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) 2013 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, 10); 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 zfs_nicenum(value, propval, sizeof (propval)); 2758 2759 if (prop == ZPOOL_PROP_EXPANDSZ && value == 0) 2760 (void) strlcpy(propval, "-", sizeof (propval)); 2761 2762 if (scripted) 2763 (void) printf("\t%s", propval); 2764 else 2765 (void) printf(" %*s", width, propval); 2766 } 2767 2768 void 2769 print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 2770 list_cbdata_t *cb, int depth) 2771 { 2772 nvlist_t **child; 2773 vdev_stat_t *vs; 2774 uint_t c, children; 2775 char *vname; 2776 boolean_t scripted = cb->cb_scripted; 2777 2778 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 2779 (uint64_t **)&vs, &c) == 0); 2780 2781 if (name != NULL) { 2782 if (scripted) 2783 (void) printf("\t%s", name); 2784 else if (strlen(name) + depth > cb->cb_namewidth) 2785 (void) printf("%*s%s", depth, "", name); 2786 else 2787 (void) printf("%*s%s%*s", depth, "", name, 2788 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2789 2790 /* only toplevel vdevs have capacity stats */ 2791 if (vs->vs_space == 0) { 2792 if (scripted) 2793 (void) printf("\t-\t-\t-"); 2794 else 2795 (void) printf(" - - -"); 2796 } else { 2797 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, 2798 scripted); 2799 print_one_column(ZPOOL_PROP_CAPACITY, vs->vs_alloc, 2800 scripted); 2801 print_one_column(ZPOOL_PROP_FREE, 2802 vs->vs_space - vs->vs_alloc, scripted); 2803 } 2804 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, 2805 scripted); 2806 (void) printf("\n"); 2807 } 2808 2809 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2810 &child, &children) != 0) 2811 return; 2812 2813 for (c = 0; c < children; c++) { 2814 uint64_t ishole = B_FALSE; 2815 2816 if (nvlist_lookup_uint64(child[c], 2817 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2818 continue; 2819 2820 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 2821 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2822 free(vname); 2823 } 2824 2825 /* 2826 * Include level 2 ARC devices in iostat output 2827 */ 2828 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 2829 &child, &children) != 0) 2830 return; 2831 2832 if (children > 0) { 2833 (void) printf("%-*s - - - - - " 2834 "-\n", cb->cb_namewidth, "cache"); 2835 for (c = 0; c < children; c++) { 2836 vname = zpool_vdev_name(g_zfs, zhp, child[c], 2837 B_FALSE); 2838 print_list_stats(zhp, vname, child[c], cb, depth + 2); 2839 free(vname); 2840 } 2841 } 2842 } 2843 2844 2845 /* 2846 * Generic callback function to list a pool. 2847 */ 2848 int 2849 list_callback(zpool_handle_t *zhp, void *data) 2850 { 2851 list_cbdata_t *cbp = data; 2852 nvlist_t *config; 2853 nvlist_t *nvroot; 2854 2855 config = zpool_get_config(zhp, NULL); 2856 2857 print_pool(zhp, cbp); 2858 if (!cbp->cb_verbose) 2859 return (0); 2860 2861 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2862 &nvroot) == 0); 2863 print_list_stats(zhp, NULL, nvroot, cbp, 0); 2864 2865 return (0); 2866 } 2867 2868 /* 2869 * zpool list [-Hp] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2870 * 2871 * -H Scripted mode. Don't display headers, and separate properties 2872 * by a single tab. 2873 * -o List of properties to display. Defaults to 2874 * "name,size,allocated,free,capacity,health,altroot" 2875 * -p Diplay values in parsable (exact) format. 2876 * -T Display a timestamp in date(1) or Unix format 2877 * 2878 * List all pools in the system, whether or not they're healthy. Output space 2879 * statistics for each one, as well as health status summary. 2880 */ 2881 int 2882 zpool_do_list(int argc, char **argv) 2883 { 2884 int c; 2885 int ret; 2886 list_cbdata_t cb = { 0 }; 2887 static char default_props[] = 2888 "name,size,allocated,free,expandsize,capacity,dedupratio," 2889 "health,altroot"; 2890 char *props = default_props; 2891 unsigned long interval = 0, count = 0; 2892 zpool_list_t *list; 2893 boolean_t first = B_TRUE; 2894 2895 /* check options */ 2896 while ((c = getopt(argc, argv, ":Ho:pT:v")) != -1) { 2897 switch (c) { 2898 case 'H': 2899 cb.cb_scripted = B_TRUE; 2900 break; 2901 case 'o': 2902 props = optarg; 2903 break; 2904 case 'p': 2905 cb.cb_literal = B_TRUE; 2906 break; 2907 case 'T': 2908 get_timestamp_arg(*optarg); 2909 break; 2910 case 'v': 2911 cb.cb_verbose = B_TRUE; 2912 break; 2913 case ':': 2914 (void) fprintf(stderr, gettext("missing argument for " 2915 "'%c' option\n"), optopt); 2916 usage(B_FALSE); 2917 break; 2918 case '?': 2919 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2920 optopt); 2921 usage(B_FALSE); 2922 } 2923 } 2924 2925 argc -= optind; 2926 argv += optind; 2927 2928 get_interval_count(&argc, argv, &interval, &count); 2929 2930 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2931 usage(B_FALSE); 2932 2933 if ((list = pool_list_get(argc, argv, &cb.cb_proplist, &ret)) == NULL) 2934 return (1); 2935 2936 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) { 2937 (void) printf(gettext("no pools available\n")); 2938 zprop_free_list(cb.cb_proplist); 2939 return (0); 2940 } 2941 2942 for (;;) { 2943 pool_list_update(list); 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 (void) sleep(interval); 2967 } 2968 2969 zprop_free_list(cb.cb_proplist); 2970 return (ret); 2971 } 2972 2973 static nvlist_t * 2974 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2975 { 2976 nvlist_t **child; 2977 uint_t c, children; 2978 nvlist_t *match; 2979 char *path; 2980 2981 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2982 &child, &children) != 0) { 2983 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2984 if (strncmp(name, "/dev/dsk/", 9) == 0) 2985 name += 9; 2986 if (strncmp(path, "/dev/dsk/", 9) == 0) 2987 path += 9; 2988 if (strcmp(name, path) == 0) 2989 return (nv); 2990 return (NULL); 2991 } 2992 2993 for (c = 0; c < children; c++) 2994 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2995 return (match); 2996 2997 return (NULL); 2998 } 2999 3000 static int 3001 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 3002 { 3003 boolean_t force = B_FALSE; 3004 int c; 3005 nvlist_t *nvroot; 3006 char *poolname, *old_disk, *new_disk; 3007 zpool_handle_t *zhp; 3008 int ret; 3009 3010 /* check options */ 3011 while ((c = getopt(argc, argv, "f")) != -1) { 3012 switch (c) { 3013 case 'f': 3014 force = B_TRUE; 3015 break; 3016 case '?': 3017 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3018 optopt); 3019 usage(B_FALSE); 3020 } 3021 } 3022 3023 argc -= optind; 3024 argv += optind; 3025 3026 /* get pool name and check number of arguments */ 3027 if (argc < 1) { 3028 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3029 usage(B_FALSE); 3030 } 3031 3032 poolname = argv[0]; 3033 3034 if (argc < 2) { 3035 (void) fprintf(stderr, 3036 gettext("missing <device> specification\n")); 3037 usage(B_FALSE); 3038 } 3039 3040 old_disk = argv[1]; 3041 3042 if (argc < 3) { 3043 if (!replacing) { 3044 (void) fprintf(stderr, 3045 gettext("missing <new_device> specification\n")); 3046 usage(B_FALSE); 3047 } 3048 new_disk = old_disk; 3049 argc -= 1; 3050 argv += 1; 3051 } else { 3052 new_disk = argv[2]; 3053 argc -= 2; 3054 argv += 2; 3055 } 3056 3057 if (argc > 1) { 3058 (void) fprintf(stderr, gettext("too many arguments\n")); 3059 usage(B_FALSE); 3060 } 3061 3062 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3063 return (1); 3064 3065 if (zpool_get_config(zhp, NULL) == NULL) { 3066 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 3067 poolname); 3068 zpool_close(zhp); 3069 return (1); 3070 } 3071 3072 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 3073 argc, argv); 3074 if (nvroot == NULL) { 3075 zpool_close(zhp); 3076 return (1); 3077 } 3078 3079 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 3080 3081 nvlist_free(nvroot); 3082 zpool_close(zhp); 3083 3084 return (ret); 3085 } 3086 3087 /* 3088 * zpool replace [-f] <pool> <device> <new_device> 3089 * 3090 * -f Force attach, even if <new_device> appears to be in use. 3091 * 3092 * Replace <device> with <new_device>. 3093 */ 3094 /* ARGSUSED */ 3095 int 3096 zpool_do_replace(int argc, char **argv) 3097 { 3098 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 3099 } 3100 3101 /* 3102 * zpool attach [-f] <pool> <device> <new_device> 3103 * 3104 * -f Force attach, even if <new_device> appears to be in use. 3105 * 3106 * Attach <new_device> to the mirror containing <device>. If <device> is not 3107 * part of a mirror, then <device> will be transformed into a mirror of 3108 * <device> and <new_device>. In either case, <new_device> will begin life 3109 * with a DTL of [0, now], and will immediately begin to resilver itself. 