1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #include <assert.h> 27 #include <ctype.h> 28 #include <dirent.h> 29 #include <errno.h> 30 #include <fcntl.h> 31 #include <libgen.h> 32 #include <libintl.h> 33 #include <libuutil.h> 34 #include <locale.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <strings.h> 39 #include <unistd.h> 40 #include <priv.h> 41 #include <pwd.h> 42 #include <zone.h> 43 #include <sys/fs/zfs.h> 44 #include <sys/stat.h> 45 46 #include <libzfs.h> 47 48 #include "zpool_util.h" 49 #include "zfs_comutil.h" 50 51 #include "statcommon.h" 52 53 static int zpool_do_create(int, char **); 54 static int zpool_do_destroy(int, char **); 55 56 static int zpool_do_add(int, char **); 57 static int zpool_do_remove(int, char **); 58 59 static int zpool_do_list(int, char **); 60 static int zpool_do_iostat(int, char **); 61 static int zpool_do_status(int, char **); 62 63 static int zpool_do_online(int, char **); 64 static int zpool_do_offline(int, char **); 65 static int zpool_do_clear(int, char **); 66 67 static int zpool_do_attach(int, char **); 68 static int zpool_do_detach(int, char **); 69 static int zpool_do_replace(int, char **); 70 static int zpool_do_split(int, char **); 71 72 static int zpool_do_scrub(int, char **); 73 74 static int zpool_do_import(int, char **); 75 static int zpool_do_export(int, char **); 76 77 static int zpool_do_upgrade(int, char **); 78 79 static int zpool_do_history(int, char **); 80 81 static int zpool_do_get(int, char **); 82 static int zpool_do_set(int, char **); 83 84 /* 85 * These libumem hooks provide a reasonable set of defaults for the allocator's 86 * debugging facilities. 87 */ 88 89 #ifdef DEBUG 90 const char * 91 _umem_debug_init(void) 92 { 93 return ("default,verbose"); /* $UMEM_DEBUG setting */ 94 } 95 96 const char * 97 _umem_logging_init(void) 98 { 99 return ("fail,contents"); /* $UMEM_LOGGING setting */ 100 } 101 #endif 102 103 typedef enum { 104 HELP_ADD, 105 HELP_ATTACH, 106 HELP_CLEAR, 107 HELP_CREATE, 108 HELP_DESTROY, 109 HELP_DETACH, 110 HELP_EXPORT, 111 HELP_HISTORY, 112 HELP_IMPORT, 113 HELP_IOSTAT, 114 HELP_LIST, 115 HELP_OFFLINE, 116 HELP_ONLINE, 117 HELP_REPLACE, 118 HELP_REMOVE, 119 HELP_SCRUB, 120 HELP_STATUS, 121 HELP_UPGRADE, 122 HELP_GET, 123 HELP_SET, 124 HELP_SPLIT 125 } zpool_help_t; 126 127 128 typedef struct zpool_command { 129 const char *name; 130 int (*func)(int, char **); 131 zpool_help_t usage; 132 } zpool_command_t; 133 134 /* 135 * Master command table. Each ZFS command has a name, associated function, and 136 * usage message. The usage messages need to be internationalized, so we have 137 * to have a function to return the usage message based on a command index. 138 * 139 * These commands are organized according to how they are displayed in the usage 140 * message. An empty command (one with a NULL name) indicates an empty line in 141 * the generic usage message. 142 */ 143 static zpool_command_t command_table[] = { 144 { "create", zpool_do_create, HELP_CREATE }, 145 { "destroy", zpool_do_destroy, HELP_DESTROY }, 146 { NULL }, 147 { "add", zpool_do_add, HELP_ADD }, 148 { "remove", zpool_do_remove, HELP_REMOVE }, 149 { NULL }, 150 { "list", zpool_do_list, HELP_LIST }, 151 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 152 { "status", zpool_do_status, HELP_STATUS }, 153 { NULL }, 154 { "online", zpool_do_online, HELP_ONLINE }, 155 { "offline", zpool_do_offline, HELP_OFFLINE }, 156 { "clear", zpool_do_clear, HELP_CLEAR }, 157 { NULL }, 158 { "attach", zpool_do_attach, HELP_ATTACH }, 159 { "detach", zpool_do_detach, HELP_DETACH }, 160 { "replace", zpool_do_replace, HELP_REPLACE }, 161 { "split", zpool_do_split, HELP_SPLIT }, 162 { NULL }, 163 { "scrub", zpool_do_scrub, HELP_SCRUB }, 164 { NULL }, 165 { "import", zpool_do_import, HELP_IMPORT }, 166 { "export", zpool_do_export, HELP_EXPORT }, 167 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 168 { NULL }, 169 { "history", zpool_do_history, HELP_HISTORY }, 170 { "get", zpool_do_get, HELP_GET }, 171 { "set", zpool_do_set, HELP_SET }, 172 }; 173 174 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 175 176 zpool_command_t *current_command; 177 static char history_str[HIS_MAX_RECORD_LEN]; 178 179 static uint_t timestamp_fmt = NODATE; 180 181 static const char * 182 get_usage(zpool_help_t idx) { 183 switch (idx) { 184 case HELP_ADD: 185 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 186 case HELP_ATTACH: 187 return (gettext("\tattach [-f] <pool> <device> " 188 "<new-device>\n")); 189 case HELP_CLEAR: 190 return (gettext("\tclear [-nF] <pool> [device]\n")); 191 case HELP_CREATE: 192 return (gettext("\tcreate [-fn] [-o property=value] ... \n" 193 "\t [-O file-system-property=value] ... \n" 194 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 195 case HELP_DESTROY: 196 return (gettext("\tdestroy [-f] <pool>\n")); 197 case HELP_DETACH: 198 return (gettext("\tdetach <pool> <device>\n")); 199 case HELP_EXPORT: 200 return (gettext("\texport [-f] <pool> ...\n")); 201 case HELP_HISTORY: 202 return (gettext("\thistory [-il] [<pool>] ...\n")); 203 case HELP_IMPORT: 204 return (gettext("\timport [-d dir] [-D]\n" 205 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 206 "\timport [-o mntopts] [-o property=value] ... \n" 207 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 208 "[-R root] [-F [-n]] -a\n" 209 "\timport [-o mntopts] [-o property=value] ... \n" 210 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 211 "[-R root] [-F [-n]]\n" 212 "\t <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 "[-T d|u] [pool] ... [interval [count]]\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] [-T d|u] [pool] ... [interval " 232 "[count]]\n")); 233 case HELP_UPGRADE: 234 return (gettext("\tupgrade\n" 235 "\tupgrade -v\n" 236 "\tupgrade [-V version] <-a | pool ...>\n")); 237 case HELP_GET: 238 return (gettext("\tget <\"all\" | property[,...]> " 239 "<pool> ...