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 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <assert.h> 28 #include <ctype.h> 29 #include <dirent.h> 30 #include <errno.h> 31 #include <fcntl.h> 32 #include <libgen.h> 33 #include <libintl.h> 34 #include <libuutil.h> 35 #include <locale.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <strings.h> 40 #include <unistd.h> 41 #include <priv.h> 42 #include <pwd.h> 43 #include <zone.h> 44 #include <sys/fs/zfs.h> 45 46 #include <sys/stat.h> 47 48 #include <libzfs.h> 49 50 #include "zpool_util.h" 51 #include "zfs_comutil.h" 52 53 #include "statcommon.h" 54 55 static int zpool_do_create(int, char **); 56 static int zpool_do_destroy(int, char **); 57 58 static int zpool_do_add(int, char **); 59 static int zpool_do_remove(int, char **); 60 61 static int zpool_do_list(int, char **); 62 static int zpool_do_iostat(int, char **); 63 static int zpool_do_status(int, char **); 64 65 static int zpool_do_online(int, char **); 66 static int zpool_do_offline(int, char **); 67 static int zpool_do_clear(int, char **); 68 69 static int zpool_do_attach(int, char **); 70 static int zpool_do_detach(int, char **); 71 static int zpool_do_replace(int, char **); 72 static int zpool_do_split(int, char **); 73 74 static int zpool_do_scrub(int, char **); 75 76 static int zpool_do_import(int, char **); 77 static int zpool_do_export(int, char **); 78 79 static int zpool_do_upgrade(int, char **); 80 81 static int zpool_do_history(int, char **); 82 83 static int zpool_do_get(int, char **); 84 static int zpool_do_set(int, char **); 85 86 /* 87 * These libumem hooks provide a reasonable set of defaults for the allocator's 88 * debugging facilities. 89 */ 90 91 #ifdef DEBUG 92 const char * 93 _umem_debug_init(void) 94 { 95 return ("default,verbose"); /* $UMEM_DEBUG setting */ 96 } 97 98 const char * 99 _umem_logging_init(void) 100 { 101 return ("fail,contents"); /* $UMEM_LOGGING setting */ 102 } 103 #endif 104 105 typedef enum { 106 HELP_ADD, 107 HELP_ATTACH, 108 HELP_CLEAR, 109 HELP_CREATE, 110 HELP_DESTROY, 111 HELP_DETACH, 112 HELP_EXPORT, 113 HELP_HISTORY, 114 HELP_IMPORT, 115 HELP_IOSTAT, 116 HELP_LIST, 117 HELP_OFFLINE, 118 HELP_ONLINE, 119 HELP_REPLACE, 120 HELP_REMOVE, 121 HELP_SCRUB, 122 HELP_STATUS, 123 HELP_UPGRADE, 124 HELP_GET, 125 HELP_SET, 126 HELP_SPLIT 127 } zpool_help_t; 128 129 130 typedef struct zpool_command { 131 const char *name; 132 int (*func)(int, char **); 133 zpool_help_t usage; 134 } zpool_command_t; 135 136 /* 137 * Master command table. Each ZFS command has a name, associated function, and 138 * usage message. The usage messages need to be internationalized, so we have 139 * to have a function to return the usage message based on a command index. 140 * 141 * These commands are organized according to how they are displayed in the usage 142 * message. An empty command (one with a NULL name) indicates an empty line in 143 * the generic usage message. 144 */ 145 static zpool_command_t command_table[] = { 146 { "create", zpool_do_create, HELP_CREATE }, 147 { "destroy", zpool_do_destroy, HELP_DESTROY }, 148 { NULL }, 149 { "add", zpool_do_add, HELP_ADD }, 150 { "remove", zpool_do_remove, HELP_REMOVE }, 151 { NULL }, 152 { "list", zpool_do_list, HELP_LIST }, 153 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 154 { "status", zpool_do_status, HELP_STATUS }, 155 { NULL }, 156 { "online", zpool_do_online, HELP_ONLINE }, 157 { "offline", zpool_do_offline, HELP_OFFLINE }, 158 { "clear", zpool_do_clear, HELP_CLEAR }, 159 { NULL }, 160 { "attach", zpool_do_attach, HELP_ATTACH }, 161 { "detach", zpool_do_detach, HELP_DETACH }, 162 { "replace", zpool_do_replace, HELP_REPLACE }, 163 { "split", zpool_do_split, HELP_SPLIT }, 164 { NULL }, 165 { "scrub", zpool_do_scrub, HELP_SCRUB }, 166 { NULL }, 167 { "import", zpool_do_import, HELP_IMPORT }, 168 { "export", zpool_do_export, HELP_EXPORT }, 169 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 170 { NULL }, 171 { "history", zpool_do_history, HELP_HISTORY }, 172 { "get", zpool_do_get, HELP_GET }, 173 { "set", zpool_do_set, HELP_SET }, 174 }; 175 176 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 177 178 zpool_command_t *current_command; 179 static char history_str[HIS_MAX_RECORD_LEN]; 180 181 static uint_t timestamp_fmt = NODATE; 182 183 static const char * 184 get_usage(zpool_help_t idx) { 185 switch (idx) { 186 case HELP_ADD: 187 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 188 case HELP_ATTACH: 189 return (gettext("\tattach [-f] <pool> <device> " 190 "<new-device>\n")); 191 case HELP_CLEAR: 192 return (gettext("\tclear [-nF] <pool> [device]\n")); 193 case HELP_CREATE: 194 return (gettext("\tcreate [-fn] [-o property=value] ... \n" 195 "\t [-O file-system-property=value] ... \n" 196 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 197 case HELP_DESTROY: 198 return (gettext("\tdestroy [-f] <pool>\n")); 199 case HELP_DETACH: 200 return (gettext("\tdetach <pool> <device>\n")); 201 case HELP_EXPORT: 202 return (gettext("\texport [-f] <pool> ...\n")); 203 case HELP_HISTORY: 204 return (gettext("\thistory [-il] [<pool>] ...\n")); 205 case HELP_IMPORT: 206 return (gettext("\timport [-d dir] [-D]\n" 207 "\timport [-d dir | -c cachefile] [-n] -F <pool | id>\n" 208 "\timport [-o mntopts] [-o property=value] ... \n" 209 "\t [-d dir | -c cachefile] [-D] [-f] [-R root] -a\n" 210 "\timport [-o mntopts] [-o property=value] ... \n" 211 "\t [-d dir | -c cachefile] [-D] [-f] [-R root] " 212 "<pool | id> [newpool]\n")); 213 case HELP_IOSTAT: 214 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 215 "[count]]\n")); 216 case HELP_LIST: 217 return (gettext("\tlist [-H] [-o property[,...]] " 218 "[pool] ...\n")); 219 case HELP_OFFLINE: 220 return (gettext("\toffline [-t] <pool> <device> ...\n")); 221 case HELP_ONLINE: 222 return (gettext("\tonline <pool> <device> ...\n")); 223 case HELP_REPLACE: 224 return (gettext("\treplace [-f] <pool> <device> " 225 "[new-device]\n")); 226 case HELP_REMOVE: 227 return (gettext("\tremove <pool> <device> ...\n")); 228 case HELP_SCRUB: 229 return (gettext("\tscrub [-s] <pool> ...\n")); 230 case HELP_STATUS: 231 return (gettext("\tstatus [-vx] [pool] ...\n")); 232 case HELP_UPGRADE: 233 return (gettext("\tupgrade\n" 234 "\tupgrade -v\n" 235 "\tupgrade [-V version] <-a | pool ...>\n")); 236 case HELP_GET: 237 return (gettext("\tget <\"all\" | property[,...]> " 238 "<pool> ...\n")); 239 case HELP_SET: 240 return (gettext("\tset <property=value> <pool> \n")); 241 case HELP_SPLIT: 242 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 243 "\t [-o property=value] <pool> <newpool> " 244 "[<device> ...]\n")); 245 } 246 247 abort(); 248 /* NOTREACHED */ 249 } 250 251 252 /* 253 * Callback routine that will print out a pool property value. 254 */ 255 static int 256 print_prop_cb(int prop, void *cb) 257 { 258 FILE *fp = cb; 259 260 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 261 262 if (zpool_prop_readonly(prop)) 263 (void) fprintf(fp, " NO "); 264 else 265 (void) fprintf(fp, " YES "); 266 267 if (zpool_prop_values(prop) == NULL) 268 (void) fprintf(fp, "-\n"); 269 else 270 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 271 272 return (ZPROP_CONT); 273 } 274 275 /* 276 * Display usage message. If we're inside a command, display only the usage for 277 * that command. Otherwise, iterate over the entire command table and display 278 * a complete usage message. 279 */ 280 void 281 usage(boolean_t requested) 282 { 283 FILE *fp = requested ? stdout : stderr; 284 285 if (current_command == NULL) { 286 int i; 287 288 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 289 (void) fprintf(fp, 290 gettext("where 'command' is one of the following:\n\n")); 291 292 for (i = 0; i < NCOMMAND; i++) { 293 if (command_table[i].name == NULL) 294 (void) fprintf(fp, "\n"); 295 else 296 (void) fprintf(fp, "%s", 297 get_usage(command_table[i].usage)); 298 } 299 } else { 300 (void) fprintf(fp, gettext("usage:\n")); 301 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 302 } 303 304 if (current_command != NULL && 305 ((strcmp(current_command->name, "set") == 0) || 306 (strcmp(current_command->name, "get") == 0) || 307 (strcmp(current_command->name, "list") == 0))) { 308 309 (void) fprintf(fp, 310 gettext("\nthe following properties are supported:\n")); 311 312 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 313 "PROPERTY", "EDIT", "VALUES"); 314 315 /* Iterate over all properties */ 316 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 317 ZFS_TYPE_POOL); 318 } 319 320 /* 321 * See comments at end of main(). 322 */ 323 if (getenv("ZFS_ABORT") != NULL) { 324 (void) printf("dumping core by request\n"); 325 abort(); 326 } 327 328 exit(requested ? 0 : 2); 329 } 330 331 void 332 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 333 boolean_t print_logs) 334 { 335 nvlist_t **child; 336 uint_t c, children; 337 char *vname; 338 339 if (name != NULL) 340 (void) printf("\t%*s%s\n", indent, "", name); 341 342 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 343 &child, &children) != 0) 344 return; 345 346 for (c = 0; c < children; c++) { 347 uint64_t is_log = B_FALSE; 348 349 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 350 &is_log); 351 if ((is_log && !print_logs) || (!is_log && print_logs)) 352 continue; 353 354 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 355 print_vdev_tree(zhp, vname, child[c], indent + 2, 356 B_FALSE); 357 free(vname); 358 } 359 } 360 361 /* 362 * Add a property pair (name, string-value) into a property nvlist. 363 */ 364 static int 365 add_prop_list(const char *propname, char *propval, nvlist_t **props, 366 boolean_t poolprop) 367 { 368 zpool_prop_t prop = ZPROP_INVAL; 369 zfs_prop_t fprop; 370 nvlist_t *proplist; 371 const char *normnm; 372 char *strval; 373 374 if (*props == NULL && 375 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 376 (void) fprintf(stderr, 377 gettext("internal error: out of memory\n")); 378 return (1); 379 } 380 381 proplist = *props; 382 383 if (poolprop) { 384 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 385 (void) fprintf(stderr, gettext("property '%s' is " 386 "not a valid pool property\n"), propname); 387 return (2); 388 } 389 normnm = zpool_prop_to_name(prop); 390 } else { 391 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 392 normnm = zfs_prop_to_name(fprop); 393 } else { 394 normnm = propname; 395 } 396 } 397 398 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 399 prop != ZPOOL_PROP_CACHEFILE) { 400 (void) fprintf(stderr, gettext("property '%s' " 401 "specified multiple times\n"), propname); 402 return (2); 403 } 404 405 if (nvlist_add_string(proplist, normnm, propval) != 0) { 406 (void) fprintf(stderr, gettext("internal " 407 "error: out of memory\n")); 408 return (1); 409 } 410 411 return (0); 412 } 413 414 /* 415 * zpool add [-fn] <pool> <vdev> ... 416 * 417 * -f Force addition of devices, even if they appear in use 418 * -n Do not add the devices, but display the resulting layout if 419 * they were to be added. 420 * 421 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 422 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 423 * libzfs. 424 */ 425 int 426 zpool_do_add(int argc, char **argv) 427 { 428 boolean_t force = B_FALSE; 429 boolean_t dryrun = B_FALSE; 430 int c; 431 nvlist_t *nvroot; 432 char *poolname; 433 int ret; 434 zpool_handle_t *zhp; 435 nvlist_t *config; 436 437 /* check options */ 438 while ((c = getopt(argc, argv, "fn")) != -1) { 439 switch (c) { 440 case 'f': 441 force = B_TRUE; 442 break; 443 case 'n': 444 dryrun = B_TRUE; 445 break; 446 case '?': 447 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 448 optopt); 449 usage(B_FALSE); 450 } 451 } 452 453 argc -= optind; 454 argv += optind; 455 456 /* get pool name and check number of arguments */ 457 if (argc < 1) { 458 (void) fprintf(stderr, gettext("missing pool name argument\n")); 459 usage(B_FALSE); 460 } 461 if (argc < 2) { 462 (void) fprintf(stderr, gettext("missing vdev specification\n")); 463 usage(B_FALSE); 464 } 465 466 poolname = argv[0]; 467 468 argc--; 469 argv++; 470 471 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 472 return (1); 473 474 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 475 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 476 poolname); 477 zpool_close(zhp); 478 return (1); 479 } 480 481 /* pass off to get_vdev_spec for processing */ 482 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 483 argc, argv); 484 if (nvroot == NULL) { 485 zpool_close(zhp); 486 return (1); 487 } 488 489 if (dryrun) { 490 nvlist_t *poolnvroot; 491 492 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 493 &poolnvroot) == 0); 494 495 (void) printf(gettext("would update '%s' to the following " 496 "configuration:\n"), zpool_get_name(zhp)); 497 498 /* print original main pool and new tree */ 499 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 500 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 501 502 /* Do the same for the logs */ 503 if (num_logs(poolnvroot) > 0) { 504 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 505 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 506 } else if (num_logs(nvroot) > 0) { 507 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 508 } 509 510 ret = 0; 511 } else { 512 ret = (zpool_add(zhp, nvroot) != 0); 513 } 514 515 nvlist_free(nvroot); 516 zpool_close(zhp); 517 518 return (ret); 519 } 520 521 /* 522 * zpool remove <pool> <vdev> ... 523 * 524 * Removes the given vdev from the pool. Currently, this only supports removing 525 * spares and cache devices from the pool. Eventually, we'll want to support 526 * removing leaf vdevs (as an alias for 'detach') as well as toplevel vdevs. 527 */ 528 int 529 zpool_do_remove(int argc, char **argv) 530 { 531 char *poolname; 532 int i, ret = 0; 533 zpool_handle_t *zhp; 534 535 argc--; 536 argv++; 537 538 /* get pool name and check number of arguments */ 539 if (argc < 1) { 540 (void) fprintf(stderr, gettext("missing pool name argument\n")); 541 usage(B_FALSE); 542 } 543 if (argc < 2) { 544 (void) fprintf(stderr, gettext("missing device\n")); 545 usage(B_FALSE); 546 } 547 548 poolname = argv[0]; 549 550 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 551 return (1); 552 553 for (i = 1; i < argc; i++) { 554 if (zpool_vdev_remove(zhp, argv[i]) != 0) 555 ret = 1; 556 } 557 558 return (ret); 559 } 560 561 /* 562 * zpool create [-fn] [-o property=value] ... 