs(nvroot) > 0) 1664 print_logs(NULL, nvroot, namewidth, B_FALSE); 1665 1666 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1667 (void) printf(gettext("\n\tAdditional devices are known to " 1668 "be part of this pool, though their\n\texact " 1669 "configuration cannot be determined.\n")); 1670 } 1671 } 1672 1673 /* 1674 * Perform the import for the given configuration. This passes the heavy 1675 * lifting off to zpool_import_props(), and then mounts the datasets contained 1676 * within the pool. 1677 */ 1678 static int 1679 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1680 nvlist_t *props, int flags) 1681 { 1682 zpool_handle_t *zhp; 1683 char *name; 1684 uint64_t state; 1685 uint64_t version; 1686 1687 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1688 &name) == 0); 1689 1690 verify(nvlist_lookup_uint64(config, 1691 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1692 verify(nvlist_lookup_uint64(config, 1693 ZPOOL_CONFIG_VERSION, &version) == 0); 1694 if (!SPA_VERSION_IS_SUPPORTED(version)) { 1695 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1696 "is formatted using an unsupported ZFS version\n"), name); 1697 return (1); 1698 } else if (state != POOL_STATE_EXPORTED && 1699 !(flags & ZFS_IMPORT_ANY_HOST)) { 1700 uint64_t hostid; 1701 1702 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1703 &hostid) == 0) { 1704 if ((unsigned long)hostid != gethostid()) { 1705 char *hostname; 1706 uint64_t timestamp; 1707 time_t t; 1708 1709 verify(nvlist_lookup_string(config, 1710 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1711 verify(nvlist_lookup_uint64(config, 1712 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1713 t = timestamp; 1714 (void) fprintf(stderr, gettext("cannot import " 1715 "'%s': pool may be in use from other " 1716 "system, it was last accessed by %s " 1717 "(hostid: 0x%lx) on %s"), name, hostname, 1718 (unsigned long)hostid, 1719 asctime(localtime(&t))); 1720 (void) fprintf(stderr, gettext("use '-f' to " 1721 "import anyway\n")); 1722 return (1); 1723 } 1724 } else { 1725 (void) fprintf(stderr, gettext("cannot import '%s': " 1726 "pool may be in use from other system\n"), name); 1727 (void) fprintf(stderr, gettext("use '-f' to import " 1728 "anyway\n")); 1729 return (1); 1730 } 1731 } 1732 1733 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1734 return (1); 1735 1736 if (newname != NULL) 1737 name = (char *)newname; 1738 1739 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1740 return (1); 1741 1742 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1743 !(flags & ZFS_IMPORT_ONLY) && 1744 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1745 zpool_close(zhp); 1746 return (1); 1747 } 1748 1749 zpool_close(zhp); 1750 return (0); 1751 } 1752 1753 /* 1754 * zpool import [-d dir] [-D] 1755 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1756 * [-d dir | -c cachefile] [-f] -a 1757 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1758 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1759 * 1760 * -c Read pool information from a cachefile instead of searching 1761 * devices. 1762 * 1763 * -d Scan in a specific directory, other than /dev/dsk. More than 1764 * one directory can be specified using multiple '-d' options. 1765 * 1766 * -D Scan for previously destroyed pools or import all or only 1767 * specified destroyed pools. 1768 * 1769 * -R Temporarily import the pool, with all mountpoints relative to 1770 * the given root. The pool will remain exported when the machine 1771 * is rebooted. 1772 * 1773 * -V Import even in the presence of faulted vdevs. This is an 1774 * intentionally undocumented option for testing purposes, and 1775 * treats the pool configuration as complete, leaving any bad 1776 * vdevs in the FAULTED state. In other words, it does verbatim 1777 * import. 1778 * 1779 * -f Force import, even if it appears that the pool is active. 1780 * 1781 * -F Attempt rewind if necessary. 1782 * 1783 * -n See if rewind would work, but don't actually rewind. 1784 * 1785 * -N Import the pool but don't mount datasets. 1786 * 1787 * -T Specify a starting txg to use for import. This option is 1788 * intentionally undocumented option for testing purposes. 1789 * 1790 * -a Import all pools found. 1791 * 1792 * -o Set property=value and/or temporary mount options (without '='). 1793 * 1794 * The import command scans for pools to import, and import pools based on pool 1795 * name and GUID. The pool can also be renamed as part of the import process. 1796 */ 1797 int 1798 zpool_do_import(int argc, char **argv) 1799 { 1800 char **searchdirs = NULL; 1801 int nsearch = 0; 1802 int c; 1803 int err = 0; 1804 nvlist_t *pools = NULL; 1805 boolean_t do_all = B_FALSE; 1806 boolean_t do_destroyed = B_FALSE; 1807 char *mntopts = NULL; 1808 nvpair_t *elem; 1809 nvlist_t *config; 1810 uint64_t searchguid = 0; 1811 char *searchname = NULL; 1812 char *propval; 1813 nvlist_t *found_config; 1814 nvlist_t *policy = NULL; 1815 nvlist_t *props = NULL; 1816 boolean_t first; 1817 int flags = ZFS_IMPORT_NORMAL; 1818 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1819 boolean_t dryrun = B_FALSE; 1820 boolean_t do_rewind = B_FALSE; 1821 boolean_t xtreme_rewind = B_FALSE; 1822 uint64_t pool_state, txg = -1ULL; 1823 char *cachefile = NULL; 1824 importargs_t idata = { 0 }; 1825 char *endptr; 1826 1827 /* check options */ 1828 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) { 1829 switch (c) { 1830 case 'a': 1831 do_all = B_TRUE; 1832 break; 1833 case 'c': 1834 cachefile = optarg; 1835 break; 1836 case 'd': 1837 if (searchdirs == NULL) { 1838 searchdirs = safe_malloc(sizeof (char *)); 1839 } else { 1840 char **tmp = safe_malloc((nsearch + 1) * 1841 sizeof (char *)); 1842 bcopy(searchdirs, tmp, nsearch * 1843 sizeof (char *)); 1844 free(searchdirs); 1845 searchdirs = tmp; 1846 } 1847 searchdirs[nsearch++] = optarg; 1848 break; 1849 case 'D': 1850 do_destroyed = B_TRUE; 1851 break; 1852 case 'f': 1853 flags |= ZFS_IMPORT_ANY_HOST; 1854 break; 1855 case 'F': 1856 do_rewind = B_TRUE; 1857 break; 1858 case 'm': 1859 flags |= ZFS_IMPORT_MISSING_LOG; 1860 break; 1861 case 'n': 1862 dryrun = B_TRUE; 1863 break; 1864 case 'N': 1865 flags |= ZFS_IMPORT_ONLY; 1866 break; 1867 case 'o': 1868 if ((propval = strchr(optarg, '=')) != NULL) { 1869 *propval = '\0'; 1870 propval++; 1871 if (add_prop_list(optarg, propval, 1872 &props, B_TRUE)) 1873 goto error; 1874 } else { 1875 mntopts = optarg; 1876 } 1877 break; 1878 case 'R': 1879 if (add_prop_list(zpool_prop_to_name( 1880 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1881 goto error; 1882 if (nvlist_lookup_string(props, 1883 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1884 &propval) == 0) 1885 break; 1886 if (add_prop_list(zpool_prop_to_name( 1887 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1888 goto error; 1889 break; 1890 case 'T': 1891 errno = 0; 1892 txg = strtoull(optarg, &endptr, 0); 1893 if (errno != 0 || *endptr != '\0') { 1894 (void) fprintf(stderr, 1895 gettext("invalid txg value\n")); 1896 usage(B_FALSE); 1897 } 1898 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 1899 break; 1900 case 'V': 1901 flags |= ZFS_IMPORT_VERBATIM; 1902 break; 1903 case 'X': 1904 xtreme_rewind = B_TRUE; 1905 break; 1906 case ':': 1907 (void) fprintf(stderr, gettext("missing argument for " 1908 "'%c' option\n"), optopt); 1909 usage(B_FALSE); 1910 break; 1911 case '?': 1912 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1913 optopt); 1914 usage(B_FALSE); 1915 } 1916 } 1917 1918 argc -= optind; 1919 argv += optind; 1920 1921 if (cachefile && nsearch != 0) { 1922 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1923 usage(B_FALSE); 1924 } 1925 1926 if ((dryrun || xtreme_rewind) && !do_rewind) { 1927 (void) fprintf(stderr, 1928 gettext("-n or -X only meaningful with -F\n")); 1929 usage(B_FALSE); 1930 } 1931 if (dryrun) 1932 rewind_policy = ZPOOL_TRY_REWIND; 1933 else if (do_rewind) 1934 rewind_policy = ZPOOL_DO_REWIND; 1935 if (xtreme_rewind) 1936 rewind_policy |= ZPOOL_EXTREME_REWIND; 1937 1938 /* In the future, we can capture further policy and include it here */ 1939 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1940 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 1941 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1942 goto error; 1943 1944 if (searchdirs == NULL) { 1945 searchdirs = safe_malloc(sizeof (char *)); 1946 searchdirs[0] = "/dev/dsk"; 1947 nsearch = 1; 1948 } 1949 1950 /* check argument count */ 1951 if (do_all) { 1952 if (argc != 0) { 1953 (void) fprintf(stderr, gettext("too many arguments\n")); 1954 usage(B_FALSE); 1955 } 1956 } else { 1957 if (argc > 2) { 1958 (void) fprintf(stderr, gettext("too many arguments\n")); 1959 usage(B_FALSE); 1960 } 1961 1962 /* 1963 * Check for the SYS_CONFIG privilege. We do this explicitly 1964 * here because otherwise any attempt to discover pools will 1965 * silently fail. 1966 */ 1967 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1968 (void) fprintf(stderr, gettext("cannot " 1969 "discover pools: permission denied\n")); 1970 free(searchdirs); 1971 nvlist_free(policy); 1972 return (1); 1973 } 1974 } 1975 1976 /* 1977 * Depending on the arguments given, we do one of the following: 1978 * 1979 * <none> Iterate through all pools and display information about 1980 * each one. 1981 * 1982 * -a Iterate through all pools and try to import each one. 1983 * 1984 * <id> Find the pool that corresponds to the given GUID/pool 1985 * name and import that one. 1986 * 1987 * -D Above options applies only to destroyed pools. 1988 */ 1989 if (argc != 0) { 1990 char *endptr; 1991 1992 errno = 0; 1993 searchguid = strtoull(argv[0], &endptr, 10); 1994 if (errno != 0 || *endptr != '\0') { 1995 searchname = argv[0]; 1996 searchguid = 0; 1997 } 1998 found_config = NULL; 1999 2000 /* 2001 * User specified a name or guid. Ensure it's unique. 2002 */ 2003 idata.unique = B_TRUE; 2004 } 2005 2006 2007 idata.path = searchdirs; 2008 idata.paths = nsearch; 2009 idata.poolname = searchname; 2010 idata.guid = searchguid; 2011 idata.cachefile = cachefile; 2012 2013 pools = zpool_search_import(g_zfs, &idata); 2014 2015 if (pools != NULL && idata.exists && 2016 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 2017 (void) fprintf(stderr, gettext("cannot import '%s': " 2018 "a pool with that name already exists\n"), 2019 argv[0]); 2020 (void) fprintf(stderr, gettext("use the form '%s " 2021 "<pool | id> <newpool>' to give it a new name\n"), 2022 "zpool import"); 2023 err = 1; 2024 } else if (pools == NULL && idata.exists) { 2025 (void) fprintf(stderr, gettext("cannot import '%s': " 2026 "a pool with that name is already created/imported,\n"), 2027 argv[0]); 2028 (void) fprintf(stderr, gettext("and no additional pools " 2029 "with that name were found\n")); 2030 err = 1; 2031 } else if (pools == NULL) { 2032 if (argc != 0) { 2033 (void) fprintf(stderr, gettext("cannot import '%s': " 2034 "no such pool available\n"), argv[0]); 2035 } 2036 err = 1; 2037 } 2038 2039 if (err == 1) { 2040 free(searchdirs); 2041 nvlist_free(policy); 2042 return (1); 2043 } 2044 2045 /* 2046 * At this point we have a list of import candidate configs. Even if 2047 * we were searching by pool name or guid, we still need to 2048 * post-process the list to deal with pool state and possible 2049 * duplicate names. 2050 */ 2051 err = 0; 2052 elem = NULL; 2053 first = B_TRUE; 2054 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2055 2056 verify(nvpair_value_nvlist(elem, &config) == 0); 2057 2058 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 2059 &pool_state) == 0); 2060 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 2061 continue; 2062 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 2063 continue; 2064 2065 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 2066 policy) == 0); 2067 2068 if (argc == 0) { 2069 if (first) 2070 first = B_FALSE; 2071 else if (!do_all) 2072 (void) printf("\n"); 2073 2074 if (do_all) { 2075 err |= do_import(config, NULL, mntopts, 2076 props, flags); 2077 } else { 2078 show_import(config); 2079 } 2080 } else if (searchname != NULL) { 2081 char *name; 2082 2083 /* 2084 * We are searching for a pool based on name. 2085 */ 2086 verify(nvlist_lookup_string(config, 2087 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 2088 2089 if (strcmp(name, searchname) == 0) { 2090 if (found_config != NULL) { 2091 (void) fprintf(stderr, gettext( 2092 "cannot import '%s': more than " 2093 "one matching pool\n"), searchname); 2094 (void) fprintf(stderr, gettext( 2095 "import by numeric ID instead\n")); 2096 err = B_TRUE; 2097 } 2098 found_config = config; 2099 } 2100 } else { 2101 uint64_t guid; 2102 2103 /* 2104 * Search for a pool by guid. 2105 */ 2106 verify(nvlist_lookup_uint64(config, 2107 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 2108 2109 if (guid == searchguid) 2110 found_config = config; 2111 } 2112 } 2113 2114 /* 2115 * If we were searching for a specific pool, verify that we found a 2116 * pool, and then do the import. 