\n")); 240 case HELP_SET: 241 return (gettext("\tset <property=value> <pool> \n")); 242 case HELP_SPLIT: 243 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 244 "\t [-o property=value] <pool> <newpool> " 245 "[<device> ...]\n")); 246 } 247 248 abort(); 249 /* NOTREACHED */ 250 } 251 252 253 /* 254 * Callback routine that will print out a pool property value. 255 */ 256 static int 257 print_prop_cb(int prop, void *cb) 258 { 259 FILE *fp = cb; 260 261 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 262 263 if (zpool_prop_readonly(prop)) 264 (void) fprintf(fp, " NO "); 265 else 266 (void) fprintf(fp, " YES "); 267 268 if (zpool_prop_values(prop) == NULL) 269 (void) fprintf(fp, "-\n"); 270 else 271 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 272 273 return (ZPROP_CONT); 274 } 275 276 /* 277 * Display usage message. If we're inside a command, display only the usage for 278 * that command. Otherwise, iterate over the entire command table and display 279 * a complete usage message. 280 */ 281 void 282 usage(boolean_t requested) 283 { 284 FILE *fp = requested ? stdout : stderr; 285 286 if (current_command == NULL) { 287 int i; 288 289 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 290 (void) fprintf(fp, 291 gettext("where 'command' is one of the following:\n\n")); 292 293 for (i = 0; i < NCOMMAND; i++) { 294 if (command_table[i].name == NULL) 295 (void) fprintf(fp, "\n"); 296 else 297 (void) fprintf(fp, "%s", 298 get_usage(command_table[i].usage)); 299 } 300 } else { 301 (void) fprintf(fp, gettext("usage:\n")); 302 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 303 } 304 305 if (current_command != NULL && 306 ((strcmp(current_command->name, "set") == 0) || 307 (strcmp(current_command->name, "get") == 0) || 308 (strcmp(current_command->name, "list") == 0))) { 309 310 (void) fprintf(fp, 311 gettext("\nthe following properties are supported:\n")); 312 313 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 314 "PROPERTY", "EDIT", "VALUES"); 315 316 /* Iterate over all properties */ 317 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 318 ZFS_TYPE_POOL); 319 } 320 321 /* 322 * See comments at end of main(). 323 */ 324 if (getenv("ZFS_ABORT") != NULL) { 325 (void) printf("dumping core by request\n"); 326 abort(); 327 } 328 329 exit(requested ? 0 : 2); 330 } 331 332 void 333 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 334 boolean_t print_logs) 335 { 336 nvlist_t **child; 337 uint_t c, children; 338 char *vname; 339 340 if (name != NULL) 341 (void) printf("\t%*s%s\n", indent, "", name); 342 343 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 344 &child, &children) != 0) 345 return; 346 347 for (c = 0; c < children; c++) { 348 uint64_t is_log = B_FALSE; 349 350 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 351 &is_log); 352 if ((is_log && !print_logs) || (!is_log && print_logs)) 353 continue; 354 355 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 356 print_vdev_tree(zhp, vname, child[c], indent + 2, 357 B_FALSE); 358 free(vname); 359 } 360 } 361 362 /* 363 * Add a property pair (name, string-value) into a property nvlist. 364 */ 365 static int 366 add_prop_list(const char *propname, char *propval, nvlist_t **props, 367 boolean_t poolprop) 368 { 369 zpool_prop_t prop = ZPROP_INVAL; 370 zfs_prop_t fprop; 371 nvlist_t *proplist; 372 const char *normnm; 373 char *strval; 374 375 if (*props == NULL && 376 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 377 (void) fprintf(stderr, 378 gettext("internal error: out of memory\n")); 379 return (1); 380 } 381 382 proplist = *props; 383 384 if (poolprop) { 385 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 386 (void) fprintf(stderr, gettext("property '%s' is " 387 "not a valid pool property\n"), propname); 388 return (2); 389 } 390 normnm = zpool_prop_to_name(prop); 391 } else { 392 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 393 normnm = zfs_prop_to_name(fprop); 394 } else { 395 normnm = propname; 396 } 397 } 398 399 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 400 prop != ZPOOL_PROP_CACHEFILE) { 401 (void) fprintf(stderr, gettext("property '%s' " 402 "specified multiple times\n"), propname); 403 return (2); 404 } 405 406 if (nvlist_add_string(proplist, normnm, propval) != 0) { 407 (void) fprintf(stderr, gettext("internal " 408 "error: out of memory\n")); 409 return (1); 410 } 411 412 return (0); 413 } 414 415 /* 416 * zpool add [-fn] <pool> <vdev> ... 417 * 418 * -f Force addition of devices, even if they appear in use 419 * -n Do not add the devices, but display the resulting layout if 420 * they were to be added. 421 * 422 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 423 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 424 * libzfs. 425 */ 426 int 427 zpool_do_add(int argc, char **argv) 428 { 429 boolean_t force = B_FALSE; 430 boolean_t dryrun = B_FALSE; 431 int c; 432 nvlist_t *nvroot; 433 char *poolname; 434 int ret; 435 zpool_handle_t *zhp; 436 nvlist_t *config; 437 438 /* check options */ 439 while ((c = getopt(argc, argv, "fn")) != -1) { 440 switch (c) { 441 case 'f': 442 force = B_TRUE; 443 break; 444 case 'n': 445 dryrun = B_TRUE; 446 break; 447 case '?': 448 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 449 optopt); 450 usage(B_FALSE); 451 } 452 } 453 454 argc -= optind; 455 argv += optind; 456 457 /* get pool name and check number of arguments */ 458 if (argc < 1) { 459 (void) fprintf(stderr, gettext("missing pool name argument\n")); 460 usage(B_FALSE); 461 } 462 if (argc < 2) { 463 (void) fprintf(stderr, gettext("missing vdev specification\n")); 464 usage(B_FALSE); 465 } 466 467 poolname = argv[0]; 468 469 argc--; 470 argv++; 471 472 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 473 return (1); 474 475 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 476 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 477 poolname); 478 zpool_close(zhp); 479 return (1); 480 } 481 482 /* pass off to get_vdev_spec for processing */ 483 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 484 argc, argv); 485 if (nvroot == NULL) { 486 zpool_close(zhp); 487 return (1); 488 } 489 490 if (dryrun) { 491 nvlist_t *poolnvroot; 492 493 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 494 &poolnvroot) == 0); 495 496 (void) printf(gettext("would update '%s' to the following " 497 "configuration:\n"), zpool_get_name(zhp)); 498 499 /* print original main pool and new tree */ 500 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 501 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 502 503 /* Do the same for the logs */ 504 if (num_logs(poolnvroot) > 0) { 505 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 506 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 507 } else if (num_logs(nvroot) > 0) { 508 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 509 } 510 511 ret = 0; 512 } else { 513 ret = (zpool_add(zhp, nvroot) != 0); 514 } 515 516 nvlist_free(nvroot); 517 zpool_close(zhp); 518 519 return (ret); 520 } 521 522 /* 523 * zpool remove <pool> <vdev> ... 524 * 525 * Removes the given vdev from the pool. Currently, this supports removing 526 * spares, cache, and log devices from the pool. 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 pool_scan_stat_t *ps = NULL; 1048 vdev_stat_t *vs; 1049 char rbuf[6], wbuf[6], cbuf[6]; 1050 char *vname; 1051 uint64_t notpresent; 1052 spare_cbdata_t cb; 1053 char *state; 1054 1055 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1056 &child, &children) != 0) 1057 children = 0; 1058 1059 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1060 (uint64_t **)&vs, &c) == 0); 1061 1062 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1063 if (isspare) { 1064 /* 1065 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1066 * online drives. 1067 */ 1068 if (vs->vs_aux == VDEV_AUX_SPARED) 1069 state = "INUSE"; 1070 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1071 state = "AVAIL"; 1072 } 1073 1074 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1075 name, state); 1076 1077 if (!isspare) { 1078 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1079 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1080 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1081 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1082 } 1083 1084 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1085 ¬present) == 0) { 1086 char *path; 1087 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1088 (void) printf(" was %s", path); 1089 } else if (vs->vs_aux != 0) { 1090 (void) printf(" "); 1091 1092 switch (vs->vs_aux) { 1093 case VDEV_AUX_OPEN_FAILED: 1094 (void) printf(gettext("cannot open")); 1095 break; 1096 1097 case VDEV_AUX_BAD_GUID_SUM: 1098 (void) printf(gettext("missing device")); 1099 break; 1100 1101 case VDEV_AUX_NO_REPLICAS: 1102 (void) printf(gettext("insufficient replicas")); 1103 break; 1104 1105 case VDEV_AUX_VERSION_NEWER: 1106 (void) printf(gettext("newer version")); 1107 break; 1108 1109 case VDEV_AUX_SPARED: 1110 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1111 &cb.cb_guid) == 0); 1112 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1113 if (strcmp(zpool_get_name(cb.cb_zhp), 1114 zpool_get_name(zhp)) == 0) 1115 (void) printf(gettext("currently in " 1116 "use")); 1117 else 1118 (void) printf(gettext("in use by " 1119 "pool '%s'"), 1120 zpool_get_name(cb.cb_zhp)); 1121 zpool_close(cb.cb_zhp); 1122 } else { 1123 (void) printf(gettext("currently in use")); 1124 } 1125 break; 1126 1127 case VDEV_AUX_ERR_EXCEEDED: 1128 (void) printf(gettext("too many errors")); 1129 break; 1130 1131 case VDEV_AUX_IO_FAILURE: 1132 (void) printf(gettext("experienced I/O failures")); 1133 break; 1134 1135 case VDEV_AUX_BAD_LOG: 1136 (void) printf(gettext("bad intent log")); 1137 break; 1138 1139 case VDEV_AUX_EXTERNAL: 1140 (void) printf(gettext("external device fault")); 1141 break; 1142 1143 case VDEV_AUX_SPLIT_POOL: 1144 (void) printf(gettext("split into new pool")); 1145 break; 1146 1147 default: 1148 (void) printf(gettext("corrupted data")); 1149 break; 1150 } 1151 } 1152 1153 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1154 (uint64_t **)&ps, &c); 1155 1156 if (ps && ps->pss_state == DSS_SCANNING && 1157 vs->vs_scan_processed != 0 && children == 0) { 1158 (void) printf(gettext(" (%s)"), 1159 (ps->pss_func == POOL_SCAN_RESILVER) ? 1160 "resilvering" : "repairing"); 1161 } 1162 1163 (void) printf("\n"); 1164 1165 for (c = 0; c < children; c++) { 1166 uint64_t islog = B_FALSE, ishole = B_FALSE; 1167 1168 /* Don't print logs or holes here */ 1169 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1170 &islog); 1171 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1172 &ishole); 1173 if (islog || ishole) 1174 continue; 1175 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1176 print_status_config(zhp, vname, child[c], 1177 namewidth, depth + 2, isspare); 1178 free(vname); 1179 } 1180 } 1181 1182 1183 /* 1184 * Print the configuration of an exported pool. Iterate over all vdevs in the 1185 * pool, printing out the name and status for each one. 1186 */ 1187 void 1188 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1189 { 1190 nvlist_t **child; 1191 uint_t c, children; 1192 vdev_stat_t *vs; 1193 char *type, *vname; 1194 1195 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1196 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1197 strcmp(type, VDEV_TYPE_HOLE) == 0) 1198 return; 1199 1200 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1201 (uint64_t **)&vs, &c) == 0); 1202 1203 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1204 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1205 1206 if (vs->vs_aux != 0) { 1207 (void) printf(" "); 1208 1209 switch (vs->vs_aux) { 1210 case VDEV_AUX_OPEN_FAILED: 1211 (void) printf(gettext("cannot open")); 1212 break; 1213 1214 case VDEV_AUX_BAD_GUID_SUM: 