563 * [-O file-system-property=value] ... 564 * [-R root] [-m mountpoint] <pool> <dev> ... 565 * 566 * -f Force creation, even if devices appear in use 567 * -n Do not create the pool, but display the resulting layout if it 568 * were to be created. 569 * -R Create a pool under an alternate root 570 * -m Set default mountpoint for the root dataset. By default it's 571 * '/<pool>' 572 * -o Set property=value. 573 * -O Set fsproperty=value in the pool's root file system 574 * 575 * Creates the named pool according to the given vdev specification. The 576 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 577 * we get the nvlist back from get_vdev_spec(), we either print out the contents 578 * (if '-n' was specified), or pass it to libzfs to do the creation. 579 */ 580 int 581 zpool_do_create(int argc, char **argv) 582 { 583 boolean_t force = B_FALSE; 584 boolean_t dryrun = B_FALSE; 585 int c; 586 nvlist_t *nvroot = NULL; 587 char *poolname; 588 int ret = 1; 589 char *altroot = NULL; 590 char *mountpoint = NULL; 591 nvlist_t *fsprops = NULL; 592 nvlist_t *props = NULL; 593 char *propval; 594 595 /* check options */ 596 while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) { 597 switch (c) { 598 case 'f': 599 force = B_TRUE; 600 break; 601 case 'n': 602 dryrun = B_TRUE; 603 break; 604 case 'R': 605 altroot = optarg; 606 if (add_prop_list(zpool_prop_to_name( 607 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 608 goto errout; 609 if (nvlist_lookup_string(props, 610 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 611 &propval) == 0) 612 break; 613 if (add_prop_list(zpool_prop_to_name( 614 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 615 goto errout; 616 break; 617 case 'm': 618 mountpoint = optarg; 619 break; 620 case 'o': 621 if ((propval = strchr(optarg, '=')) == NULL) { 622 (void) fprintf(stderr, gettext("missing " 623 "'=' for -o option\n")); 624 goto errout; 625 } 626 *propval = '\0'; 627 propval++; 628 629 if (add_prop_list(optarg, propval, &props, B_TRUE)) 630 goto errout; 631 break; 632 case 'O': 633 if ((propval = strchr(optarg, '=')) == NULL) { 634 (void) fprintf(stderr, gettext("missing " 635 "'=' for -O option\n")); 636 goto errout; 637 } 638 *propval = '\0'; 639 propval++; 640 641 if (add_prop_list(optarg, propval, &fsprops, B_FALSE)) 642 goto errout; 643 break; 644 case ':': 645 (void) fprintf(stderr, gettext("missing argument for " 646 "'%c' option\n"), optopt); 647 goto badusage; 648 case '?': 649 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 650 optopt); 651 goto badusage; 652 } 653 } 654 655 argc -= optind; 656 argv += optind; 657 658 /* get pool name and check number of arguments */ 659 if (argc < 1) { 660 (void) fprintf(stderr, gettext("missing pool name argument\n")); 661 goto badusage; 662 } 663 if (argc < 2) { 664 (void) fprintf(stderr, gettext("missing vdev specification\n")); 665 goto badusage; 666 } 667 668 poolname = argv[0]; 669 670 /* 671 * As a special case, check for use of '/' in the name, and direct the 672 * user to use 'zfs create' instead. 673 */ 674 if (strchr(poolname, '/') != NULL) { 675 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 676 "character '/' in pool name\n"), poolname); 677 (void) fprintf(stderr, gettext("use 'zfs create' to " 678 "create a dataset\n")); 679 goto errout; 680 } 681 682 /* pass off to get_vdev_spec for bulk processing */ 683 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 684 argc - 1, argv + 1); 685 if (nvroot == NULL) 686 goto errout; 687 688 /* make_root_vdev() allows 0 toplevel children if there are spares */ 689 if (!zfs_allocatable_devs(nvroot)) { 690 (void) fprintf(stderr, gettext("invalid vdev " 691 "specification: at least one toplevel vdev must be " 692 "specified\n")); 693 goto errout; 694 } 695 696 697 if (altroot != NULL && altroot[0] != '/') { 698 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 699 "must be an absolute path\n"), altroot); 700 goto errout; 701 } 702 703 /* 704 * Check the validity of the mountpoint and direct the user to use the 705 * '-m' mountpoint option if it looks like its in use. 706 */ 707 if (mountpoint == NULL || 708 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 709 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) { 710 char buf[MAXPATHLEN]; 711 DIR *dirp; 712 713 if (mountpoint && mountpoint[0] != '/') { 714 (void) fprintf(stderr, gettext("invalid mountpoint " 715 "'%s': must be an absolute path, 'legacy', or " 716 "'none'\n"), mountpoint); 717 goto errout; 718 } 719 720 if (mountpoint == NULL) { 721 if (altroot != NULL) 722 (void) snprintf(buf, sizeof (buf), "%s/%s", 723 altroot, poolname); 724 else 725 (void) snprintf(buf, sizeof (buf), "/%s", 726 poolname); 727 } else { 728 if (altroot != NULL) 729 (void) snprintf(buf, sizeof (buf), "%s%s", 730 altroot, mountpoint); 731 else 732 (void) snprintf(buf, sizeof (buf), "%s", 733 mountpoint); 734 } 735 736 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 737 (void) fprintf(stderr, gettext("mountpoint '%s' : " 738 "%s\n"), buf, strerror(errno)); 739 (void) fprintf(stderr, gettext("use '-m' " 740 "option to provide a different default\n")); 741 goto errout; 742 } else if (dirp) { 743 int count = 0; 744 745 while (count < 3 && readdir(dirp) != NULL) 746 count++; 747 (void) closedir(dirp); 748 749 if (count > 2) { 750 (void) fprintf(stderr, gettext("mountpoint " 751 "'%s' exists and is not empty\n"), buf); 752 (void) fprintf(stderr, gettext("use '-m' " 753 "option to provide a " 754 "different default\n")); 755 goto errout; 756 } 757 } 758 } 759 760 if (dryrun) { 761 /* 762 * For a dry run invocation, print out a basic message and run 763 * through all the vdevs in the list and print out in an 764 * appropriate hierarchy. 765 */ 766 (void) printf(gettext("would create '%s' with the " 767 "following layout:\n\n"), poolname); 768 769 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 770 if (num_logs(nvroot) > 0) 771 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 772 773 ret = 0; 774 } else { 775 /* 776 * Hand off to libzfs. 777 */ 778 if (zpool_create(g_zfs, poolname, 779 nvroot, props, fsprops) == 0) { 780 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 781 ZFS_TYPE_FILESYSTEM); 782 if (pool != NULL) { 783 if (mountpoint != NULL) 784 verify(zfs_prop_set(pool, 785 zfs_prop_to_name( 786 ZFS_PROP_MOUNTPOINT), 787 mountpoint) == 0); 788 if (zfs_mount(pool, NULL, 0) == 0) 789 ret = zfs_shareall(pool); 790 zfs_close(pool); 791 } 792 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 793 (void) fprintf(stderr, gettext("pool name may have " 794 "been omitted\n")); 795 } 796 } 797 798 errout: 799 nvlist_free(nvroot); 800 nvlist_free(fsprops); 801 nvlist_free(props); 802 return (ret); 803 badusage: 804 nvlist_free(fsprops); 805 nvlist_free(props); 806 usage(B_FALSE); 807 return (2); 808 } 809 810 /* 811 * zpool destroy <pool> 812 * 813 * -f Forcefully unmount any datasets 814 * 815 * Destroy the given pool. Automatically unmounts any datasets in the pool. 816 */ 817 int 818 zpool_do_destroy(int argc, char **argv) 819 { 820 boolean_t force = B_FALSE; 821 int c; 822 char *pool; 823 zpool_handle_t *zhp; 824 int ret; 825 826 /* check options */ 827 while ((c = getopt(argc, argv, "f")) != -1) { 828 switch (c) { 829 case 'f': 830 force = B_TRUE; 831 break; 832 case '?': 833 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 834 optopt); 835 usage(B_FALSE); 836 } 837 } 838 839 argc -= optind; 840 argv += optind; 841 842 /* check arguments */ 843 if (argc < 1) { 844 (void) fprintf(stderr, gettext("missing pool argument\n")); 845 usage(B_FALSE); 846 } 847 if (argc > 1) { 848 (void) fprintf(stderr, gettext("too many arguments\n")); 849 usage(B_FALSE); 850 } 851 852 pool = argv[0]; 853 854 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 855 /* 856 * As a special case, check for use of '/' in the name, and 857 * direct the user to use 'zfs destroy' instead. 858 */ 859 if (strchr(pool, '/') != NULL) 860 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 861 "destroy a dataset\n")); 862 return (1); 863 } 864 865 if (zpool_disable_datasets(zhp, force) != 0) { 866 (void) fprintf(stderr, gettext("could not destroy '%s': " 867 "could not unmount datasets\n"), zpool_get_name(zhp)); 868 return (1); 869 } 870 871 ret = (zpool_destroy(zhp) != 0); 872 873 zpool_close(zhp); 874 875 return (ret); 876 } 877 878 /* 879 * zpool export [-f] <pool> ... 880 * 881 * -f Forcefully unmount datasets 882 * 883 * Export the given pools. By default, the command will attempt to cleanly 884 * unmount any active datasets within the pool. If the '-f' flag is specified, 885 * then the datasets will be forcefully unmounted. 886 */ 887 int 888 zpool_do_export(int argc, char **argv) 889 { 890 boolean_t force = B_FALSE; 891 boolean_t hardforce = B_FALSE; 892 int c; 893 zpool_handle_t *zhp; 894 int ret; 895 int i; 896 897 /* check options */ 898 while ((c = getopt(argc, argv, "fF")) != -1) { 899 switch (c) { 900 case 'f': 901 force = B_TRUE; 902 break; 903 case 'F': 904 hardforce = B_TRUE; 905 break; 906 case '?': 907 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 908 optopt); 909 usage(B_FALSE); 910 } 911 } 912 913 argc -= optind; 914 argv += optind; 915 916 /* check arguments */ 917 if (argc < 1) { 918 (void) fprintf(stderr, gettext("missing pool argument\n")); 919 usage(B_FALSE); 920 } 921 922 ret = 0; 923 for (i = 0; i < argc; i++) { 924 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 925 ret = 1; 926 continue; 927 } 928 929 if (zpool_disable_datasets(zhp, force) != 0) { 930 ret = 1; 931 zpool_close(zhp); 932 continue; 933 } 934 935 if (hardforce) { 936 if (zpool_export_force(zhp) != 0) 937 ret = 1; 938 } else if (zpool_export(zhp, force) != 0) { 939 ret = 1; 940 } 941 942 zpool_close(zhp); 943 } 944 945 return (ret); 946 } 947 948 /* 949 * Given a vdev configuration, determine the maximum width needed for the device 950 * name column. 951 */ 952 static int 953 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 954 { 955 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 956 nvlist_t **child; 957 uint_t c, children; 958 int ret; 959 960 if (strlen(name) + depth > max) 961 max = strlen(name) + depth; 962 963 free(name); 964 965 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 966 &child, &children) == 0) { 967 for (c = 0; c < children; c++) 968 if ((ret = max_width(zhp, child[c], depth + 2, 969 max)) > max) 970 max = ret; 971 } 972 973 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 974 &child, &children) == 0) { 975 for (c = 0; c < children; c++) 976 if ((ret = max_width(zhp, child[c], depth + 2, 977 max)) > max) 978 max = ret; 979 } 980 981 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 982 &child, &children) == 0) { 983 for (c = 0; c < children; c++) 984 if ((ret = max_width(zhp, child[c], depth + 2, 985 max)) > max) 986 max = ret; 987 } 988 989 990 return (max); 991 } 992 993 typedef struct spare_cbdata { 994 uint64_t cb_guid; 995 zpool_handle_t *cb_zhp; 996 } spare_cbdata_t; 997 998 static boolean_t 999 find_vdev(nvlist_t *nv, uint64_t search) 1000 { 1001 uint64_t guid; 1002 nvlist_t **child; 1003 uint_t c, children; 1004 1005 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1006 search == guid) 1007 return (B_TRUE); 1008 1009 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1010 &child, &children) == 0) { 1011 for (c = 0; c < children; c++) 1012 if (find_vdev(child[c], search)) 1013 return (B_TRUE); 1014 } 1015 1016 return (B_FALSE); 1017 } 1018 1019 static int 1020 find_spare(zpool_handle_t *zhp, void *data) 1021 { 1022 spare_cbdata_t *cbp = data; 1023 nvlist_t *config, *nvroot; 1024 1025 config = zpool_get_config(zhp, NULL); 1026 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1027 &nvroot) == 0); 1028 1029 if (find_vdev(nvroot, cbp->cb_guid)) { 1030 cbp->cb_zhp = zhp; 1031 return (1); 1032 } 1033 1034 zpool_close(zhp); 1035 return (0); 1036 } 1037 1038 /* 1039 * Print out configuration state as requested by status_callback. 1040 */ 1041 void 1042 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1043 int namewidth, int depth, boolean_t isspare) 1044 { 1045 nvlist_t **child; 1046 uint_t c, children; 1047 vdev_stat_t *vs; 1048 char rbuf[6], wbuf[6], cbuf[6], repaired[7]; 1049 char *vname; 1050 uint64_t notpresent; 1051 spare_cbdata_t cb; 1052 char *state; 1053 1054 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 1055 (uint64_t **)&vs, &c) == 0); 1056 1057 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1058 &child, &children) != 0) 1059 children = 0; 1060 1061 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1062 if (isspare) { 1063 /* 1064 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1065 * online drives. 1066 */ 1067 if (vs->vs_aux == VDEV_AUX_SPARED) 1068 state = "INUSE"; 1069 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1070 state = "AVAIL"; 1071 } 1072 1073 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1074 name, state); 1075 1076 if (!isspare) { 1077 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1078 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1079 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1080 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1081 } 1082 1083 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1084 ¬present) == 0) { 1085 char *path; 1086 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1087 (void) printf(" was %s", path); 1088 } else if (vs->vs_aux != 0) { 1089 (void) printf(" "); 1090 1091 switch (vs->vs_aux) { 1092 case VDEV_AUX_OPEN_FAILED: 1093 (void) printf(gettext("cannot open")); 1094 break; 1095 1096 case VDEV_AUX_BAD_GUID_SUM: 1097 (void) printf(gettext("missing device")); 1098 break; 1099 1100 case VDEV_AUX_NO_REPLICAS: 1101 (void) printf(gettext("insufficient replicas")); 1102 break; 1103 1104 case VDEV_AUX_VERSION_NEWER: 1105 (void) printf(gettext("newer version")); 1106 break; 1107 1108 case VDEV_AUX_SPARED: 1109 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1110 &cb.cb_guid) == 0); 1111 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1112 if (strcmp(zpool_get_name(cb.cb_zhp), 1113 zpool_get_name(zhp)) == 0) 1114 (void) printf(gettext("currently in " 1115 "use")); 1116 else 1117 (void) printf(gettext("in use by " 1118 "pool '%s'"), 1119 zpool_get_name(cb.cb_zhp)); 1120 zpool_close(cb.cb_zhp); 1121 } else { 1122 (void) printf(gettext("currently in use")); 1123 } 1124 break; 1125 1126 case VDEV_AUX_ERR_EXCEEDED: 1127 (void) printf(gettext("too many errors")); 1128 break; 1129 1130 case VDEV_AUX_IO_FAILURE: 1131 (void) printf(gettext("experienced I/O failures")); 1132 break; 1133 1134 case VDEV_AUX_BAD_LOG: 1135 (void) printf(gettext("bad intent log")); 1136 break; 1137 1138 case VDEV_AUX_EXTERNAL: 1139 (void) printf(gettext("external device fault")); 1140 break; 1141 1142 case VDEV_AUX_SPLIT_POOL: 1143 (void) printf(gettext("split into new pool")); 1144 break; 1145 1146 default: 1147 (void) printf(gettext("corrupted data")); 1148 break; 1149 } 1150 } else if (vs->vs_scrub_repaired != 0 && children == 0) { 1151 /* 1152 * Report bytes resilvered/repaired on leaf devices. 