2117 */ 2118 if (argc != 0 && err == 0) { 2119 if (found_config == NULL) { 2120 (void) fprintf(stderr, gettext("cannot import '%s': " 2121 "no such pool available\n"), argv[0]); 2122 err = B_TRUE; 2123 } else { 2124 err |= do_import(found_config, argc == 1 ? NULL : 2125 argv[1], mntopts, props, flags); 2126 } 2127 } 2128 2129 /* 2130 * If we were just looking for pools, report an error if none were 2131 * found. 2132 */ 2133 if (argc == 0 && first) 2134 (void) fprintf(stderr, 2135 gettext("no pools available to import\n")); 2136 2137 error: 2138 nvlist_free(props); 2139 nvlist_free(pools); 2140 nvlist_free(policy); 2141 free(searchdirs); 2142 2143 return (err ? 1 : 0); 2144 } 2145 2146 typedef struct iostat_cbdata { 2147 boolean_t cb_verbose; 2148 int cb_namewidth; 2149 int cb_iteration; 2150 zpool_list_t *cb_list; 2151 } iostat_cbdata_t; 2152 2153 static void 2154 print_iostat_separator(iostat_cbdata_t *cb) 2155 { 2156 int i = 0; 2157 2158 for (i = 0; i < cb->cb_namewidth; i++) 2159 (void) printf("-"); 2160 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 2161 } 2162 2163 static void 2164 print_iostat_header(iostat_cbdata_t *cb) 2165 { 2166 (void) printf("%*s capacity operations bandwidth\n", 2167 cb->cb_namewidth, ""); 2168 (void) printf("%-*s alloc free read write read write\n", 2169 cb->cb_namewidth, "pool"); 2170 print_iostat_separator(cb); 2171 } 2172 2173 /* 2174 * Display a single statistic. 2175 */ 2176 static void 2177 print_one_stat(uint64_t value) 2178 { 2179 char buf[64]; 2180 2181 zfs_nicenum(value, buf, sizeof (buf)); 2182 (void) printf(" %5s", buf); 2183 } 2184 2185 /* 2186 * Print out all the statistics for the given vdev. This can either be the 2187 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2188 * is a verbose output, and we don't want to display the toplevel pool stats. 2189 */ 2190 void 2191 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2192 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2193 { 2194 nvlist_t **oldchild, **newchild; 2195 uint_t c, children; 2196 vdev_stat_t *oldvs, *newvs; 2197 vdev_stat_t zerovs = { 0 }; 2198 uint64_t tdelta; 2199 double scale; 2200 char *vname; 2201 2202 if (oldnv != NULL) { 2203 verify(nvlist_lookup_uint64_array(oldnv, 2204 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2205 } else { 2206 oldvs = &zerovs; 2207 } 2208 2209 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2210 (uint64_t **)&newvs, &c) == 0); 2211 2212 if (strlen(name) + depth > cb->cb_namewidth) 2213 (void) printf("%*s%s", depth, "", name); 2214 else 2215 (void) printf("%*s%s%*s", depth, "", name, 2216 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2217 2218 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2219 2220 if (tdelta == 0) 2221 scale = 1.0; 2222 else 2223 scale = (double)NANOSEC / tdelta; 2224 2225 /* only toplevel vdevs have capacity stats */ 2226 if (newvs->vs_space == 0) { 2227 (void) printf(" - -"); 2228 } else { 2229 print_one_stat(newvs->vs_alloc); 2230 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2231 } 2232 2233 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2234 oldvs->vs_ops[ZIO_TYPE_READ]))); 2235 2236 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2237 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2238 2239 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2240 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2241 2242 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2243 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2244 2245 (void) printf("\n"); 2246 2247 if (!cb->cb_verbose) 2248 return; 2249 2250 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2251 &newchild, &children) != 0) 2252 return; 2253 2254 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2255 &oldchild, &c) != 0) 2256 return; 2257 2258 for (c = 0; c < children; c++) { 2259 uint64_t ishole = B_FALSE, islog = B_FALSE; 2260 2261 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE, 2262 &ishole); 2263 2264 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG, 2265 &islog); 2266 2267 if (ishole || islog) 2268 continue; 2269 2270 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2271 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2272 newchild[c], cb, depth + 2); 2273 free(vname); 2274 } 2275 2276 /* 2277 * Log device section 2278 */ 2279 2280 if (num_logs(newnv) > 0) { 2281 (void) printf("%-*s - - - - - " 2282 "-\n", cb->cb_namewidth, "logs"); 2283 2284 for (c = 0; c < children; c++) { 2285 uint64_t islog = B_FALSE; 2286 (void) nvlist_lookup_uint64(newchild[c], 2287 ZPOOL_CONFIG_IS_LOG, &islog); 2288 2289 if (islog) { 2290 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2291 B_FALSE); 2292 print_vdev_stats(zhp, vname, oldnv ? 2293 oldchild[c] : NULL, newchild[c], 2294 cb, depth + 2); 2295 free(vname); 2296 } 2297 } 2298 2299 } 2300 2301 /* 2302 * Include level 2 ARC devices in iostat output 2303 */ 2304 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2305 &newchild, &children) != 0) 2306 return; 2307 2308 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2309 &oldchild, &c) != 0) 2310 return; 2311 2312 if (children > 0) { 2313 (void) printf("%-*s - - - - - " 2314 "-\n", cb->cb_namewidth, "cache"); 2315 for (c = 0; c < children; c++) { 2316 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2317 B_FALSE); 2318 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2319 newchild[c], cb, depth + 2); 2320 free(vname); 2321 } 2322 } 2323 } 2324 2325 static int 2326 refresh_iostat(zpool_handle_t *zhp, void *data) 2327 { 2328 iostat_cbdata_t *cb = data; 2329 boolean_t missing; 2330 2331 /* 2332 * If the pool has disappeared, remove it from the list and continue. 2333 */ 2334 if (zpool_refresh_stats(zhp, &missing) != 0) 2335 return (-1); 2336 2337 if (missing) 2338 pool_list_remove(cb->cb_list, zhp); 2339 2340 return (0); 2341 } 2342 2343 /* 2344 * Callback to print out the iostats for the given pool. 2345 */ 2346 int 2347 print_iostat(zpool_handle_t *zhp, void *data) 2348 { 2349 iostat_cbdata_t *cb = data; 2350 nvlist_t *oldconfig, *newconfig; 2351 nvlist_t *oldnvroot, *newnvroot; 2352 2353 newconfig = zpool_get_config(zhp, &oldconfig); 2354 2355 if (cb->cb_iteration == 1) 2356 oldconfig = NULL; 2357 2358 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2359 &newnvroot) == 0); 2360 2361 if (oldconfig == NULL) 2362 oldnvroot = NULL; 2363 else 2364 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2365 &oldnvroot) == 0); 2366 2367 /* 2368 * Print out the statistics for the pool. 2369 */ 2370 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2371 2372 if (cb->cb_verbose) 2373 print_iostat_separator(cb); 2374 2375 return (0); 2376 } 2377 2378 int 2379 get_namewidth(zpool_handle_t *zhp, void *data) 2380 { 2381 iostat_cbdata_t *cb = data; 2382 nvlist_t *config, *nvroot; 2383 2384 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2385 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2386 &nvroot) == 0); 2387 if (!cb->cb_verbose) 2388 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2389 else 2390 cb->cb_namewidth = max_width(zhp, nvroot, 0, 2391 cb->cb_namewidth); 2392 } 2393 2394 /* 2395 * The width must fall into the range [10,38]. The upper limit is the 2396 * maximum we can have and still fit in 80 columns. 2397 */ 2398 if (cb->cb_namewidth < 10) 2399 cb->cb_namewidth = 10; 2400 if (cb->cb_namewidth > 38) 2401 cb->cb_namewidth = 38; 2402 2403 return (0); 2404 } 2405 2406 /* 2407 * Parse the input string, get the 'interval' and 'count' value if there is one. 2408 */ 2409 static void 2410 get_interval_count(int *argcp, char **argv, unsigned long *iv, 2411 unsigned long *cnt) 2412 { 2413 unsigned long interval = 0, count = 0; 2414 int argc = *argcp, errno; 2415 2416 /* 2417 * Determine if the last argument is an integer or a pool name 2418 */ 2419 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2420 char *end; 2421 2422 errno = 0; 2423 interval = strtoul(argv[argc - 1], &end, 10); 2424 2425 if (*end == '\0' && errno == 0) { 2426 if (interval == 0) { 2427 (void) fprintf(stderr, gettext("interval " 2428 "cannot be zero\n")); 2429 usage(B_FALSE); 2430 } 2431 /* 2432 * Ignore the last parameter 2433 */ 2434 argc--; 2435 } else { 2436 /* 2437 * If this is not a valid number, just plow on. The 2438 * user will get a more informative error message later 2439 * on. 2440 */ 2441 interval = 0; 2442 } 2443 } 2444 2445 /* 2446 * If the last argument is also an integer, then we have both a count 2447 * and an interval. 2448 */ 2449 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2450 char *end; 2451 2452 errno = 0; 2453 count = interval; 2454 interval = strtoul(argv[argc - 1], &end, 10); 2455 2456 if (*end == '\0' && errno == 0) { 2457 if (interval == 0) { 2458 (void) fprintf(stderr, gettext("interval " 2459 "cannot be zero\n")); 2460 usage(B_FALSE); 2461 } 2462 2463 /* 2464 * Ignore the last parameter 2465 */ 2466 argc--; 2467 } else { 2468 interval = 0; 2469 } 2470 } 2471 2472 *iv = interval; 2473 *cnt = count; 2474 *argcp = argc; 2475 } 2476 2477 static void 2478 get_timestamp_arg(char c) 2479 { 2480 if (c == 'u') 2481 timestamp_fmt = UDATE; 2482 else if (c == 'd') 2483 timestamp_fmt = DDATE; 2484 else 2485 usage(B_FALSE); 2486 } 2487 2488 /* 2489 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2490 * 2491 * -v Display statistics for individual vdevs 2492 * -T Display a timestamp in date(1) or Unix format 2493 * 2494 * This command can be tricky because we want to be able to deal with pool 2495 * creation/destruction as well as vdev configuration changes. The bulk of this 2496 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2497 * on pool_list_update() to detect the addition of new pools. Configuration 2498 * changes are all handled within libzfs. 2499 */ 2500 int 2501 zpool_do_iostat(int argc, char **argv) 2502 { 2503 int c; 2504 int ret; 2505 int npools; 2506 unsigned long interval = 0, count = 0; 2507 zpool_list_t *list; 2508 boolean_t verbose = B_FALSE; 2509 iostat_cbdata_t cb; 2510 2511 /* check options */ 2512 while ((c = getopt(argc, argv, "T:v")) != -1) { 2513 switch (c) { 2514 case 'T': 2515 get_timestamp_arg(*optarg); 2516 break; 2517 case 'v': 2518 verbose = B_TRUE; 2519 break; 2520 case '?': 2521 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2522 optopt); 2523 usage(B_FALSE); 2524 } 2525 } 2526 2527 argc -= optind; 2528 argv += optind; 2529 2530 get_interval_count(&argc, argv, &interval, &count); 2531 2532 /* 2533 * Construct the list of all interesting pools. 2534 */ 2535 ret = 0; 2536 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2537 return (1); 2538 2539 if (pool_list_count(list) == 0 && argc != 0) { 2540 pool_list_free(list); 2541 return (1); 2542 } 2543 2544 if (pool_list_count(list) == 0 && interval == 0) { 2545 pool_list_free(list); 2546 (void) fprintf(stderr, gettext("no pools available\n")); 2547 return (1); 2548 } 2549 2550 /* 2551 * Enter the main iostat loop. 2552 */ 2553 cb.cb_list = list; 2554 cb.cb_verbose = verbose; 2555 cb.cb_iteration = 0; 2556 cb.cb_namewidth = 0; 2557 2558 for (;;) { 2559 pool_list_update(list); 2560 2561 if ((npools = pool_list_count(list)) == 0) 2562 break; 2563 2564 /* 2565 * Refresh all statistics. This is done as an explicit step 2566 * before calculating the maximum name width, so that any 2567 * configuration changes are properly accounted for. 2568 */ 2569 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2570 2571 /* 2572 * Iterate over all pools to determine the maximum width 2573 * for the pool / device name column across all pools. 2574 */ 2575 cb.cb_namewidth = 0; 2576 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2577 2578 if (timestamp_fmt != NODATE) 2579 print_timestamp(timestamp_fmt); 2580 2581 /* 2582 * If it's the first time, or verbose mode, print the header. 2583 */ 2584 if (++cb.cb_iteration == 1 || verbose) 2585 print_iostat_header(&cb); 2586 2587 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2588 2589 /* 2590 * If there's more than one pool, and we're not in verbose mode 2591 * (which prints a separator for us), then print a separator. 