1215 (void) printf(gettext("missing device")); 1216 break; 1217 1218 case VDEV_AUX_NO_REPLICAS: 1219 (void) printf(gettext("insufficient replicas")); 1220 break; 1221 1222 case VDEV_AUX_VERSION_NEWER: 1223 (void) printf(gettext("newer version")); 1224 break; 1225 1226 case VDEV_AUX_ERR_EXCEEDED: 1227 (void) printf(gettext("too many errors")); 1228 break; 1229 1230 default: 1231 (void) printf(gettext("corrupted data")); 1232 break; 1233 } 1234 } 1235 (void) printf("\n"); 1236 1237 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1238 &child, &children) != 0) 1239 return; 1240 1241 for (c = 0; c < children; c++) { 1242 uint64_t is_log = B_FALSE; 1243 1244 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1245 &is_log); 1246 if (is_log) 1247 continue; 1248 1249 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1250 print_import_config(vname, child[c], namewidth, depth + 2); 1251 free(vname); 1252 } 1253 1254 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1255 &child, &children) == 0) { 1256 (void) printf(gettext("\tcache\n")); 1257 for (c = 0; c < children; c++) { 1258 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1259 (void) printf("\t %s\n", vname); 1260 free(vname); 1261 } 1262 } 1263 1264 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1265 &child, &children) == 0) { 1266 (void) printf(gettext("\tspares\n")); 1267 for (c = 0; c < children; c++) { 1268 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1269 (void) printf("\t %s\n", vname); 1270 free(vname); 1271 } 1272 } 1273 } 1274 1275 /* 1276 * Print log vdevs. 1277 * Logs are recorded as top level vdevs in the main pool child array 1278 * but with "is_log" set to 1. We use either print_status_config() or 1279 * print_import_config() to print the top level logs then any log 1280 * children (eg mirrored slogs) are printed recursively - which 1281 * works because only the top level vdev is marked "is_log" 1282 */ 1283 static void 1284 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1285 { 1286 uint_t c, children; 1287 nvlist_t **child; 1288 1289 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1290 &children) != 0) 1291 return; 1292 1293 (void) printf(gettext("\tlogs\n")); 1294 1295 for (c = 0; c < children; c++) { 1296 uint64_t is_log = B_FALSE; 1297 char *name; 1298 1299 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1300 &is_log); 1301 if (!is_log) 1302 continue; 1303 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1304 if (verbose) 1305 print_status_config(zhp, name, child[c], namewidth, 1306 2, B_FALSE); 1307 else 1308 print_import_config(name, child[c], namewidth, 2); 1309 free(name); 1310 } 1311 } 1312 1313 /* 1314 * Display the status for the given pool. 1315 */ 1316 static void 1317 show_import(nvlist_t *config) 1318 { 1319 uint64_t pool_state; 1320 vdev_stat_t *vs; 1321 char *name; 1322 uint64_t guid; 1323 char *msgid; 1324 nvlist_t *nvroot; 1325 int reason; 1326 const char *health; 1327 uint_t vsc; 1328 int namewidth; 1329 1330 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1331 &name) == 0); 1332 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1333 &guid) == 0); 1334 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1335 &pool_state) == 0); 1336 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1337 &nvroot) == 0); 1338 1339 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1340 (uint64_t **)&vs, &vsc) == 0); 1341 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1342 1343 reason = zpool_import_status(config, &msgid); 1344 1345 (void) printf(gettext(" pool: %s\n"), name); 1346 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1347 (void) printf(gettext(" state: %s"), health); 1348 if (pool_state == POOL_STATE_DESTROYED) 1349 (void) printf(gettext(" (DESTROYED)")); 1350 (void) printf("\n"); 1351 1352 switch (reason) { 1353 case ZPOOL_STATUS_MISSING_DEV_R: 1354 case ZPOOL_STATUS_MISSING_DEV_NR: 1355 case ZPOOL_STATUS_BAD_GUID_SUM: 1356 (void) printf(gettext("status: One or more devices are missing " 1357 "from the system.\n")); 1358 break; 1359 1360 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1361 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1362 (void) printf(gettext("status: One or more devices contains " 1363 "corrupted data.\n")); 1364 break; 1365 1366 case ZPOOL_STATUS_CORRUPT_DATA: 1367 (void) printf(gettext("status: The pool data is corrupted.\n")); 1368 break; 1369 1370 case ZPOOL_STATUS_OFFLINE_DEV: 1371 (void) printf(gettext("status: One or more devices " 1372 "are offlined.\n")); 1373 break; 1374 1375 case ZPOOL_STATUS_CORRUPT_POOL: 1376 (void) printf(gettext("status: The pool metadata is " 1377 "corrupted.\n")); 1378 break; 1379 1380 case ZPOOL_STATUS_VERSION_OLDER: 1381 (void) printf(gettext("status: The pool is formatted using an " 1382 "older on-disk version.\n")); 1383 break; 1384 1385 case ZPOOL_STATUS_VERSION_NEWER: 1386 (void) printf(gettext("status: The pool is formatted using an " 1387 "incompatible version.\n")); 1388 break; 1389 1390 case ZPOOL_STATUS_HOSTID_MISMATCH: 1391 (void) printf(gettext("status: The pool was last accessed by " 1392 "another system.\n")); 1393 break; 1394 1395 case ZPOOL_STATUS_FAULTED_DEV_R: 1396 case ZPOOL_STATUS_FAULTED_DEV_NR: 1397 (void) printf(gettext("status: One or more devices are " 1398 "faulted.\n")); 1399 break; 1400 1401 case ZPOOL_STATUS_BAD_LOG: 1402 (void) printf(gettext("status: An intent log record cannot be " 1403 "read.\n")); 1404 break; 1405 1406 case ZPOOL_STATUS_RESILVERING: 1407 (void) printf(gettext("status: One or more devices were being " 1408 "resilvered.\n")); 1409 break; 1410 1411 default: 1412 /* 1413 * No other status can be seen when importing pools. 1414 */ 1415 assert(reason == ZPOOL_STATUS_OK); 1416 } 1417 1418 /* 1419 * Print out an action according to the overall state of the pool. 1420 */ 1421 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1422 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1423 (void) printf(gettext("action: The pool can be " 1424 "imported using its name or numeric identifier, " 1425 "though\n\tsome features will not be available " 1426 "without an explicit 'zpool upgrade'.