3110 */ 3111 int 3112 zpool_do_attach(int argc, char **argv) 3113 { 3114 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 3115 } 3116 3117 /* 3118 * zpool detach [-f] <pool> <device> 3119 * 3120 * -f Force detach of <device>, even if DTLs argue against it 3121 * (not supported yet) 3122 * 3123 * Detach a device from a mirror. The operation will be refused if <device> 3124 * is the last device in the mirror, or if the DTLs indicate that this device 3125 * has the only valid copy of some data. 3126 */ 3127 /* ARGSUSED */ 3128 int 3129 zpool_do_detach(int argc, char **argv) 3130 { 3131 int c; 3132 char *poolname, *path; 3133 zpool_handle_t *zhp; 3134 int ret; 3135 3136 /* check options */ 3137 while ((c = getopt(argc, argv, "f")) != -1) { 3138 switch (c) { 3139 case 'f': 3140 case '?': 3141 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3142 optopt); 3143 usage(B_FALSE); 3144 } 3145 } 3146 3147 argc -= optind; 3148 argv += optind; 3149 3150 /* get pool name and check number of arguments */ 3151 if (argc < 1) { 3152 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3153 usage(B_FALSE); 3154 } 3155 3156 if (argc < 2) { 3157 (void) fprintf(stderr, 3158 gettext("missing <device> specification\n")); 3159 usage(B_FALSE); 3160 } 3161 3162 poolname = argv[0]; 3163 path = argv[1]; 3164 3165 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3166 return (1); 3167 3168 ret = zpool_vdev_detach(zhp, path); 3169 3170 zpool_close(zhp); 3171 3172 return (ret); 3173 } 3174 3175 /* 3176 * zpool split [-n] [-o prop=val] ... 3177 * [-o mntopt] ... 3178 * [-R altroot] <pool> <newpool> [<device> ...] 3179 * 3180 * -n Do not split the pool, but display the resulting layout if 3181 * it were to be split. 3182 * -o Set property=value, or set mount options. 3183 * -R Mount the split-off pool under an alternate root. 3184 * 3185 * Splits the named pool and gives it the new pool name. Devices to be split 3186 * off may be listed, provided that no more than one device is specified 3187 * per top-level vdev mirror. The newly split pool is left in an exported 3188 * state unless -R is specified. 3189 * 3190 * Restrictions: the top-level of the pool pool must only be made up of 3191 * mirrors; all devices in the pool must be healthy; no device may be 3192 * undergoing a resilvering operation. 3193 */ 3194 int 3195 zpool_do_split(int argc, char **argv) 3196 { 3197 char *srcpool, *newpool, *propval; 3198 char *mntopts = NULL; 3199 splitflags_t flags; 3200 int c, ret = 0; 3201 zpool_handle_t *zhp; 3202 nvlist_t *config, *props = NULL; 3203 3204 flags.dryrun = B_FALSE; 3205 flags.import = B_FALSE; 3206 3207 /* check options */ 3208 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 3209 switch (c) { 3210 case 'R': 3211 flags.import = B_TRUE; 3212 if (add_prop_list( 3213 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 3214 &props, B_TRUE) != 0) { 3215 if (props) 3216 nvlist_free(props); 3217 usage(B_FALSE); 3218 } 3219 break; 3220 case 'n': 3221 flags.dryrun = B_TRUE; 3222 break; 3223 case 'o': 3224 if ((propval = strchr(optarg, '=')) != NULL) { 3225 *propval = '\0'; 3226 propval++; 3227 if (add_prop_list(optarg, propval, 3228 &props, B_TRUE) != 0) { 3229 if (props) 3230 nvlist_free(props); 3231 usage(B_FALSE); 3232 } 3233 } else { 3234 mntopts = optarg; 3235 } 3236 break; 3237 case ':': 3238 (void) fprintf(stderr, gettext("missing argument for " 3239 "'%c' option\n"), optopt); 3240 usage(B_FALSE); 3241 break; 3242 case '?': 3243 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3244 optopt); 3245 usage(B_FALSE); 3246 break; 3247 } 3248 } 3249 3250 if (!flags.import && mntopts != NULL) { 3251 (void) fprintf(stderr, gettext("setting mntopts is only " 3252 "valid when importing the pool\n")); 3253 usage(B_FALSE); 3254 } 3255 3256 argc -= optind; 3257 argv += optind; 3258 3259 if (argc < 1) { 3260 (void) fprintf(stderr, gettext("Missing pool name\n")); 3261 usage(B_FALSE); 3262 } 3263 if (argc < 2) { 3264 (void) fprintf(stderr, gettext("Missing new pool name\n")); 3265 usage(B_FALSE); 3266 } 3267 3268 srcpool = argv[0]; 3269 newpool = argv[1]; 3270 3271 argc -= 2; 3272 argv += 2; 3273 3274 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 3275 return (1); 3276 3277 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 3278 if (config == NULL) { 3279 ret = 1; 3280 } else { 3281 if (flags.dryrun) { 3282 (void) printf(gettext("would create '%s' with the " 3283 "following layout:\n\n"), newpool); 3284 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 3285 } 3286 nvlist_free(config); 3287 } 3288 3289 zpool_close(zhp); 3290 3291 if (ret != 0 || flags.dryrun || !flags.import) 3292 return (ret); 3293 3294 /* 3295 * The split was successful. Now we need to open the new 3296 * pool and import it. 3297 */ 3298 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 3299 return (1); 3300 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 3301 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 3302 ret = 1; 3303 (void) fprintf(stderr, gettext("Split was successful, but " 3304 "the datasets could not all be mounted\n")); 3305 (void) fprintf(stderr, gettext("Try doing '%s' with a " 3306 "different altroot\n"), "zpool import"); 3307 } 3308 zpool_close(zhp); 3309 3310 return (ret); 3311 } 3312 3313 3314 3315 /* 3316 * zpool online <pool> <device> ... 3317 */ 3318 int 3319 zpool_do_online(int argc, char **argv) 3320 { 3321 int c, i; 3322 char *poolname; 3323 zpool_handle_t *zhp; 3324 int ret = 0; 3325 vdev_state_t newstate; 3326 int flags = 0; 3327 3328 /* check options */ 3329 while ((c = getopt(argc, argv, "et")) != -1) { 3330 switch (c) { 3331 case 'e': 3332 flags |= ZFS_ONLINE_EXPAND; 3333 break; 3334 case 't': 3335 case '?': 3336 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3337 optopt); 3338 usage(B_FALSE); 3339 } 3340 } 3341 3342 argc -= optind; 3343 argv += optind; 3344 3345 /* get pool name and check number of arguments */ 3346 if (argc < 1) { 3347 (void) fprintf(stderr, gettext("missing pool name\n")); 3348 usage(B_FALSE); 3349 } 3350 if (argc < 2) { 3351 (void) fprintf(stderr, gettext("missing device name\n")); 3352 usage(B_FALSE); 3353 } 3354 3355 poolname = argv[0]; 3356 3357 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3358 return (1); 3359 3360 for (i = 1; i < argc; i++) { 3361 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3362 if (newstate != VDEV_STATE_HEALTHY) { 3363 (void) printf(gettext("warning: device '%s' " 3364 "onlined, but remains in faulted state\n"), 3365 argv[i]); 3366 if (newstate == VDEV_STATE_FAULTED) 3367 (void) printf(gettext("use 'zpool " 3368 "clear' to restore a faulted " 3369 "device\n")); 3370 else 3371 (void) printf(gettext("use 'zpool " 3372 "replace' to replace devices " 3373 "that are no longer present\n")); 3374 } 3375 } else { 3376 ret = 1; 3377 } 3378 } 3379 3380 zpool_close(zhp); 3381 3382 return (ret); 3383 } 3384 3385 /* 3386 * zpool offline [-ft] <pool> <device> ... 3387 * 3388 * -f Force the device into the offline state, even if doing 3389 * so would appear to compromise pool availability. 3390 * (not supported yet) 3391 * 3392 * -t Only take the device off-line temporarily. The offline 3393 * state will not be persistent across reboots. 3394 */ 3395 /* ARGSUSED */ 3396 int 3397 zpool_do_offline(int argc, char **argv) 3398 { 3399 int c, i; 3400 char *poolname; 3401 zpool_handle_t *zhp; 3402 int ret = 0; 3403 boolean_t istmp = B_FALSE; 3404 3405 /* check options */ 3406 while ((c = getopt(argc, argv, "ft")) != -1) { 3407 switch (c) { 3408 case 't': 3409 istmp = B_TRUE; 3410 break; 3411 case 'f': 3412 case '?': 3413 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3414 optopt); 3415 usage(B_FALSE); 3416 } 3417 } 3418 3419 argc -= optind; 3420 argv += optind; 3421 3422 /* get pool name and check number of arguments */ 3423 if (argc < 1) { 3424 (void) fprintf(stderr, gettext("missing pool name\n")); 3425 usage(B_FALSE); 3426 } 3427 if (argc < 2) { 3428 (void) fprintf(stderr, gettext("missing device name\n")); 3429 usage(B_FALSE); 3430 } 3431 3432 poolname = argv[0]; 3433 3434 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3435 return (1); 3436 3437 for (i = 1; i < argc; i++) { 3438 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3439 ret = 1; 3440 } 3441 3442 zpool_close(zhp); 3443 3444 return (ret); 3445 } 3446 3447 /* 3448 * zpool clear <pool> [device] 3449 * 3450 * Clear all errors associated with a pool or a particular device. 