1153 */ 1154 zfs_nicenum(vs->vs_scrub_repaired, repaired, sizeof (repaired)); 1155 (void) printf(gettext(" %s %s"), repaired, 1156 (vs->vs_scrub_type == POOL_SCRUB_RESILVER) ? 1157 "resilvered" : "repaired"); 1158 } 1159 1160 (void) printf("\n"); 1161 1162 for (c = 0; c < children; c++) { 1163 uint64_t islog = B_FALSE, ishole = B_FALSE; 1164 1165 /* Don't print logs or holes here */ 1166 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1167 &islog); 1168 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1169 &ishole); 1170 if (islog || ishole) 1171 continue; 1172 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1173 print_status_config(zhp, vname, child[c], 1174 namewidth, depth + 2, isspare); 1175 free(vname); 1176 } 1177 } 1178 1179 1180 /* 1181 * Print the configuration of an exported pool. Iterate over all vdevs in the 1182 * pool, printing out the name and status for each one. 1183 */ 1184 void 1185 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1186 { 1187 nvlist_t **child; 1188 uint_t c, children; 1189 vdev_stat_t *vs; 1190 char *type, *vname; 1191 1192 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1193 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1194 strcmp(type, VDEV_TYPE_HOLE) == 0) 1195 return; 1196 1197 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 1198 (uint64_t **)&vs, &c) == 0); 1199 1200 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1201 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1202 1203 if (vs->vs_aux != 0) { 1204 (void) printf(" "); 1205 1206 switch (vs->vs_aux) { 1207 case VDEV_AUX_OPEN_FAILED: 1208 (void) printf(gettext("cannot open")); 1209 break; 1210 1211 case VDEV_AUX_BAD_GUID_SUM: 1212 (void) printf(gettext("missing device")); 1213 break; 1214 1215 case VDEV_AUX_NO_REPLICAS: 1216 (void) printf(gettext("insufficient replicas")); 1217 break; 1218 1219 case VDEV_AUX_VERSION_NEWER: 1220 (void) printf(gettext("newer version")); 1221 break; 1222 1223 case VDEV_AUX_ERR_EXCEEDED: 1224 (void) printf(gettext("too many errors")); 1225 break; 1226 1227 default: 1228 (void) printf(gettext("corrupted data")); 1229 break; 1230 } 1231 } 1232 (void) printf("\n"); 1233 1234 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1235 &child, &children) != 0) 1236 return; 1237 1238 for (c = 0; c < children; c++) { 1239 uint64_t is_log = B_FALSE; 1240 1241 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1242 &is_log); 1243 if (is_log) 1244 continue; 1245 1246 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1247 print_import_config(vname, child[c], namewidth, depth + 2); 1248 free(vname); 1249 } 1250 1251 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1252 &child, &children) == 0) { 1253 (void) printf(gettext("\tcache\n")); 1254 for (c = 0; c < children; c++) { 1255 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1256 (void) printf("\t %s\n", vname); 1257 free(vname); 1258 } 1259 } 1260 1261 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1262 &child, &children) == 0) { 1263 (void) printf(gettext("\tspares\n")); 1264 for (c = 0; c < children; c++) { 1265 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1266 (void) printf("\t %s\n", vname); 1267 free(vname); 1268 } 1269 } 1270 } 1271 1272 /* 1273 * Print log vdevs. 1274 * Logs are recorded as top level vdevs in the main pool child array 1275 * but with "is_log" set to 1. We use either print_status_config() or 1276 * print_import_config() to print the top level logs then any log 1277 * children (eg mirrored slogs) are printed recursively - which 1278 * works because only the top level vdev is marked "is_log" 1279 */ 1280 static void 1281 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1282 { 1283 uint_t c, children; 1284 nvlist_t **child; 1285 1286 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1287 &children) != 0) 1288 return; 1289 1290 (void) printf(gettext("\tlogs\n")); 1291 1292 for (c = 0; c < children; c++) { 1293 uint64_t is_log = B_FALSE; 1294 char *name; 1295 1296 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1297 &is_log); 1298 if (!is_log) 1299 continue; 1300 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1301 if (verbose) 1302 print_status_config(zhp, name, child[c], namewidth, 1303 2, B_FALSE); 1304 else 1305 print_import_config(name, child[c], namewidth, 2); 1306 free(name); 1307 } 1308 } 1309 1310 /* 1311 * Display the status for the given pool. 1312 */ 1313 static void 1314 show_import(nvlist_t *config) 1315 { 1316 uint64_t pool_state; 1317 vdev_stat_t *vs; 1318 char *name; 1319 uint64_t guid; 1320 char *msgid; 1321 nvlist_t *nvroot; 1322 int reason; 1323 const char *health; 1324 uint_t vsc; 1325 int namewidth; 1326 1327 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1328 &name) == 0); 1329 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1330 &guid) == 0); 1331 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1332 &pool_state) == 0); 1333 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1334 &nvroot) == 0); 1335 1336 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS, 1337 (uint64_t **)&vs, &vsc) == 0); 1338 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1339 1340 reason = zpool_import_status(config, &msgid); 1341 1342 (void) printf(gettext(" pool: %s\n"), name); 1343 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1344 (void) printf(gettext(" state: %s"), health); 1345 if (pool_state == POOL_STATE_DESTROYED) 1346 (void) printf(gettext(" (DESTROYED)")); 1347 (void) printf("\n"); 1348 1349 switch (reason) { 1350 case ZPOOL_STATUS_MISSING_DEV_R: 1351 case ZPOOL_STATUS_MISSING_DEV_NR: 1352 case ZPOOL_STATUS_BAD_GUID_SUM: 1353 (void) printf(gettext("status: One or more devices are missing " 1354 "from the system.\n")); 1355 break; 1356 1357 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1358 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1359 (void) printf(gettext("status: One or more devices contains " 1360 "corrupted data.\n")); 1361 break; 1362 1363 case ZPOOL_STATUS_CORRUPT_DATA: 1364 (void) printf(gettext("status: The pool data is corrupted.\n")); 1365 break; 1366 1367 case ZPOOL_STATUS_OFFLINE_DEV: 1368 (void) printf(gettext("status: One or more devices " 1369 "are offlined.\n")); 1370 break; 1371 1372 case ZPOOL_STATUS_CORRUPT_POOL: 1373 (void) printf(gettext("status: The pool metadata is " 1374 "corrupted.\n")); 1375 break; 1376 1377 case ZPOOL_STATUS_VERSION_OLDER: 1378 (void) printf(gettext("status: The pool is formatted using an " 1379 "older on-disk version.\n")); 1380 break; 1381 1382 case ZPOOL_STATUS_VERSION_NEWER: 1383 (void) printf(gettext("status: The pool is formatted using an " 1384 "incompatible version.\n")); 1385 break; 1386 1387 case ZPOOL_STATUS_HOSTID_MISMATCH: 1388 (void) printf(gettext("status: The pool was last accessed by " 1389 "another system.\n")); 1390 break; 1391 1392 case ZPOOL_STATUS_FAULTED_DEV_R: 1393 case ZPOOL_STATUS_FAULTED_DEV_NR: 1394 (void) printf(gettext("status: One or more devices are " 1395 "faulted.\n")); 1396 break; 1397 1398 case ZPOOL_STATUS_BAD_LOG: 1399 (void) printf(gettext("status: An intent log record cannot be " 1400 "read.\n")); 1401 break; 1402 1403 default: 1404 /* 1405 * No other status can be seen when importing pools. 1406 */ 1407 assert(reason == ZPOOL_STATUS_OK); 1408 } 1409 1410 /* 1411 * Print out an action according to the overall state of the pool. 1412 */ 1413 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1414 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1415 (void) printf(gettext("action: The pool can be " 1416 "imported using its name or numeric identifier, " 1417 "though\n\tsome features will not be available " 1418 "without an explicit 'zpool upgrade'.\n")); 1419 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1420 (void) printf(gettext("action: The pool can be " 1421 "imported using its name or numeric " 1422 "identifier and\n\tthe '-f' flag.\n")); 1423 else 1424 (void) printf(gettext("action: The pool can be " 1425 "imported using its name or numeric " 1426 "identifier.\n")); 1427 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1428 (void) printf(gettext("action: The pool can be imported " 1429 "despite missing or damaged devices. The\n\tfault " 1430 "tolerance of the pool may be compromised if imported.\n")); 1431 } else { 1432 switch (reason) { 1433 case ZPOOL_STATUS_VERSION_NEWER: 1434 (void) printf(gettext("action: The pool cannot be " 1435 "imported. Access the pool on a system running " 1436 "newer\n\tsoftware, or recreate the pool from " 1437 "backup.\n")); 1438 break; 1439 case ZPOOL_STATUS_MISSING_DEV_R: 1440 case ZPOOL_STATUS_MISSING_DEV_NR: 1441 case ZPOOL_STATUS_BAD_GUID_SUM: 1442 (void) printf(gettext("action: The pool cannot be " 1443 "imported. Attach the missing\n\tdevices and try " 1444 "again.\n")); 1445 break; 1446 default: 1447 (void) printf(gettext("action: The pool cannot be " 1448 "imported due to damaged devices or data.\n")); 1449 } 1450 } 1451 1452 /* 1453 * If the state is "closed" or "can't open", and the aux state 1454 * is "corrupt data": 1455 */ 1456 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1457 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1458 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1459 if (pool_state == POOL_STATE_DESTROYED) 1460 (void) printf(gettext("\tThe pool was destroyed, " 1461 "but can be imported using the '-Df' flags.\n")); 1462 else if (pool_state != POOL_STATE_EXPORTED) 1463 (void) printf(gettext("\tThe pool may be active on " 1464 "another system, but can be imported using\n\t" 1465 "the '-f' flag.\n")); 1466 } 1467 1468 if (msgid != NULL) 1469 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1470 msgid); 1471 1472 (void) printf(gettext("config:\n\n")); 1473 1474 namewidth = max_width(NULL, nvroot, 0, 0); 1475 if (namewidth < 10) 1476 namewidth = 10; 1477 1478 print_import_config(name, nvroot, namewidth, 0); 1479 if (num_logs(nvroot) > 0) 1480 print_logs(NULL, nvroot, namewidth, B_FALSE); 1481 1482 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1483 (void) printf(gettext("\n\tAdditional devices are known to " 1484 "be part of this pool, though their\n\texact " 1485 "configuration cannot be determined.\n")); 1486 } 1487 } 1488 1489 /* 1490 * Perform the import for the given configuration. This passes the heavy 1491 * lifting off to zpool_import_props(), and then mounts the datasets contained 1492 * within the pool. 1493 */ 1494 static int 1495 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1496 int force, nvlist_t *props, boolean_t do_verbatim) 1497 { 1498 zpool_handle_t *zhp; 1499 char *name; 1500 uint64_t state; 1501 uint64_t version; 1502 1503 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1504 &name) == 0); 1505 1506 verify(nvlist_lookup_uint64(config, 1507 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1508 verify(nvlist_lookup_uint64(config, 1509 ZPOOL_CONFIG_VERSION, &version) == 0); 1510 if (version > SPA_VERSION) { 1511 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1512 "is formatted using a newer ZFS version\n"), name); 1513 return (1); 1514 } else if (state != POOL_STATE_EXPORTED && !force) { 1515 uint64_t hostid; 1516 1517 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1518 &hostid) == 0) { 1519 if ((unsigned long)hostid != gethostid()) { 1520 char *hostname; 1521 uint64_t timestamp; 1522 time_t t; 1523 1524 verify(nvlist_lookup_string(config, 1525 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1526 verify(nvlist_lookup_uint64(config, 1527 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1528 t = timestamp; 1529 (void) fprintf(stderr, gettext("cannot import " 1530 "'%s': pool may be in use from other " 1531 "system, it was last accessed by %s " 1532 "(hostid: 0x%lx) on %s"), name, hostname, 1533 (unsigned long)hostid, 1534 asctime(localtime(&t))); 1535 (void) fprintf(stderr, gettext("use '-f' to " 1536 "import anyway\n")); 1537 return (1); 1538 } 1539 } else { 1540 (void) fprintf(stderr, gettext("cannot import '%s': " 1541 "pool may be in use from other system\n"), name); 1542 (void) fprintf(stderr, gettext("use '-f' to import " 1543 "anyway\n")); 1544 return (1); 1545 } 1546 } 1547 1548 if (zpool_import_props(g_zfs, config, newname, props, do_verbatim) != 0) 1549 return (1); 1550 1551 if (newname != NULL) 1552 name = (char *)newname; 1553 1554 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1555 return (1); 1556 1557 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1558 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1559 zpool_close(zhp); 1560 return (1); 1561 } 1562 1563 zpool_close(zhp); 1564 return (0); 1565 } 1566 1567 /* 1568 * zpool import [-d dir] [-D] 1569 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1570 * [-d dir | -c cachefile] [-f] -a 1571 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1572 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1573 * 1574 * -c Read pool information from a cachefile instead of searching 1575 * devices. 1576 * 1577 * -d Scan in a specific directory, other than /dev/dsk. More than 1578 * one directory can be specified using multiple '-d' options. 1579 * 1580 * -D Scan for previously destroyed pools or import all or only 1581 * specified destroyed pools. 1582 * 1583 * -R Temporarily import the pool, with all mountpoints relative to 1584 * the given root. The pool will remain exported when the machine 1585 * is rebooted. 1586 * 1587 * -V Import even in the presence of faulted vdevs. This is an 1588 * intentionally undocumented option for testing purposes, and 1589 * treats the pool configuration as complete, leaving any bad 1590 * vdevs in the FAULTED state. In other words, it does verbatim 1591 * import. 