2592 */ 2593 if (npools > 1 && !verbose) 2594 print_iostat_separator(&cb); 2595 2596 if (verbose) 2597 (void) printf("\n"); 2598 2599 /* 2600 * Flush the output so that redirection to a file isn't buffered 2601 * indefinitely. 2602 */ 2603 (void) fflush(stdout); 2604 2605 if (interval == 0) 2606 break; 2607 2608 if (count != 0 && --count == 0) 2609 break; 2610 2611 (void) sleep(interval); 2612 } 2613 2614 pool_list_free(list); 2615 2616 return (ret); 2617 } 2618 2619 typedef struct list_cbdata { 2620 boolean_t cb_verbose; 2621 int cb_namewidth; 2622 boolean_t cb_scripted; 2623 zprop_list_t *cb_proplist; 2624 boolean_t cb_literal; 2625 } list_cbdata_t; 2626 2627 /* 2628 * Given a list of columns to display, output appropriate headers for each one. 2629 */ 2630 static void 2631 print_header(list_cbdata_t *cb) 2632 { 2633 zprop_list_t *pl = cb->cb_proplist; 2634 char headerbuf[ZPOOL_MAXPROPLEN]; 2635 const char *header; 2636 boolean_t first = B_TRUE; 2637 boolean_t right_justify; 2638 size_t width = 0; 2639 2640 for (; pl != NULL; pl = pl->pl_next) { 2641 width = pl->pl_width; 2642 if (first && cb->cb_verbose) { 2643 /* 2644 * Reset the width to accommodate the verbose listing 2645 * of devices. 2646 */ 2647 width = cb->cb_namewidth; 2648 } 2649 2650 if (!first) 2651 (void) printf(" "); 2652 else 2653 first = B_FALSE; 2654 2655 right_justify = B_FALSE; 2656 if (pl->pl_prop != ZPROP_INVAL) { 2657 header = zpool_prop_column_name(pl->pl_prop); 2658 right_justify = zpool_prop_align_right(pl->pl_prop); 2659 } else { 2660 int i; 2661 2662 for (i = 0; pl->pl_user_prop[i] != '\0'; i++) 2663 headerbuf[i] = toupper(pl->pl_user_prop[i]); 2664 headerbuf[i] = '\0'; 2665 header = headerbuf; 2666 } 2667 2668 if (pl->pl_next == NULL && !right_justify) 2669 (void) printf("%s", header); 2670 else if (right_justify) 2671 (void) printf("%*s", width, header); 2672 else 2673 (void) printf("%-*s", width, header); 2674 2675 } 2676 2677 (void) printf("\n"); 2678 } 2679 2680 /* 2681 * Given a pool and a list of properties, print out all the properties according 2682 * to the described layout. 2683 */ 2684 static void 2685 print_pool(zpool_handle_t *zhp, list_cbdata_t *cb) 2686 { 2687 zprop_list_t *pl = cb->cb_proplist; 2688 boolean_t first = B_TRUE; 2689 char property[ZPOOL_MAXPROPLEN]; 2690 char *propstr; 2691 boolean_t right_justify; 2692 size_t width; 2693 2694 for (; pl != NULL; pl = pl->pl_next) { 2695 2696 width = pl->pl_width; 2697 if (first && cb->cb_verbose) { 2698 /* 2699 * Reset the width to accommodate the verbose listing 2700 * of devices. 2701 */ 2702 width = cb->cb_namewidth; 2703 } 2704 2705 if (!first) { 2706 if (cb->cb_scripted) 2707 (void) printf("\t"); 2708 else 2709 (void) printf(" "); 2710 } else { 2711 first = B_FALSE; 2712 } 2713 2714 right_justify = B_FALSE; 2715 if (pl->pl_prop != ZPROP_INVAL) { 2716 if (zpool_get_prop(zhp, pl->pl_prop, property, 2717 sizeof (property), NULL, cb->cb_literal) != 0) 2718 propstr = "-"; 2719 else 2720 propstr = property; 2721 2722 right_justify = zpool_prop_align_right(pl->pl_prop); 2723 } else if ((zpool_prop_feature(pl->pl_user_prop) || 2724 zpool_prop_unsupported(pl->pl_user_prop)) && 2725 zpool_prop_get_feature(zhp, pl->pl_user_prop, property, 2726 sizeof (property)) == 0) { 2727 propstr = property; 2728 } else { 2729 propstr = "-"; 2730 } 2731 2732 2733 /* 2734 * If this is being called in scripted mode, or if this is the 2735 * last column and it is left-justified, don't include a width 2736 * format specifier. 2737 */ 2738 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify)) 2739 (void) printf("%s", propstr); 2740 else if (right_justify) 2741 (void) printf("%*s", width, propstr); 2742 else 2743 (void) printf("%-*s", width, propstr); 2744 } 2745 2746 (void) printf("\n"); 2747 } 2748 2749 static void 2750 print_one_column(zpool_prop_t prop, uint64_t value, boolean_t scripted, 2751 boolean_t valid) 2752 { 2753 char propval[64]; 2754 boolean_t fixed; 2755 size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL); 2756 2757 switch (prop) { 2758 case ZPOOL_PROP_EXPANDSZ: 2759 if (value == 0) 2760 (void) strlcpy(propval, "-", sizeof (propval)); 2761 else 2762 zfs_nicenum(value, propval, sizeof (propval)); 2763 break; 2764 case ZPOOL_PROP_FRAGMENTATION: 2765 if (value == ZFS_FRAG_INVALID) { 2766 (void) strlcpy(propval, "-", sizeof (propval)); 2767 } else { 2768 (void) snprintf(propval, sizeof (propval), "%llu%%", 2769 value); 2770 } 2771 break; 2772 case ZPOOL_PROP_CAPACITY: 2773 (void) snprintf(propval, sizeof (propval), "%llu%%", value); 2774 break; 2775 default: 2776 zfs_nicenum(value, propval, sizeof (propval)); 2777 } 2778 2779 if (!valid) 2780 (void) strlcpy(propval, "-", sizeof (propval)); 2781 2782 if (scripted) 2783 (void) printf("\t%s", propval); 2784 else 2785 (void) printf(" %*s", width, propval); 2786 } 2787 2788 void 2789 print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 2790 list_cbdata_t *cb, int depth) 2791 { 2792 nvlist_t **child; 2793 vdev_stat_t *vs; 2794 uint_t c, children; 2795 char *vname; 2796 boolean_t scripted = cb->cb_scripted; 2797 uint64_t islog = B_FALSE; 2798 boolean_t haslog = B_FALSE; 2799 char *dashes = "%-*s - - - - - -\n"; 2800 2801 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 2802 (uint64_t **)&vs, &c) == 0); 2803 2804 if (name != NULL) { 2805 boolean_t toplevel = (vs->vs_space != 0); 2806 uint64_t cap; 2807 2808 if (scripted) 2809 (void) printf("\t%s", name); 2810 else if (strlen(name) + depth > cb->cb_namewidth) 2811 (void) printf("%*s%s", depth, "", name); 2812 else 2813 (void) printf("%*s%s%*s", depth, "", name, 2814 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2815 2816 /* 2817 * Print the properties for the individual vdevs. Some 2818 * properties are only applicable to toplevel vdevs. The 2819 * 'toplevel' boolean value is passed to the print_one_column() 2820 * to indicate that the value is valid. 2821 */ 2822 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, scripted, 2823 toplevel); 2824 print_one_column(ZPOOL_PROP_ALLOCATED, vs->vs_alloc, scripted, 2825 toplevel); 2826 print_one_column(ZPOOL_PROP_FREE, vs->vs_space - vs->vs_alloc, 2827 scripted, toplevel); 2828 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, scripted, 2829 B_TRUE); 2830 print_one_column(ZPOOL_PROP_FRAGMENTATION, 2831 vs->vs_fragmentation, scripted, 2832 (vs->vs_fragmentation != ZFS_FRAG_INVALID && toplevel)); 2833 cap = (vs->vs_space == 0) ? 0 : 2834 (vs->vs_alloc * 100 / vs->vs_space); 2835 print_one_column(ZPOOL_PROP_CAPACITY, cap, scripted, toplevel); 2836 (void) printf("\n"); 2837 } 2838 2839 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2840 &child, &children) != 0) 2841 return; 2842 2843 for (c = 0; c < children; c++) { 2844 uint64_t ishole = B_FALSE; 2845 2846 if (nvlist_lookup_uint64(child[c], 2847 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2848 continue; 2849 2850 if (nvlist_lookup_uint64(child[c], 2851 ZPOOL_CONFIG_IS_LOG, &islog) == 0 && islog) { 2852 haslog = B_TRUE; 2853 continue; 2854 } 2855 2856 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 2857 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2858 free(vname); 2859 } 2860 2861 if (haslog == B_TRUE) { 2862 /* LINTED E_SEC_PRINTF_VAR_FMT */ 2863 (void) printf(dashes, cb->cb_namewidth, "log"); 2864 for (c = 0; c < children; c++) { 2865 if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 2866 &islog) != 0 || !islog) 2867 continue; 2868 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 2869 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2870 free(vname); 2871 } 2872 } 2873 2874 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 2875 &child, &children) == 0 && children > 0) { 2876 /* LINTED E_SEC_PRINTF_VAR_FMT */ 2877 (void) printf(dashes, cb->cb_namewidth, "cache"); 2878 for (c = 0; c < children; c++) { 2879 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 2880 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2881 free(vname); 2882 } 2883 } 2884 2885 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, &child, 2886 &children) == 0 && children > 0) { 2887 /* LINTED E_SEC_PRINTF_VAR_FMT */ 2888 (void) printf(dashes, cb->cb_namewidth, "spare"); 2889 for (c = 0; c < children; c++) { 2890 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 2891 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2892 free(vname); 2893 } 2894 } 2895 } 2896 2897 2898 /* 2899 * Generic callback function to list a pool. 2900 */ 2901 int 2902 list_callback(zpool_handle_t *zhp, void *data) 2903 { 2904 list_cbdata_t *cbp = data; 2905 nvlist_t *config; 2906 nvlist_t *nvroot; 2907 2908 config = zpool_get_config(zhp, NULL); 2909 2910 print_pool(zhp, cbp); 2911 if (!cbp->cb_verbose) 2912 return (0); 2913 2914 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2915 &nvroot) == 0); 2916 print_list_stats(zhp, NULL, nvroot, cbp, 0); 2917 2918 return (0); 2919 } 2920 2921 /* 2922 * zpool list [-Hp] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2923 * 2924 * -H Scripted mode. Don't display headers, and separate properties 2925 * by a single tab. 2926 * -o List of properties to display. Defaults to 2927 * "name,size,allocated,free,expandsize,fragmentation,capacity," 2928 * "dedupratio,health,altroot" 2929 * -p Diplay values in parsable (exact) format. 2930 * -T Display a timestamp in date(1) or Unix format 2931 * 2932 * List all pools in the system, whether or not they're healthy. Output space 2933 * statistics for each one, as well as health status summary. 2934 */ 2935 int 2936 zpool_do_list(int argc, char **argv) 2937 { 2938 int c; 2939 int ret; 2940 list_cbdata_t cb = { 0 }; 2941 static char default_props[] = 2942 "name,size,allocated,free,expandsize,fragmentation,capacity," 2943 "dedupratio,health,altroot"; 2944 char *props = default_props; 2945 unsigned long interval = 0, count = 0; 2946 zpool_list_t *list; 2947 boolean_t first = B_TRUE; 2948 2949 /* check options */ 2950 while ((c = getopt(argc, argv, ":Ho:pT:v")) != -1) { 2951 switch (c) { 2952 case 'H': 2953 cb.cb_scripted = B_TRUE; 2954 break; 2955 case 'o': 2956 props = optarg; 2957 break; 2958 case 'p': 2959 cb.cb_literal = B_TRUE; 2960 break; 2961 case 'T': 2962 get_timestamp_arg(*optarg); 2963 break; 2964 case 'v': 2965 cb.cb_verbose = B_TRUE; 2966 break; 2967 case ':': 2968 (void) fprintf(stderr, gettext("missing argument for " 2969 "'%c' option\n"), optopt); 2970 usage(B_FALSE); 2971 break; 2972 case '?': 2973 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2974 optopt); 2975 usage(B_FALSE); 2976 } 2977 } 2978 2979 argc -= optind; 2980 argv += optind; 2981 2982 get_interval_count(&argc, argv, &interval, &count); 2983 2984 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2985 usage(B_FALSE); 2986 2987 for (;;) { 2988 if ((list = pool_list_get(argc, argv, &cb.cb_proplist, 2989 &ret)) == NULL) 2990 return (1); 2991 2992 if (pool_list_count(list) == 0) 2993 break; 2994 2995 cb.cb_namewidth = 0; 2996 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2997 2998 if (timestamp_fmt != NODATE) 2999 print_timestamp(timestamp_fmt); 3000 3001 if (!cb.cb_scripted && (first || cb.cb_verbose)) { 3002 print_header(&cb); 3003 first = B_FALSE; 3004 } 3005 ret = pool_list_iter(list, B_TRUE, list_callback, &cb); 3006 3007 if (interval == 0) 3008 break; 3009 3010 if (count != 0 && --count == 0) 3011 break; 3012 3013 pool_list_free(list); 3014 (void) sleep(interval); 3015 } 3016 3017 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) { 3018 (void) printf(gettext("no pools available\n")); 3019 ret = 0; 3020 } 3021 3022 pool_list_free(list); 3023 zprop_free_list(cb.cb_proplist); 3024 return (ret); 3025 } 3026 3027 static nvlist_t * 3028 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 3029 { 3030 nvlist_t **child; 3031 uint_t c, children; 3032 nvlist_t *match; 3033 char *path; 3034 3035 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 3036 &child, &children) != 0) { 3037 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 3038 if (strncmp(name, "/dev/dsk/", 9) == 0) 3039 name += 9; 3040 if (strncmp(path, "/dev/dsk/", 9) == 0) 3041 path += 9; 3042 if (strcmp(name, path) == 0) 3043 return (nv); 3044 return (NULL); 3045 } 3046 3047 for (c = 0; c < children; c++) 3048 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 3049 return (match); 3050 3051 return (NULL); 3052 } 3053 3054 static int 3055 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 3056 { 3057 boolean_t force = B_FALSE; 3058 int c; 3059 nvlist_t *nvroot; 3060 char *poolname, *old_disk, *new_disk; 3061 zpool_handle_t *zhp; 3062 int ret; 3063 3064 /* check options */ 3065 while ((c = getopt(argc, argv, "f")) != -1) { 3066 switch (c) { 3067 case 'f': 3068 force = B_TRUE; 3069 break; 3070 case '?': 3071 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3072 optopt); 3073 usage(B_FALSE); 3074 } 3075 } 3076 3077 argc -= optind; 3078 argv += optind; 3079 3080 /* get pool name and check number of arguments */ 3081 if (argc < 1) { 3082 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3083 usage(B_FALSE); 3084 } 3085 3086 poolname = argv[0]; 3087 3088 if (argc < 2) { 3089 (void) fprintf(stderr, 3090 gettext("missing <device> specification\n")); 3091 usage(B_FALSE); 3092 } 3093 3094 old_disk = argv[1]; 3095 3096 if (argc < 3) { 3097 if (!replacing) { 3098 (void) fprintf(stderr, 3099 gettext("missing <new_device> specification\n")); 3100 usage(B_FALSE); 3101 } 3102 new_disk = old_disk; 3103 argc -= 1; 3104 argv += 1; 3105 } else { 3106 new_disk = argv[2]; 3107 argc -= 2; 3108 argv += 2; 3109 } 3110 3111 if (argc > 1) { 3112 (void) fprintf(stderr, gettext("too many arguments\n")); 3113 usage(B_FALSE); 3114 } 3115 3116 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3117 return (1); 3118 3119 if (zpool_get_config(zhp, NULL) == NULL) { 3120 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 3121 poolname); 3122 zpool_close(zhp); 3123 return (1); 3124 } 3125 3126 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 3127 argc, argv); 3128 if (nvroot == NULL) { 3129 zpool_close(zhp); 3130 return (1); 3131 } 3132 3133 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 3134 3135 nvlist_free(nvroot); 3136 zpool_close(zhp); 3137 3138 return (ret); 3139 } 3140 3141 /* 3142 * zpool replace [-f] <pool> <device> <new_device> 3143 * 3144 * -f Force attach, even if <new_device> appears to be in use. 3145 * 3146 * Replace <device> with <new_device>. 