\n")); 1427 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1428 (void) printf(gettext("action: The pool can be " 1429 "imported using its name or numeric " 1430 "identifier and\n\tthe '-f' flag.\n")); 1431 else 1432 (void) printf(gettext("action: The pool can be " 1433 "imported using its name or numeric " 1434 "identifier.\n")); 1435 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1436 (void) printf(gettext("action: The pool can be imported " 1437 "despite missing or damaged devices. The\n\tfault " 1438 "tolerance of the pool may be compromised if imported.\n")); 1439 } else { 1440 switch (reason) { 1441 case ZPOOL_STATUS_VERSION_NEWER: 1442 (void) printf(gettext("action: The pool cannot be " 1443 "imported. Access the pool on a system running " 1444 "newer\n\tsoftware, or recreate the pool from " 1445 "backup.\n")); 1446 break; 1447 case ZPOOL_STATUS_MISSING_DEV_R: 1448 case ZPOOL_STATUS_MISSING_DEV_NR: 1449 case ZPOOL_STATUS_BAD_GUID_SUM: 1450 (void) printf(gettext("action: The pool cannot be " 1451 "imported. Attach the missing\n\tdevices and try " 1452 "again.\n")); 1453 break; 1454 default: 1455 (void) printf(gettext("action: The pool cannot be " 1456 "imported due to damaged devices or data.\n")); 1457 } 1458 } 1459 1460 /* 1461 * If the state is "closed" or "can't open", and the aux state 1462 * is "corrupt data": 1463 */ 1464 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1465 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1466 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1467 if (pool_state == POOL_STATE_DESTROYED) 1468 (void) printf(gettext("\tThe pool was destroyed, " 1469 "but can be imported using the '-Df' flags.\n")); 1470 else if (pool_state != POOL_STATE_EXPORTED) 1471 (void) printf(gettext("\tThe pool may be active on " 1472 "another system, but can be imported using\n\t" 1473 "the '-f' flag.\n")); 1474 } 1475 1476 if (msgid != NULL) 1477 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1478 msgid); 1479 1480 (void) printf(gettext("config:\n\n")); 1481 1482 namewidth = max_width(NULL, nvroot, 0, 0); 1483 if (namewidth < 10) 1484 namewidth = 10; 1485 1486 print_import_config(name, nvroot, namewidth, 0); 1487 if (num_logs(nvroot) > 0) 1488 print_logs(NULL, nvroot, namewidth, B_FALSE); 1489 1490 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1491 (void) printf(gettext("\n\tAdditional devices are known to " 1492 "be part of this pool, though their\n\texact " 1493 "configuration cannot be determined.\n")); 1494 } 1495 } 1496 1497 /* 1498 * Perform the import for the given configuration. This passes the heavy 1499 * lifting off to zpool_import_props(), and then mounts the datasets contained 1500 * within the pool. 1501 */ 1502 static int 1503 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1504 nvlist_t *props, int flags) 1505 { 1506 zpool_handle_t *zhp; 1507 char *name; 1508 uint64_t state; 1509 uint64_t version; 1510 1511 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1512 &name) == 0); 1513 1514 verify(nvlist_lookup_uint64(config, 1515 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1516 verify(nvlist_lookup_uint64(config, 1517 ZPOOL_CONFIG_VERSION, &version) == 0); 1518 if (version > SPA_VERSION) { 1519 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1520 "is formatted using a newer ZFS version\n"), name); 1521 return (1); 1522 } else if (state != POOL_STATE_EXPORTED && 1523 !(flags & ZFS_IMPORT_ANY_HOST)) { 1524 uint64_t hostid; 1525 1526 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1527 &hostid) == 0) { 1528 if ((unsigned long)hostid != gethostid()) { 1529 char *hostname; 1530 uint64_t timestamp; 1531 time_t t; 1532 1533 verify(nvlist_lookup_string(config, 1534 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1535 verify(nvlist_lookup_uint64(config, 1536 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1537 t = timestamp; 1538 (void) fprintf(stderr, gettext("cannot import " 1539 "'%s': pool may be in use from other " 1540 "system, it was last accessed by %s " 1541 "(hostid: 0x%lx) on %s"), name, hostname, 1542 (unsigned long)hostid, 1543 asctime(localtime(&t))); 1544 (void) fprintf(stderr, gettext("use '-f' to " 1545 "import anyway\n")); 1546 return (1); 1547 } 1548 } else { 1549 (void) fprintf(stderr, gettext("cannot import '%s': " 1550 "pool may be in use from other system\n"), name); 1551 (void) fprintf(stderr, gettext("use '-f' to import " 1552 "anyway\n")); 1553 return (1); 1554 } 1555 } 1556 1557 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1558 return (1); 1559 1560 if (newname != NULL) 1561 name = (char *)newname; 1562 1563 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1564 return (1); 1565 1566 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1567 !(flags & ZFS_IMPORT_ONLY) && 1568 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1569 zpool_close(zhp); 1570 return (1); 1571 } 1572 1573 zpool_close(zhp); 1574 return (0); 1575 } 1576 1577 /* 1578 * zpool import [-d dir] [-D] 1579 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1580 * [-d dir | -c cachefile] [-f] -a 1581 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1582 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1583 * 1584 * -c Read pool information from a cachefile instead of searching 1585 * devices. 1586 * 1587 * -d Scan in a specific directory, other than /dev/dsk. More than 1588 * one directory can be specified using multiple '-d' options. 1589 * 1590 * -D Scan for previously destroyed pools or import all or only 1591 * specified destroyed pools. 1592 * 1593 * -R Temporarily import the pool, with all mountpoints relative to 1594 * the given root. The pool will remain exported when the machine 1595 * is rebooted. 