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