3147 */ 3148 /* ARGSUSED */ 3149 int 3150 zpool_do_replace(int argc, char **argv) 3151 { 3152 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 3153 } 3154 3155 /* 3156 * zpool attach [-f] <pool> <device> <new_device> 3157 * 3158 * -f Force attach, even if <new_device> appears to be in use. 3159 * 3160 * Attach <new_device> to the mirror containing <device>. If <device> is not 3161 * part of a mirror, then <device> will be transformed into a mirror of 3162 * <device> and <new_device>. In either case, <new_device> will begin life 3163 * with a DTL of [0, now], and will immediately begin to resilver itself. 3164 */ 3165 int 3166 zpool_do_attach(int argc, char **argv) 3167 { 3168 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 3169 } 3170 3171 /* 3172 * zpool detach [-f] <pool> <device> 3173 * 3174 * -f Force detach of <device>, even if DTLs argue against it 3175 * (not supported yet) 3176 * 3177 * Detach a device from a mirror. The operation will be refused if <device> 3178 * is the last device in the mirror, or if the DTLs indicate that this device 3179 * has the only valid copy of some data. 3180 */ 3181 /* ARGSUSED */ 3182 int 3183 zpool_do_detach(int argc, char **argv) 3184 { 3185 int c; 3186 char *poolname, *path; 3187 zpool_handle_t *zhp; 3188 int ret; 3189 3190 /* check options */ 3191 while ((c = getopt(argc, argv, "f")) != -1) { 3192 switch (c) { 3193 case 'f': 3194 case '?': 3195 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3196 optopt); 3197 usage(B_FALSE); 3198 } 3199 } 3200 3201 argc -= optind; 3202 argv += optind; 3203 3204 /* get pool name and check number of arguments */ 3205 if (argc < 1) { 3206 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3207 usage(B_FALSE); 3208 } 3209 3210 if (argc < 2) { 3211 (void) fprintf(stderr, 3212 gettext("missing <device> specification\n")); 3213 usage(B_FALSE); 3214 } 3215 3216 poolname = argv[0]; 3217 path = argv[1]; 3218 3219 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3220 return (1); 3221 3222 ret = zpool_vdev_detach(zhp, path); 3223 3224 zpool_close(zhp); 3225 3226 return (ret); 3227 } 3228 3229 /* 3230 * zpool split [-n] [-o prop=val] ... 3231 * [-o mntopt] ... 3232 * [-R altroot] <pool> <newpool> [<device> ...] 3233 * 3234 * -n Do not split the pool, but display the resulting layout if 3235 * it were to be split. 3236 * -o Set property=value, or set mount options. 3237 * -R Mount the split-off pool under an alternate root. 3238 * 3239 * Splits the named pool and gives it the new pool name. Devices to be split 3240 * off may be listed, provided that no more than one device is specified 3241 * per top-level vdev mirror. The newly split pool is left in an exported 3242 * state unless -R is specified. 3243 * 3244 * Restrictions: the top-level of the pool pool must only be made up of 3245 * mirrors; all devices in the pool must be healthy; no device may be 3246 * undergoing a resilvering operation. 3247 */ 3248 int 3249 zpool_do_split(int argc, char **argv) 3250 { 3251 char *srcpool, *newpool, *propval; 3252 char *mntopts = NULL; 3253 splitflags_t flags; 3254 int c, ret = 0; 3255 zpool_handle_t *zhp; 3256 nvlist_t *config, *props = NULL; 3257 3258 flags.dryrun = B_FALSE; 3259 flags.import = B_FALSE; 3260 3261 /* check options */ 3262 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 3263 switch (c) { 3264 case 'R': 3265 flags.import = B_TRUE; 3266 if (add_prop_list( 3267 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 3268 &props, B_TRUE) != 0) { 3269 if (props) 3270 nvlist_free(props); 3271 usage(B_FALSE); 3272 } 3273 break; 3274 case 'n': 3275 flags.dryrun = B_TRUE; 3276 break; 3277 case 'o': 3278 if ((propval = strchr(optarg, '=')) != NULL) { 3279 *propval = '\0'; 3280 propval++; 3281 if (add_prop_list(optarg, propval, 3282 &props, B_TRUE) != 0) { 3283 if (props) 3284 nvlist_free(props); 3285 usage(B_FALSE); 3286 } 3287 } else { 3288 mntopts = optarg; 3289 } 3290 break; 3291 case ':': 3292 (void) fprintf(stderr, gettext("missing argument for " 3293 "'%c' option\n"), optopt); 3294 usage(B_FALSE); 3295 break; 3296 case '?': 3297 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3298 optopt); 3299 usage(B_FALSE); 3300 break; 3301 } 3302 } 3303 3304 if (!flags.import && mntopts != NULL) { 3305 (void) fprintf(stderr, gettext("setting mntopts is only " 3306 "valid when importing the pool\n")); 3307 usage(B_FALSE); 3308 } 3309 3310 argc -= optind; 3311 argv += optind; 3312 3313 if (argc < 1) { 3314 (void) fprintf(stderr, gettext("Missing pool name\n")); 3315 usage(B_FALSE); 3316 } 3317 if (argc < 2) { 3318 (void) fprintf(stderr, gettext("Missing new pool name\n")); 3319 usage(B_FALSE); 3320 } 3321 3322 srcpool = argv[0]; 3323 newpool = argv[1]; 3324 3325 argc -= 2; 3326 argv += 2; 3327 3328 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 3329 return (1); 3330 3331 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 3332 if (config == NULL) { 3333 ret = 1; 3334 } else { 3335 if (flags.dryrun) { 3336 (void) printf(gettext("would create '%s' with the " 3337 "following layout:\n\n"), newpool); 3338 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 3339 } 3340 nvlist_free(config); 3341 } 3342 3343 zpool_close(zhp); 3344 3345 if (ret != 0 || flags.dryrun || !flags.import) 3346 return (ret); 3347 3348 /* 3349 * The split was successful. Now we need to open the new 3350 * pool and import it. 3351 */ 3352 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 3353 return (1); 3354 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 3355 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 3356 ret = 1; 3357 (void) fprintf(stderr, gettext("Split was successful, but " 3358 "the datasets could not all be mounted\n")); 3359 (void) fprintf(stderr, gettext("Try doing '%s' with a " 3360 "different altroot\n"), "zpool import"); 3361 } 3362 zpool_close(zhp); 3363 3364 return (ret); 3365 } 3366 3367 3368 3369 /* 3370 * zpool online <pool> <device> ... 3371 */ 3372 int 3373 zpool_do_online(int argc, char **argv) 3374 { 3375 int c, i; 3376 char *poolname; 3377 zpool_handle_t *zhp; 3378 int ret = 0; 3379 vdev_state_t newstate; 3380 int flags = 0; 3381 3382 /* check options */ 3383 while ((c = getopt(argc, argv, "et")) != -1) { 3384 switch (c) { 3385 case 'e': 3386 flags |= ZFS_ONLINE_EXPAND; 3387 break; 3388 case 't': 3389 case '?': 3390 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3391 optopt); 3392 usage(B_FALSE); 3393 } 3394 } 3395 3396 argc -= optind; 3397 argv += optind; 3398 3399 /* get pool name and check number of arguments */ 3400 if (argc < 1) { 3401 (void) fprintf(stderr, gettext("missing pool name\n")); 3402 usage(B_FALSE); 3403 } 3404 if (argc < 2) { 3405 (void) fprintf(stderr, gettext("missing device name\n")); 3406 usage(B_FALSE); 3407 } 3408 3409 poolname = argv[0]; 3410 3411 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3412 return (1); 3413 3414 for (i = 1; i < argc; i++) { 3415 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3416 if (newstate != VDEV_STATE_HEALTHY) { 3417 (void) printf(gettext("warning: device '%s' " 3418 "onlined, but remains in faulted state\n"), 3419 argv[i]); 3420 if (newstate == VDEV_STATE_FAULTED) 3421 (void) printf(gettext("use 'zpool " 3422 "clear' to restore a faulted " 3423 "device\n")); 3424 else 3425 (void) printf(gettext("use 'zpool " 3426 "replace' to replace devices " 3427 "that are no longer present\n")); 3428 } 3429 } else { 3430 ret = 1; 3431 } 3432 } 3433 3434 zpool_close(zhp); 3435 3436 return (ret); 3437 } 3438 3439 /* 3440 * zpool offline [-ft] <pool> <device> ... 3441 * 3442 * -f Force the device into the offline state, even if doing 3443 * so would appear to compromise pool availability. 3444 * (not supported yet) 3445 * 3446 * -t Only take the device off-line temporarily. The offline 3447 * state will not be persistent across reboots. 3448 */ 3449 /* ARGSUSED */ 3450 int 3451 zpool_do_offline(int argc, char **argv) 3452 { 3453 int c, i; 3454 char *poolname; 3455 zpool_handle_t *zhp; 3456 int ret = 0; 3457 boolean_t istmp = B_FALSE; 3458 3459 /* check options */ 3460 while ((c = getopt(argc, argv, "ft")) != -1) { 3461 switch (c) { 3462 case 't': 3463 istmp = B_TRUE; 3464 break; 3465 case 'f': 3466 case '?': 3467 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3468 optopt); 3469 usage(B_FALSE); 3470 } 3471 } 3472 3473 argc -= optind; 3474 argv += optind; 3475 3476 /* get pool name and check number of arguments */ 3477 if (argc < 1) { 3478 (void) fprintf(stderr, gettext("missing pool name\n")); 3479 usage(B_FALSE); 3480 } 3481 if (argc < 2) { 3482 (void) fprintf(stderr, gettext("missing device name\n")); 3483 usage(B_FALSE); 3484 } 3485 3486 poolname = argv[0]; 3487 3488 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3489 return (1); 3490 3491 for (i = 1; i < argc; i++) { 3492 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3493 ret = 1; 3494 } 3495 3496 zpool_close(zhp); 3497 3498 return (ret); 3499 } 3500 3501 /* 3502 * zpool clear <pool> [device] 3503 * 3504 * Clear all errors associated with a pool or a particular device. 3505 */ 3506 int 3507 zpool_do_clear(int argc, char **argv) 3508 { 3509 int c; 3510 int ret = 0; 3511 boolean_t dryrun = B_FALSE; 3512 boolean_t do_rewind = B_FALSE; 3513 boolean_t xtreme_rewind = B_FALSE; 3514 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3515 nvlist_t *policy = NULL; 3516 zpool_handle_t *zhp; 3517 char *pool, *device; 3518 3519 /* check options */ 3520 while ((c = getopt(argc, argv, "FnX")) != -1) { 3521 switch (c) { 3522 case 'F': 3523 do_rewind = B_TRUE; 3524 break; 3525 case 'n': 3526 dryrun = B_TRUE; 3527 break; 3528 case 'X': 3529 xtreme_rewind = B_TRUE; 3530 break; 3531 case '?': 3532 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3533 optopt); 3534 usage(B_FALSE); 3535 } 3536 } 3537 3538 argc -= optind; 3539 argv += optind; 3540 3541 if (argc < 1) { 3542 (void) fprintf(stderr, gettext("missing pool name\n")); 3543 usage(B_FALSE); 3544 } 3545 3546 if (argc > 2) { 3547 (void) fprintf(stderr, gettext("too many arguments\n")); 3548 usage(B_FALSE); 3549 } 3550 3551 if ((dryrun || xtreme_rewind) && !do_rewind) { 3552 (void) fprintf(stderr, 3553 gettext("-n or -X only meaningful with -F\n")); 3554 usage(B_FALSE); 3555 } 3556 if (dryrun) 3557 rewind_policy = ZPOOL_TRY_REWIND; 3558 else if (do_rewind) 3559 rewind_policy = ZPOOL_DO_REWIND; 3560 if (xtreme_rewind) 3561 rewind_policy |= ZPOOL_EXTREME_REWIND; 3562 3563 /* In future, further rewind policy choices can be passed along here */ 3564 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3565 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3566 return (1); 3567 3568 pool = argv[0]; 3569 device = argc == 2 ? argv[1] : NULL; 3570 3571 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3572 nvlist_free(policy); 3573 return (1); 3574 } 3575 3576 if (zpool_clear(zhp, device, policy) != 0) 3577 ret = 1; 3578 3579 zpool_close(zhp); 3580 3581 nvlist_free(policy); 3582 3583 return (ret); 3584 } 3585 3586 /* 3587 * zpool reguid <pool> 3588 */ 3589 int 3590 zpool_do_reguid(int argc, char **argv) 3591 { 3592 int c; 3593 char *poolname; 3594 zpool_handle_t *zhp; 3595 int ret = 0; 3596 3597 /* check options */ 3598 while ((c = getopt(argc, argv, "")) != -1) { 3599 switch (c) { 3600 case '?': 3601 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3602 optopt); 3603 usage(B_FALSE); 3604 } 3605 } 3606 3607 argc -= optind; 3608 argv += optind; 3609 3610 /* get pool name and check number of arguments */ 3611 if (argc < 1) { 3612 (void) fprintf(stderr, gettext("missing pool name\n")); 3613 usage(B_FALSE); 3614 } 3615 3616 if (argc > 1) { 3617 (void) fprintf(stderr, gettext("too many arguments\n")); 3618 usage(B_FALSE); 3619 } 3620 3621 poolname = argv[0]; 3622 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3623 return (1); 3624 3625 ret = zpool_reguid(zhp); 3626 3627 zpool_close(zhp); 3628 return (ret); 3629 } 3630 3631 3632 /* 3633 * zpool reopen <pool> 3634 * 3635 * Reopen the pool so that the kernel can update the sizes of all vdevs. 