1596 * 1597 * -V Import even in the presence of faulted vdevs. This is an 1598 * intentionally undocumented option for testing purposes, and 1599 * treats the pool configuration as complete, leaving any bad 1600 * vdevs in the FAULTED state. In other words, it does verbatim 1601 * import. 1602 * 1603 * -f Force import, even if it appears that the pool is active. 1604 * 1605 * -F Attempt rewind if necessary. 1606 * 1607 * -n See if rewind would work, but don't actually rewind. 1608 * 1609 * -N Import the pool but don't mount datasets. 1610 * 1611 * -T Specify a starting txg to use for import. This option is 1612 * intentionally undocumented option for testing purposes. 1613 * 1614 * -a Import all pools found. 1615 * 1616 * -o Set property=value and/or temporary mount options (without '='). 1617 * 1618 * The import command scans for pools to import, and import pools based on pool 1619 * name and GUID. The pool can also be renamed as part of the import process. 1620 */ 1621 int 1622 zpool_do_import(int argc, char **argv) 1623 { 1624 char **searchdirs = NULL; 1625 int nsearch = 0; 1626 int c; 1627 int err = 0; 1628 nvlist_t *pools = NULL; 1629 boolean_t do_all = B_FALSE; 1630 boolean_t do_destroyed = B_FALSE; 1631 char *mntopts = NULL; 1632 nvpair_t *elem; 1633 nvlist_t *config; 1634 uint64_t searchguid = 0; 1635 char *searchname = NULL; 1636 char *propval; 1637 nvlist_t *found_config; 1638 nvlist_t *policy = NULL; 1639 nvlist_t *props = NULL; 1640 boolean_t first; 1641 int flags = ZFS_IMPORT_NORMAL; 1642 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1643 boolean_t dryrun = B_FALSE; 1644 boolean_t do_rewind = B_FALSE; 1645 boolean_t xtreme_rewind = B_FALSE; 1646 uint64_t pool_state, txg = -1ULL; 1647 char *cachefile = NULL; 1648 importargs_t idata = { 0 }; 1649 char *endptr; 1650 1651 /* check options */ 1652 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) { 1653 switch (c) { 1654 case 'a': 1655 do_all = B_TRUE; 1656 break; 1657 case 'c': 1658 cachefile = optarg; 1659 break; 1660 case 'd': 1661 if (searchdirs == NULL) { 1662 searchdirs = safe_malloc(sizeof (char *)); 1663 } else { 1664 char **tmp = safe_malloc((nsearch + 1) * 1665 sizeof (char *)); 1666 bcopy(searchdirs, tmp, nsearch * 1667 sizeof (char *)); 1668 free(searchdirs); 1669 searchdirs = tmp; 1670 } 1671 searchdirs[nsearch++] = optarg; 1672 break; 1673 case 'D': 1674 do_destroyed = B_TRUE; 1675 break; 1676 case 'f': 1677 flags |= ZFS_IMPORT_ANY_HOST; 1678 break; 1679 case 'F': 1680 do_rewind = B_TRUE; 1681 break; 1682 case 'm': 1683 flags |= ZFS_IMPORT_MISSING_LOG; 1684 break; 1685 case 'n': 1686 dryrun = B_TRUE; 1687 break; 1688 case 'N': 1689 flags |= ZFS_IMPORT_ONLY; 1690 break; 1691 case 'o': 1692 if ((propval = strchr(optarg, '=')) != NULL) { 1693 *propval = '\0'; 1694 propval++; 1695 if (add_prop_list(optarg, propval, 1696 &props, B_TRUE)) 1697 goto error; 1698 } else { 1699 mntopts = optarg; 1700 } 1701 break; 1702 case 'R': 1703 if (add_prop_list(zpool_prop_to_name( 1704 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1705 goto error; 1706 if (nvlist_lookup_string(props, 1707 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1708 &propval) == 0) 1709 break; 1710 if (add_prop_list(zpool_prop_to_name( 1711 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1712 goto error; 1713 break; 1714 case 'T': 1715 errno = 0; 1716 txg = strtoull(optarg, &endptr, 10); 1717 if (errno != 0 || *endptr != '\0') { 1718 (void) fprintf(stderr, 1719 gettext("invalid txg value\n")); 1720 usage(B_FALSE); 1721 } 1722 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 1723 break; 1724 case 'V': 1725 flags |= ZFS_IMPORT_VERBATIM; 1726 break; 1727 case 'X': 1728 xtreme_rewind = B_TRUE; 1729 break; 1730 case ':': 1731 (void) fprintf(stderr, gettext("missing argument for " 1732 "'%c' option\n"), optopt); 1733 usage(B_FALSE); 1734 break; 1735 case '?': 1736 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1737 optopt); 1738 usage(B_FALSE); 1739 } 1740 } 1741 1742 argc -= optind; 1743 argv += optind; 1744 1745 if (cachefile && nsearch != 0) { 1746 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1747 usage(B_FALSE); 1748 } 1749 1750 if ((dryrun || xtreme_rewind) && !do_rewind) { 1751 (void) fprintf(stderr, 1752 gettext("-n or -X only meaningful with -F\n")); 1753 usage(B_FALSE); 1754 } 1755 if (dryrun) 1756 rewind_policy = ZPOOL_TRY_REWIND; 1757 else if (do_rewind) 1758 rewind_policy = ZPOOL_DO_REWIND; 1759 if (xtreme_rewind) 1760 rewind_policy |= ZPOOL_EXTREME_REWIND; 1761 1762 /* In the future, we can capture further policy and include it here */ 1763 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1764 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 1765 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1766 goto error; 1767 1768 if (searchdirs == NULL) { 1769 searchdirs = safe_malloc(sizeof (char *)); 1770 searchdirs[0] = "/dev/dsk"; 1771 nsearch = 1; 1772 } 1773 1774 /* check argument count */ 1775 if (do_all) { 1776 if (argc != 0) { 1777 (void) fprintf(stderr, gettext("too many arguments\n")); 1778 usage(B_FALSE); 1779 } 1780 } else { 1781 if (argc > 2) { 1782 (void) fprintf(stderr, gettext("too many arguments\n")); 1783 usage(B_FALSE); 1784 } 1785 1786 /* 1787 * Check for the SYS_CONFIG privilege. We do this explicitly 1788 * here because otherwise any attempt to discover pools will 1789 * silently fail. 1790 */ 1791 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1792 (void) fprintf(stderr, gettext("cannot " 1793 "discover pools: permission denied\n")); 1794 free(searchdirs); 1795 nvlist_free(policy); 1796 return (1); 1797 } 1798 } 1799 1800 /* 1801 * Depending on the arguments given, we do one of the following: 1802 * 1803 * <none> Iterate through all pools and display information about 1804 * each one. 1805 * 1806 * -a Iterate through all pools and try to import each one. 1807 * 1808 * <id> Find the pool that corresponds to the given GUID/pool 1809 * name and import that one. 1810 * 1811 * -D Above options applies only to destroyed pools. 