3451 */ 3452 int 3453 zpool_do_clear(int argc, char **argv) 3454 { 3455 int c; 3456 int ret = 0; 3457 boolean_t dryrun = B_FALSE; 3458 boolean_t do_rewind = B_FALSE; 3459 boolean_t xtreme_rewind = B_FALSE; 3460 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3461 nvlist_t *policy = NULL; 3462 zpool_handle_t *zhp; 3463 char *pool, *device; 3464 3465 /* check options */ 3466 while ((c = getopt(argc, argv, "FnX")) != -1) { 3467 switch (c) { 3468 case 'F': 3469 do_rewind = B_TRUE; 3470 break; 3471 case 'n': 3472 dryrun = B_TRUE; 3473 break; 3474 case 'X': 3475 xtreme_rewind = B_TRUE; 3476 break; 3477 case '?': 3478 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3479 optopt); 3480 usage(B_FALSE); 3481 } 3482 } 3483 3484 argc -= optind; 3485 argv += optind; 3486 3487 if (argc < 1) { 3488 (void) fprintf(stderr, gettext("missing pool name\n")); 3489 usage(B_FALSE); 3490 } 3491 3492 if (argc > 2) { 3493 (void) fprintf(stderr, gettext("too many arguments\n")); 3494 usage(B_FALSE); 3495 } 3496 3497 if ((dryrun || xtreme_rewind) && !do_rewind) { 3498 (void) fprintf(stderr, 3499 gettext("-n or -X only meaningful with -F\n")); 3500 usage(B_FALSE); 3501 } 3502 if (dryrun) 3503 rewind_policy = ZPOOL_TRY_REWIND; 3504 else if (do_rewind) 3505 rewind_policy = ZPOOL_DO_REWIND; 3506 if (xtreme_rewind) 3507 rewind_policy |= ZPOOL_EXTREME_REWIND; 3508 3509 /* In future, further rewind policy choices can be passed along here */ 3510 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3511 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3512 return (1); 3513 3514 pool = argv[0]; 3515 device = argc == 2 ? argv[1] : NULL; 3516 3517 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3518 nvlist_free(policy); 3519 return (1); 3520 } 3521 3522 if (zpool_clear(zhp, device, policy) != 0) 3523 ret = 1; 3524 3525 zpool_close(zhp); 3526 3527 nvlist_free(policy); 3528 3529 return (ret); 3530 } 3531 3532 /* 3533 * zpool reguid <pool> 3534 */ 3535 int 3536 zpool_do_reguid(int argc, char **argv) 3537 { 3538 int c; 3539 char *poolname; 3540 zpool_handle_t *zhp; 3541 int ret = 0; 3542 3543 /* check options */ 3544 while ((c = getopt(argc, argv, "")) != -1) { 3545 switch (c) { 3546 case '?': 3547 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3548 optopt); 3549 usage(B_FALSE); 3550 } 3551 } 3552 3553 argc -= optind; 3554 argv += optind; 3555 3556 /* get pool name and check number of arguments */ 3557 if (argc < 1) { 3558 (void) fprintf(stderr, gettext("missing pool name\n")); 3559 usage(B_FALSE); 3560 } 3561 3562 if (argc > 1) { 3563 (void) fprintf(stderr, gettext("too many arguments\n")); 3564 usage(B_FALSE); 3565 } 3566 3567 poolname = argv[0]; 3568 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3569 return (1); 3570 3571 ret = zpool_reguid(zhp); 3572 3573 zpool_close(zhp); 3574 return (ret); 3575 } 3576 3577 3578 /* 3579 * zpool reopen <pool> 3580 * 3581 * Reopen the pool so that the kernel can update the sizes of all vdevs. 3582 */ 3583 int 3584 zpool_do_reopen(int argc, char **argv) 3585 { 3586 int c; 3587 int ret = 0; 3588 zpool_handle_t *zhp; 3589 char *pool; 3590 3591 /* check options */ 3592 while ((c = getopt(argc, argv, "")) != -1) { 3593 switch (c) { 3594 case '?': 3595 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3596 optopt); 3597 usage(B_FALSE); 3598 } 3599 } 3600 3601 argc--; 3602 argv++; 3603 3604 if (argc < 1) { 3605 (void) fprintf(stderr, gettext("missing pool name\n")); 3606 usage(B_FALSE); 3607 } 3608 3609 if (argc > 1) { 3610 (void) fprintf(stderr, gettext("too many arguments\n")); 3611 usage(B_FALSE); 3612 } 3613 3614 pool = argv[0]; 3615 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) 3616 return (1); 3617 3618 ret = zpool_reopen(zhp); 3619 zpool_close(zhp); 3620 return (ret); 3621 } 3622 3623 typedef struct scrub_cbdata { 3624 int cb_type; 3625 int cb_argc; 3626 char **cb_argv; 3627 } scrub_cbdata_t; 3628 3629 int 3630 scrub_callback(zpool_handle_t *zhp, void *data) 3631 { 3632 scrub_cbdata_t *cb = data; 3633 int err; 3634 3635 /* 3636 * Ignore faulted pools. 3637 */ 3638 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3639 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3640 "currently unavailable\n"), zpool_get_name(zhp)); 3641 return (1); 3642 } 3643 3644 err = zpool_scan(zhp, cb->cb_type); 3645 3646 return (err != 0); 3647 } 3648 3649 /* 3650 * zpool scrub [-s] <pool> ... 3651 * 3652 * -s Stop. Stops any in-progress scrub. 3653 */ 3654 int 3655 zpool_do_scrub(int argc, char **argv) 3656 { 3657 int c; 3658 scrub_cbdata_t cb; 3659 3660 cb.cb_type = POOL_SCAN_SCRUB; 3661 3662 /* check options */ 3663 while ((c = getopt(argc, argv, "s")) != -1) { 3664 switch (c) { 3665 case 's': 3666 cb.cb_type = POOL_SCAN_NONE; 3667 break; 3668 case '?': 3669 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3670 optopt); 3671 usage(B_FALSE); 3672 } 3673 } 3674 3675 cb.cb_argc = argc; 3676 cb.cb_argv = argv; 3677 argc -= optind; 3678 argv += optind; 3679 3680 if (argc < 1) { 3681 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3682 usage(B_FALSE); 3683 } 3684 3685 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3686 } 3687 3688 typedef struct status_cbdata { 3689 int cb_count; 3690 boolean_t cb_allpools; 3691 boolean_t cb_verbose; 3692 boolean_t cb_explain; 3693 boolean_t cb_first; 3694 boolean_t cb_dedup_stats; 3695 } status_cbdata_t; 3696 3697 /* 3698 * Print out detailed scrub status. 3699 */ 3700 void 3701 print_scan_status(pool_scan_stat_t *ps) 3702 { 3703 time_t start, end; 3704 uint64_t elapsed, mins_left, hours_left; 3705 uint64_t pass_exam, examined, total; 3706 uint_t rate; 3707 double fraction_done; 3708 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3709 3710 (void) printf(gettext(" scan: ")); 3711 3712 /* If there's never been a scan, there's not much to say. */ 3713 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3714 ps->pss_func >= POOL_SCAN_FUNCS) { 3715 (void) printf(gettext("none requested\n")); 3716 return; 3717 } 3718 3719 start = ps->pss_start_time; 3720 end = ps->pss_end_time; 3721 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3722 3723 assert(ps->pss_func == POOL_SCAN_SCRUB || 3724 ps->pss_func == POOL_SCAN_RESILVER); 3725 /* 3726 * Scan is finished or canceled. 3727 */ 3728 if (ps->pss_state == DSS_FINISHED) { 3729 uint64_t minutes_taken = (end - start) / 60; 3730 char *fmt; 3731 3732 if (ps->pss_func == POOL_SCAN_SCRUB) { 3733 fmt = gettext("scrub repaired %s in %lluh%um with " 3734 "%llu errors on %s"); 3735 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3736 fmt = gettext("resilvered %s in %lluh%um with " 3737 "%llu errors on %s"); 3738 } 3739 /* LINTED */ 3740 (void) printf(fmt, processed_buf, 3741 (u_longlong_t)(minutes_taken / 60), 3742 (uint_t)(minutes_taken % 60), 3743 (u_longlong_t)ps->pss_errors, 3744 ctime((time_t *)&end)); 3745 return; 3746 } else if (ps->pss_state == DSS_CANCELED) { 3747 if (ps->pss_func == POOL_SCAN_SCRUB) { 3748 (void) printf(gettext("scrub canceled on %s"), 3749 ctime(&end)); 3750 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3751 (void) printf(gettext("resilver canceled on %s"), 3752 ctime(&end)); 3753 } 3754 return; 3755 } 3756 3757 assert(ps->pss_state == DSS_SCANNING); 3758 3759 /* 3760 * Scan is in progress. 3761 */ 3762 if (ps->pss_func == POOL_SCAN_SCRUB) { 3763 (void) printf(gettext("scrub in progress since %s"), 3764 ctime(&start)); 3765 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3766 (void) printf(gettext("resilver in progress since %s"), 3767 ctime(&start)); 3768 } 3769 3770 examined = ps->pss_examined ? ps->pss_examined : 1; 3771 total = ps->pss_to_examine; 3772 fraction_done = (double)examined / total; 3773 3774 /* elapsed time for this pass */ 3775 elapsed = time(NULL) - ps->pss_pass_start; 3776 elapsed = elapsed ? elapsed : 1; 3777 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3778 rate = pass_exam / elapsed; 3779 rate = rate ? rate : 1; 3780 mins_left = ((total - examined) / rate) / 60; 3781 hours_left = mins_left / 60; 3782 3783 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3784 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3785 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3786 3787 /* 3788 * do not print estimated time if hours_left is more than 30 days 3789 */ 3790 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3791 examined_buf, total_buf, rate_buf); 3792 if (hours_left < (30 * 24)) { 3793 (void) printf(gettext(", %lluh%um to go\n"), 3794 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3795 } else { 3796 (void) printf(gettext( 3797 ", (scan is slow, no estimated time)\n")); 3798 } 3799 3800 if (ps->pss_func == POOL_SCAN_RESILVER) { 3801 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3802 processed_buf, 100 * fraction_done); 3803 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3804 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3805 processed_buf, 100 * fraction_done); 3806 } 3807 } 3808 3809 static void 3810 print_error_log(zpool_handle_t *zhp) 3811 { 3812 nvlist_t *nverrlist = NULL; 3813 nvpair_t *elem; 3814 char *pathname; 3815 size_t len = MAXPATHLEN * 2; 3816 3817 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3818 (void) printf("errors: List of errors unavailable " 3819 "(insufficient privileges)\n"); 3820 return; 3821 } 3822 3823 (void) printf("errors: Permanent errors have been " 3824 "detected in the following files:\n\n"); 3825 3826 pathname = safe_malloc(len); 3827 elem = NULL; 3828 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3829 nvlist_t *nv; 3830 uint64_t dsobj, obj; 3831 3832 verify(nvpair_value_nvlist(elem, &nv) == 0); 3833 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3834 &dsobj) == 0); 3835 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3836 &obj) == 0); 3837 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3838 (void) printf("%7s %s\n", "", pathname); 3839 } 3840 free(pathname); 3841 nvlist_free(nverrlist); 3842 } 3843 3844 static void 3845 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3846 int namewidth) 3847 { 3848 uint_t i; 3849 char *name; 3850 3851 if (nspares == 0) 3852 return; 3853 3854 (void) printf(gettext("\tspares\n")); 3855 3856 for (i = 0; i < nspares; i++) { 3857 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3858 print_status_config(zhp, name, spares[i], 3859 namewidth, 2, B_TRUE); 3860 free(name); 3861 } 3862 } 3863 3864 static void 3865 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3866 int namewidth) 3867 { 3868 uint_t i; 3869 char *name; 3870 3871 if (nl2cache == 0) 3872 return; 3873 3874 (void) printf(gettext("\tcache\n")); 3875 3876 for (i = 0; i < nl2cache; i++) { 3877 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3878 print_status_config(zhp, name, l2cache[i], 3879 namewidth, 2, B_FALSE); 3880 free(name); 3881 } 3882 } 3883 3884 static void 3885 print_dedup_stats(nvlist_t *config) 3886 { 3887 ddt_histogram_t *ddh; 3888 ddt_stat_t *dds; 3889 ddt_object_t *ddo; 3890 uint_t c; 3891 3892 /* 3893 * If the pool was faulted then we may not have been able to 3894 * obtain the config. Otherwise, if we have anything in the dedup 3895 * table continue processing the stats. 3896 */ 3897 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3898 (uint64_t **)&ddo, &c) != 0) 3899 return; 3900 3901 (void) printf("\n"); 3902 (void) printf(gettext(" dedup: ")); 3903 if (ddo->ddo_count == 0) { 3904 (void) printf(gettext("no DDT entries\n")); 3905 return; 3906 } 3907 3908 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3909 (u_longlong_t)ddo->ddo_count, 3910 (u_longlong_t)ddo->ddo_dspace, 3911 (u_longlong_t)ddo->ddo_mspace); 3912 3913 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3914 (uint64_t **)&dds, &c) == 0); 3915 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3916 (uint64_t **)&ddh, &c) == 0); 3917 zpool_dump_ddt(dds, ddh); 3918 } 3919 3920 /* 3921 * Display a summary of pool status. Displays a summary such as: 3922 * 3923 * pool: tank 3924 * status: DEGRADED 3925 * reason: One or more devices ... 3926 * see: http://illumos.org/msg/ZFS-xxxx-01 3927 * config: 3928 * mirror DEGRADED 3929 * c1t0d0 OK 3930 * c2t0d0 UNAVAIL 3931 * 3932 * When given the '-v' option, we print out the complete config. If the '-e' 3933 * option is specified, then we print out error rate information as well. 3934 */ 3935 int 3936 status_callback(zpool_handle_t *zhp, void *data) 3937 { 3938 status_cbdata_t *cbp = data; 3939 nvlist_t *config, *nvroot; 3940 char *msgid; 3941 int reason; 3942 const char *health; 3943 uint_t c; 3944 vdev_stat_t *vs; 3945 3946 config = zpool_get_config(zhp, NULL); 3947 reason = zpool_get_status(zhp, &msgid); 3948 3949 cbp->cb_count++; 3950 3951 /* 3952 * If we were given 'zpool status -x', only report those pools with 3953 * problems. 3954 */ 3955 if (cbp->cb_explain && 3956 (reason == ZPOOL_STATUS_OK || 3957 reason == ZPOOL_STATUS_VERSION_OLDER || 3958 reason == ZPOOL_STATUS_FEAT_DISABLED)) { 3959 if (!cbp->cb_allpools) { 3960 (void) printf(gettext("pool '%s' is healthy\n"), 3961 zpool_get_name(zhp)); 3962 if (cbp->cb_first) 3963 cbp->cb_first = B_FALSE; 3964 } 3965 return (0); 3966 } 3967 3968 if (cbp->cb_first) 3969 cbp->cb_first = B_FALSE; 3970 else 3971 (void) printf("\n"); 3972 3973 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3974 &nvroot) == 0); 3975 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3976 (uint64_t **)&vs, &c) == 0); 3977 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3978 3979 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3980 (void) printf(gettext(" state: %s\n"), health); 3981 3982 switch (reason) { 3983 case ZPOOL_STATUS_MISSING_DEV_R: 3984 (void) printf(gettext("status: One or more devices could not " 3985 "be opened. Sufficient replicas exist for\n\tthe pool to " 3986 "continue functioning in a degraded state.\n")); 3987 (void) printf(gettext("action: Attach the missing device and " 3988 "online it using 'zpool online'.\n")); 3989 break; 3990 3991 case ZPOOL_STATUS_MISSING_DEV_NR: 3992 (void) printf(gettext("status: One or more devices could not " 3993 "be opened. There are insufficient\n\treplicas for the " 3994 "pool to continue functioning.\n")); 3995 (void) printf(gettext("action: Attach the missing device and " 3996 "online it using 'zpool online'.\n")); 3997 break; 3998 3999 case ZPOOL_STATUS_CORRUPT_LABEL_R: 4000 (void) printf(gettext("status: One or more devices could not " 4001 "be used because the label is missing or\n\tinvalid. " 4002 "Sufficient replicas exist for the pool to continue\n\t" 4003 "functioning in a degraded state.\n")); 4004 (void) printf(gettext("action: Replace the device using " 4005 "'zpool replace'.\n")); 4006 break; 4007 4008 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 4009 (void) printf(gettext("status: One or more devices could not " 4010 "be used because the label is missing \n\tor invalid. " 4011 "There are insufficient replicas for the pool to " 4012 "continue\n\tfunctioning.\n")); 4013 zpool_explain_recover(zpool_get_handle(zhp), 4014 zpool_get_name(zhp), reason, config); 4015 break; 4016 4017 case ZPOOL_STATUS_FAILING_DEV: 4018 (void) printf(gettext("status: One or more devices has " 4019 "experienced an unrecoverable error. An\n\tattempt was " 4020 "made to correct the error. Applications are " 4021 "unaffected.\n")); 4022 (void) printf(gettext("action: Determine if the device needs " 4023 "to be replaced, and clear the errors\n\tusing " 4024 "'zpool clear' or replace the device with 'zpool " 4025 "replace'.\n")); 4026 break; 4027 4028 case ZPOOL_STATUS_OFFLINE_DEV: 4029 (void) printf(gettext("status: One or more devices has " 4030 "been taken offline by the administrator.\n\tSufficient " 4031 "replicas exist for the pool to continue functioning in " 4032 "a\n\tdegraded state.\n")); 4033 (void) printf(gettext("action: Online the device using " 4034 "'zpool online' or replace the device with\n\t'zpool " 4035 "replace'.\n")); 4036 break; 4037 4038 case ZPOOL_STATUS_REMOVED_DEV: 4039 (void) printf(gettext("status: One or more devices has " 4040 "been removed by the administrator.\n\tSufficient " 4041 "replicas exist for the pool to continue functioning in " 4042 "a\n\tdegraded state.\n")); 4043 (void) printf(gettext("action: Online the device using " 4044 "'zpool online' or replace the device with\n\t'zpool " 4045 "replace'.\n")); 4046 break; 4047 4048 case ZPOOL_STATUS_RESILVERING: 4049 (void) printf(gettext("status: One or more devices is " 4050 "currently being resilvered. The pool will\n\tcontinue " 4051 "to function, possibly in a degraded state.\n")); 4052 (void) printf(gettext("action: Wait for the resilver to " 4053 "complete.\n")); 4054 break; 4055 4056 case ZPOOL_STATUS_CORRUPT_DATA: 4057 (void) printf(gettext("status: One or more devices has " 4058 "experienced an error resulting in data\n\tcorruption. " 4059 "Applications may be affected.\n")); 4060 (void) printf(gettext("action: Restore the file in question " 4061 "if possible. Otherwise restore the\n\tentire pool from " 4062 "backup.\n")); 4063 break; 4064 4065 case ZPOOL_STATUS_CORRUPT_POOL: 4066 (void) printf(gettext("status: The pool metadata is corrupted " 4067 "and the pool cannot be opened.\n")); 4068 zpool_explain_recover(zpool_get_handle(zhp), 4069 zpool_get_name(zhp), reason, config); 4070 break; 4071 4072 case ZPOOL_STATUS_VERSION_OLDER: 4073 (void) printf(gettext("status: The pool is formatted using a " 4074 "legacy on-disk format. The pool can\n\tstill be used, " 4075 "but some features are unavailable.