1592 * 1593 * -f Force import, even if it appears that the pool is active. 1594 * 1595 * -F Attempt rewind if necessary. 1596 * 1597 * -n See if rewind would work, but don't actually rewind. 1598 * 1599 * -a Import all pools found. 1600 * 1601 * -o Set property=value and/or temporary mount options (without '='). 1602 * 1603 * The import command scans for pools to import, and import pools based on pool 1604 * name and GUID. The pool can also be renamed as part of the import process. 1605 */ 1606 int 1607 zpool_do_import(int argc, char **argv) 1608 { 1609 char **searchdirs = NULL; 1610 int nsearch = 0; 1611 int c; 1612 int err; 1613 nvlist_t *pools = NULL; 1614 boolean_t do_all = B_FALSE; 1615 boolean_t do_destroyed = B_FALSE; 1616 char *mntopts = NULL; 1617 boolean_t do_force = B_FALSE; 1618 nvpair_t *elem; 1619 nvlist_t *config; 1620 uint64_t searchguid = 0; 1621 char *searchname = NULL; 1622 char *propval; 1623 nvlist_t *found_config; 1624 nvlist_t *policy = NULL; 1625 nvlist_t *props = NULL; 1626 boolean_t first; 1627 boolean_t do_verbatim = B_FALSE; 1628 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1629 boolean_t dryrun = B_FALSE; 1630 boolean_t do_rewind = B_FALSE; 1631 boolean_t xtreme_rewind = B_FALSE; 1632 uint64_t pool_state; 1633 char *cachefile = NULL; 1634 1635 /* check options */ 1636 while ((c = getopt(argc, argv, ":aCc:d:DEfFno:rR:VX")) != -1) { 1637 switch (c) { 1638 case 'a': 1639 do_all = B_TRUE; 1640 break; 1641 case 'c': 1642 cachefile = optarg; 1643 break; 1644 case 'd': 1645 if (searchdirs == NULL) { 1646 searchdirs = safe_malloc(sizeof (char *)); 1647 } else { 1648 char **tmp = safe_malloc((nsearch + 1) * 1649 sizeof (char *)); 1650 bcopy(searchdirs, tmp, nsearch * 1651 sizeof (char *)); 1652 free(searchdirs); 1653 searchdirs = tmp; 1654 } 1655 searchdirs[nsearch++] = optarg; 1656 break; 1657 case 'D': 1658 do_destroyed = B_TRUE; 1659 break; 1660 case 'f': 1661 do_force = B_TRUE; 1662 break; 1663 case 'F': 1664 do_rewind = B_TRUE; 1665 break; 1666 case 'n': 1667 dryrun = B_TRUE; 1668 break; 1669 case 'o': 1670 if ((propval = strchr(optarg, '=')) != NULL) { 1671 *propval = '\0'; 1672 propval++; 1673 if (add_prop_list(optarg, propval, 1674 &props, B_TRUE)) 1675 goto error; 1676 } else { 1677 mntopts = optarg; 1678 } 1679 break; 1680 case 'R': 1681 if (add_prop_list(zpool_prop_to_name( 1682 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1683 goto error; 1684 if (nvlist_lookup_string(props, 1685 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1686 &propval) == 0) 1687 break; 1688 if (add_prop_list(zpool_prop_to_name( 1689 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1690 goto error; 1691 break; 1692 case 'V': 1693 do_verbatim = B_TRUE; 1694 break; 1695 case 'X': 1696 xtreme_rewind = B_TRUE; 1697 break; 1698 case ':': 1699 (void) fprintf(stderr, gettext("missing argument for " 1700 "'%c' option\n"), optopt); 1701 usage(B_FALSE); 1702 break; 1703 case '?': 1704 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1705 optopt); 1706 usage(B_FALSE); 1707 } 1708 } 1709 1710 argc -= optind; 1711 argv += optind; 1712 1713 if (cachefile && nsearch != 0) { 1714 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1715 usage(B_FALSE); 1716 } 1717 1718 if ((dryrun || xtreme_rewind) && !do_rewind) { 1719 (void) fprintf(stderr, 1720 gettext("-n or -X only meaningful with -F\n")); 1721 usage(B_FALSE); 1722 } 1723 if (dryrun) 1724 rewind_policy = ZPOOL_TRY_REWIND; 1725 else if (do_rewind) 1726 rewind_policy = ZPOOL_DO_REWIND; 1727 if (xtreme_rewind) 1728 rewind_policy |= ZPOOL_EXTREME_REWIND; 1729 1730 /* In the future, we can capture further policy and include it here */ 1731 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1732 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1733 goto error; 1734 1735 if (searchdirs == NULL) { 1736 searchdirs = safe_malloc(sizeof (char *)); 1737 searchdirs[0] = "/dev/dsk"; 1738 nsearch = 1; 1739 } 1740 1741 /* check argument count */ 1742 if (do_all) { 1743 if (argc != 0) { 1744 (void) fprintf(stderr, gettext("too many arguments\n")); 1745 usage(B_FALSE); 1746 } 1747 } else { 1748 if (argc > 2) { 1749 (void) fprintf(stderr, gettext("too many arguments\n")); 1750 usage(B_FALSE); 1751 } 1752 1753 /* 1754 * Check for the SYS_CONFIG privilege. We do this explicitly 1755 * here because otherwise any attempt to discover pools will 1756 * silently fail. 1757 */ 1758 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1759 (void) fprintf(stderr, gettext("cannot " 1760 "discover pools: permission denied\n")); 1761 free(searchdirs); 1762 nvlist_free(policy); 1763 return (1); 1764 } 1765 } 1766 1767 /* 1768 * Depending on the arguments given, we do one of the following: 1769 * 1770 * <none> Iterate through all pools and display information about 1771 * each one. 1772 * 1773 * -a Iterate through all pools and try to import each one. 1774 * 1775 * <id> Find the pool that corresponds to the given GUID/pool 1776 * name and import that one. 1777 * 1778 * -D Above options applies only to destroyed pools. 1779 */ 1780 if (argc != 0) { 1781 char *endptr; 1782 1783 errno = 0; 1784 searchguid = strtoull(argv[0], &endptr, 10); 1785 if (errno != 0 || *endptr != '\0') 1786 searchname = argv[0]; 1787 found_config = NULL; 1788 } 1789 1790 if (cachefile) { 1791 pools = zpool_find_import_cached(g_zfs, cachefile, searchname, 1792 searchguid); 1793 } else if (searchname != NULL) { 1794 pools = zpool_find_import_byname(g_zfs, nsearch, searchdirs, 1795 searchname); 1796 } else { 1797 /* 1798 * It's OK to search by guid even if searchguid is 0. 1799 */ 1800 pools = zpool_find_import_byguid(g_zfs, nsearch, searchdirs, 1801 searchguid); 1802 } 1803 1804 if (pools == NULL) { 1805 if (argc != 0) { 1806 (void) fprintf(stderr, gettext("cannot import '%s': " 1807 "no such pool available\n"), argv[0]); 1808 } 1809 free(searchdirs); 1810 nvlist_free(policy); 1811 return (1); 1812 } 1813 1814 /* 1815 * At this point we have a list of import candidate configs. Even if 1816 * we were searching by pool name or guid, we still need to 1817 * post-process the list to deal with pool state and possible 1818 * duplicate names. 1819 */ 1820 err = 0; 1821 elem = NULL; 1822 first = B_TRUE; 1823 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1824 1825 verify(nvpair_value_nvlist(elem, &config) == 0); 1826 1827 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1828 &pool_state) == 0); 1829 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1830 continue; 1831 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1832 continue; 1833 1834 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1835 policy) == 0); 1836 1837 if (argc == 0) { 1838 if (first) 1839 first = B_FALSE; 1840 else if (!do_all) 1841 (void) printf("\n"); 1842 1843 if (do_all) { 1844 err |= do_import(config, NULL, mntopts, 1845 do_force, props, do_verbatim); 1846 } else { 1847 show_import(config); 1848 } 1849 } else if (searchname != NULL) { 1850 char *name; 1851 1852 /* 1853 * We are searching for a pool based on name. 1854 */ 1855 verify(nvlist_lookup_string(config, 1856 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1857 1858 if (strcmp(name, searchname) == 0) { 1859 if (found_config != NULL) { 1860 (void) fprintf(stderr, gettext( 1861 "cannot import '%s': more than " 1862 "one matching pool\n"), searchname); 1863 (void) fprintf(stderr, gettext( 1864 "import by numeric ID instead\n")); 1865 err = B_TRUE; 1866 } 1867 found_config = config; 1868 } 1869 } else { 1870 uint64_t guid; 1871 1872 /* 1873 * Search for a pool by guid. 1874 */ 1875 verify(nvlist_lookup_uint64(config, 1876 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1877 1878 if (guid == searchguid) 1879 found_config = config; 1880 } 1881 } 1882 1883 /* 1884 * If we were searching for a specific pool, verify that we found a 1885 * pool, and then do the import. 1886 */ 1887 if (argc != 0 && err == 0) { 1888 if (found_config == NULL) { 1889 (void) fprintf(stderr, gettext("cannot import '%s': " 1890 "no such pool available\n"), argv[0]); 1891 err = B_TRUE; 1892 } else { 1893 err |= do_import(found_config, argc == 1 ? NULL : 1894 argv[1], mntopts, do_force, props, do_verbatim); 1895 } 1896 } 1897 1898 /* 1899 * If we were just looking for pools, report an error if none were 1900 * found. 1901 */ 1902 if (argc == 0 && first) 1903 (void) fprintf(stderr, 1904 gettext("no pools available to import\n")); 1905 1906 error: 1907 nvlist_free(props); 1908 nvlist_free(pools); 1909 nvlist_free(policy); 1910 free(searchdirs); 1911 1912 return (err ? 1 : 0); 1913 } 1914 1915 typedef struct iostat_cbdata { 1916 zpool_list_t *cb_list; 1917 int cb_verbose; 1918 int cb_iteration; 1919 int cb_namewidth; 1920 } iostat_cbdata_t; 1921 1922 static void 1923 print_iostat_separator(iostat_cbdata_t *cb) 1924 { 1925 int i = 0; 1926 1927 for (i = 0; i < cb->cb_namewidth; i++) 1928 (void) printf("-"); 1929 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1930 } 1931 1932 static void 1933 print_iostat_header(iostat_cbdata_t *cb) 1934 { 1935 (void) printf("%*s capacity operations bandwidth\n", 1936 cb->cb_namewidth, ""); 1937 (void) printf("%-*s alloc free read write read write\n", 1938 cb->cb_namewidth, "pool"); 1939 print_iostat_separator(cb); 1940 } 1941 1942 /* 1943 * Display a single statistic. 1944 */ 1945 static void 1946 print_one_stat(uint64_t value) 1947 { 1948 char buf[64]; 1949 1950 zfs_nicenum(value, buf, sizeof (buf)); 1951 (void) printf(" %5s", buf); 1952 } 1953 1954 /* 1955 * Print out all the statistics for the given vdev. This can either be the 1956 * toplevel configuration, or called recursively. If 'name' is NULL, then this 1957 * is a verbose output, and we don't want to display the toplevel pool stats. 1958 */ 1959 void 1960 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 1961 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 1962 { 1963 nvlist_t **oldchild, **newchild; 1964 uint_t c, children; 1965 vdev_stat_t *oldvs, *newvs; 1966 vdev_stat_t zerovs = { 0 }; 1967 uint64_t tdelta; 1968 double scale; 1969 char *vname; 1970 1971 if (oldnv != NULL) { 1972 verify(nvlist_lookup_uint64_array(oldnv, ZPOOL_CONFIG_STATS, 1973 (uint64_t **)&oldvs, &c) == 0); 1974 } else { 1975 oldvs = &zerovs; 1976 } 1977 1978 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_STATS, 1979 (uint64_t **)&newvs, &c) == 0); 1980 1981 if (strlen(name) + depth > cb->cb_namewidth) 1982 (void) printf("%*s%s", depth, "", name); 1983 else 1984 (void) printf("%*s%s%*s", depth, "", name, 1985 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 1986 1987 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 1988 1989 if (tdelta == 0) 1990 scale = 1.0; 1991 else 1992 scale = (double)NANOSEC / tdelta; 1993 1994 /* only toplevel vdevs have capacity stats */ 1995 if (newvs->vs_space == 0) { 1996 (void) printf(" - -"); 1997 } else { 1998 print_one_stat(newvs->vs_alloc); 1999 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2000 } 2001 2002 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2003 oldvs->vs_ops[ZIO_TYPE_READ]))); 2004 2005 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2006 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2007 2008 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2009 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2010 2011 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2012 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2013 2014 (void) printf("\n"); 2015 2016 if (!cb->cb_verbose) 2017 return; 2018 2019 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2020 &newchild, &children) != 0) 2021 return; 2022 2023 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2024 &oldchild, &c) != 0) 2025 return; 2026 2027 for (c = 0; c < children; c++) { 2028 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2029 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2030 newchild[c], cb, depth + 2); 2031 free(vname); 2032 } 2033 2034 /* 2035 * Include level 2 ARC devices in iostat output 2036 */ 2037 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2038 &newchild, &children) != 0) 2039 return; 2040 2041 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2042 &oldchild, &c) != 0) 2043 return; 2044 2045 if (children > 0) { 2046 (void) printf("%-*s - - - - - " 2047 "-\n", cb->cb_namewidth, "cache"); 2048 for (c = 0; c < children; c++) { 2049 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2050 B_FALSE); 2051 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2052 newchild[c], cb, depth + 2); 2053 free(vname); 2054 } 2055 } 2056 } 2057 2058 static int 2059 refresh_iostat(zpool_handle_t *zhp, void *data) 2060 { 2061 iostat_cbdata_t *cb = data; 2062 boolean_t missing; 2063 2064 /* 2065 * If the pool has disappeared, remove it from the list and continue. 2066 */ 2067 if (zpool_refresh_stats(zhp, &missing) != 0) 2068 return (-1); 2069 2070 if (missing) 2071 pool_list_remove(cb->cb_list, zhp); 2072 2073 return (0); 2074 } 2075 2076 /* 2077 * Callback to print out the iostats for the given pool. 2078 */ 2079 int 2080 print_iostat(zpool_handle_t *zhp, void *data) 2081 { 2082 iostat_cbdata_t *cb = data; 2083 nvlist_t *oldconfig, *newconfig; 2084 nvlist_t *oldnvroot, *newnvroot; 2085 2086 newconfig = zpool_get_config(zhp, &oldconfig); 2087 2088 if (cb->cb_iteration == 1) 2089 oldconfig = NULL; 2090 2091 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2092 &newnvroot) == 0); 2093 2094 if (oldconfig == NULL) 2095 oldnvroot = NULL; 2096 else 2097 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2098 &oldnvroot) == 0); 2099 2100 /* 2101 * Print out the statistics for the pool. 2102 */ 2103 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2104 2105 if (cb->cb_verbose) 2106 print_iostat_separator(cb); 2107 2108 return (0); 2109 } 2110 2111 int 2112 get_namewidth(zpool_handle_t *zhp, void *data) 2113 { 2114 iostat_cbdata_t *cb = data; 2115 nvlist_t *config, *nvroot; 2116 2117 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2118 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2119 &nvroot) == 0); 2120 if (!cb->cb_verbose) 2121 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2122 else 2123 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2124 } 2125 2126 /* 2127 * The width must fall into the range [10,38]. The upper limit is the 2128 * maximum we can have and still fit in 80 columns. 