3636 */ 3637 int 3638 zpool_do_reopen(int argc, char **argv) 3639 { 3640 int c; 3641 int ret = 0; 3642 zpool_handle_t *zhp; 3643 char *pool; 3644 3645 /* check options */ 3646 while ((c = getopt(argc, argv, "")) != -1) { 3647 switch (c) { 3648 case '?': 3649 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3650 optopt); 3651 usage(B_FALSE); 3652 } 3653 } 3654 3655 argc--; 3656 argv++; 3657 3658 if (argc < 1) { 3659 (void) fprintf(stderr, gettext("missing pool name\n")); 3660 usage(B_FALSE); 3661 } 3662 3663 if (argc > 1) { 3664 (void) fprintf(stderr, gettext("too many arguments\n")); 3665 usage(B_FALSE); 3666 } 3667 3668 pool = argv[0]; 3669 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) 3670 return (1); 3671 3672 ret = zpool_reopen(zhp); 3673 zpool_close(zhp); 3674 return (ret); 3675 } 3676 3677 typedef struct scrub_cbdata { 3678 int cb_type; 3679 int cb_argc; 3680 char **cb_argv; 3681 } scrub_cbdata_t; 3682 3683 int 3684 scrub_callback(zpool_handle_t *zhp, void *data) 3685 { 3686 scrub_cbdata_t *cb = data; 3687 int err; 3688 3689 /* 3690 * Ignore faulted pools. 3691 */ 3692 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3693 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3694 "currently unavailable\n"), zpool_get_name(zhp)); 3695 return (1); 3696 } 3697 3698 err = zpool_scan(zhp, cb->cb_type); 3699 3700 return (err != 0); 3701 } 3702 3703 /* 3704 * zpool scrub [-s] <pool> ... 3705 * 3706 * -s Stop. Stops any in-progress scrub. 3707 */ 3708 int 3709 zpool_do_scrub(int argc, char **argv) 3710 { 3711 int c; 3712 scrub_cbdata_t cb; 3713 3714 cb.cb_type = POOL_SCAN_SCRUB; 3715 3716 /* check options */ 3717 while ((c = getopt(argc, argv, "s")) != -1) { 3718 switch (c) { 3719 case 's': 3720 cb.cb_type = POOL_SCAN_NONE; 3721 break; 3722 case '?': 3723 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3724 optopt); 3725 usage(B_FALSE); 3726 } 3727 } 3728 3729 cb.cb_argc = argc; 3730 cb.cb_argv = argv; 3731 argc -= optind; 3732 argv += optind; 3733 3734 if (argc < 1) { 3735 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3736 usage(B_FALSE); 3737 } 3738 3739 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3740 } 3741 3742 typedef struct status_cbdata { 3743 int cb_count; 3744 boolean_t cb_allpools; 3745 boolean_t cb_verbose; 3746 boolean_t cb_explain; 3747 boolean_t cb_first; 3748 boolean_t cb_dedup_stats; 3749 } status_cbdata_t; 3750 3751 /* 3752 * Print out detailed scrub status. 3753 */ 3754 void 3755 print_scan_status(pool_scan_stat_t *ps) 3756 { 3757 time_t start, end; 3758 uint64_t elapsed, mins_left, hours_left; 3759 uint64_t pass_exam, examined, total; 3760 uint_t rate; 3761 double fraction_done; 3762 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3763 3764 (void) printf(gettext(" scan: ")); 3765 3766 /* If there's never been a scan, there's not much to say. */ 3767 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3768 ps->pss_func >= POOL_SCAN_FUNCS) { 3769 (void) printf(gettext("none requested\n")); 3770 return; 3771 } 3772 3773 start = ps->pss_start_time; 3774 end = ps->pss_end_time; 3775 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3776 3777 assert(ps->pss_func == POOL_SCAN_SCRUB || 3778 ps->pss_func == POOL_SCAN_RESILVER); 3779 /* 3780 * Scan is finished or canceled. 3781 */ 3782 if (ps->pss_state == DSS_FINISHED) { 3783 uint64_t minutes_taken = (end - start) / 60; 3784 char *fmt; 3785 3786 if (ps->pss_func == POOL_SCAN_SCRUB) { 3787 fmt = gettext("scrub repaired %s in %lluh%um with " 3788 "%llu errors on %s"); 3789 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3790 fmt = gettext("resilvered %s in %lluh%um with " 3791 "%llu errors on %s"); 3792 } 3793 /* LINTED */ 3794 (void) printf(fmt, processed_buf, 3795 (u_longlong_t)(minutes_taken / 60), 3796 (uint_t)(minutes_taken % 60), 3797 (u_longlong_t)ps->pss_errors, 3798 ctime((time_t *)&end)); 3799 return; 3800 } else if (ps->pss_state == DSS_CANCELED) { 3801 if (ps->pss_func == POOL_SCAN_SCRUB) { 3802 (void) printf(gettext("scrub canceled on %s"), 3803 ctime(&end)); 3804 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3805 (void) printf(gettext("resilver canceled on %s"), 3806 ctime(&end)); 3807 } 3808 return; 3809 } 3810 3811 assert(ps->pss_state == DSS_SCANNING); 3812 3813 /* 3814 * Scan is in progress. 3815 */ 3816 if (ps->pss_func == POOL_SCAN_SCRUB) { 3817 (void) printf(gettext("scrub in progress since %s"), 3818 ctime(&start)); 3819 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3820 (void) printf(gettext("resilver in progress since %s"), 3821 ctime(&start)); 3822 } 3823 3824 examined = ps->pss_examined ? ps->pss_examined : 1; 3825 total = ps->pss_to_examine; 3826 fraction_done = (double)examined / total; 3827 3828 /* elapsed time for this pass */ 3829 elapsed = time(NULL) - ps->pss_pass_start; 3830 elapsed = elapsed ? elapsed : 1; 3831 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3832 rate = pass_exam / elapsed; 3833 rate = rate ? rate : 1; 3834 mins_left = ((total - examined) / rate) / 60; 3835 hours_left = mins_left / 60; 3836 3837 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3838 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3839 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3840 3841 /* 3842 * do not print estimated time if hours_left is more than 30 days 3843 */ 3844 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3845 examined_buf, total_buf, rate_buf); 3846 if (hours_left < (30 * 24)) { 3847 (void) printf(gettext(", %lluh%um to go\n"), 3848 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3849 } else { 3850 (void) printf(gettext( 3851 ", (scan is slow, no estimated time)\n")); 3852 } 3853 3854 if (ps->pss_func == POOL_SCAN_RESILVER) { 3855 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3856 processed_buf, 100 * fraction_done); 3857 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3858 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3859 processed_buf, 100 * fraction_done); 3860 } 3861 } 3862 3863 static void 3864 print_error_log(zpool_handle_t *zhp) 3865 { 3866 nvlist_t *nverrlist = NULL; 3867 nvpair_t *elem; 3868 char *pathname; 3869 size_t len = MAXPATHLEN * 2; 3870 3871 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3872 (void) printf("errors: List of errors unavailable " 3873 "(insufficient privileges)\n"); 3874 return; 3875 } 3876 3877 (void) printf("errors: Permanent errors have been " 3878 "detected in the following files:\n\n"); 3879 3880 pathname = safe_malloc(len); 3881 elem = NULL; 3882 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3883 nvlist_t *nv; 3884 uint64_t dsobj, obj; 3885 3886 verify(nvpair_value_nvlist(elem, &nv) == 0); 3887 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3888 &dsobj) == 0); 3889 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3890 &obj) == 0); 3891 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3892 (void) printf("%7s %s\n", "", pathname); 3893 } 3894 free(pathname); 3895 nvlist_free(nverrlist); 3896 } 3897 3898 static void 3899 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3900 int namewidth) 3901 { 3902 uint_t i; 3903 char *name; 3904 3905 if (nspares == 0) 3906 return; 3907 3908 (void) printf(gettext("\tspares\n")); 3909 3910 for (i = 0; i < nspares; i++) { 3911 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3912 print_status_config(zhp, name, spares[i], 3913 namewidth, 2, B_TRUE); 3914 free(name); 3915 } 3916 } 3917 3918 static void 3919 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3920 int namewidth) 3921 { 3922 uint_t i; 3923 char *name; 3924 3925 if (nl2cache == 0) 3926 return; 3927 3928 (void) printf(gettext("\tcache\n")); 3929 3930 for (i = 0; i < nl2cache; i++) { 3931 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3932 print_status_config(zhp, name, l2cache[i], 3933 namewidth, 2, B_FALSE); 3934 free(name); 3935 } 3936 } 3937 3938 static void 3939 print_dedup_stats(nvlist_t *config) 3940 { 3941 ddt_histogram_t *ddh; 3942 ddt_stat_t *dds; 3943 ddt_object_t *ddo; 3944 uint_t c; 3945 3946 /* 3947 * If the pool was faulted then we may not have been able to 3948 * obtain the config. Otherwise, if we have anything in the dedup 3949 * table continue processing the stats. 3950 */ 3951 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3952 (uint64_t **)&ddo, &c) != 0) 3953 return; 3954 3955 (void) printf("\n"); 3956 (void) printf(gettext(" dedup: ")); 3957 if (ddo->ddo_count == 0) { 3958 (void) printf(gettext("no DDT entries\n")); 3959 return; 3960 } 3961 3962 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3963 (u_longlong_t)ddo->ddo_count, 3964 (u_longlong_t)ddo->ddo_dspace, 3965 (u_longlong_t)ddo->ddo_mspace); 3966 3967 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3968 (uint64_t **)&dds, &c) == 0); 3969 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3970 (uint64_t **)&ddh, &c) == 0); 3971 zpool_dump_ddt(dds, ddh); 3972 } 3973 3974 /* 3975 * Display a summary of pool status. Displays a summary such as: 3976 * 3977 * pool: tank 3978 * status: DEGRADED 3979 * reason: One or more devices ... 3980 * see: http://illumos.org/msg/ZFS-xxxx-01 3981 * config: 3982 * mirror DEGRADED 3983 * c1t0d0 OK 3984 * c2t0d0 UNAVAIL 3985 * 3986 * When given the '-v' option, we print out the complete config. If the '-e' 3987 * option is specified, then we print out error rate information as well. 3988 */ 3989 int 3990 status_callback(zpool_handle_t *zhp, void *data) 3991 { 3992 status_cbdata_t *cbp = data; 3993 nvlist_t *config, *nvroot; 3994 char *msgid; 3995 int reason; 3996 const char *health; 3997 uint_t c; 3998 vdev_stat_t *vs; 3999 4000 config = zpool_get_config(zhp, NULL); 4001 reason = zpool_get_status(zhp, &msgid); 4002 4003 cbp->cb_count++; 4004 4005 /* 4006 * If we were given 'zpool status -x', only report those pools with 4007 * problems. 4008 */ 4009 if (cbp->cb_explain && 4010 (reason == ZPOOL_STATUS_OK || 4011 reason == ZPOOL_STATUS_VERSION_OLDER || 4012 reason == ZPOOL_STATUS_FEAT_DISABLED)) { 4013 if (!cbp->cb_allpools) { 4014 (void) printf(gettext("pool '%s' is healthy\n"), 4015 zpool_get_name(zhp)); 4016 if (cbp->cb_first) 4017 cbp->cb_first = B_FALSE; 4018 } 4019 return (0); 4020 } 4021 4022 if (cbp->cb_first) 4023 cbp->cb_first = B_FALSE; 4024 else 4025 (void) printf("\n"); 4026 4027 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 4028 &nvroot) == 0); 4029 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 4030 (uint64_t **)&vs, &c) == 0); 4031 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 4032 4033 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 4034 (void) printf(gettext(" state: %s\n"), health); 4035 4036 switch (reason) { 4037 case ZPOOL_STATUS_MISSING_DEV_R: 4038 (void) printf(gettext("status: One or more devices could not " 4039 "be opened. Sufficient replicas exist for\n\tthe pool to " 4040 "continue functioning in a degraded state.\n")); 4041 (void) printf(gettext("action: Attach the missing device and " 4042 "online it using 'zpool online'.\n")); 4043 break; 4044 4045 case ZPOOL_STATUS_MISSING_DEV_NR: 4046 (void) printf(gettext("status: One or more devices could not " 4047 "be opened. There are insufficient\n\treplicas for the " 4048 "pool to continue functioning.\n")); 4049 (void) printf(gettext("action: Attach the missing device and " 4050 "online it using 'zpool online'.