1812 */ 1813 if (argc != 0) { 1814 char *endptr; 1815 1816 errno = 0; 1817 searchguid = strtoull(argv[0], &endptr, 10); 1818 if (errno != 0 || *endptr != '\0') 1819 searchname = argv[0]; 1820 found_config = NULL; 1821 1822 /* 1823 * User specified a name or guid. Ensure it's unique. 1824 */ 1825 idata.unique = B_TRUE; 1826 } 1827 1828 1829 idata.path = searchdirs; 1830 idata.paths = nsearch; 1831 idata.poolname = searchname; 1832 idata.guid = searchguid; 1833 idata.cachefile = cachefile; 1834 1835 pools = zpool_search_import(g_zfs, &idata); 1836 1837 if (pools != NULL && idata.exists && 1838 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1839 (void) fprintf(stderr, gettext("cannot import '%s': " 1840 "a pool with that name already exists\n"), 1841 argv[0]); 1842 (void) fprintf(stderr, gettext("use the form '%s " 1843 "<pool | id> <newpool>' to give it a new name\n"), 1844 "zpool import"); 1845 err = 1; 1846 } else if (pools == NULL && idata.exists) { 1847 (void) fprintf(stderr, gettext("cannot import '%s': " 1848 "a pool with that name is already created/imported,\n"), 1849 argv[0]); 1850 (void) fprintf(stderr, gettext("and no additional pools " 1851 "with that name were found\n")); 1852 err = 1; 1853 } else if (pools == NULL) { 1854 if (argc != 0) { 1855 (void) fprintf(stderr, gettext("cannot import '%s': " 1856 "no such pool available\n"), argv[0]); 1857 } 1858 err = 1; 1859 } 1860 1861 if (err == 1) { 1862 free(searchdirs); 1863 nvlist_free(policy); 1864 return (1); 1865 } 1866 1867 /* 1868 * At this point we have a list of import candidate configs. Even if 1869 * we were searching by pool name or guid, we still need to 1870 * post-process the list to deal with pool state and possible 1871 * duplicate names. 1872 */ 1873 err = 0; 1874 elem = NULL; 1875 first = B_TRUE; 1876 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1877 1878 verify(nvpair_value_nvlist(elem, &config) == 0); 1879 1880 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1881 &pool_state) == 0); 1882 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1883 continue; 1884 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1885 continue; 1886 1887 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1888 policy) == 0); 1889 1890 if (argc == 0) { 1891 if (first) 1892 first = B_FALSE; 1893 else if (!do_all) 1894 (void) printf("\n"); 1895 1896 if (do_all) { 1897 err |= do_import(config, NULL, mntopts, 1898 props, flags); 1899 } else { 1900 show_import(config); 1901 } 1902 } else if (searchname != NULL) { 1903 char *name; 1904 1905 /* 1906 * We are searching for a pool based on name. 1907 */ 1908 verify(nvlist_lookup_string(config, 1909 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1910 1911 if (strcmp(name, searchname) == 0) { 1912 if (found_config != NULL) { 1913 (void) fprintf(stderr, gettext( 1914 "cannot import '%s': more than " 1915 "one matching pool\n"), searchname); 1916 (void) fprintf(stderr, gettext( 1917 "import by numeric ID instead\n")); 1918 err = B_TRUE; 1919 } 1920 found_config = config; 1921 } 1922 } else { 1923 uint64_t guid; 1924 1925 /* 1926 * Search for a pool by guid. 1927 */ 1928 verify(nvlist_lookup_uint64(config, 1929 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1930 1931 if (guid == searchguid) 1932 found_config = config; 1933 } 1934 } 1935 1936 /* 1937 * If we were searching for a specific pool, verify that we found a 1938 * pool, and then do the import. 1939 */ 1940 if (argc != 0 && err == 0) { 1941 if (found_config == NULL) { 1942 (void) fprintf(stderr, gettext("cannot import '%s': " 1943 "no such pool available\n"), argv[0]); 1944 err = B_TRUE; 1945 } else { 1946 err |= do_import(found_config, argc == 1 ? NULL : 1947 argv[1], mntopts, props, flags); 1948 } 1949 } 1950 1951 /* 1952 * If we were just looking for pools, report an error if none were 1953 * found. 1954 */ 1955 if (argc == 0 && first) 1956 (void) fprintf(stderr, 1957 gettext("no pools available to import\n")); 1958 1959 error: 1960 nvlist_free(props); 1961 nvlist_free(pools); 1962 nvlist_free(policy); 1963 free(searchdirs); 1964 1965 return (err ? 1 : 0); 1966 } 1967 1968 typedef struct iostat_cbdata { 1969 zpool_list_t *cb_list; 1970 int cb_verbose; 1971 int cb_iteration; 1972 int cb_namewidth; 1973 } iostat_cbdata_t; 1974 1975 static void 1976 print_iostat_separator(iostat_cbdata_t *cb) 1977 { 1978 int i = 0; 1979 1980 for (i = 0; i < cb->cb_namewidth; i++) 1981 (void) printf("-"); 1982 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1983 } 1984 1985 static void 1986 print_iostat_header(iostat_cbdata_t *cb) 1987 { 1988 (void) printf("%*s capacity operations bandwidth\n", 1989 cb->cb_namewidth, ""); 1990 (void) printf("%-*s alloc free read write read write\n", 1991 cb->cb_namewidth, "pool"); 1992 print_iostat_separator(cb); 1993 } 1994 1995 /* 1996 * Display a single statistic. 1997 */ 1998 static void 1999 print_one_stat(uint64_t value) 2000 { 2001 char buf[64]; 2002 2003 zfs_nicenum(value, buf, sizeof (buf)); 2004 (void) printf(" %5s", buf); 2005 } 2006 2007 /* 2008 * Print out all the statistics for the given vdev. This can either be the 2009 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2010 * is a verbose output, and we don't want to display the toplevel pool stats. 