\n")); 4076 (void) printf(gettext("action: Upgrade the pool using 'zpool " 4077 "upgrade'. Once this is done, the\n\tpool will no longer " 4078 "be accessible on software that does not support feature\n" 4079 "\tflags.\n")); 4080 break; 4081 4082 case ZPOOL_STATUS_VERSION_NEWER: 4083 (void) printf(gettext("status: The pool has been upgraded to a " 4084 "newer, incompatible on-disk version.\n\tThe pool cannot " 4085 "be accessed on this system.\n")); 4086 (void) printf(gettext("action: Access the pool from a system " 4087 "running more recent software, or\n\trestore the pool from " 4088 "backup.\n")); 4089 break; 4090 4091 case ZPOOL_STATUS_FEAT_DISABLED: 4092 (void) printf(gettext("status: Some supported features are not " 4093 "enabled on the pool. The pool can\n\tstill be used, but " 4094 "some features are unavailable.\n")); 4095 (void) printf(gettext("action: Enable all features using " 4096 "'zpool upgrade'. Once this is done,\n\tthe pool may no " 4097 "longer be accessible by software that does not support\n\t" 4098 "the features. See zpool-features(5) for details.\n")); 4099 break; 4100 4101 case ZPOOL_STATUS_UNSUP_FEAT_READ: 4102 (void) printf(gettext("status: The pool cannot be accessed on " 4103 "this system because it uses the\n\tfollowing feature(s) " 4104 "not supported on this system:\n")); 4105 zpool_print_unsup_feat(config); 4106 (void) printf("\n"); 4107 (void) printf(gettext("action: Access the pool from a system " 4108 "that supports the required feature(s),\n\tor restore the " 4109 "pool from backup.\n")); 4110 break; 4111 4112 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 4113 (void) printf(gettext("status: The pool can only be accessed " 4114 "in read-only mode on this system. It\n\tcannot be " 4115 "accessed in read-write mode because it uses the " 4116 "following\n\tfeature(s) not supported on this system:\n")); 4117 zpool_print_unsup_feat(config); 4118 (void) printf("\n"); 4119 (void) printf(gettext("action: The pool cannot be accessed in " 4120 "read-write mode. Import the pool with\n" 4121 "\t\"-o readonly=on\", access the pool from a system that " 4122 "supports the\n\trequired feature(s), or restore the " 4123 "pool from backup.\n")); 4124 break; 4125 4126 case ZPOOL_STATUS_FAULTED_DEV_R: 4127 (void) printf(gettext("status: One or more devices are " 4128 "faulted in response to persistent errors.\n\tSufficient " 4129 "replicas exist for the pool to continue functioning " 4130 "in a\n\tdegraded state.\n")); 4131 (void) printf(gettext("action: Replace the faulted device, " 4132 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 4133 break; 4134 4135 case ZPOOL_STATUS_FAULTED_DEV_NR: 4136 (void) printf(gettext("status: One or more devices are " 4137 "faulted in response to persistent errors. There are " 4138 "insufficient replicas for the pool to\n\tcontinue " 4139 "functioning.\n")); 4140 (void) printf(gettext("action: Destroy and re-create the pool " 4141 "from a backup source. Manually marking the device\n" 4142 "\trepaired using 'zpool clear' may allow some data " 4143 "to be recovered.\n")); 4144 break; 4145 4146 case ZPOOL_STATUS_IO_FAILURE_WAIT: 4147 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 4148 (void) printf(gettext("status: One or more devices are " 4149 "faulted in response to IO failures.\n")); 4150 (void) printf(gettext("action: Make sure the affected devices " 4151 "are connected, then run 'zpool clear'.\n")); 4152 break; 4153 4154 case ZPOOL_STATUS_BAD_LOG: 4155 (void) printf(gettext("status: An intent log record " 4156 "could not be read.\n" 4157 "\tWaiting for adminstrator intervention to fix the " 4158 "faulted pool.\n")); 4159 (void) printf(gettext("action: Either restore the affected " 4160 "device(s) and run 'zpool online',\n" 4161 "\tor ignore the intent log records by running " 4162 "'zpool clear'.\n")); 4163 break; 4164 4165 default: 4166 /* 4167 * The remaining errors can't actually be generated, yet. 4168 */ 4169 assert(reason == ZPOOL_STATUS_OK); 4170 } 4171 4172 if (msgid != NULL) 4173 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 4174 msgid); 4175 4176 if (config != NULL) { 4177 int namewidth; 4178 uint64_t nerr; 4179 nvlist_t **spares, **l2cache; 4180 uint_t nspares, nl2cache; 4181 pool_scan_stat_t *ps = NULL; 4182 4183 (void) nvlist_lookup_uint64_array(nvroot, 4184 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 4185 print_scan_status(ps); 4186 4187 namewidth = max_width(zhp, nvroot, 0, 0); 4188 if (namewidth < 10) 4189 namewidth = 10; 4190 4191 (void) printf(gettext("config:\n\n")); 4192 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 4193 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 4194 print_status_config(zhp, zpool_get_name(zhp), nvroot, 4195 namewidth, 0, B_FALSE); 4196 4197 if (num_logs(nvroot) > 0) 4198 print_logs(zhp, nvroot, namewidth, B_TRUE); 4199 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 4200 &l2cache, &nl2cache) == 0) 4201 print_l2cache(zhp, l2cache, nl2cache, namewidth); 4202 4203 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 4204 &spares, &nspares) == 0) 4205 print_spares(zhp, spares, nspares, namewidth); 4206 4207 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 4208 &nerr) == 0) { 4209 nvlist_t *nverrlist = NULL; 4210 4211 /* 4212 * If the approximate error count is small, get a 4213 * precise count by fetching the entire log and 4214 * uniquifying the results. 4215 */ 4216 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 4217 zpool_get_errlog(zhp, &nverrlist) == 0) { 4218 nvpair_t *elem; 4219 4220 elem = NULL; 4221 nerr = 0; 4222 while ((elem = nvlist_next_nvpair(nverrlist, 4223 elem)) != NULL) { 4224 nerr++; 4225 } 4226 } 4227 nvlist_free(nverrlist); 4228 4229 (void) printf("\n"); 4230 4231 if (nerr == 0) 4232 (void) printf(gettext("errors: No known data " 4233 "errors\n")); 4234 else if (!cbp->cb_verbose) 4235 (void) printf(gettext("errors: %llu data " 4236 "errors, use '-v' for a list\n"), 4237 (u_longlong_t)nerr); 4238 else 4239 print_error_log(zhp); 4240 } 4241 4242 if (cbp->cb_dedup_stats) 4243 print_dedup_stats(config); 4244 } else { 4245 (void) printf(gettext("config: The configuration cannot be " 4246 "determined.\n")); 4247 } 4248 4249 return (0); 4250 } 4251 4252 /* 4253 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 4254 * 4255 * -v Display complete error logs 4256 * -x Display only pools with potential problems 4257 * -D Display dedup status (undocumented) 4258 * -T Display a timestamp in date(1) or Unix format 4259 * 4260 * Describes the health status of all pools or some subset. 4261 */ 4262 int 4263 zpool_do_status(int argc, char **argv) 4264 { 4265 int c; 4266 int ret; 4267 unsigned long interval = 0, count = 0; 4268 status_cbdata_t cb = { 0 }; 4269 4270 /* check options */ 4271 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 4272 switch (c) { 4273 case 'v': 4274 cb.cb_verbose = B_TRUE; 4275 break; 4276 case 'x': 4277 cb.cb_explain = B_TRUE; 4278 break; 4279 case 'D': 4280 cb.cb_dedup_stats = B_TRUE; 4281 break; 4282 case 'T': 4283 get_timestamp_arg(*optarg); 4284 break; 4285 case '?': 4286 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4287 optopt); 4288 usage(B_FALSE); 4289 } 4290 } 4291 4292 argc -= optind; 4293 argv += optind; 4294 4295 get_interval_count(&argc, argv, &interval, &count); 4296 4297 if (argc == 0) 4298 cb.cb_allpools = B_TRUE; 4299 4300 cb.cb_first = B_TRUE; 4301 4302 for (;;) { 4303 if (timestamp_fmt != NODATE) 4304 print_timestamp(timestamp_fmt); 4305 4306 ret = for_each_pool(argc, argv, B_TRUE, NULL, 4307 status_callback, &cb); 4308 4309 if (argc == 0 && cb.cb_count == 0) 4310 (void) printf(gettext("no pools available\n")); 4311 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 4312 (void) printf(gettext("all pools are healthy\n")); 4313 4314 if (ret != 0) 4315 return (ret); 4316 4317 if (interval == 0) 4318 break; 4319 4320 if (count != 0 && --count == 0) 4321 break; 4322 4323 (void) sleep(interval); 4324 } 4325 4326 return (0); 4327 } 4328 4329 typedef struct upgrade_cbdata { 4330 int cb_first; 4331 int cb_argc; 4332 uint64_t cb_version; 4333 char **cb_argv; 4334 } upgrade_cbdata_t; 4335 4336 static int 4337 upgrade_version(zpool_handle_t *zhp, uint64_t version) 4338 { 4339 int ret; 4340 nvlist_t *config; 4341 uint64_t oldversion; 4342 4343 config = zpool_get_config(zhp, NULL); 4344 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4345 &oldversion) == 0); 4346 4347 assert(SPA_VERSION_IS_SUPPORTED(oldversion)); 4348 assert(oldversion < version); 4349 4350 ret = zpool_upgrade(zhp, version); 4351 if (ret != 0) 4352 return (ret); 4353 4354 if (version >= SPA_VERSION_FEATURES) { 4355 (void) printf(gettext("Successfully upgraded " 4356 "'%s' from version %llu to feature flags.