\n")); 4051 break; 4052 4053 case ZPOOL_STATUS_CORRUPT_LABEL_R: 4054 (void) printf(gettext("status: One or more devices could not " 4055 "be used because the label is missing or\n\tinvalid. " 4056 "Sufficient replicas exist for the pool to continue\n\t" 4057 "functioning in a degraded state.\n")); 4058 (void) printf(gettext("action: Replace the device using " 4059 "'zpool replace'.\n")); 4060 break; 4061 4062 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 4063 (void) printf(gettext("status: One or more devices could not " 4064 "be used because the label is missing \n\tor invalid. " 4065 "There are insufficient replicas for the pool to " 4066 "continue\n\tfunctioning.\n")); 4067 zpool_explain_recover(zpool_get_handle(zhp), 4068 zpool_get_name(zhp), reason, config); 4069 break; 4070 4071 case ZPOOL_STATUS_FAILING_DEV: 4072 (void) printf(gettext("status: One or more devices has " 4073 "experienced an unrecoverable error. An\n\tattempt was " 4074 "made to correct the error. Applications are " 4075 "unaffected.\n")); 4076 (void) printf(gettext("action: Determine if the device needs " 4077 "to be replaced, and clear the errors\n\tusing " 4078 "'zpool clear' or replace the device with 'zpool " 4079 "replace'.\n")); 4080 break; 4081 4082 case ZPOOL_STATUS_OFFLINE_DEV: 4083 (void) printf(gettext("status: One or more devices has " 4084 "been taken offline by the administrator.\n\tSufficient " 4085 "replicas exist for the pool to continue functioning in " 4086 "a\n\tdegraded state.\n")); 4087 (void) printf(gettext("action: Online the device using " 4088 "'zpool online' or replace the device with\n\t'zpool " 4089 "replace'.\n")); 4090 break; 4091 4092 case ZPOOL_STATUS_REMOVED_DEV: 4093 (void) printf(gettext("status: One or more devices has " 4094 "been removed by the administrator.\n\tSufficient " 4095 "replicas exist for the pool to continue functioning in " 4096 "a\n\tdegraded state.\n")); 4097 (void) printf(gettext("action: Online the device using " 4098 "'zpool online' or replace the device with\n\t'zpool " 4099 "replace'.\n")); 4100 break; 4101 4102 case ZPOOL_STATUS_RESILVERING: 4103 (void) printf(gettext("status: One or more devices is " 4104 "currently being resilvered. The pool will\n\tcontinue " 4105 "to function, possibly in a degraded state.\n")); 4106 (void) printf(gettext("action: Wait for the resilver to " 4107 "complete.\n")); 4108 break; 4109 4110 case ZPOOL_STATUS_CORRUPT_DATA: 4111 (void) printf(gettext("status: One or more devices has " 4112 "experienced an error resulting in data\n\tcorruption. " 4113 "Applications may be affected.\n")); 4114 (void) printf(gettext("action: Restore the file in question " 4115 "if possible. Otherwise restore the\n\tentire pool from " 4116 "backup.\n")); 4117 break; 4118 4119 case ZPOOL_STATUS_CORRUPT_POOL: 4120 (void) printf(gettext("status: The pool metadata is corrupted " 4121 "and the pool cannot be opened.\n")); 4122 zpool_explain_recover(zpool_get_handle(zhp), 4123 zpool_get_name(zhp), reason, config); 4124 break; 4125 4126 case ZPOOL_STATUS_VERSION_OLDER: 4127 (void) printf(gettext("status: The pool is formatted using a " 4128 "legacy on-disk format. The pool can\n\tstill be used, " 4129 "but some features are unavailable.\n")); 4130 (void) printf(gettext("action: Upgrade the pool using 'zpool " 4131 "upgrade'. Once this is done, the\n\tpool will no longer " 4132 "be accessible on software that does not support feature\n" 4133 "\tflags.\n")); 4134 break; 4135 4136 case ZPOOL_STATUS_VERSION_NEWER: 4137 (void) printf(gettext("status: The pool has been upgraded to a " 4138 "newer, incompatible on-disk version.\n\tThe pool cannot " 4139 "be accessed on this system.\n")); 4140 (void) printf(gettext("action: Access the pool from a system " 4141 "running more recent software, or\n\trestore the pool from " 4142 "backup.\n")); 4143 break; 4144 4145 case ZPOOL_STATUS_FEAT_DISABLED: 4146 (void) printf(gettext("status: Some supported features are not " 4147 "enabled on the pool. The pool can\n\tstill be used, but " 4148 "some features are unavailable.\n")); 4149 (void) printf(gettext("action: Enable all features using " 4150 "'zpool upgrade'. Once this is done,\n\tthe pool may no " 4151 "longer be accessible by software that does not support\n\t" 4152 "the features. See zpool-features(5) for details.\n")); 4153 break; 4154 4155 case ZPOOL_STATUS_UNSUP_FEAT_READ: 4156 (void) printf(gettext("status: The pool cannot be accessed on " 4157 "this system because it uses the\n\tfollowing feature(s) " 4158 "not supported on this system:\n")); 4159 zpool_print_unsup_feat(config); 4160 (void) printf("\n"); 4161 (void) printf(gettext("action: Access the pool from a system " 4162 "that supports the required feature(s),\n\tor restore the " 4163 "pool from backup.\n")); 4164 break; 4165 4166 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 4167 (void) printf(gettext("status: The pool can only be accessed " 4168 "in read-only mode on this system. It\n\tcannot be " 4169 "accessed in read-write mode because it uses the " 4170 "following\n\tfeature(s) not supported on this system:\n")); 4171 zpool_print_unsup_feat(config); 4172 (void) printf("\n"); 4173 (void) printf(gettext("action: The pool cannot be accessed in " 4174 "read-write mode. Import the pool with\n" 4175 "\t\"-o readonly=on\", access the pool from a system that " 4176 "supports the\n\trequired feature(s), or restore the " 4177 "pool from backup.\n")); 4178 break; 4179 4180 case ZPOOL_STATUS_FAULTED_DEV_R: 4181 (void) printf(gettext("status: One or more devices are " 4182 "faulted in response to persistent errors.\n\tSufficient " 4183 "replicas exist for the pool to continue functioning " 4184 "in a\n\tdegraded state.\n")); 4185 (void) printf(gettext("action: Replace the faulted device, " 4186 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 4187 break; 4188 4189 case ZPOOL_STATUS_FAULTED_DEV_NR: 4190 (void) printf(gettext("status: One or more devices are " 4191 "faulted in response to persistent errors. There are " 4192 "insufficient replicas for the pool to\n\tcontinue " 4193 "functioning.\n")); 4194 (void) printf(gettext("action: Destroy and re-create the pool " 4195 "from a backup source. Manually marking the device\n" 4196 "\trepaired using 'zpool clear' may allow some data " 4197 "to be recovered.\n")); 4198 break; 4199 4200 case ZPOOL_STATUS_IO_FAILURE_WAIT: 4201 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 4202 (void) printf(gettext("status: One or more devices are " 4203 "faulted in response to IO failures.\n")); 4204 (void) printf(gettext("action: Make sure the affected devices " 4205 "are connected, then run 'zpool clear'.\n")); 4206 break; 4207 4208 case ZPOOL_STATUS_BAD_LOG: 4209 (void) printf(gettext("status: An intent log record " 4210 "could not be read.\n" 4211 "\tWaiting for adminstrator intervention to fix the " 4212 "faulted pool.\n")); 4213 (void) printf(gettext("action: Either restore the affected " 4214 "device(s) and run 'zpool online',\n" 4215 "\tor ignore the intent log records by running " 4216 "'zpool clear'.\n")); 4217 break; 4218 4219 default: 4220 /* 4221 * The remaining errors can't actually be generated, yet. 4222 */ 4223 assert(reason == ZPOOL_STATUS_OK); 4224 } 4225 4226 if (msgid != NULL) 4227 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 4228 msgid); 4229 4230 if (config != NULL) { 4231 int namewidth; 4232 uint64_t nerr; 4233 nvlist_t **spares, **l2cache; 4234 uint_t nspares, nl2cache; 4235 pool_scan_stat_t *ps = NULL; 4236 4237 (void) nvlist_lookup_uint64_array(nvroot, 4238 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 4239 print_scan_status(ps); 4240 4241 namewidth = max_width(zhp, nvroot, 0, 0); 4242 if (namewidth < 10) 4243 namewidth = 10; 4244 4245 (void) printf(gettext("config:\n\n")); 4246 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 4247 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 4248 print_status_config(zhp, zpool_get_name(zhp), nvroot, 4249 namewidth, 0, B_FALSE); 4250 4251 if (num_logs(nvroot) > 0) 4252 print_logs(zhp, nvroot, namewidth, B_TRUE); 4253 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 4254 &l2cache, &nl2cache) == 0) 4255 print_l2cache(zhp, l2cache, nl2cache, namewidth); 4256 4257 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 4258 &spares, &nspares) == 0) 4259 print_spares(zhp, spares, nspares, namewidth); 4260 4261 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 4262 &nerr) == 0) { 4263 nvlist_t *nverrlist = NULL; 4264 4265 /* 4266 * If the approximate error count is small, get a 4267 * precise count by fetching the entire log and 4268 * uniquifying the results. 4269 */ 4270 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 4271 zpool_get_errlog(zhp, &nverrlist) == 0) { 4272 nvpair_t *elem; 4273 4274 elem = NULL; 4275 nerr = 0; 4276 while ((elem = nvlist_next_nvpair(nverrlist, 4277 elem)) != NULL) { 4278 nerr++; 4279 } 4280 } 4281 nvlist_free(nverrlist); 4282 4283 (void) printf("\n"); 4284 4285 if (nerr == 0) 4286 (void) printf(gettext("errors: No known data " 4287 "errors\n")); 4288 else if (!cbp->cb_verbose) 4289 (void) printf(gettext("errors: %llu data " 4290 "errors, use '-v' for a list\n"), 4291 (u_longlong_t)nerr); 4292 else 4293 print_error_log(zhp); 4294 } 4295 4296 if (cbp->cb_dedup_stats) 4297 print_dedup_stats(config); 4298 } else { 4299 (void) printf(gettext("config: The configuration cannot be " 4300 "determined.\n")); 4301 } 4302 4303 return (0); 4304 } 4305 4306 /* 4307 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 4308 * 4309 * -v Display complete error logs 4310 * -x Display only pools with potential problems 4311 * -D Display dedup status (undocumented) 4312 * -T Display a timestamp in date(1) or Unix format 4313 * 4314 * Describes the health status of all pools or some subset. 4315 */ 4316 int 4317 zpool_do_status(int argc, char **argv) 4318 { 4319 int c; 4320 int ret; 4321 unsigned long interval = 0, count = 0; 4322 status_cbdata_t cb = { 0 }; 4323 4324 /* check options */ 4325 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 4326 switch (c) { 4327 case 'v': 4328 cb.cb_verbose = B_TRUE; 4329 break; 4330 case 'x': 4331 cb.cb_explain = B_TRUE; 4332 break; 4333 case 'D': 4334 cb.cb_dedup_stats = B_TRUE; 4335 break; 4336 case 'T': 4337 get_timestamp_arg(*optarg); 4338 break; 4339 case '?': 4340 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4341 optopt); 4342 usage(B_FALSE); 4343 } 4344 } 4345 4346 argc -= optind; 4347 argv += optind; 4348 4349 get_interval_count(&argc, argv, &interval, &count); 4350 4351 if (argc == 0) 4352 cb.cb_allpools = B_TRUE; 4353 4354 cb.cb_first = B_TRUE; 4355 4356 for (;;) { 4357 if (timestamp_fmt != NODATE) 4358 print_timestamp(timestamp_fmt); 4359 4360 ret = for_each_pool(argc, argv, B_TRUE, NULL, 4361 status_callback, &cb); 4362 4363 if (argc == 0 && cb.cb_count == 0) 4364 (void) printf(gettext("no pools available\n")); 4365 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 4366 (void) printf(gettext("all pools are healthy\n")); 4367 4368 if (ret != 0) 4369 return (ret); 4370 4371 if (interval == 0) 4372 break; 4373 4374 if (count != 0 && --count == 0) 4375 break; 4376 4377 (void) sleep(interval); 4378 } 4379 4380 return (0); 4381 } 4382 4383 typedef struct upgrade_cbdata { 4384 int cb_first; 4385 int cb_argc; 4386 uint64_t cb_version; 4387 char **cb_argv; 4388 } upgrade_cbdata_t; 4389 4390 static int 4391 upgrade_version(zpool_handle_t *zhp, uint64_t version) 4392 { 4393 int ret; 4394 nvlist_t *config; 4395 uint64_t oldversion; 4396 4397 config = zpool_get_config(zhp, NULL); 4398 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4399 &oldversion) == 0); 4400 4401 assert(SPA_VERSION_IS_SUPPORTED(oldversion)); 4402 assert(oldversion < version); 4403 4404 ret = zpool_upgrade(zhp, version); 4405 if (ret != 0) 4406 return (ret); 4407 4408 if (version >= SPA_VERSION_FEATURES) { 4409 (void) printf(gettext("Successfully upgraded " 4410 "'%s' from version %llu to feature flags.\n"), 4411 zpool_get_name(zhp), oldversion); 4412 } else { 4413 (void) printf(gettext("Successfully upgraded " 4414 "'%s' from version %llu to version %llu.