2129 */ 2130 if (cb->cb_namewidth < 10) 2131 cb->cb_namewidth = 10; 2132 if (cb->cb_namewidth > 38) 2133 cb->cb_namewidth = 38; 2134 2135 return (0); 2136 } 2137 2138 /* 2139 * zpool iostat [-T d|u] [-v] [pool] ... [interval [count]] 2140 * 2141 * -T Display a timestamp in date(1) or Unix format 2142 * -v Display statistics for individual vdevs 2143 * 2144 * This command can be tricky because we want to be able to deal with pool 2145 * creation/destruction as well as vdev configuration changes. The bulk of this 2146 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2147 * on pool_list_update() to detect the addition of new pools. Configuration 2148 * changes are all handled within libzfs. 2149 */ 2150 int 2151 zpool_do_iostat(int argc, char **argv) 2152 { 2153 int c; 2154 int ret; 2155 int npools; 2156 unsigned long interval = 0, count = 0; 2157 zpool_list_t *list; 2158 boolean_t verbose = B_FALSE; 2159 iostat_cbdata_t cb; 2160 2161 /* check options */ 2162 while ((c = getopt(argc, argv, "T:v")) != -1) { 2163 switch (c) { 2164 case 'T': 2165 if (optarg) { 2166 if (*optarg == 'u') 2167 timestamp_fmt = UDATE; 2168 else if (*optarg == 'd') 2169 timestamp_fmt = DDATE; 2170 else 2171 usage(B_FALSE); 2172 } else { 2173 usage(B_FALSE); 2174 } 2175 break; 2176 case 'v': 2177 verbose = B_TRUE; 2178 break; 2179 case '?': 2180 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2181 optopt); 2182 usage(B_FALSE); 2183 } 2184 } 2185 2186 argc -= optind; 2187 argv += optind; 2188 2189 /* 2190 * Determine if the last argument is an integer or a pool name 2191 */ 2192 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2193 char *end; 2194 2195 errno = 0; 2196 interval = strtoul(argv[argc - 1], &end, 10); 2197 2198 if (*end == '\0' && errno == 0) { 2199 if (interval == 0) { 2200 (void) fprintf(stderr, gettext("interval " 2201 "cannot be zero\n")); 2202 usage(B_FALSE); 2203 } 2204 2205 /* 2206 * Ignore the last parameter 2207 */ 2208 argc--; 2209 } else { 2210 /* 2211 * If this is not a valid number, just plow on. The 2212 * user will get a more informative error message later 2213 * on. 2214 */ 2215 interval = 0; 2216 } 2217 } 2218 2219 /* 2220 * If the last argument is also an integer, then we have both a count 2221 * and an integer. 2222 */ 2223 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2224 char *end; 2225 2226 errno = 0; 2227 count = interval; 2228 interval = strtoul(argv[argc - 1], &end, 10); 2229 2230 if (*end == '\0' && errno == 0) { 2231 if (interval == 0) { 2232 (void) fprintf(stderr, gettext("interval " 2233 "cannot be zero\n")); 2234 usage(B_FALSE); 2235 } 2236 2237 /* 2238 * Ignore the last parameter 2239 */ 2240 argc--; 2241 } else { 2242 interval = 0; 2243 } 2244 } 2245 2246 /* 2247 * Construct the list of all interesting pools. 2248 */ 2249 ret = 0; 2250 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2251 return (1); 2252 2253 if (pool_list_count(list) == 0 && argc != 0) { 2254 pool_list_free(list); 2255 return (1); 2256 } 2257 2258 if (pool_list_count(list) == 0 && interval == 0) { 2259 pool_list_free(list); 2260 (void) fprintf(stderr, gettext("no pools available\n")); 2261 return (1); 2262 } 2263 2264 /* 2265 * Enter the main iostat loop. 2266 */ 2267 cb.cb_list = list; 2268 cb.cb_verbose = verbose; 2269 cb.cb_iteration = 0; 2270 cb.cb_namewidth = 0; 2271 2272 for (;;) { 2273 pool_list_update(list); 2274 2275 if ((npools = pool_list_count(list)) == 0) 2276 break; 2277 2278 /* 2279 * Refresh all statistics. This is done as an explicit step 2280 * before calculating the maximum name width, so that any 2281 * configuration changes are properly accounted for. 2282 */ 2283 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2284 2285 /* 2286 * Iterate over all pools to determine the maximum width 2287 * for the pool / device name column across all pools. 2288 */ 2289 cb.cb_namewidth = 0; 2290 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2291 2292 if (timestamp_fmt != NODATE) 2293 print_timestamp(timestamp_fmt); 2294 2295 /* 2296 * If it's the first time, or verbose mode, print the header. 2297 */ 2298 if (++cb.cb_iteration == 1 || verbose) 2299 print_iostat_header(&cb); 2300 2301 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2302 2303 /* 2304 * If there's more than one pool, and we're not in verbose mode 2305 * (which prints a separator for us), then print a separator. 2306 */ 2307 if (npools > 1 && !verbose) 2308 print_iostat_separator(&cb); 2309 2310 if (verbose) 2311 (void) printf("\n"); 2312 2313 /* 2314 * Flush the output so that redirection to a file isn't buffered 2315 * indefinitely. 2316 */ 2317 (void) fflush(stdout); 2318 2319 if (interval == 0) 2320 break; 2321 2322 if (count != 0 && --count == 0) 2323 break; 2324 2325 (void) sleep(interval); 2326 } 2327 2328 pool_list_free(list); 2329 2330 return (ret); 2331 } 2332 2333 typedef struct list_cbdata { 2334 boolean_t cb_scripted; 2335 boolean_t cb_first; 2336 zprop_list_t *cb_proplist; 2337 } list_cbdata_t; 2338 2339 /* 2340 * Given a list of columns to display, output appropriate headers for each one. 2341 */ 2342 static void 2343 print_header(zprop_list_t *pl) 2344 { 2345 const char *header; 2346 boolean_t first = B_TRUE; 2347 boolean_t right_justify; 2348 2349 for (; pl != NULL; pl = pl->pl_next) { 2350 if (pl->pl_prop == ZPROP_INVAL) 2351 continue; 2352 2353 if (!first) 2354 (void) printf(" "); 2355 else 2356 first = B_FALSE; 2357 2358 header = zpool_prop_column_name(pl->pl_prop); 2359 right_justify = zpool_prop_align_right(pl->pl_prop); 2360 2361 if (pl->pl_next == NULL && !right_justify) 2362 (void) printf("%s", header); 2363 else if (right_justify) 2364 (void) printf("%*s", pl->pl_width, header); 2365 else 2366 (void) printf("%-*s", pl->pl_width, header); 2367 } 2368 2369 (void) printf("\n"); 2370 } 2371 2372 /* 2373 * Given a pool and a list of properties, print out all the properties according 2374 * to the described layout. 2375 */ 2376 static void 2377 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2378 { 2379 boolean_t first = B_TRUE; 2380 char property[ZPOOL_MAXPROPLEN]; 2381 char *propstr; 2382 boolean_t right_justify; 2383 int width; 2384 2385 for (; pl != NULL; pl = pl->pl_next) { 2386 if (!first) { 2387 if (scripted) 2388 (void) printf("\t"); 2389 else 2390 (void) printf(" "); 2391 } else { 2392 first = B_FALSE; 2393 } 2394 2395 right_justify = B_FALSE; 2396 if (pl->pl_prop != ZPROP_INVAL) { 2397 if (zpool_get_prop(zhp, pl->pl_prop, property, 2398 sizeof (property), NULL) != 0) 2399 propstr = "-"; 2400 else 2401 propstr = property; 2402 2403 right_justify = zpool_prop_align_right(pl->pl_prop); 2404 } else { 2405 propstr = "-"; 2406 } 2407 2408 width = pl->pl_width; 2409 2410 /* 2411 * If this is being called in scripted mode, or if this is the 2412 * last column and it is left-justified, don't include a width 2413 * format specifier. 2414 */ 2415 if (scripted || (pl->pl_next == NULL && !right_justify)) 2416 (void) printf("%s", propstr); 2417 else if (right_justify) 2418 (void) printf("%*s", width, propstr); 2419 else 2420 (void) printf("%-*s", width, propstr); 2421 } 2422 2423 (void) printf("\n"); 2424 } 2425 2426 /* 2427 * Generic callback function to list a pool. 2428 */ 2429 int 2430 list_callback(zpool_handle_t *zhp, void *data) 2431 { 2432 list_cbdata_t *cbp = data; 2433 2434 if (cbp->cb_first) { 2435 if (!cbp->cb_scripted) 2436 print_header(cbp->cb_proplist); 2437 cbp->cb_first = B_FALSE; 2438 } 2439 2440 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2441 2442 return (0); 2443 } 2444 2445 /* 2446 * zpool list [-H] [-o prop[,prop]*] [pool] ... 2447 * 2448 * -H Scripted mode. Don't display headers, and separate properties 2449 * by a single tab. 2450 * -o List of properties to display. Defaults to 2451 * "name,size,allocated,free,capacity,health,altroot" 2452 * 2453 * List all pools in the system, whether or not they're healthy. Output space 2454 * statistics for each one, as well as health status summary. 2455 */ 2456 int 2457 zpool_do_list(int argc, char **argv) 2458 { 2459 int c; 2460 int ret; 2461 list_cbdata_t cb = { 0 }; 2462 static char default_props[] = 2463 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2464 char *props = default_props; 2465 2466 /* check options */ 2467 while ((c = getopt(argc, argv, ":Ho:")) != -1) { 2468 switch (c) { 2469 case 'H': 2470 cb.cb_scripted = B_TRUE; 2471 break; 2472 case 'o': 2473 props = optarg; 2474 break; 2475 case ':': 2476 (void) fprintf(stderr, gettext("missing argument for " 2477 "'%c' option\n"), optopt); 2478 usage(B_FALSE); 2479 break; 2480 case '?': 2481 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2482 optopt); 2483 usage(B_FALSE); 2484 } 2485 } 2486 2487 argc -= optind; 2488 argv += optind; 2489 2490 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2491 usage(B_FALSE); 2492 2493 cb.cb_first = B_TRUE; 2494 2495 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2496 list_callback, &cb); 2497 2498 zprop_free_list(cb.cb_proplist); 2499 2500 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2501 (void) printf(gettext("no pools available\n")); 2502 return (0); 2503 } 2504 2505 return (ret); 2506 } 2507 2508 static nvlist_t * 2509 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2510 { 2511 nvlist_t **child; 2512 uint_t c, children; 2513 nvlist_t *match; 2514 char *path; 2515 2516 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2517 &child, &children) != 0) { 2518 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2519 if (strncmp(name, "/dev/dsk/", 9) == 0) 2520 name += 9; 2521 if (strncmp(path, "/dev/dsk/", 9) == 0) 2522 path += 9; 2523 if (strcmp(name, path) == 0) 2524 return (nv); 2525 return (NULL); 2526 } 2527 2528 for (c = 0; c < children; c++) 2529 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2530 return (match); 2531 2532 return (NULL); 2533 } 2534 2535 static int 2536 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2537 { 2538 boolean_t force = B_FALSE; 2539 int c; 2540 nvlist_t *nvroot; 2541 char *poolname, *old_disk, *new_disk; 2542 zpool_handle_t *zhp; 2543 int ret; 2544 2545 /* check options */ 2546 while ((c = getopt(argc, argv, "f")) != -1) { 2547 switch (c) { 2548 case 'f': 2549 force = B_TRUE; 2550 break; 2551 case '?': 2552 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2553 optopt); 2554 usage(B_FALSE); 2555 } 2556 } 2557 2558 argc -= optind; 2559 argv += optind; 2560 2561 /* get pool name and check number of arguments */ 2562 if (argc < 1) { 2563 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2564 usage(B_FALSE); 2565 } 2566 2567 poolname = argv[0]; 2568 2569 if (argc < 2) { 2570 (void) fprintf(stderr, 2571 gettext("missing <device> specification\n")); 2572 usage(B_FALSE); 2573 } 2574 2575 old_disk = argv[1]; 2576 2577 if (argc < 3) { 2578 if (!replacing) { 2579 (void) fprintf(stderr, 2580 gettext("missing <new_device> specification\n")); 2581 usage(B_FALSE); 2582 } 2583 new_disk = old_disk; 2584 argc -= 1; 2585 argv += 1; 2586 } else { 2587 new_disk = argv[2]; 2588 argc -= 2; 2589 argv += 2; 2590 } 2591 2592 if (argc > 1) { 2593 (void) fprintf(stderr, gettext("too many arguments\n")); 2594 usage(B_FALSE); 2595 } 2596 2597 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2598 return (1); 2599 2600 if (zpool_get_config(zhp, NULL) == NULL) { 2601 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2602 poolname); 2603 zpool_close(zhp); 2604 return (1); 2605 } 2606 2607 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2608 argc, argv); 2609 if (nvroot == NULL) { 2610 zpool_close(zhp); 2611 return (1); 2612 } 2613 2614 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2615 2616 nvlist_free(nvroot); 2617 zpool_close(zhp); 2618 2619 return (ret); 2620 } 2621 2622 /* 2623 * zpool replace [-f] <pool> <device> <new_device> 2624 * 2625 * -f Force attach, even if <new_device> appears to be in use. 2626 * 2627 * Replace <device> with <new_device>. 2628 */ 2629 /* ARGSUSED */ 2630 int 2631 zpool_do_replace(int argc, char **argv) 2632 { 2633 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2634 } 2635 2636 /* 2637 * zpool attach [-f] <pool> <device> <new_device> 2638 * 2639 * -f Force attach, even if <new_device> appears to be in use. 2640 * 2641 * Attach <new_device> to the mirror containing <device>. If <device> is not 2642 * part of a mirror, then <device> will be transformed into a mirror of 2643 * <device> and <new_device>. In either case, <new_device> will begin life 2644 * with a DTL of [0, now], and will immediately begin to resilver itself. 2645 */ 2646 int 2647 zpool_do_attach(int argc, char **argv) 2648 { 2649 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2650 } 2651 2652 /* 2653 * zpool detach [-f] <pool> <device> 2654 * 2655 * -f Force detach of <device>, even if DTLs argue against it 2656 * (not supported yet) 2657 * 2658 * Detach a device from a mirror. The operation will be refused if <device> 2659 * is the last device in the mirror, or if the DTLs indicate that this device 2660 * has the only valid copy of some data. 2661 */ 2662 /* ARGSUSED */ 2663 int 2664 zpool_do_detach(int argc, char **argv) 2665 { 2666 int c; 2667 char *poolname, *path; 2668 zpool_handle_t *zhp; 2669 int ret; 2670 2671 /* check options */ 2672 while ((c = getopt(argc, argv, "f")) != -1) { 2673 switch (c) { 2674 case 'f': 2675 case '?': 2676 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2677 optopt); 2678 usage(B_FALSE); 2679 } 2680 } 2681 2682 argc -= optind; 2683 argv += optind; 2684 2685 /* get pool name and check number of arguments */ 2686 if (argc < 1) { 2687 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2688 usage(B_FALSE); 2689 } 2690 2691 if (argc < 2) { 2692 (void) fprintf(stderr, 2693 gettext("missing <device> specification\n")); 2694 usage(B_FALSE); 2695 } 2696 2697 poolname = argv[0]; 2698 path = argv[1]; 2699 2700 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2701 return (1); 2702 2703 ret = zpool_vdev_detach(zhp, path); 2704 2705 zpool_close(zhp); 2706 2707 return (ret); 2708 } 2709 2710 /* 2711 * zpool split [-n] [-o prop=val] ... 2712 * [-o mntopt] ... 2713 * [-R altroot] <pool> <newpool> [<device> ...] 2714 * 2715 * -n Do not split the pool, but display the resulting layout if 2716 * it were to be split. 2717 * -o Set property=value, or set mount options. 