\n"), 4357 zpool_get_name(zhp), oldversion); 4358 } else { 4359 (void) printf(gettext("Successfully upgraded " 4360 "'%s' from version %llu to version %llu.\n"), 4361 zpool_get_name(zhp), oldversion, version); 4362 } 4363 4364 return (0); 4365 } 4366 4367 static int 4368 upgrade_enable_all(zpool_handle_t *zhp, int *countp) 4369 { 4370 int i, ret, count; 4371 boolean_t firstff = B_TRUE; 4372 nvlist_t *enabled = zpool_get_features(zhp); 4373 4374 count = 0; 4375 for (i = 0; i < SPA_FEATURES; i++) { 4376 const char *fname = spa_feature_table[i].fi_uname; 4377 const char *fguid = spa_feature_table[i].fi_guid; 4378 if (!nvlist_exists(enabled, fguid)) { 4379 char *propname; 4380 verify(-1 != asprintf(&propname, "feature@%s", fname)); 4381 ret = zpool_set_prop(zhp, propname, 4382 ZFS_FEATURE_ENABLED); 4383 if (ret != 0) { 4384 free(propname); 4385 return (ret); 4386 } 4387 count++; 4388 4389 if (firstff) { 4390 (void) printf(gettext("Enabled the " 4391 "following features on '%s':\n"), 4392 zpool_get_name(zhp)); 4393 firstff = B_FALSE; 4394 } 4395 (void) printf(gettext(" %s\n"), fname); 4396 free(propname); 4397 } 4398 } 4399 4400 if (countp != NULL) 4401 *countp = count; 4402 return (0); 4403 } 4404 4405 static int 4406 upgrade_cb(zpool_handle_t *zhp, void *arg) 4407 { 4408 upgrade_cbdata_t *cbp = arg; 4409 nvlist_t *config; 4410 uint64_t version; 4411 boolean_t printnl = B_FALSE; 4412 int ret; 4413 4414 config = zpool_get_config(zhp, NULL); 4415 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4416 &version) == 0); 4417 4418 assert(SPA_VERSION_IS_SUPPORTED(version)); 4419 4420 if (version < cbp->cb_version) { 4421 cbp->cb_first = B_FALSE; 4422 ret = upgrade_version(zhp, cbp->cb_version); 4423 if (ret != 0) 4424 return (ret); 4425 printnl = B_TRUE; 4426 4427 /* 4428 * If they did "zpool upgrade -a", then we could 4429 * be doing ioctls to different pools. We need 4430 * to log this history once to each pool, and bypass 4431 * the normal history logging that happens in main(). 4432 */ 4433 (void) zpool_log_history(g_zfs, history_str); 4434 log_history = B_FALSE; 4435 } 4436 4437 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4438 int count; 4439 ret = upgrade_enable_all(zhp, &count); 4440 if (ret != 0) 4441 return (ret); 4442 4443 if (count > 0) { 4444 cbp->cb_first = B_FALSE; 4445 printnl = B_TRUE; 4446 } 4447 } 4448 4449 if (printnl) { 4450 (void) printf(gettext("\n")); 4451 } 4452 4453 return (0); 4454 } 4455 4456 static int 4457 upgrade_list_older_cb(zpool_handle_t *zhp, void *arg) 4458 { 4459 upgrade_cbdata_t *cbp = arg; 4460 nvlist_t *config; 4461 uint64_t version; 4462 4463 config = zpool_get_config(zhp, NULL); 4464 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4465 &version) == 0); 4466 4467 assert(SPA_VERSION_IS_SUPPORTED(version)); 4468 4469 if (version < SPA_VERSION_FEATURES) { 4470 if (cbp->cb_first) { 4471 (void) printf(gettext("The following pools are " 4472 "formatted with legacy version numbers and can\n" 4473 "be upgraded to use feature flags. After " 4474 "being upgraded, these pools\nwill no " 4475 "longer be accessible by software that does not " 4476 "support feature\nflags.\n\n")); 4477 (void) printf(gettext("VER POOL\n")); 4478 (void) printf(gettext("--- ------------\n")); 4479 cbp->cb_first = B_FALSE; 4480 } 4481 4482 (void) printf("%2llu %s\n", (u_longlong_t)version, 4483 zpool_get_name(zhp)); 4484 } 4485 4486 return (0); 4487 } 4488 4489 static int 4490 upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg) 4491 { 4492 upgrade_cbdata_t *cbp = arg; 4493 nvlist_t *config; 4494 uint64_t version; 4495 4496 config = zpool_get_config(zhp, NULL); 4497 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4498 &version) == 0); 4499 4500 if (version >= SPA_VERSION_FEATURES) { 4501 int i; 4502 boolean_t poolfirst = B_TRUE; 4503 nvlist_t *enabled = zpool_get_features(zhp); 4504 4505 for (i = 0; i < SPA_FEATURES; i++) { 4506 const char *fguid = spa_feature_table[i].fi_guid; 4507 const char *fname = spa_feature_table[i].fi_uname; 4508 if (!nvlist_exists(enabled, fguid)) { 4509 if (cbp->cb_first) { 4510 (void) printf(gettext("\nSome " 4511 "supported features are not " 4512 "enabled on the following pools. " 4513 "Once a\nfeature is enabled the " 4514 "pool may become incompatible with " 4515 "software\nthat does not support " 4516 "the feature. See " 4517 "zpool-features(5) for " 4518 "details.\n\n")); 4519 (void) printf(gettext("POOL " 4520 "FEATURE\n")); 4521 (void) printf(gettext("------" 4522 "---------\n")); 4523 cbp->cb_first = B_FALSE; 4524 } 4525 4526 if (poolfirst) { 4527 (void) printf(gettext("%s\n"), 4528 zpool_get_name(zhp)); 4529 poolfirst = B_FALSE; 4530 } 4531 4532 (void) printf(gettext(" %s\n"), fname); 4533 } 4534 } 4535 } 4536 4537 return (0); 4538 } 4539 4540 /* ARGSUSED */ 4541 static int 4542 upgrade_one(zpool_handle_t *zhp, void *data) 4543 { 4544 boolean_t printnl = B_FALSE; 4545 upgrade_cbdata_t *cbp = data; 4546 uint64_t cur_version; 4547 int ret; 4548 4549 if (strcmp("log", zpool_get_name(zhp)) == 0) { 4550 (void) printf(gettext("'log' is now a reserved word\n" 4551 "Pool 'log' must be renamed using export and import" 4552 " to upgrade.\n")); 4553 return (1); 4554 } 4555 4556 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 4557 if (cur_version > cbp->cb_version) { 4558 (void) printf(gettext("Pool '%s' is already formatted " 4559 "using more current version '%llu'.\n\n"), 4560 zpool_get_name(zhp), cur_version); 4561 return (0); 4562 } 4563 4564 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) { 4565 (void) printf(gettext("Pool '%s' is already formatted " 4566 "using version %llu.\n\n"), zpool_get_name(zhp), 4567 cbp->cb_version); 4568 return (0); 4569 } 4570 4571 if (cur_version != cbp->cb_version) { 4572 printnl = B_TRUE; 4573 ret = upgrade_version(zhp, cbp->cb_version); 4574 if (ret != 0) 4575 return (ret); 4576 } 4577 4578 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4579 int count = 0; 4580 ret = upgrade_enable_all(zhp, &count); 4581 if (ret != 0) 4582 return (ret); 4583 4584 if (count != 0) { 4585 printnl = B_TRUE; 4586 } else if (cur_version == SPA_VERSION) { 4587 (void) printf(gettext("Pool '%s' already has all " 4588 "supported features enabled.\n"), 4589 zpool_get_name(zhp)); 4590 } 4591 } 4592 4593 if (printnl) { 4594 (void) printf(gettext("\n")); 4595 } 4596 4597 return (0); 4598 } 4599 4600 /* 4601 * zpool upgrade 4602 * zpool upgrade -v 4603 * zpool upgrade [-V version] <-a | pool ...> 4604 * 4605 * With no arguments, display downrev'd ZFS pool available for upgrade. 4606 * Individual pools can be upgraded by specifying the pool, and '-a' will 4607 * upgrade all pools. 4608 */ 4609 int 4610 zpool_do_upgrade(int argc, char **argv) 4611 { 4612 int c; 4613 upgrade_cbdata_t cb = { 0 }; 4614 int ret = 0; 4615 boolean_t showversions = B_FALSE; 4616 boolean_t upgradeall = B_FALSE; 4617 char *end; 4618 4619 4620 /* check options */ 4621 while ((c = getopt(argc, argv, ":avV:")) != -1) { 4622 switch (c) { 4623 case 'a': 4624 upgradeall = B_TRUE; 4625 break; 4626 case 'v': 4627 showversions = B_TRUE; 4628 break; 4629 case 'V': 4630 cb.cb_version = strtoll(optarg, &end, 10); 4631 if (*end != '\0' || 4632 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) { 4633 (void) fprintf(stderr, 4634 gettext("invalid version '%s'\n"), optarg); 4635 usage(B_FALSE); 4636 } 4637 break; 4638 case ':': 4639 (void) fprintf(stderr, gettext("missing argument for " 4640 "'%c' option\n"), optopt); 4641 usage(B_FALSE); 4642 break; 4643 case '?': 4644 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4645 optopt); 4646 usage(B_FALSE); 4647 } 4648 } 4649 4650 cb.cb_argc = argc; 4651 cb.cb_argv = argv; 4652 argc -= optind; 4653 argv += optind; 4654 4655 if (cb.cb_version == 0) { 4656 cb.cb_version = SPA_VERSION; 4657 } else if (!upgradeall && argc == 0) { 4658 (void) fprintf(stderr, gettext("-V option is " 4659 "incompatible with other arguments\n")); 4660 usage(B_FALSE); 4661 } 4662 4663 if (showversions) { 4664 if (upgradeall || argc != 0) { 4665 (void) fprintf(stderr, gettext("-v option is " 4666 "incompatible with other arguments\n")); 4667 usage(B_FALSE); 4668 } 4669 } else if (upgradeall) { 4670 if (argc != 0) { 4671 (void) fprintf(stderr, gettext("-a option should not " 4672 "be used along with a pool name\n")); 4673 usage(B_FALSE); 4674 } 4675 } 4676 4677 (void) printf(gettext("This system supports ZFS pool feature " 4678 "flags.