\n"), 4415 zpool_get_name(zhp), oldversion, version); 4416 } 4417 4418 return (0); 4419 } 4420 4421 static int 4422 upgrade_enable_all(zpool_handle_t *zhp, int *countp) 4423 { 4424 int i, ret, count; 4425 boolean_t firstff = B_TRUE; 4426 nvlist_t *enabled = zpool_get_features(zhp); 4427 4428 count = 0; 4429 for (i = 0; i < SPA_FEATURES; i++) { 4430 const char *fname = spa_feature_table[i].fi_uname; 4431 const char *fguid = spa_feature_table[i].fi_guid; 4432 if (!nvlist_exists(enabled, fguid)) { 4433 char *propname; 4434 verify(-1 != asprintf(&propname, "feature@%s", fname)); 4435 ret = zpool_set_prop(zhp, propname, 4436 ZFS_FEATURE_ENABLED); 4437 if (ret != 0) { 4438 free(propname); 4439 return (ret); 4440 } 4441 count++; 4442 4443 if (firstff) { 4444 (void) printf(gettext("Enabled the " 4445 "following features on '%s':\n"), 4446 zpool_get_name(zhp)); 4447 firstff = B_FALSE; 4448 } 4449 (void) printf(gettext(" %s\n"), fname); 4450 free(propname); 4451 } 4452 } 4453 4454 if (countp != NULL) 4455 *countp = count; 4456 return (0); 4457 } 4458 4459 static int 4460 upgrade_cb(zpool_handle_t *zhp, void *arg) 4461 { 4462 upgrade_cbdata_t *cbp = arg; 4463 nvlist_t *config; 4464 uint64_t version; 4465 boolean_t printnl = B_FALSE; 4466 int ret; 4467 4468 config = zpool_get_config(zhp, NULL); 4469 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4470 &version) == 0); 4471 4472 assert(SPA_VERSION_IS_SUPPORTED(version)); 4473 4474 if (version < cbp->cb_version) { 4475 cbp->cb_first = B_FALSE; 4476 ret = upgrade_version(zhp, cbp->cb_version); 4477 if (ret != 0) 4478 return (ret); 4479 printnl = B_TRUE; 4480 4481 /* 4482 * If they did "zpool upgrade -a", then we could 4483 * be doing ioctls to different pools. We need 4484 * to log this history once to each pool, and bypass 4485 * the normal history logging that happens in main(). 4486 */ 4487 (void) zpool_log_history(g_zfs, history_str); 4488 log_history = B_FALSE; 4489 } 4490 4491 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4492 int count; 4493 ret = upgrade_enable_all(zhp, &count); 4494 if (ret != 0) 4495 return (ret); 4496 4497 if (count > 0) { 4498 cbp->cb_first = B_FALSE; 4499 printnl = B_TRUE; 4500 } 4501 } 4502 4503 if (printnl) { 4504 (void) printf(gettext("\n")); 4505 } 4506 4507 return (0); 4508 } 4509 4510 static int 4511 upgrade_list_older_cb(zpool_handle_t *zhp, void *arg) 4512 { 4513 upgrade_cbdata_t *cbp = arg; 4514 nvlist_t *config; 4515 uint64_t version; 4516 4517 config = zpool_get_config(zhp, NULL); 4518 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4519 &version) == 0); 4520 4521 assert(SPA_VERSION_IS_SUPPORTED(version)); 4522 4523 if (version < SPA_VERSION_FEATURES) { 4524 if (cbp->cb_first) { 4525 (void) printf(gettext("The following pools are " 4526 "formatted with legacy version numbers and can\n" 4527 "be upgraded to use feature flags. After " 4528 "being upgraded, these pools\nwill no " 4529 "longer be accessible by software that does not " 4530 "support feature\nflags.\n\n")); 4531 (void) printf(gettext("VER POOL\n")); 4532 (void) printf(gettext("--- ------------\n")); 4533 cbp->cb_first = B_FALSE; 4534 } 4535 4536 (void) printf("%2llu %s\n", (u_longlong_t)version, 4537 zpool_get_name(zhp)); 4538 } 4539 4540 return (0); 4541 } 4542 4543 static int 4544 upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg) 4545 { 4546 upgrade_cbdata_t *cbp = arg; 4547 nvlist_t *config; 4548 uint64_t version; 4549 4550 config = zpool_get_config(zhp, NULL); 4551 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4552 &version) == 0); 4553 4554 if (version >= SPA_VERSION_FEATURES) { 4555 int i; 4556 boolean_t poolfirst = B_TRUE; 4557 nvlist_t *enabled = zpool_get_features(zhp); 4558 4559 for (i = 0; i < SPA_FEATURES; i++) { 4560 const char *fguid = spa_feature_table[i].fi_guid; 4561 const char *fname = spa_feature_table[i].fi_uname; 4562 if (!nvlist_exists(enabled, fguid)) { 4563 if (cbp->cb_first) { 4564 (void) printf(gettext("\nSome " 4565 "supported features are not " 4566 "enabled on the following pools. " 4567 "Once a\nfeature is enabled the " 4568 "pool may become incompatible with " 4569 "software\nthat does not support " 4570 "the feature. See " 4571 "zpool-features(5) for " 4572 "details.\n\n")); 4573 (void) printf(gettext("POOL " 4574 "FEATURE\n")); 4575 (void) printf(gettext("------" 4576 "---------\n")); 4577 cbp->cb_first = B_FALSE; 4578 } 4579 4580 if (poolfirst) { 4581 (void) printf(gettext("%s\n"), 4582 zpool_get_name(zhp)); 4583 poolfirst = B_FALSE; 4584 } 4585 4586 (void) printf(gettext(" %s\n"), fname); 4587 } 4588 } 4589 } 4590 4591 return (0); 4592 } 4593 4594 /* ARGSUSED */ 4595 static int 4596 upgrade_one(zpool_handle_t *zhp, void *data) 4597 { 4598 boolean_t printnl = B_FALSE; 4599 upgrade_cbdata_t *cbp = data; 4600 uint64_t cur_version; 4601 int ret; 4602 4603 if (strcmp("log", zpool_get_name(zhp)) == 0) { 4604 (void) printf(gettext("'log' is now a reserved word\n" 4605 "Pool 'log' must be renamed using export and import" 4606 " to upgrade.\n")); 4607 return (1); 4608 } 4609 4610 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 4611 if (cur_version > cbp->cb_version) { 4612 (void) printf(gettext("Pool '%s' is already formatted " 4613 "using more current version '%llu'.\n\n"), 4614 zpool_get_name(zhp), cur_version); 4615 return (0); 4616 } 4617 4618 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) { 4619 (void) printf(gettext("Pool '%s' is already formatted " 4620 "using version %llu.\n\n"), zpool_get_name(zhp), 4621 cbp->cb_version); 4622 return (0); 4623 } 4624 4625 if (cur_version != cbp->cb_version) { 4626 printnl = B_TRUE; 4627 ret = upgrade_version(zhp, cbp->cb_version); 4628 if (ret != 0) 4629 return (ret); 4630 } 4631 4632 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4633 int count = 0; 4634 ret = upgrade_enable_all(zhp, &count); 4635 if (ret != 0) 4636 return (ret); 4637 4638 if (count != 0) { 4639 printnl = B_TRUE; 4640 } else if (cur_version == SPA_VERSION) { 4641 (void) printf(gettext("Pool '%s' already has all " 4642 "supported features enabled.\n"), 4643 zpool_get_name(zhp)); 4644 } 4645 } 4646 4647 if (printnl) { 4648 (void) printf(gettext("\n")); 4649 } 4650 4651 return (0); 4652 } 4653 4654 /* 4655 * zpool upgrade 4656 * zpool upgrade -v 4657 * zpool upgrade [-V version] <-a | pool ...> 4658 * 4659 * With no arguments, display downrev'd ZFS pool available for upgrade. 4660 * Individual pools can be upgraded by specifying the pool, and '-a' will 4661 * upgrade all pools. 4662 */ 4663 int 4664 zpool_do_upgrade(int argc, char **argv) 4665 { 4666 int c; 4667 upgrade_cbdata_t cb = { 0 }; 4668 int ret = 0; 4669 boolean_t showversions = B_FALSE; 4670 boolean_t upgradeall = B_FALSE; 4671 char *end; 4672 4673 4674 /* check options */ 4675 while ((c = getopt(argc, argv, ":avV:")) != -1) { 4676 switch (c) { 4677 case 'a': 4678 upgradeall = B_TRUE; 4679 break; 4680 case 'v': 4681 showversions = B_TRUE; 4682 break; 4683 case 'V': 4684 cb.cb_version = strtoll(optarg, &end, 10); 4685 if (*end != '\0' || 4686 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) { 4687 (void) fprintf(stderr, 4688 gettext("invalid version '%s'\n"), optarg); 4689 usage(B_FALSE); 4690 } 4691 break; 4692 case ':': 4693 (void) fprintf(stderr, gettext("missing argument for " 4694 "'%c' option\n"), optopt); 4695 usage(B_FALSE); 4696 break; 4697 case '?': 4698 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4699 optopt); 4700 usage(B_FALSE); 4701 } 4702 } 4703 4704 cb.cb_argc = argc; 4705 cb.cb_argv = argv; 4706 argc -= optind; 4707 argv += optind; 4708 4709 if (cb.cb_version == 0) { 4710 cb.cb_version = SPA_VERSION; 4711 } else if (!upgradeall && argc == 0) { 4712 (void) fprintf(stderr, gettext("-V option is " 4713 "incompatible with other arguments\n")); 4714 usage(B_FALSE); 4715 } 4716 4717 if (showversions) { 4718 if (upgradeall || argc != 0) { 4719 (void) fprintf(stderr, gettext("-v option is " 4720 "incompatible with other arguments\n")); 4721 usage(B_FALSE); 4722 } 4723 } else if (upgradeall) { 4724 if (argc != 0) { 4725 (void) fprintf(stderr, gettext("-a option should not " 4726 "be used along with a pool name\n")); 4727 usage(B_FALSE); 4728 } 4729 } 4730 4731 (void) printf(gettext("This system supports ZFS pool feature " 4732 "flags.\n\n")); 4733 if (showversions) { 4734 int i; 4735 4736 (void) printf(gettext("The following features are " 4737 "supported:\n\n")); 4738 (void) printf(gettext("FEAT DESCRIPTION\n")); 4739 (void) printf("----------------------------------------------" 4740 "---------------\n"); 4741 for (i = 0; i < SPA_FEATURES; i++) { 4742 zfeature_info_t *fi = &spa_feature_table[i]; 4743 const char *ro = fi->fi_can_readonly ? 4744 " (read-only compatible)" : ""; 4745 4746 (void) printf("%-37s%s\n", fi->fi_uname, ro); 4747 (void) printf(" %s\n", fi->fi_desc); 4748 } 4749 (void) printf("\n"); 4750 4751 (void) printf(gettext("The following legacy versions are also " 4752 "supported:\n\n")); 4753 (void) printf(gettext("VER DESCRIPTION\n")); 4754 (void) printf("--- -----------------------------------------" 4755 "---------------\n"); 4756 (void) printf(gettext(" 1 Initial ZFS version\n")); 4757 (void) printf(gettext(" 2 Ditto blocks " 4758 "(replicated metadata)\n")); 4759 (void) printf(gettext(" 3 Hot spares and double parity " 4760 "RAID-Z\n")); 4761 (void) printf(gettext(" 4 zpool history\n")); 4762 (void) printf(gettext(" 5 Compression using the gzip " 4763 "algorithm\n")); 4764 (void) printf(gettext(" 6 bootfs pool property\n")); 4765 (void) printf(gettext(" 7 Separate intent log devices\n")); 4766 (void) printf(gettext(" 8 Delegated administration\n")); 4767 (void) printf(gettext(" 9 refquota and refreservation " 4768 "properties\n")); 4769 (void) printf(gettext(" 10 Cache devices\n")); 4770 (void) printf(gettext(" 11 Improved scrub performance\n")); 4771 (void) printf(gettext(" 12 Snapshot properties\n")); 4772 (void) printf(gettext(" 13 snapused property\n")); 4773 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4774 (void) printf(gettext(" 15 user/group space accounting\n")); 4775 (void) printf(gettext(" 16 stmf property support\n")); 4776 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4777 (void) printf(gettext(" 18 Snapshot user holds\n")); 4778 (void) printf(gettext(" 19 Log device removal\n")); 4779 (void) printf(gettext(" 20 Compression using zle " 4780 "(zero-length encoding)\n")); 4781 (void) printf(gettext(" 21 Deduplication\n")); 4782 (void) printf(gettext(" 22 Received properties\n")); 4783 (void) printf(gettext(" 23 Slim ZIL\n")); 4784 (void) printf(gettext(" 24 System attributes\n")); 4785 (void) printf(gettext(" 25 Improved scrub stats\n")); 4786 (void) printf(gettext(" 26 Improved snapshot deletion " 4787 "performance\n")); 4788 (void) printf(gettext(" 27 Improved snapshot creation " 4789 "performance\n")); 4790 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4791 (void) printf(gettext("\nFor more information on a particular " 4792 "version, including supported releases,\n")); 4793 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4794 } else if (argc == 0 && upgradeall) { 4795 cb.cb_first = B_TRUE; 4796 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4797 if (ret == 0 && cb.cb_first) { 4798 if (cb.cb_version == SPA_VERSION) { 4799 (void) printf(gettext("All pools are already " 4800 "formatted using feature flags.\n\n")); 4801 (void) printf(gettext("Every feature flags " 4802 "pool already has all supported features " 4803 "enabled.\n")); 4804 } else { 4805 (void) printf(gettext("All pools are already " 4806 "formatted with version %llu or higher.\n"), 4807 cb.cb_version); 4808 } 4809 } 4810 } else if (argc == 0) { 4811 cb.cb_first = B_TRUE; 4812 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb); 4813 assert(ret == 0); 4814 4815 if (cb.cb_first) { 4816 (void) printf(gettext("All pools are formatted " 4817 "using feature flags.\n\n")); 4818 } else { 4819 (void) printf(gettext("\nUse 'zpool upgrade -v' " 4820 "for a list of available legacy versions.\n")); 4821 } 4822 4823 cb.cb_first = B_TRUE; 4824 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb); 4825 assert(ret == 0); 4826 4827 if (cb.cb_first) { 4828 (void) printf(gettext("Every feature flags pool has " 4829 "all supported features enabled.