2718 * -R Mount the split-off pool under an alternate root. 2719 * 2720 * Splits the named pool and gives it the new pool name. Devices to be split 2721 * off may be listed, provided that no more than one device is specified 2722 * per top-level vdev mirror. The newly split pool is left in an exported 2723 * state unless -R is specified. 2724 * 2725 * Restrictions: the top-level of the pool pool must only be made up of 2726 * mirrors; all devices in the pool must be healthy; no device may be 2727 * undergoing a resilvering operation. 2728 */ 2729 int 2730 zpool_do_split(int argc, char **argv) 2731 { 2732 char *srcpool, *newpool, *propval; 2733 char *mntopts = NULL; 2734 splitflags_t flags; 2735 int c, ret = 0; 2736 zpool_handle_t *zhp; 2737 nvlist_t *config, *props = NULL; 2738 2739 flags.dryrun = B_FALSE; 2740 flags.import = B_FALSE; 2741 2742 /* check options */ 2743 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2744 switch (c) { 2745 case 'R': 2746 flags.import = B_TRUE; 2747 if (add_prop_list( 2748 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2749 &props, B_TRUE) != 0) { 2750 if (props) 2751 nvlist_free(props); 2752 usage(B_FALSE); 2753 } 2754 break; 2755 case 'n': 2756 flags.dryrun = B_TRUE; 2757 break; 2758 case 'o': 2759 if ((propval = strchr(optarg, '=')) != NULL) { 2760 *propval = '\0'; 2761 propval++; 2762 if (add_prop_list(optarg, propval, 2763 &props, B_TRUE) != 0) { 2764 if (props) 2765 nvlist_free(props); 2766 usage(B_FALSE); 2767 } 2768 } else { 2769 mntopts = optarg; 2770 } 2771 break; 2772 case ':': 2773 (void) fprintf(stderr, gettext("missing argument for " 2774 "'%c' option\n"), optopt); 2775 usage(B_FALSE); 2776 break; 2777 case '?': 2778 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2779 optopt); 2780 usage(B_FALSE); 2781 break; 2782 } 2783 } 2784 2785 if (!flags.import && mntopts != NULL) { 2786 (void) fprintf(stderr, gettext("setting mntopts is only " 2787 "valid when importing the pool\n")); 2788 usage(B_FALSE); 2789 } 2790 2791 argc -= optind; 2792 argv += optind; 2793 2794 if (argc < 1) { 2795 (void) fprintf(stderr, gettext("Missing pool name\n")); 2796 usage(B_FALSE); 2797 } 2798 if (argc < 2) { 2799 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2800 usage(B_FALSE); 2801 } 2802 2803 srcpool = argv[0]; 2804 newpool = argv[1]; 2805 2806 argc -= 2; 2807 argv += 2; 2808 2809 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2810 return (1); 2811 2812 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2813 if (config == NULL) { 2814 ret = 1; 2815 } else { 2816 if (flags.dryrun) { 2817 (void) printf(gettext("would create '%s' with the " 2818 "following layout:\n\n"), newpool); 2819 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2820 } 2821 nvlist_free(config); 2822 } 2823 2824 zpool_close(zhp); 2825 2826 if (ret != 0 || flags.dryrun || !flags.import) 2827 return (ret); 2828 2829 /* 2830 * The split was successful. Now we need to open the new 2831 * pool and import it. 2832 */ 2833 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2834 return (1); 2835 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2836 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2837 ret = 1; 2838 (void) fprintf(stderr, gettext("Split was succssful, but " 2839 "the datasets could not all be mounted\n")); 2840 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2841 "different altroot\n"), "zpool import"); 2842 } 2843 zpool_close(zhp); 2844 2845 return (ret); 2846 } 2847 2848 2849 2850 /* 2851 * zpool online <pool> <device> ... 2852 */ 2853 int 2854 zpool_do_online(int argc, char **argv) 2855 { 2856 int c, i; 2857 char *poolname; 2858 zpool_handle_t *zhp; 2859 int ret = 0; 2860 vdev_state_t newstate; 2861 int flags = 0; 2862 2863 /* check options */ 2864 while ((c = getopt(argc, argv, "et")) != -1) { 2865 switch (c) { 2866 case 'e': 2867 flags |= ZFS_ONLINE_EXPAND; 2868 break; 2869 case 't': 2870 case '?': 2871 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2872 optopt); 2873 usage(B_FALSE); 2874 } 2875 } 2876 2877 argc -= optind; 2878 argv += optind; 2879 2880 /* get pool name and check number of arguments */ 2881 if (argc < 1) { 2882 (void) fprintf(stderr, gettext("missing pool name\n")); 2883 usage(B_FALSE); 2884 } 2885 if (argc < 2) { 2886 (void) fprintf(stderr, gettext("missing device name\n")); 2887 usage(B_FALSE); 2888 } 2889 2890 poolname = argv[0]; 2891 2892 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2893 return (1); 2894 2895 for (i = 1; i < argc; i++) { 2896 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 2897 if (newstate != VDEV_STATE_HEALTHY) { 2898 (void) printf(gettext("warning: device '%s' " 2899 "onlined, but remains in faulted state\n"), 2900 argv[i]); 2901 if (newstate == VDEV_STATE_FAULTED) 2902 (void) printf(gettext("use 'zpool " 2903 "clear' to restore a faulted " 2904 "device\n")); 2905 else 2906 (void) printf(gettext("use 'zpool " 2907 "replace' to replace devices " 2908 "that are no longer present\n")); 2909 } 2910 } else { 2911 ret = 1; 2912 } 2913 } 2914 2915 zpool_close(zhp); 2916 2917 return (ret); 2918 } 2919 2920 /* 2921 * zpool offline [-ft] <pool> <device> ... 2922 * 2923 * -f Force the device into the offline state, even if doing 2924 * so would appear to compromise pool availability. 2925 * (not supported yet) 2926 * 2927 * -t Only take the device off-line temporarily. The offline 2928 * state will not be persistent across reboots. 2929 */ 2930 /* ARGSUSED */ 2931 int 2932 zpool_do_offline(int argc, char **argv) 2933 { 2934 int c, i; 2935 char *poolname; 2936 zpool_handle_t *zhp; 2937 int ret = 0; 2938 boolean_t istmp = B_FALSE; 2939 2940 /* check options */ 2941 while ((c = getopt(argc, argv, "ft")) != -1) { 2942 switch (c) { 2943 case 't': 2944 istmp = B_TRUE; 2945 break; 2946 case 'f': 2947 case '?': 2948 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2949 optopt); 2950 usage(B_FALSE); 2951 } 2952 } 2953 2954 argc -= optind; 2955 argv += optind; 2956 2957 /* get pool name and check number of arguments */ 2958 if (argc < 1) { 2959 (void) fprintf(stderr, gettext("missing pool name\n")); 2960 usage(B_FALSE); 2961 } 2962 if (argc < 2) { 2963 (void) fprintf(stderr, gettext("missing device name\n")); 2964 usage(B_FALSE); 2965 } 2966 2967 poolname = argv[0]; 2968 2969 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2970 return (1); 2971 2972 for (i = 1; i < argc; i++) { 2973 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 2974 ret = 1; 2975 } 2976 2977 zpool_close(zhp); 2978 2979 return (ret); 2980 } 2981 2982 /* 2983 * zpool clear <pool> [device] 2984 * 2985 * Clear all errors associated with a pool or a particular device. 2986 */ 2987 int 2988 zpool_do_clear(int argc, char **argv) 2989 { 2990 int c; 2991 int ret = 0; 2992 boolean_t dryrun = B_FALSE; 2993 boolean_t do_rewind = B_FALSE; 2994 boolean_t xtreme_rewind = B_FALSE; 2995 uint32_t rewind_policy = ZPOOL_NO_REWIND; 2996 nvlist_t *policy = NULL; 2997 zpool_handle_t *zhp; 2998 char *pool, *device; 2999 3000 /* check options */ 3001 while ((c = getopt(argc, argv, "FnX")) != -1) { 3002 switch (c) { 3003 case 'F': 3004 do_rewind = B_TRUE; 3005 break; 3006 case 'n': 3007 dryrun = B_TRUE; 3008 break; 3009 case 'X': 3010 xtreme_rewind = B_TRUE; 3011 break; 3012 case '?': 3013 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3014 optopt); 3015 usage(B_FALSE); 3016 } 3017 } 3018 3019 argc -= optind; 3020 argv += optind; 3021 3022 if (argc < 1) { 3023 (void) fprintf(stderr, gettext("missing pool name\n")); 3024 usage(B_FALSE); 3025 } 3026 3027 if (argc > 2) { 3028 (void) fprintf(stderr, gettext("too many arguments\n")); 3029 usage(B_FALSE); 3030 } 3031 3032 if ((dryrun || xtreme_rewind) && !do_rewind) { 3033 (void) fprintf(stderr, 3034 gettext("-n or -X only meaningful with -F\n")); 3035 usage(B_FALSE); 3036 } 3037 if (dryrun) 3038 rewind_policy = ZPOOL_TRY_REWIND; 3039 else if (do_rewind) 3040 rewind_policy = ZPOOL_DO_REWIND; 3041 if (xtreme_rewind) 3042 rewind_policy |= ZPOOL_EXTREME_REWIND; 3043 3044 /* In future, further rewind policy choices can be passed along here */ 3045 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3046 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3047 return (1); 3048 3049 pool = argv[0]; 3050 device = argc == 2 ? argv[1] : NULL; 3051 3052 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3053 nvlist_free(policy); 3054 return (1); 3055 } 3056 3057 if (zpool_clear(zhp, device, policy) != 0) 3058 ret = 1; 3059 3060 zpool_close(zhp); 3061 3062 nvlist_free(policy); 3063 3064 return (ret); 3065 } 3066 3067 typedef struct scrub_cbdata { 3068 int cb_type; 3069 int cb_argc; 3070 char **cb_argv; 3071 } scrub_cbdata_t; 3072 3073 int 3074 scrub_callback(zpool_handle_t *zhp, void *data) 3075 { 3076 scrub_cbdata_t *cb = data; 3077 int err; 3078 3079 /* 3080 * Ignore faulted pools. 3081 */ 3082 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3083 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3084 "currently unavailable\n"), zpool_get_name(zhp)); 3085 return (1); 3086 } 3087 3088 err = zpool_scrub(zhp, cb->cb_type); 3089 3090 return (err != 0); 3091 } 3092 3093 /* 3094 * zpool scrub [-s] <pool> ... 3095 * 3096 * -s Stop. Stops any in-progress scrub. 3097 */ 3098 int 3099 zpool_do_scrub(int argc, char **argv) 3100 { 3101 int c; 3102 scrub_cbdata_t cb; 3103 3104 cb.cb_type = POOL_SCRUB_EVERYTHING; 3105 3106 /* check options */ 3107 while ((c = getopt(argc, argv, "s")) != -1) { 3108 switch (c) { 3109 case 's': 3110 cb.cb_type = POOL_SCRUB_NONE; 3111 break; 3112 case '?': 3113 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3114 optopt); 3115 usage(B_FALSE); 3116 } 3117 } 3118 3119 cb.cb_argc = argc; 3120 cb.cb_argv = argv; 3121 argc -= optind; 3122 argv += optind; 3123 3124 if (argc < 1) { 3125 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3126 usage(B_FALSE); 3127 } 3128 3129 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3130 } 3131 3132 typedef struct status_cbdata { 3133 int cb_count; 3134 boolean_t cb_allpools; 3135 boolean_t cb_verbose; 3136 boolean_t cb_explain; 3137 boolean_t cb_first; 3138 boolean_t cb_dedup_stats; 3139 } status_cbdata_t; 3140 3141 /* 3142 * Print out detailed scrub status. 3143 */ 3144 void 3145 print_scrub_status(nvlist_t *nvroot) 3146 { 3147 vdev_stat_t *vs; 3148 uint_t vsc; 3149 time_t start, end, now; 3150 double fraction_done; 3151 uint64_t examined, total, minutes_left, minutes_taken; 3152 char *scrub_type; 3153 3154 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS, 3155 (uint64_t **)&vs, &vsc) == 0); 3156 3157 /* 3158 * If there's never been a scrub, there's not much to say. 3159 */ 3160 if (vs->vs_scrub_end == 0 && vs->vs_scrub_type == POOL_SCRUB_NONE) { 3161 (void) printf(gettext("none requested\n")); 3162 return; 3163 } 3164 3165 scrub_type = (vs->vs_scrub_type == POOL_SCRUB_RESILVER) ? 3166 "resilver" : "scrub"; 3167 3168 start = vs->vs_scrub_start; 3169 end = vs->vs_scrub_end; 3170 now = time(NULL); 3171 examined = vs->vs_scrub_examined; 3172 total = vs->vs_alloc; 3173 3174 if (end != 0) { 3175 minutes_taken = (uint64_t)((end - start) / 60); 3176 3177 (void) printf(gettext("%s %s after %lluh%um with %llu errors " 3178 "on %s"), 3179 scrub_type, vs->vs_scrub_complete ? "completed" : "stopped", 3180 (u_longlong_t)(minutes_taken / 60), 3181 (uint_t)(minutes_taken % 60), 3182 (u_longlong_t)vs->vs_scrub_errors, ctime(&end)); 3183 return; 3184 } 3185 3186 if (examined == 0) 3187 examined = 1; 3188 if (examined > total) 3189 total = examined; 3190 3191 fraction_done = (double)examined / total; 3192 minutes_left = (uint64_t)((now - start) * 3193 (1 - fraction_done) / fraction_done / 60); 3194 minutes_taken = (uint64_t)((now - start) / 60); 3195 3196 (void) printf(gettext("%s in progress for %lluh%um, %.2f%% done, " 3197 "%lluh%um to go\n"), 3198 scrub_type, (u_longlong_t)(minutes_taken / 60), 3199 (uint_t)(minutes_taken % 60), 100 * fraction_done, 3200 (u_longlong_t)(minutes_left / 60), (uint_t)(minutes_left % 60)); 3201 } 3202 3203 static void 3204 print_error_log(zpool_handle_t *zhp) 3205 { 3206 nvlist_t *nverrlist = NULL; 3207 nvpair_t *elem; 3208 char *pathname; 3209 size_t len = MAXPATHLEN * 2; 3210 3211 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3212 (void) printf("errors: List of errors unavailable " 3213 "(insufficient privileges)\n"); 3214 return; 3215 } 3216 3217 (void) printf("errors: Permanent errors have been " 3218 "detected in the following files:\n\n"); 3219 3220 pathname = safe_malloc(len); 3221 elem = NULL; 3222 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3223 nvlist_t *nv; 3224 uint64_t dsobj, obj; 3225 3226 verify(nvpair_value_nvlist(elem, &nv) == 0); 3227 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3228 &dsobj) == 0); 3229 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3230 &obj) == 0); 3231 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3232 (void) printf("%7s %s\n", "", pathname); 3233 } 3234 free(pathname); 3235 nvlist_free(nverrlist); 3236 } 3237 3238 static void 3239 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3240 int namewidth) 3241 { 3242 uint_t i; 3243 char *name; 3244 3245 if (nspares == 0) 3246 return; 3247 3248 (void) printf(gettext("\tspares\n")); 3249 3250 for (i = 0; i < nspares; i++) { 3251 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3252 print_status_config(zhp, name, spares[i], 3253 namewidth, 2, B_TRUE); 3254 free(name); 3255 } 3256 } 3257 3258 static void 3259 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3260 int namewidth) 3261 { 3262 uint_t i; 3263 char *name; 3264 3265 if (nl2cache == 0) 3266 return; 3267 3268 (void) printf(gettext("\tcache\n")); 3269 3270 for (i = 0; i < nl2cache; i++) { 3271 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3272 print_status_config(zhp, name, l2cache[i], 3273 namewidth, 2, B_FALSE); 3274 free(name); 3275 } 3276 } 3277 3278 static void 3279 print_dedup_stats(nvlist_t *config) 3280 { 3281 ddt_histogram_t *ddh; 3282 ddt_stat_t *dds; 3283 ddt_object_t *ddo; 3284 uint_t c; 3285 3286 /* 3287 * If the pool was faulted then we may not have been able to 3288 * obtain the config. Otherwise, if have anything in the dedup 3289 * table continue processing the stats. 