\n\n")); 4679 if (showversions) { 4680 int i; 4681 4682 (void) printf(gettext("The following features are " 4683 "supported:\n\n")); 4684 (void) printf(gettext("FEAT DESCRIPTION\n")); 4685 (void) printf("----------------------------------------------" 4686 "---------------\n"); 4687 for (i = 0; i < SPA_FEATURES; i++) { 4688 zfeature_info_t *fi = &spa_feature_table[i]; 4689 const char *ro = fi->fi_can_readonly ? 4690 " (read-only compatible)" : ""; 4691 4692 (void) printf("%-37s%s\n", fi->fi_uname, ro); 4693 (void) printf(" %s\n", fi->fi_desc); 4694 } 4695 (void) printf("\n"); 4696 4697 (void) printf(gettext("The following legacy versions are also " 4698 "supported:\n\n")); 4699 (void) printf(gettext("VER DESCRIPTION\n")); 4700 (void) printf("--- -----------------------------------------" 4701 "---------------\n"); 4702 (void) printf(gettext(" 1 Initial ZFS version\n")); 4703 (void) printf(gettext(" 2 Ditto blocks " 4704 "(replicated metadata)\n")); 4705 (void) printf(gettext(" 3 Hot spares and double parity " 4706 "RAID-Z\n")); 4707 (void) printf(gettext(" 4 zpool history\n")); 4708 (void) printf(gettext(" 5 Compression using the gzip " 4709 "algorithm\n")); 4710 (void) printf(gettext(" 6 bootfs pool property\n")); 4711 (void) printf(gettext(" 7 Separate intent log devices\n")); 4712 (void) printf(gettext(" 8 Delegated administration\n")); 4713 (void) printf(gettext(" 9 refquota and refreservation " 4714 "properties\n")); 4715 (void) printf(gettext(" 10 Cache devices\n")); 4716 (void) printf(gettext(" 11 Improved scrub performance\n")); 4717 (void) printf(gettext(" 12 Snapshot properties\n")); 4718 (void) printf(gettext(" 13 snapused property\n")); 4719 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4720 (void) printf(gettext(" 15 user/group space accounting\n")); 4721 (void) printf(gettext(" 16 stmf property support\n")); 4722 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4723 (void) printf(gettext(" 18 Snapshot user holds\n")); 4724 (void) printf(gettext(" 19 Log device removal\n")); 4725 (void) printf(gettext(" 20 Compression using zle " 4726 "(zero-length encoding)\n")); 4727 (void) printf(gettext(" 21 Deduplication\n")); 4728 (void) printf(gettext(" 22 Received properties\n")); 4729 (void) printf(gettext(" 23 Slim ZIL\n")); 4730 (void) printf(gettext(" 24 System attributes\n")); 4731 (void) printf(gettext(" 25 Improved scrub stats\n")); 4732 (void) printf(gettext(" 26 Improved snapshot deletion " 4733 "performance\n")); 4734 (void) printf(gettext(" 27 Improved snapshot creation " 4735 "performance\n")); 4736 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4737 (void) printf(gettext("\nFor more information on a particular " 4738 "version, including supported releases,\n")); 4739 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4740 } else if (argc == 0 && upgradeall) { 4741 cb.cb_first = B_TRUE; 4742 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4743 if (ret == 0 && cb.cb_first) { 4744 if (cb.cb_version == SPA_VERSION) { 4745 (void) printf(gettext("All pools are already " 4746 "formatted using feature flags.\n\n")); 4747 (void) printf(gettext("Every feature flags " 4748 "pool already has all supported features " 4749 "enabled.\n")); 4750 } else { 4751 (void) printf(gettext("All pools are already " 4752 "formatted with version %llu or higher.\n"), 4753 cb.cb_version); 4754 } 4755 } 4756 } else if (argc == 0) { 4757 cb.cb_first = B_TRUE; 4758 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb); 4759 assert(ret == 0); 4760 4761 if (cb.cb_first) { 4762 (void) printf(gettext("All pools are formatted " 4763 "using feature flags.\n\n")); 4764 } else { 4765 (void) printf(gettext("\nUse 'zpool upgrade -v' " 4766 "for a list of available legacy versions.\n")); 4767 } 4768 4769 cb.cb_first = B_TRUE; 4770 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb); 4771 assert(ret == 0); 4772 4773 if (cb.cb_first) { 4774 (void) printf(gettext("Every feature flags pool has " 4775 "all supported features enabled.\n")); 4776 } else { 4777 (void) printf(gettext("\n")); 4778 } 4779 } else { 4780 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4781 upgrade_one, &cb); 4782 } 4783 4784 return (ret); 4785 } 4786 4787 typedef struct hist_cbdata { 4788 boolean_t first; 4789 boolean_t longfmt; 4790 boolean_t internal; 4791 } hist_cbdata_t; 4792 4793 /* 4794 * Print out the command history for a specific pool. 4795 */ 4796 static int 4797 get_history_one(zpool_handle_t *zhp, void *data) 4798 { 4799 nvlist_t *nvhis; 4800 nvlist_t **records; 4801 uint_t numrecords; 4802 int ret, i; 4803 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4804 4805 cb->first = B_FALSE; 4806 4807 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4808 4809 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4810 return (ret); 4811 4812 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4813 &records, &numrecords) == 0); 4814 for (i = 0; i < numrecords; i++) { 4815 nvlist_t *rec = records[i]; 4816 char tbuf[30] = ""; 4817 4818 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) { 4819 time_t tsec; 4820 struct tm t; 4821 4822 tsec = fnvlist_lookup_uint64(records[i], 4823 ZPOOL_HIST_TIME); 4824 (void) localtime_r(&tsec, &t); 4825 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4826 } 4827 4828 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) { 4829 (void) printf("%s %s", tbuf, 4830 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD)); 4831 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) { 4832 int ievent = 4833 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT); 4834 if (!cb->internal) 4835 continue; 4836 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) { 4837 (void) printf("%s unrecognized record:\n", 4838 tbuf); 4839 dump_nvlist(rec, 4); 4840 continue; 4841 } 4842 (void) printf("%s [internal %s txg:%lld] %s", tbuf, 4843 zfs_history_event_names[ievent], 4844 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 4845 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR)); 4846 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) { 4847 if (!cb->internal) 4848 continue; 4849 (void) printf("%s [txg:%lld] %s", tbuf, 4850 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 4851 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME)); 4852 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) { 4853 (void) printf(" %s (%llu)", 4854 fnvlist_lookup_string(rec, 4855 ZPOOL_HIST_DSNAME), 4856 fnvlist_lookup_uint64(rec, 4857 ZPOOL_HIST_DSID)); 4858 } 4859 (void) printf(" %s", fnvlist_lookup_string(rec, 4860 ZPOOL_HIST_INT_STR)); 4861 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) { 4862 if (!cb->internal) 4863 continue; 4864 (void) printf("%s ioctl %s\n", tbuf, 4865 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL)); 4866 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) { 4867 (void) printf(" input:\n"); 4868 dump_nvlist(fnvlist_lookup_nvlist(rec, 4869 ZPOOL_HIST_INPUT_NVL), 8); 4870 } 4871 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) { 4872 (void) printf(" output:\n"); 4873 dump_nvlist(fnvlist_lookup_nvlist(rec, 4874 ZPOOL_HIST_OUTPUT_NVL), 8); 4875 } 4876 } else { 4877 if (!cb->internal) 4878 continue; 4879 (void) printf("%s unrecognized record:\n", tbuf); 4880 dump_nvlist(rec, 4); 4881 } 4882 4883 if (!cb->longfmt) { 4884 (void) printf("\n"); 4885 continue; 4886 } 4887 (void) printf(" ["); 4888 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) { 4889 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO); 4890 struct passwd *pwd = getpwuid(who); 4891 (void) printf("user %d ", (int)who); 4892 if (pwd != NULL) 4893 (void) printf("(%s) ", pwd->pw_name); 4894 } 4895 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) { 4896 (void) printf("on %s", 4897 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST)); 4898 } 4899 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) { 4900 (void) printf(":%s", 4901 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE)); 4902 } 4903 (void) printf("]"); 4904 (void) printf("\n"); 4905 } 4906 (void) printf("\n"); 4907 nvlist_free(nvhis); 4908 4909 return (ret); 4910 } 4911 4912 /* 4913 * zpool history <pool> 4914 * 4915 * Displays the history of commands that modified pools. 