\n")); 4830 } else { 4831 (void) printf(gettext("\n")); 4832 } 4833 } else { 4834 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4835 upgrade_one, &cb); 4836 } 4837 4838 return (ret); 4839 } 4840 4841 typedef struct hist_cbdata { 4842 boolean_t first; 4843 boolean_t longfmt; 4844 boolean_t internal; 4845 } hist_cbdata_t; 4846 4847 /* 4848 * Print out the command history for a specific pool. 4849 */ 4850 static int 4851 get_history_one(zpool_handle_t *zhp, void *data) 4852 { 4853 nvlist_t *nvhis; 4854 nvlist_t **records; 4855 uint_t numrecords; 4856 int ret, i; 4857 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4858 4859 cb->first = B_FALSE; 4860 4861 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4862 4863 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4864 return (ret); 4865 4866 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4867 &records, &numrecords) == 0); 4868 for (i = 0; i < numrecords; i++) { 4869 nvlist_t *rec = records[i]; 4870 char tbuf[30] = ""; 4871 4872 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) { 4873 time_t tsec; 4874 struct tm t; 4875 4876 tsec = fnvlist_lookup_uint64(records[i], 4877 ZPOOL_HIST_TIME); 4878 (void) localtime_r(&tsec, &t); 4879 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4880 } 4881 4882 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) { 4883 (void) printf("%s %s", tbuf, 4884 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD)); 4885 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) { 4886 int ievent = 4887 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT); 4888 if (!cb->internal) 4889 continue; 4890 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) { 4891 (void) printf("%s unrecognized record:\n", 4892 tbuf); 4893 dump_nvlist(rec, 4); 4894 continue; 4895 } 4896 (void) printf("%s [internal %s txg:%lld] %s", tbuf, 4897 zfs_history_event_names[ievent], 4898 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 4899 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR)); 4900 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) { 4901 if (!cb->internal) 4902 continue; 4903 (void) printf("%s [txg:%lld] %s", tbuf, 4904 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 4905 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME)); 4906 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) { 4907 (void) printf(" %s (%llu)", 4908 fnvlist_lookup_string(rec, 4909 ZPOOL_HIST_DSNAME), 4910 fnvlist_lookup_uint64(rec, 4911 ZPOOL_HIST_DSID)); 4912 } 4913 (void) printf(" %s", fnvlist_lookup_string(rec, 4914 ZPOOL_HIST_INT_STR)); 4915 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) { 4916 if (!cb->internal) 4917 continue; 4918 (void) printf("%s ioctl %s\n", tbuf, 4919 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL)); 4920 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) { 4921 (void) printf(" input:\n"); 4922 dump_nvlist(fnvlist_lookup_nvlist(rec, 4923 ZPOOL_HIST_INPUT_NVL), 8); 4924 } 4925 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) { 4926 (void) printf(" output:\n"); 4927 dump_nvlist(fnvlist_lookup_nvlist(rec, 4928 ZPOOL_HIST_OUTPUT_NVL), 8); 4929 } 4930 } else { 4931 if (!cb->internal) 4932 continue; 4933 (void) printf("%s unrecognized record:\n", tbuf); 4934 dump_nvlist(rec, 4); 4935 } 4936 4937 if (!cb->longfmt) { 4938 (void) printf("\n"); 4939 continue; 4940 } 4941 (void) printf(" ["); 4942 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) { 4943 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO); 4944 struct passwd *pwd = getpwuid(who); 4945 (void) printf("user %d ", (int)who); 4946 if (pwd != NULL) 4947 (void) printf("(%s) ", pwd->pw_name); 4948 } 4949 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) { 4950 (void) printf("on %s", 4951 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST)); 4952 } 4953 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) { 4954 (void) printf(":%s", 4955 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE)); 4956 } 4957 (void) printf("]"); 4958 (void) printf("\n"); 4959 } 4960 (void) printf("\n"); 4961 nvlist_free(nvhis); 4962 4963 return (ret); 4964 } 4965 4966 /* 4967 * zpool history <pool> 4968 * 4969 * Displays the history of commands that modified pools. 4970 */ 4971 int 4972 zpool_do_history(int argc, char **argv) 4973 { 4974 hist_cbdata_t cbdata = { 0 }; 4975 int ret; 4976 int c; 4977 4978 cbdata.first = B_TRUE; 4979 /* check options */ 4980 while ((c = getopt(argc, argv, "li")) != -1) { 4981 switch (c) { 4982 case 'l': 4983 cbdata.longfmt = B_TRUE; 4984 break; 4985 case 'i': 4986 cbdata.internal = B_TRUE; 4987 break; 4988 case '?': 4989 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4990 optopt); 4991 usage(B_FALSE); 4992 } 4993 } 4994 argc -= optind; 4995 argv += optind; 4996 4997 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4998 &cbdata); 4999 5000 if (argc == 0 && cbdata.first == B_TRUE) { 5001 (void) printf(gettext("no pools available\n")); 5002 return (0); 5003 } 5004 5005 return (ret); 5006 } 5007 5008 static int 5009 get_callback(zpool_handle_t *zhp, void *data) 5010 { 5011 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 5012 char value[MAXNAMELEN]; 5013 zprop_source_t srctype; 5014 zprop_list_t *pl; 5015 5016 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 5017 5018 /* 5019 * Skip the special fake placeholder. This will also skip 5020 * over the name property when 'all' is specified. 5021 */ 5022 if (pl->pl_prop == ZPOOL_PROP_NAME && 5023 pl == cbp->cb_proplist) 5024 continue; 5025 5026 if (pl->pl_prop == ZPROP_INVAL && 5027 (zpool_prop_feature(pl->pl_user_prop) || 5028 zpool_prop_unsupported(pl->pl_user_prop))) { 5029 srctype = ZPROP_SRC_LOCAL; 5030 5031 if (zpool_prop_get_feature(zhp, pl->pl_user_prop, 5032 value, sizeof (value)) == 0) { 5033 zprop_print_one_property(zpool_get_name(zhp), 5034 cbp, pl->pl_user_prop, value, srctype, 5035 NULL, NULL); 5036 } 5037 } else { 5038 if (zpool_get_prop(zhp, pl->pl_prop, value, 5039 sizeof (value), &srctype, cbp->cb_literal) != 0) 5040 continue; 5041 5042 zprop_print_one_property(zpool_get_name(zhp), cbp, 5043 zpool_prop_to_name(pl->pl_prop), value, srctype, 5044 NULL, NULL); 5045 } 5046 } 5047 return (0); 5048 } 5049 5050 /* 5051 * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ... 5052 * 5053 * -H Scripted mode. Don't display headers, and separate properties 5054 * by a single tab. 5055 * -o List of columns to display. Defaults to 5056 * "name,property,value,source". 5057 * -p Diplay values in parsable (exact) format. 5058 * 5059 * Get properties of pools in the system. Output space statistics 5060 * for each one as well as other attributes. 5061 */ 5062 int 5063 zpool_do_get(int argc, char **argv) 5064 { 5065 zprop_get_cbdata_t cb = { 0 }; 5066 zprop_list_t fake_name = { 0 }; 5067 int ret; 5068 int c, i; 5069 char *value; 5070 5071 cb.cb_first = B_TRUE; 5072 5073 /* 5074 * Set up default columns and sources. 5075 */ 5076 cb.cb_sources = ZPROP_SRC_ALL; 5077 cb.cb_columns[0] = GET_COL_NAME; 5078 cb.cb_columns[1] = GET_COL_PROPERTY; 5079 cb.cb_columns[2] = GET_COL_VALUE; 5080 cb.cb_columns[3] = GET_COL_SOURCE; 5081 cb.cb_type = ZFS_TYPE_POOL; 5082 5083 /* check options */ 5084 while ((c = getopt(argc, argv, ":Hpo:")) != -1) { 5085 switch (c) { 5086 case 'p': 5087 cb.cb_literal = B_TRUE; 5088 break; 5089 case 'H': 5090 cb.cb_scripted = B_TRUE; 5091 break; 5092 case 'o': 5093 bzero(&cb.cb_columns, sizeof (cb.cb_columns)); 5094 i = 0; 5095 while (*optarg != '\0') { 5096 static char *col_subopts[] = 5097 { "name", "property", "value", "source", 5098 "all", NULL }; 5099 5100 if (i == ZFS_GET_NCOLS) { 5101 (void) fprintf(stderr, gettext("too " 5102 "many fields given to -o " 5103 "option\n")); 5104 usage(B_FALSE); 5105 } 5106 5107 switch (getsubopt(&optarg, col_subopts, 5108 &value)) { 5109 case 0: 5110 cb.cb_columns[i++] = GET_COL_NAME; 5111 break; 5112 case 1: 5113 cb.cb_columns[i++] = GET_COL_PROPERTY; 5114 break; 5115 case 2: 5116 cb.cb_columns[i++] = GET_COL_VALUE; 5117 break; 5118 case 3: 5119 cb.cb_columns[i++] = GET_COL_SOURCE; 5120 break; 5121 case 4: 5122 if (i > 0) { 5123 (void) fprintf(stderr, 5124 gettext("\"all\" conflicts " 5125 "with specific fields " 5126 "given to -o option\n")); 5127 usage(B_FALSE); 5128 } 5129 cb.cb_columns[0] = GET_COL_NAME; 5130 cb.cb_columns[1] = GET_COL_PROPERTY; 5131 cb.cb_columns[2] = GET_COL_VALUE; 5132 cb.cb_columns[3] = GET_COL_SOURCE; 5133 i = ZFS_GET_NCOLS; 5134 break; 5135 default: 5136 (void) fprintf(stderr, 5137 gettext("invalid column name " 5138 "'%s'\n"), value); 5139 usage(B_FALSE); 5140 } 5141 } 5142 break; 5143 case '?': 5144 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5145 optopt); 5146 usage(B_FALSE); 5147 } 5148 } 5149 5150 argc -= optind; 5151 argv += optind; 5152 5153 if (argc < 1) { 5154 (void) fprintf(stderr, gettext("missing property " 5155 "argument\n")); 5156 usage(B_FALSE); 5157 } 5158 5159 if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist, 5160 ZFS_TYPE_POOL) != 0) 5161 usage(B_FALSE); 5162 5163 argc--; 5164 argv++; 5165 5166 if (cb.cb_proplist != NULL) { 5167 fake_name.pl_prop = ZPOOL_PROP_NAME; 5168 fake_name.pl_width = strlen(gettext("NAME")); 5169 fake_name.pl_next = cb.cb_proplist; 5170 cb.cb_proplist = &fake_name; 5171 } 5172 5173 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 5174 get_callback, &cb); 5175 5176 if (cb.cb_proplist == &fake_name) 5177 zprop_free_list(fake_name.pl_next); 5178 else 5179 zprop_free_list(cb.cb_proplist); 5180 5181 return (ret); 5182 } 5183 5184 typedef struct set_cbdata { 5185 char *cb_propname; 5186 char *cb_value; 5187 boolean_t cb_any_successful; 5188 } set_cbdata_t; 5189 5190 int 5191 set_callback(zpool_handle_t *zhp, void *data) 5192 { 5193 int error; 5194 set_cbdata_t *cb = (set_cbdata_t *)data; 5195 5196 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 5197 5198 if (!error) 5199 cb->cb_any_successful = B_TRUE; 5200 5201 return (error); 5202 } 5203 5204 int 5205 zpool_do_set(int argc, char **argv) 5206 { 5207 set_cbdata_t cb = { 0 }; 5208 int error; 5209 5210 if (argc > 1 && argv[1][0] == '-') { 5211 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5212 argv[1][1]); 5213 usage(B_FALSE); 5214 } 5215 5216 if (argc < 2) { 5217 (void) fprintf(stderr, gettext("missing property=value " 5218 "argument\n")); 5219 usage(B_FALSE); 5220 } 5221 5222 if (argc < 3) { 5223 (void) fprintf(stderr, gettext("missing pool name\n")); 5224 usage(B_FALSE); 5225 } 5226 5227 if (argc > 3) { 5228 (void) fprintf(stderr, gettext("too many pool names\n")); 5229 usage(B_FALSE); 5230 } 5231 5232 cb.cb_propname = argv[1]; 5233 cb.cb_value = strchr(cb.cb_propname, '='); 5234 if (cb.cb_value == NULL) { 5235 (void) fprintf(stderr, gettext("missing value in " 5236 "property=value argument\n")); 5237 usage(B_FALSE); 5238 } 5239 5240 *(cb.cb_value) = '\0'; 5241 cb.cb_value++; 5242 5243 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 5244 set_callback, &cb); 5245 5246 return (error); 5247 } 5248 5249 static int 5250 find_command_idx(char *command, int *idx) 5251 { 5252 int i; 5253 5254 for (i = 0; i < NCOMMAND; i++) { 5255 if (command_table[i].name == NULL) 5256 continue; 5257 5258 if (strcmp(command, command_table[i].name) == 0) { 5259 *idx = i; 5260 return (0); 5261 } 5262 } 5263 return (1); 5264 } 5265 5266 int 5267 main(int argc, char **argv) 5268 { 5269 int ret; 5270 int i; 5271 char *cmdname; 5272 5273 (void) setlocale(LC_ALL, ""); 5274 (void) textdomain(TEXT_DOMAIN); 5275 5276 if ((g_zfs = libzfs_init()) == NULL) { 5277 (void) fprintf(stderr, gettext("internal error: failed to " 5278 "initialize ZFS library\n")); 5279 return (1); 5280 } 5281 5282 libzfs_print_on_error(g_zfs, B_TRUE); 5283 5284 opterr = 0; 5285 5286 /* 5287 * Make sure the user has specified some command. 5288 */ 5289 if (argc < 2) { 5290 (void) fprintf(stderr, gettext("missing command\n")); 5291 usage(B_FALSE); 5292 } 5293 5294 cmdname = argv[1]; 5295 5296 /* 5297 * Special case '-?' 5298 */ 5299 if (strcmp(cmdname, "-?") == 0) 5300 usage(B_TRUE); 5301 5302 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 5303 5304 /* 5305 * Run the appropriate command. 5306 */ 5307 if (find_command_idx(cmdname, &i) == 0) { 5308 current_command = &command_table[i]; 5309 ret = command_table[i].func(argc - 1, argv + 1); 5310 } else if (strchr(cmdname, '=')) { 5311 verify(find_command_idx("set", &i) == 0); 5312 current_command = &command_table[i]; 5313 ret = command_table[i].func(argc, argv); 5314 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 5315 /* 5316 * 'freeze' is a vile debugging abomination, so we treat 5317 * it as such. 5318 */ 5319 char buf[16384]; 5320 int fd = open(ZFS_DEV, O_RDWR); 5321 (void) strcpy((void *)buf, argv[2]); 5322 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 5323 } else { 5324 (void) fprintf(stderr, gettext("unrecognized " 5325 "command '%s'\n"), cmdname); 5326 usage(B_FALSE); 5327 } 5328 5329 if (ret == 0 && log_history) 5330 (void) zpool_log_history(g_zfs, history_str); 5331 5332 libzfs_fini(g_zfs); 5333 5334 /* 5335 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 5336 * for the purposes of running ::findleaks. 5337 */ 5338 if (getenv("ZFS_ABORT") != NULL) { 5339 (void) printf("dumping core by request\n"); 5340 abort(); 5341 } 5342 5343 return (ret); 5344 } 5345