3290 */ 3291 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3292 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3293 return; 3294 3295 (void) printf("\n"); 3296 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3297 (u_longlong_t)ddo->ddo_count, 3298 (u_longlong_t)ddo->ddo_dspace, 3299 (u_longlong_t)ddo->ddo_mspace); 3300 3301 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3302 (uint64_t **)&dds, &c) == 0); 3303 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3304 (uint64_t **)&ddh, &c) == 0); 3305 zpool_dump_ddt(dds, ddh); 3306 } 3307 3308 /* 3309 * Display a summary of pool status. Displays a summary such as: 3310 * 3311 * pool: tank 3312 * status: DEGRADED 3313 * reason: One or more devices ... 3314 * see: http://www.sun.com/msg/ZFS-xxxx-01 3315 * config: 3316 * mirror DEGRADED 3317 * c1t0d0 OK 3318 * c2t0d0 UNAVAIL 3319 * 3320 * When given the '-v' option, we print out the complete config. If the '-e' 3321 * option is specified, then we print out error rate information as well. 3322 */ 3323 int 3324 status_callback(zpool_handle_t *zhp, void *data) 3325 { 3326 status_cbdata_t *cbp = data; 3327 nvlist_t *config, *nvroot; 3328 char *msgid; 3329 int reason; 3330 const char *health; 3331 uint_t c; 3332 vdev_stat_t *vs; 3333 3334 config = zpool_get_config(zhp, NULL); 3335 reason = zpool_get_status(zhp, &msgid); 3336 3337 cbp->cb_count++; 3338 3339 /* 3340 * If we were given 'zpool status -x', only report those pools with 3341 * problems. 3342 */ 3343 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3344 if (!cbp->cb_allpools) { 3345 (void) printf(gettext("pool '%s' is healthy\n"), 3346 zpool_get_name(zhp)); 3347 if (cbp->cb_first) 3348 cbp->cb_first = B_FALSE; 3349 } 3350 return (0); 3351 } 3352 3353 if (cbp->cb_first) 3354 cbp->cb_first = B_FALSE; 3355 else 3356 (void) printf("\n"); 3357 3358 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3359 &nvroot) == 0); 3360 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS, 3361 (uint64_t **)&vs, &c) == 0); 3362 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3363 3364 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3365 (void) printf(gettext(" state: %s\n"), health); 3366 3367 switch (reason) { 3368 case ZPOOL_STATUS_MISSING_DEV_R: 3369 (void) printf(gettext("status: One or more devices could not " 3370 "be opened. Sufficient replicas exist for\n\tthe pool to " 3371 "continue functioning in a degraded state.\n")); 3372 (void) printf(gettext("action: Attach the missing device and " 3373 "online it using 'zpool online'.\n")); 3374 break; 3375 3376 case ZPOOL_STATUS_MISSING_DEV_NR: 3377 (void) printf(gettext("status: One or more devices could not " 3378 "be opened. There are insufficient\n\treplicas for the " 3379 "pool to continue functioning.\n")); 3380 (void) printf(gettext("action: Attach the missing device and " 3381 "online it using 'zpool online'.\n")); 3382 break; 3383 3384 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3385 (void) printf(gettext("status: One or more devices could not " 3386 "be used because the label is missing or\n\tinvalid. " 3387 "Sufficient replicas exist for the pool to continue\n\t" 3388 "functioning in a degraded state.\n")); 3389 (void) printf(gettext("action: Replace the device using " 3390 "'zpool replace'.\n")); 3391 break; 3392 3393 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3394 (void) printf(gettext("status: One or more devices could not " 3395 "be used because the label is missing \n\tor invalid. " 3396 "There are insufficient replicas for the pool to " 3397 "continue\n\tfunctioning.\n")); 3398 zpool_explain_recover(zpool_get_handle(zhp), 3399 zpool_get_name(zhp), reason, config); 3400 break; 3401 3402 case ZPOOL_STATUS_FAILING_DEV: 3403 (void) printf(gettext("status: One or more devices has " 3404 "experienced an unrecoverable error. An\n\tattempt was " 3405 "made to correct the error. Applications are " 3406 "unaffected.\n")); 3407 (void) printf(gettext("action: Determine if the device needs " 3408 "to be replaced, and clear the errors\n\tusing " 3409 "'zpool clear' or replace the device with 'zpool " 3410 "replace'.\n")); 3411 break; 3412 3413 case ZPOOL_STATUS_OFFLINE_DEV: 3414 (void) printf(gettext("status: One or more devices has " 3415 "been taken offline by the administrator.\n\tSufficient " 3416 "replicas exist for the pool to continue functioning in " 3417 "a\n\tdegraded state.\n")); 3418 (void) printf(gettext("action: Online the device using " 3419 "'zpool online' or replace the device with\n\t'zpool " 3420 "replace'.\n")); 3421 break; 3422 3423 case ZPOOL_STATUS_REMOVED_DEV: 3424 (void) printf(gettext("status: One or more devices has " 3425 "been removed by the administrator.\n\tSufficient " 3426 "replicas exist for the pool to continue functioning in " 3427 "a\n\tdegraded state.\n")); 3428 (void) printf(gettext("action: Online the device using " 3429 "'zpool online' or replace the device with\n\t'zpool " 3430 "replace'.\n")); 3431 break; 3432 3433 3434 case ZPOOL_STATUS_RESILVERING: 3435 (void) printf(gettext("status: One or more devices is " 3436 "currently being resilvered. The pool will\n\tcontinue " 3437 "to function, possibly in a degraded state.\n")); 3438 (void) printf(gettext("action: Wait for the resilver to " 3439 "complete.\n")); 3440 break; 3441 3442 case ZPOOL_STATUS_CORRUPT_DATA: 3443 (void) printf(gettext("status: One or more devices has " 3444 "experienced an error resulting in data\n\tcorruption. " 3445 "Applications may be affected.\n")); 3446 (void) printf(gettext("action: Restore the file in question " 3447 "if possible. Otherwise restore the\n\tentire pool from " 3448 "backup.\n")); 3449 break; 3450 3451 case ZPOOL_STATUS_CORRUPT_POOL: 3452 (void) printf(gettext("status: The pool metadata is corrupted " 3453 "and the pool cannot be opened.\n")); 3454 zpool_explain_recover(zpool_get_handle(zhp), 3455 zpool_get_name(zhp), reason, config); 3456 break; 3457 3458 case ZPOOL_STATUS_VERSION_OLDER: 3459 (void) printf(gettext("status: The pool is formatted using an " 3460 "older on-disk format. The pool can\n\tstill be used, but " 3461 "some features are unavailable.\n")); 3462 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3463 "upgrade'. Once this is done, the\n\tpool will no longer " 3464 "be accessible on older software versions.\n")); 3465 break; 3466 3467 case ZPOOL_STATUS_VERSION_NEWER: 3468 (void) printf(gettext("status: The pool has been upgraded to a " 3469 "newer, incompatible on-disk version.\n\tThe pool cannot " 3470 "be accessed on this system.\n")); 3471 (void) printf(gettext("action: Access the pool from a system " 3472 "running more recent software, or\n\trestore the pool from " 3473 "backup.\n")); 3474 break; 3475 3476 case ZPOOL_STATUS_FAULTED_DEV_R: 3477 (void) printf(gettext("status: One or more devices are " 3478 "faulted in response to persistent errors.\n\tSufficient " 3479 "replicas exist for the pool to continue functioning " 3480 "in a\n\tdegraded state.\n")); 3481 (void) printf(gettext("action: Replace the faulted device, " 3482 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3483 break; 3484 3485 case ZPOOL_STATUS_FAULTED_DEV_NR: 3486 (void) printf(gettext("status: One or more devices are " 3487 "faulted in response to persistent errors. There are " 3488 "insufficient replicas for the pool to\n\tcontinue " 3489 "functioning.\n")); 3490 (void) printf(gettext("action: Destroy and re-create the pool " 3491 "from a backup source. Manually marking the device\n" 3492 "\trepaired using 'zpool clear' may allow some data " 3493 "to be recovered.\n")); 3494 break; 3495 3496 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3497 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3498 (void) printf(gettext("status: One or more devices are " 3499 "faulted in response to IO failures.\n")); 3500 (void) printf(gettext("action: Make sure the affected devices " 3501 "are connected, then run 'zpool clear'.\n")); 3502 break; 3503 3504 case ZPOOL_STATUS_BAD_LOG: 3505 (void) printf(gettext("status: An intent log record " 3506 "could not be read.\n" 3507 "\tWaiting for adminstrator intervention to fix the " 3508 "faulted pool.\n")); 3509 (void) printf(gettext("action: Either restore the affected " 3510 "device(s) and run 'zpool online',\n" 3511 "\tor ignore the intent log records by running " 3512 "'zpool clear'.\n")); 3513 break; 3514 3515 default: 3516 /* 3517 * The remaining errors can't actually be generated, yet. 3518 */ 3519 assert(reason == ZPOOL_STATUS_OK); 3520 } 3521 3522 if (msgid != NULL) 3523 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3524 msgid); 3525 3526 if (config != NULL) { 3527 int namewidth; 3528 uint64_t nerr; 3529 nvlist_t **spares, **l2cache; 3530 uint_t nspares, nl2cache; 3531 3532 3533 (void) printf(gettext(" scrub: ")); 3534 print_scrub_status(nvroot); 3535 3536 namewidth = max_width(zhp, nvroot, 0, 0); 3537 if (namewidth < 10) 3538 namewidth = 10; 3539 3540 (void) printf(gettext("config:\n\n")); 3541 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3542 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3543 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3544 namewidth, 0, B_FALSE); 3545 3546 if (num_logs(nvroot) > 0) 3547 print_logs(zhp, nvroot, namewidth, B_TRUE); 3548 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3549 &l2cache, &nl2cache) == 0) 3550 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3551 3552 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3553 &spares, &nspares) == 0) 3554 print_spares(zhp, spares, nspares, namewidth); 3555 3556 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3557 &nerr) == 0) { 3558 nvlist_t *nverrlist = NULL; 3559 3560 /* 3561 * If the approximate error count is small, get a 3562 * precise count by fetching the entire log and 3563 * uniquifying the results. 3564 */ 3565 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3566 zpool_get_errlog(zhp, &nverrlist) == 0) { 3567 nvpair_t *elem; 3568 3569 elem = NULL; 3570 nerr = 0; 3571 while ((elem = nvlist_next_nvpair(nverrlist, 3572 elem)) != NULL) { 3573 nerr++; 3574 } 3575 } 3576 nvlist_free(nverrlist); 3577 3578 (void) printf("\n"); 3579 3580 if (nerr == 0) 3581 (void) printf(gettext("errors: No known data " 3582 "errors\n")); 3583 else if (!cbp->cb_verbose) 3584 (void) printf(gettext("errors: %llu data " 3585 "errors, use '-v' for a list\n"), 3586 (u_longlong_t)nerr); 3587 else 3588 print_error_log(zhp); 3589 } 3590 3591 if (cbp->cb_dedup_stats) 3592 print_dedup_stats(config); 3593 } else { 3594 (void) printf(gettext("config: The configuration cannot be " 3595 "determined.\n")); 3596 } 3597 3598 return (0); 3599 } 3600 3601 /* 3602 * zpool status [-vx] [pool] ... 3603 * 3604 * -v Display complete error logs 3605 * -x Display only pools with potential problems 3606 * -D Display dedup status (undocumented) 3607 * 3608 * Describes the health status of all pools or some subset. 3609 */ 3610 int 3611 zpool_do_status(int argc, char **argv) 3612 { 3613 int c; 3614 int ret; 3615 status_cbdata_t cb = { 0 }; 3616 3617 /* check options */ 3618 while ((c = getopt(argc, argv, "vxD")) != -1) { 3619 switch (c) { 3620 case 'v': 3621 cb.cb_verbose = B_TRUE; 3622 break; 3623 case 'x': 3624 cb.cb_explain = B_TRUE; 3625 break; 3626 case 'D': 3627 cb.cb_dedup_stats = B_TRUE; 3628 break; 3629 case '?': 3630 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3631 optopt); 3632 usage(B_FALSE); 3633 } 3634 } 3635 3636 argc -= optind; 3637 argv += optind; 3638 3639 cb.cb_first = B_TRUE; 3640 3641 if (argc == 0) 3642 cb.cb_allpools = B_TRUE; 3643 3644 ret = for_each_pool(argc, argv, B_TRUE, NULL, status_callback, &cb); 3645 3646 if (argc == 0 && cb.cb_count == 0) 3647 (void) printf(gettext("no pools available\n")); 3648 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3649 (void) printf(gettext("all pools are healthy\n")); 3650 3651 return (ret); 3652 } 3653 3654 typedef struct upgrade_cbdata { 3655 int cb_all; 3656 int cb_first; 3657 int cb_newer; 3658 int cb_argc; 3659 uint64_t cb_version; 3660 char **cb_argv; 3661 } upgrade_cbdata_t; 3662 3663 static int 3664 upgrade_cb(zpool_handle_t *zhp, void *arg) 3665 { 3666 upgrade_cbdata_t *cbp = arg; 3667 nvlist_t *config; 3668 uint64_t version; 3669 int ret = 0; 3670 3671 config = zpool_get_config(zhp, NULL); 3672 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3673 &version) == 0); 3674 3675 if (!cbp->cb_newer && version < SPA_VERSION) { 3676 if (!cbp->cb_all) { 3677 if (cbp->cb_first) { 3678 (void) printf(gettext("The following pools are " 3679 "out of date, and can be upgraded. After " 3680 "being\nupgraded, these pools will no " 3681 "longer be accessible by older software " 3682 "versions.\n\n")); 3683 (void) printf(gettext("VER POOL\n")); 3684 (void) printf(gettext("--- ------------\n")); 3685 cbp->cb_first = B_FALSE; 3686 } 3687 3688 (void) printf("%2llu %s\n", (u_longlong_t)version, 3689 zpool_get_name(zhp)); 3690 } else { 3691 cbp->cb_first = B_FALSE; 3692 ret = zpool_upgrade(zhp, cbp->cb_version); 3693 if (!ret) { 3694 (void) printf(gettext("Successfully upgraded " 3695 "'%s'\n\n"), zpool_get_name(zhp)); 3696 } 3697 } 3698 } else if (cbp->cb_newer && version > SPA_VERSION) { 3699 assert(!cbp->cb_all); 3700 3701 if (cbp->cb_first) { 3702 (void) printf(gettext("The following pools are " 3703 "formatted using a newer software version and\n" 3704 "cannot be accessed on the current system.\n\n")); 3705 (void) printf(gettext("VER POOL\n")); 3706 (void) printf(gettext("--- ------------\n")); 3707 cbp->cb_first = B_FALSE; 3708 } 3709 3710 (void) printf("%2llu %s\n", (u_longlong_t)version, 3711 zpool_get_name(zhp)); 3712 } 3713 3714 zpool_close(zhp); 3715 return (ret); 3716 } 3717 3718 /* ARGSUSED */ 3719 static int 3720 upgrade_one(zpool_handle_t *zhp, void *data) 3721 { 3722 upgrade_cbdata_t *cbp = data; 3723 uint64_t cur_version; 3724 int ret; 3725 3726 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3727 (void) printf(gettext("'log' is now a reserved word\n" 3728 "Pool 'log' must be renamed using export and import" 3729 " to upgrade.\n")); 3730 return (1); 3731 } 3732 3733 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3734 if (cur_version > cbp->cb_version) { 3735 (void) printf(gettext("Pool '%s' is already formatted " 3736 "using more current version '%llu'.\n"), 3737 zpool_get_name(zhp), cur_version); 3738 return (0); 3739 } 3740 if (cur_version == cbp->cb_version) { 3741 (void) printf(gettext("Pool '%s' is already formatted " 3742 "using the current version.