4916 */ 4917 int 4918 zpool_do_history(int argc, char **argv) 4919 { 4920 hist_cbdata_t cbdata = { 0 }; 4921 int ret; 4922 int c; 4923 4924 cbdata.first = B_TRUE; 4925 /* check options */ 4926 while ((c = getopt(argc, argv, "li")) != -1) { 4927 switch (c) { 4928 case 'l': 4929 cbdata.longfmt = B_TRUE; 4930 break; 4931 case 'i': 4932 cbdata.internal = B_TRUE; 4933 break; 4934 case '?': 4935 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4936 optopt); 4937 usage(B_FALSE); 4938 } 4939 } 4940 argc -= optind; 4941 argv += optind; 4942 4943 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4944 &cbdata); 4945 4946 if (argc == 0 && cbdata.first == B_TRUE) { 4947 (void) printf(gettext("no pools available\n")); 4948 return (0); 4949 } 4950 4951 return (ret); 4952 } 4953 4954 static int 4955 get_callback(zpool_handle_t *zhp, void *data) 4956 { 4957 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4958 char value[MAXNAMELEN]; 4959 zprop_source_t srctype; 4960 zprop_list_t *pl; 4961 4962 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4963 4964 /* 4965 * Skip the special fake placeholder. This will also skip 4966 * over the name property when 'all' is specified. 4967 */ 4968 if (pl->pl_prop == ZPOOL_PROP_NAME && 4969 pl == cbp->cb_proplist) 4970 continue; 4971 4972 if (pl->pl_prop == ZPROP_INVAL && 4973 (zpool_prop_feature(pl->pl_user_prop) || 4974 zpool_prop_unsupported(pl->pl_user_prop))) { 4975 srctype = ZPROP_SRC_LOCAL; 4976 4977 if (zpool_prop_get_feature(zhp, pl->pl_user_prop, 4978 value, sizeof (value)) == 0) { 4979 zprop_print_one_property(zpool_get_name(zhp), 4980 cbp, pl->pl_user_prop, value, srctype, 4981 NULL, NULL); 4982 } 4983 } else { 4984 if (zpool_get_prop(zhp, pl->pl_prop, value, 4985 sizeof (value), &srctype, cbp->cb_literal) != 0) 4986 continue; 4987 4988 zprop_print_one_property(zpool_get_name(zhp), cbp, 4989 zpool_prop_to_name(pl->pl_prop), value, srctype, 4990 NULL, NULL); 4991 } 4992 } 4993 return (0); 4994 } 4995 4996 /* 4997 * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ... 4998 * 4999 * -H Scripted mode. Don't display headers, and separate properties 5000 * by a single tab. 5001 * -o List of columns to display. Defaults to 5002 * "name,property,value,source". 5003 * -p Diplay values in parsable (exact) format. 5004 * 5005 * Get properties of pools in the system. Output space statistics 5006 * for each one as well as other attributes. 5007 */ 5008 int 5009 zpool_do_get(int argc, char **argv) 5010 { 5011 zprop_get_cbdata_t cb = { 0 }; 5012 zprop_list_t fake_name = { 0 }; 5013 int ret; 5014 int c, i; 5015 char *value; 5016 5017 cb.cb_first = B_TRUE; 5018 5019 /* 5020 * Set up default columns and sources. 5021 */ 5022 cb.cb_sources = ZPROP_SRC_ALL; 5023 cb.cb_columns[0] = GET_COL_NAME; 5024 cb.cb_columns[1] = GET_COL_PROPERTY; 5025 cb.cb_columns[2] = GET_COL_VALUE; 5026 cb.cb_columns[3] = GET_COL_SOURCE; 5027 cb.cb_type = ZFS_TYPE_POOL; 5028 5029 /* check options */ 5030 while ((c = getopt(argc, argv, ":Hpo:")) != -1) { 5031 switch (c) { 5032 case 'p': 5033 cb.cb_literal = B_TRUE; 5034 break; 5035 case 'H': 5036 cb.cb_scripted = B_TRUE; 5037 break; 5038 case 'o': 5039 bzero(&cb.cb_columns, sizeof (cb.cb_columns)); 5040 i = 0; 5041 while (*optarg != '\0') { 5042 static char *col_subopts[] = 5043 { "name", "property", "value", "source", 5044 "all", NULL }; 5045 5046 if (i == ZFS_GET_NCOLS) { 5047 (void) fprintf(stderr, gettext("too " 5048 "many fields given to -o " 5049 "option\n")); 5050 usage(B_FALSE); 5051 } 5052 5053 switch (getsubopt(&optarg, col_subopts, 5054 &value)) { 5055 case 0: 5056 cb.cb_columns[i++] = GET_COL_NAME; 5057 break; 5058 case 1: 5059 cb.cb_columns[i++] = GET_COL_PROPERTY; 5060 break; 5061 case 2: 5062 cb.cb_columns[i++] = GET_COL_VALUE; 5063 break; 5064 case 3: 5065 cb.cb_columns[i++] = GET_COL_SOURCE; 5066 break; 5067 case 4: 5068 if (i > 0) { 5069 (void) fprintf(stderr, 5070 gettext("\"all\" conflicts " 5071 "with specific fields " 5072 "given to -o option\n")); 5073 usage(B_FALSE); 5074 } 5075 cb.cb_columns[0] = GET_COL_NAME; 5076 cb.cb_columns[1] = GET_COL_PROPERTY; 5077 cb.cb_columns[2] = GET_COL_VALUE; 5078 cb.cb_columns[3] = GET_COL_SOURCE; 5079 i = ZFS_GET_NCOLS; 5080 break; 5081 default: 5082 (void) fprintf(stderr, 5083 gettext("invalid column name " 5084 "'%s'\n"), value); 5085 usage(B_FALSE); 5086 } 5087 } 5088 break; 5089 case '?': 5090 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5091 optopt); 5092 usage(B_FALSE); 5093 } 5094 } 5095 5096 argc -= optind; 5097 argv += optind; 5098 5099 if (argc < 1) { 5100 (void) fprintf(stderr, gettext("missing property " 5101 "argument\n")); 5102 usage(B_FALSE); 5103 } 5104 5105 if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist, 5106 ZFS_TYPE_POOL) != 0) 5107 usage(B_FALSE); 5108 5109 argc--; 5110 argv++; 5111 5112 if (cb.cb_proplist != NULL) { 5113 fake_name.pl_prop = ZPOOL_PROP_NAME; 5114 fake_name.pl_width = strlen(gettext("NAME")); 5115 fake_name.pl_next = cb.cb_proplist; 5116 cb.cb_proplist = &fake_name; 5117 } 5118 5119 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 5120 get_callback, &cb); 5121 5122 if (cb.cb_proplist == &fake_name) 5123 zprop_free_list(fake_name.pl_next); 5124 else 5125 zprop_free_list(cb.cb_proplist); 5126 5127 return (ret); 5128 } 5129 5130 typedef struct set_cbdata { 5131 char *cb_propname; 5132 char *cb_value; 5133 boolean_t cb_any_successful; 5134 } set_cbdata_t; 5135 5136 int 5137 set_callback(zpool_handle_t *zhp, void *data) 5138 { 5139 int error; 5140 set_cbdata_t *cb = (set_cbdata_t *)data; 5141 5142 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 5143 5144 if (!error) 5145 cb->cb_any_successful = B_TRUE; 5146 5147 return (error); 5148 } 5149 5150 int 5151 zpool_do_set(int argc, char **argv) 5152 { 5153 set_cbdata_t cb = { 0 }; 5154 int error; 5155 5156 if (argc > 1 && argv[1][0] == '-') { 5157 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5158 argv[1][1]); 5159 usage(B_FALSE); 5160 } 5161 5162 if (argc < 2) { 5163 (void) fprintf(stderr, gettext("missing property=value " 5164 "argument\n")); 5165 usage(B_FALSE); 5166 } 5167 5168 if (argc < 3) { 5169 (void) fprintf(stderr, gettext("missing pool name\n")); 5170 usage(B_FALSE); 5171 } 5172 5173 if (argc > 3) { 5174 (void) fprintf(stderr, gettext("too many pool names\n")); 5175 usage(B_FALSE); 5176 } 5177 5178 cb.cb_propname = argv[1]; 5179 cb.cb_value = strchr(cb.cb_propname, '='); 5180 if (cb.cb_value == NULL) { 5181 (void) fprintf(stderr, gettext("missing value in " 5182 "property=value argument\n")); 5183 usage(B_FALSE); 5184 } 5185 5186 *(cb.cb_value) = '\0'; 5187 cb.cb_value++; 5188 5189 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 5190 set_callback, &cb); 5191 5192 return (error); 5193 } 5194 5195 static int 5196 find_command_idx(char *command, int *idx) 5197 { 5198 int i; 5199 5200 for (i = 0; i < NCOMMAND; i++) { 5201 if (command_table[i].name == NULL) 5202 continue; 5203 5204 if (strcmp(command, command_table[i].name) == 0) { 5205 *idx = i; 5206 return (0); 5207 } 5208 } 5209 return (1); 5210 } 5211 5212 int 5213 main(int argc, char **argv) 5214 { 5215 int ret; 5216 int i; 5217 char *cmdname; 5218 5219 (void) setlocale(LC_ALL, ""); 5220 (void) textdomain(TEXT_DOMAIN); 5221 5222 if ((g_zfs = libzfs_init()) == NULL) { 5223 (void) fprintf(stderr, gettext("internal error: failed to " 5224 "initialize ZFS library\n")); 5225 return (1); 5226 } 5227 5228 libzfs_print_on_error(g_zfs, B_TRUE); 5229 5230 opterr = 0; 5231 5232 /* 5233 * Make sure the user has specified some command. 5234 */ 5235 if (argc < 2) { 5236 (void) fprintf(stderr, gettext("missing command\n")); 5237 usage(B_FALSE); 5238 } 5239 5240 cmdname = argv[1]; 5241 5242 /* 5243 * Special case '-?' 5244 */ 5245 if (strcmp(cmdname, "-?") == 0) 5246 usage(B_TRUE); 5247 5248 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 5249 5250 /* 5251 * Run the appropriate command. 5252 */ 5253 if (find_command_idx(cmdname, &i) == 0) { 5254 current_command = &command_table[i]; 5255 ret = command_table[i].func(argc - 1, argv + 1); 5256 } else if (strchr(cmdname, '=')) { 5257 verify(find_command_idx("set", &i) == 0); 5258 current_command = &command_table[i]; 5259 ret = command_table[i].func(argc, argv); 5260 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 5261 /* 5262 * 'freeze' is a vile debugging abomination, so we treat 5263 * it as such. 5264 */ 5265 char buf[16384]; 5266 int fd = open(ZFS_DEV, O_RDWR); 5267 (void) strcpy((void *)buf, argv[2]); 5268 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 5269 } else { 5270 (void) fprintf(stderr, gettext("unrecognized " 5271 "command '%s'\n"), cmdname); 5272 usage(B_FALSE); 5273 } 5274 5275 if (ret == 0 && log_history) 5276 (void) zpool_log_history(g_zfs, history_str); 5277 5278 libzfs_fini(g_zfs); 5279 5280 /* 5281 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 5282 * for the purposes of running ::findleaks. 5283 */ 5284 if (getenv("ZFS_ABORT") != NULL) { 5285 (void) printf("dumping core by request\n"); 5286 abort(); 5287 } 5288 5289 return (ret); 5290 } 5291