\n"), zpool_get_name(zhp)); 3743 return (0); 3744 } 3745 3746 ret = zpool_upgrade(zhp, cbp->cb_version); 3747 3748 if (!ret) { 3749 (void) printf(gettext("Successfully upgraded '%s' " 3750 "from version %llu to version %llu\n\n"), 3751 zpool_get_name(zhp), (u_longlong_t)cur_version, 3752 (u_longlong_t)cbp->cb_version); 3753 } 3754 3755 return (ret != 0); 3756 } 3757 3758 /* 3759 * zpool upgrade 3760 * zpool upgrade -v 3761 * zpool upgrade [-V version] <-a | pool ...> 3762 * 3763 * With no arguments, display downrev'd ZFS pool available for upgrade. 3764 * Individual pools can be upgraded by specifying the pool, and '-a' will 3765 * upgrade all pools. 3766 */ 3767 int 3768 zpool_do_upgrade(int argc, char **argv) 3769 { 3770 int c; 3771 upgrade_cbdata_t cb = { 0 }; 3772 int ret = 0; 3773 boolean_t showversions = B_FALSE; 3774 char *end; 3775 3776 3777 /* check options */ 3778 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3779 switch (c) { 3780 case 'a': 3781 cb.cb_all = B_TRUE; 3782 break; 3783 case 'v': 3784 showversions = B_TRUE; 3785 break; 3786 case 'V': 3787 cb.cb_version = strtoll(optarg, &end, 10); 3788 if (*end != '\0' || cb.cb_version > SPA_VERSION || 3789 cb.cb_version < SPA_VERSION_1) { 3790 (void) fprintf(stderr, 3791 gettext("invalid version '%s'\n"), optarg); 3792 usage(B_FALSE); 3793 } 3794 break; 3795 case ':': 3796 (void) fprintf(stderr, gettext("missing argument for " 3797 "'%c' option\n"), optopt); 3798 usage(B_FALSE); 3799 break; 3800 case '?': 3801 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3802 optopt); 3803 usage(B_FALSE); 3804 } 3805 } 3806 3807 cb.cb_argc = argc; 3808 cb.cb_argv = argv; 3809 argc -= optind; 3810 argv += optind; 3811 3812 if (cb.cb_version == 0) { 3813 cb.cb_version = SPA_VERSION; 3814 } else if (!cb.cb_all && argc == 0) { 3815 (void) fprintf(stderr, gettext("-V option is " 3816 "incompatible with other arguments\n")); 3817 usage(B_FALSE); 3818 } 3819 3820 if (showversions) { 3821 if (cb.cb_all || argc != 0) { 3822 (void) fprintf(stderr, gettext("-v option is " 3823 "incompatible with other arguments\n")); 3824 usage(B_FALSE); 3825 } 3826 } else if (cb.cb_all) { 3827 if (argc != 0) { 3828 (void) fprintf(stderr, gettext("-a option should not " 3829 "be used along with a pool name\n")); 3830 usage(B_FALSE); 3831 } 3832 } 3833 3834 (void) printf(gettext("This system is currently running " 3835 "ZFS pool version %llu.\n\n"), SPA_VERSION); 3836 cb.cb_first = B_TRUE; 3837 if (showversions) { 3838 (void) printf(gettext("The following versions are " 3839 "supported:\n\n")); 3840 (void) printf(gettext("VER DESCRIPTION\n")); 3841 (void) printf("--- -----------------------------------------" 3842 "---------------\n"); 3843 (void) printf(gettext(" 1 Initial ZFS version\n")); 3844 (void) printf(gettext(" 2 Ditto blocks " 3845 "(replicated metadata)\n")); 3846 (void) printf(gettext(" 3 Hot spares and double parity " 3847 "RAID-Z\n")); 3848 (void) printf(gettext(" 4 zpool history\n")); 3849 (void) printf(gettext(" 5 Compression using the gzip " 3850 "algorithm\n")); 3851 (void) printf(gettext(" 6 bootfs pool property\n")); 3852 (void) printf(gettext(" 7 Separate intent log devices\n")); 3853 (void) printf(gettext(" 8 Delegated administration\n")); 3854 (void) printf(gettext(" 9 refquota and refreservation " 3855 "properties\n")); 3856 (void) printf(gettext(" 10 Cache devices\n")); 3857 (void) printf(gettext(" 11 Improved scrub performance\n")); 3858 (void) printf(gettext(" 12 Snapshot properties\n")); 3859 (void) printf(gettext(" 13 snapused property\n")); 3860 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 3861 (void) printf(gettext(" 15 user/group space accounting\n")); 3862 (void) printf(gettext(" 16 stmf property support\n")); 3863 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 3864 (void) printf(gettext(" 18 Snapshot user holds\n")); 3865 (void) printf(gettext(" 19 Log device removal\n")); 3866 (void) printf(gettext(" 20 Compression using zle " 3867 "(zero-length encoding)\n")); 3868 (void) printf(gettext(" 21 Deduplication\n")); 3869 (void) printf(gettext(" 22 Received properties\n")); 3870 (void) printf(gettext("\nFor more information on a particular " 3871 "version, including supported releases, see:\n\n")); 3872 (void) printf("http://www.opensolaris.org/os/community/zfs/" 3873 "version/N\n\n"); 3874 (void) printf(gettext("Where 'N' is the version number.\n")); 3875 } else if (argc == 0) { 3876 int notfound; 3877 3878 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 3879 notfound = cb.cb_first; 3880 3881 if (!cb.cb_all && ret == 0) { 3882 if (!cb.cb_first) 3883 (void) printf("\n"); 3884 cb.cb_first = B_TRUE; 3885 cb.cb_newer = B_TRUE; 3886 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 3887 if (!cb.cb_first) { 3888 notfound = B_FALSE; 3889 (void) printf("\n"); 3890 } 3891 } 3892 3893 if (ret == 0) { 3894 if (notfound) 3895 (void) printf(gettext("All pools are formatted " 3896 "using this version.\n")); 3897 else if (!cb.cb_all) 3898 (void) printf(gettext("Use 'zpool upgrade -v' " 3899 "for a list of available versions and " 3900 "their associated\nfeatures.\n")); 3901 } 3902 } else { 3903 ret = for_each_pool(argc, argv, B_FALSE, NULL, 3904 upgrade_one, &cb); 3905 } 3906 3907 return (ret); 3908 } 3909 3910 typedef struct hist_cbdata { 3911 boolean_t first; 3912 int longfmt; 3913 int internal; 3914 } hist_cbdata_t; 3915 3916 /* 3917 * Print out the command history for a specific pool. 3918 */ 3919 static int 3920 get_history_one(zpool_handle_t *zhp, void *data) 3921 { 3922 nvlist_t *nvhis; 3923 nvlist_t **records; 3924 uint_t numrecords; 3925 char *cmdstr; 3926 char *pathstr; 3927 uint64_t dst_time; 3928 time_t tsec; 3929 struct tm t; 3930 char tbuf[30]; 3931 int ret, i; 3932 uint64_t who; 3933 struct passwd *pwd; 3934 char *hostname; 3935 char *zonename; 3936 char internalstr[MAXPATHLEN]; 3937 hist_cbdata_t *cb = (hist_cbdata_t *)data; 3938 uint64_t txg; 3939 uint64_t ievent; 3940 3941 cb->first = B_FALSE; 3942 3943 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 3944 3945 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 3946 return (ret); 3947 3948 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 3949 &records, &numrecords) == 0); 3950 for (i = 0; i < numrecords; i++) { 3951 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 3952 &dst_time) != 0) 3953 continue; 3954 3955 /* is it an internal event or a standard event? */ 3956 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 3957 &cmdstr) != 0) { 3958 if (cb->internal == 0) 3959 continue; 3960 3961 if (nvlist_lookup_uint64(records[i], 3962 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 3963 continue; 3964 verify(nvlist_lookup_uint64(records[i], 3965 ZPOOL_HIST_TXG, &txg) == 0); 3966 verify(nvlist_lookup_string(records[i], 3967 ZPOOL_HIST_INT_STR, &pathstr) == 0); 3968 if (ievent >= LOG_END) 3969 continue; 3970 (void) snprintf(internalstr, 3971 sizeof (internalstr), 3972 "[internal %s txg:%lld] %s", 3973 hist_event_table[ievent], txg, 3974 pathstr); 3975 cmdstr = internalstr; 3976 } 3977 tsec = dst_time; 3978 (void) localtime_r(&tsec, &t); 3979 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 3980 (void) printf("%s %s", tbuf, cmdstr); 3981 3982 if (!cb->longfmt) { 3983 (void) printf("\n"); 3984 continue; 3985 } 3986 (void) printf(" ["); 3987 if (nvlist_lookup_uint64(records[i], 3988 ZPOOL_HIST_WHO, &who) == 0) { 3989 pwd = getpwuid((uid_t)who); 3990 if (pwd) 3991 (void) printf("user %s on", 3992 pwd->pw_name); 3993 else 3994 (void) printf("user %d on", 3995 (int)who); 3996 } else { 3997 (void) printf(gettext("no info]\n")); 3998 continue; 3999 } 4000 if (nvlist_lookup_string(records[i], 4001 ZPOOL_HIST_HOST, &hostname) == 0) { 4002 (void) printf(" %s", hostname); 4003 } 4004 if (nvlist_lookup_string(records[i], 4005 ZPOOL_HIST_ZONE, &zonename) == 0) { 4006 (void) printf(":%s", zonename); 4007 } 4008 4009 (void) printf("]"); 4010 (void) printf("\n"); 4011 } 4012 (void) printf("\n"); 4013 nvlist_free(nvhis); 4014 4015 return (ret); 4016 } 4017 4018 /* 4019 * zpool history <pool> 4020 * 4021 * Displays the history of commands that modified pools. 4022 */ 4023 4024 4025 int 4026 zpool_do_history(int argc, char **argv) 4027 { 4028 hist_cbdata_t cbdata = { 0 }; 4029 int ret; 4030 int c; 4031 4032 cbdata.first = B_TRUE; 4033 /* check options */ 4034 while ((c = getopt(argc, argv, "li")) != -1) { 4035 switch (c) { 4036 case 'l': 4037 cbdata.longfmt = 1; 4038 break; 4039 case 'i': 4040 cbdata.internal = 1; 4041 break; 4042 case '?': 4043 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4044 optopt); 4045 usage(B_FALSE); 4046 } 4047 } 4048 argc -= optind; 4049 argv += optind; 4050 4051 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4052 &cbdata); 4053 4054 if (argc == 0 && cbdata.first == B_TRUE) { 4055 (void) printf(gettext("no pools available\n")); 4056 return (0); 4057 } 4058 4059 return (ret); 4060 } 4061 4062 static int 4063 get_callback(zpool_handle_t *zhp, void *data) 4064 { 4065 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4066 char value[MAXNAMELEN]; 4067 zprop_source_t srctype; 4068 zprop_list_t *pl; 4069 4070 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4071 4072 /* 4073 * Skip the special fake placeholder. This will also skip 4074 * over the name property when 'all' is specified. 4075 */ 4076 if (pl->pl_prop == ZPOOL_PROP_NAME && 4077 pl == cbp->cb_proplist) 4078 continue; 4079 4080 if (zpool_get_prop(zhp, pl->pl_prop, 4081 value, sizeof (value), &srctype) != 0) 4082 continue; 4083 4084 zprop_print_one_property(zpool_get_name(zhp), cbp, 4085 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4086 NULL); 4087 } 4088 return (0); 4089 } 4090 4091 int 4092 zpool_do_get(int argc, char **argv) 4093 { 4094 zprop_get_cbdata_t cb = { 0 }; 4095 zprop_list_t fake_name = { 0 }; 4096 int ret; 4097 4098 if (argc < 3) 4099 usage(B_FALSE); 4100 4101 cb.cb_first = B_TRUE; 4102 cb.cb_sources = ZPROP_SRC_ALL; 4103 cb.cb_columns[0] = GET_COL_NAME; 4104 cb.cb_columns[1] = GET_COL_PROPERTY; 4105 cb.cb_columns[2] = GET_COL_VALUE; 4106 cb.cb_columns[3] = GET_COL_SOURCE; 4107 cb.cb_type = ZFS_TYPE_POOL; 4108 4109 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4110 ZFS_TYPE_POOL) != 0) 4111 usage(B_FALSE); 4112 4113 if (cb.cb_proplist != NULL) { 4114 fake_name.pl_prop = ZPOOL_PROP_NAME; 4115 fake_name.pl_width = strlen(gettext("NAME")); 4116 fake_name.pl_next = cb.cb_proplist; 4117 cb.cb_proplist = &fake_name; 4118 } 4119 4120 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4121 get_callback, &cb); 4122 4123 if (cb.cb_proplist == &fake_name) 4124 zprop_free_list(fake_name.pl_next); 4125 else 4126 zprop_free_list(cb.cb_proplist); 4127 4128 return (ret); 4129 } 4130 4131 typedef struct set_cbdata { 4132 char *cb_propname; 4133 char *cb_value; 4134 boolean_t cb_any_successful; 4135 } set_cbdata_t; 4136 4137 int 4138 set_callback(zpool_handle_t *zhp, void *data) 4139 { 4140 int error; 4141 set_cbdata_t *cb = (set_cbdata_t *)data; 4142 4143 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4144 4145 if (!error) 4146 cb->cb_any_successful = B_TRUE; 4147 4148 return (error); 4149 } 4150 4151 int 4152 zpool_do_set(int argc, char **argv) 4153 { 4154 set_cbdata_t cb = { 0 }; 4155 int error; 4156 4157 if (argc > 1 && argv[1][0] == '-') { 4158 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4159 argv[1][1]); 4160 usage(B_FALSE); 4161 } 4162 4163 if (argc < 2) { 4164 (void) fprintf(stderr, gettext("missing property=value " 4165 "argument\n")); 4166 usage(B_FALSE); 4167 } 4168 4169 if (argc < 3) { 4170 (void) fprintf(stderr, gettext("missing pool name\n")); 4171 usage(B_FALSE); 4172 } 4173 4174 if (argc > 3) { 4175 (void) fprintf(stderr, gettext("too many pool names\n")); 4176 usage(B_FALSE); 4177 } 4178 4179 cb.cb_propname = argv[1]; 4180 cb.cb_value = strchr(cb.cb_propname, '='); 4181 if (cb.cb_value == NULL) { 4182 (void) fprintf(stderr, gettext("missing value in " 4183 "property=value argument\n")); 4184 usage(B_FALSE); 4185 } 4186 4187 *(cb.cb_value) = '\0'; 4188 cb.cb_value++; 4189 4190 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4191 set_callback, &cb); 4192 4193 return (error); 4194 } 4195 4196 static int 4197 find_command_idx(char *command, int *idx) 4198 { 4199 int i; 4200 4201 for (i = 0; i < NCOMMAND; i++) { 4202 if (command_table[i].name == NULL) 4203 continue; 4204 4205 if (strcmp(command, command_table[i].name) == 0) { 4206 *idx = i; 4207 return (0); 4208 } 4209 } 4210 return (1); 4211 } 4212 4213 int 4214 main(int argc, char **argv) 4215 { 4216 int ret; 4217 int i; 4218 char *cmdname; 4219 4220 (void) setlocale(LC_ALL, ""); 4221 (void) textdomain(TEXT_DOMAIN); 4222 4223 if ((g_zfs = libzfs_init()) == NULL) { 4224 (void) fprintf(stderr, gettext("internal error: failed to " 4225 "initialize ZFS library\n")); 4226 return (1); 4227 } 4228 4229 libzfs_print_on_error(g_zfs, B_TRUE); 4230 4231 opterr = 0; 4232 4233 /* 4234 * Make sure the user has specified some command. 4235 */ 4236 if (argc < 2) { 4237 (void) fprintf(stderr, gettext("missing command\n")); 4238 usage(B_FALSE); 4239 } 4240 4241 cmdname = argv[1]; 4242 4243 /* 4244 * Special case '-?' 4245 */ 4246 if (strcmp(cmdname, "-?") == 0) 4247 usage(B_TRUE); 4248 4249 zpool_set_history_str("zpool", argc, argv, history_str); 4250 verify(zpool_stage_history(g_zfs, history_str) == 0); 4251 4252 /* 4253 * Run the appropriate command. 4254 */ 4255 if (find_command_idx(cmdname, &i) == 0) { 4256 current_command = &command_table[i]; 4257 ret = command_table[i].func(argc - 1, argv + 1); 4258 } else if (strchr(cmdname, '=')) { 4259 verify(find_command_idx("set", &i) == 0); 4260 current_command = &command_table[i]; 4261 ret = command_table[i].func(argc, argv); 4262 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4263 /* 4264 * 'freeze' is a vile debugging abomination, so we treat 4265 * it as such. 4266 */ 4267 char buf[16384]; 4268 int fd = open(ZFS_DEV, O_RDWR); 4269 (void) strcpy((void *)buf, argv[2]); 4270 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4271 } else { 4272 (void) fprintf(stderr, gettext("unrecognized " 4273 "command '%s'\n"), cmdname); 4274 usage(B_FALSE); 4275 } 4276 4277 libzfs_fini(g_zfs); 4278 4279 /* 4280 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4281 * for the purposes of running ::findleaks. 4282 */ 4283 if (getenv("ZFS_ABORT") != NULL) { 4284 (void) printf("dumping core by request\n"); 4285 abort(); 4286 } 4287 4288 return (ret); 4289 } 4290