2011 */ 2012 void 2013 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2014 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2015 { 2016 nvlist_t **oldchild, **newchild; 2017 uint_t c, children; 2018 vdev_stat_t *oldvs, *newvs; 2019 vdev_stat_t zerovs = { 0 }; 2020 uint64_t tdelta; 2021 double scale; 2022 char *vname; 2023 2024 if (oldnv != NULL) { 2025 verify(nvlist_lookup_uint64_array(oldnv, 2026 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2027 } else { 2028 oldvs = &zerovs; 2029 } 2030 2031 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2032 (uint64_t **)&newvs, &c) == 0); 2033 2034 if (strlen(name) + depth > cb->cb_namewidth) 2035 (void) printf("%*s%s", depth, "", name); 2036 else 2037 (void) printf("%*s%s%*s", depth, "", name, 2038 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2039 2040 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2041 2042 if (tdelta == 0) 2043 scale = 1.0; 2044 else 2045 scale = (double)NANOSEC / tdelta; 2046 2047 /* only toplevel vdevs have capacity stats */ 2048 if (newvs->vs_space == 0) { 2049 (void) printf(" - -"); 2050 } else { 2051 print_one_stat(newvs->vs_alloc); 2052 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2053 } 2054 2055 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2056 oldvs->vs_ops[ZIO_TYPE_READ]))); 2057 2058 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2059 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2060 2061 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2062 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2063 2064 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2065 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2066 2067 (void) printf("\n"); 2068 2069 if (!cb->cb_verbose) 2070 return; 2071 2072 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2073 &newchild, &children) != 0) 2074 return; 2075 2076 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2077 &oldchild, &c) != 0) 2078 return; 2079 2080 for (c = 0; c < children; c++) { 2081 uint64_t ishole = B_FALSE; 2082 2083 if (nvlist_lookup_uint64(newchild[c], 2084 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2085 continue; 2086 2087 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2088 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2089 newchild[c], cb, depth + 2); 2090 free(vname); 2091 } 2092 2093 /* 2094 * Include level 2 ARC devices in iostat output 2095 */ 2096 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2097 &newchild, &children) != 0) 2098 return; 2099 2100 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2101 &oldchild, &c) != 0) 2102 return; 2103 2104 if (children > 0) { 2105 (void) printf("%-*s - - - - - " 2106 "-\n", cb->cb_namewidth, "cache"); 2107 for (c = 0; c < children; c++) { 2108 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2109 B_FALSE); 2110 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2111 newchild[c], cb, depth + 2); 2112 free(vname); 2113 } 2114 } 2115 } 2116 2117 static int 2118 refresh_iostat(zpool_handle_t *zhp, void *data) 2119 { 2120 iostat_cbdata_t *cb = data; 2121 boolean_t missing; 2122 2123 /* 2124 * If the pool has disappeared, remove it from the list and continue. 2125 */ 2126 if (zpool_refresh_stats(zhp, &missing) != 0) 2127 return (-1); 2128 2129 if (missing) 2130 pool_list_remove(cb->cb_list, zhp); 2131 2132 return (0); 2133 } 2134 2135 /* 2136 * Callback to print out the iostats for the given pool. 2137 */ 2138 int 2139 print_iostat(zpool_handle_t *zhp, void *data) 2140 { 2141 iostat_cbdata_t *cb = data; 2142 nvlist_t *oldconfig, *newconfig; 2143 nvlist_t *oldnvroot, *newnvroot; 2144 2145 newconfig = zpool_get_config(zhp, &oldconfig); 2146 2147 if (cb->cb_iteration == 1) 2148 oldconfig = NULL; 2149 2150 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2151 &newnvroot) == 0); 2152 2153 if (oldconfig == NULL) 2154 oldnvroot = NULL; 2155 else 2156 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2157 &oldnvroot) == 0); 2158 2159 /* 2160 * Print out the statistics for the pool. 2161 */ 2162 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2163 2164 if (cb->cb_verbose) 2165 print_iostat_separator(cb); 2166 2167 return (0); 2168 } 2169 2170 int 2171 get_namewidth(zpool_handle_t *zhp, void *data) 2172 { 2173 iostat_cbdata_t *cb = data; 2174 nvlist_t *config, *nvroot; 2175 2176 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2177 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2178 &nvroot) == 0); 2179 if (!cb->cb_verbose) 2180 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2181 else 2182 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2183 } 2184 2185 /* 2186 * The width must fall into the range [10,38]. The upper limit is the 2187 * maximum we can have and still fit in 80 columns. 2188 */ 2189 if (cb->cb_namewidth < 10) 2190 cb->cb_namewidth = 10; 2191 if (cb->cb_namewidth > 38) 2192 cb->cb_namewidth = 38; 2193 2194 return (0); 2195 } 2196 2197 /* 2198 * Parse the input string, get the 'interval' and 'count' value if there is one. 2199 */ 2200 static void 2201 get_interval_count(int *argcp, char **argv, unsigned long *iv, 2202 unsigned long *cnt) 2203 { 2204 unsigned long interval = 0, count = 0; 2205 int argc = *argcp, errno; 2206 2207 /* 2208 * Determine if the last argument is an integer or a pool name 2209 */ 2210 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2211 char *end; 2212 2213 errno = 0; 2214 interval = strtoul(argv[argc - 1], &end, 10); 2215 2216 if (*end == '\0' && errno == 0) { 2217 if (interval == 0) { 2218 (void) fprintf(stderr, gettext("interval " 2219 "cannot be zero\n")); 2220 usage(B_FALSE); 2221 } 2222 /* 2223 * Ignore the last parameter 2224 */ 2225 argc--; 2226 } else { 2227 /* 2228 * If this is not a valid number, just plow on. The 2229 * user will get a more informative error message later 2230 * on. 2231 */ 2232 interval = 0; 2233 } 2234 } 2235 2236 /* 2237 * If the last argument is also an integer, then we have both a count 2238 * and an interval. 2239 */ 2240 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2241 char *end; 2242 2243 errno = 0; 2244 count = interval; 2245 interval = strtoul(argv[argc - 1], &end, 10); 2246 2247 if (*end == '\0' && errno == 0) { 2248 if (interval == 0) { 2249 (void) fprintf(stderr, gettext("interval " 2250 "cannot be zero\n")); 2251 usage(B_FALSE); 2252 } 2253 2254 /* 2255 * Ignore the last parameter 2256 */ 2257 argc--; 2258 } else { 2259 interval = 0; 2260 } 2261 } 2262 2263 *iv = interval; 2264 *cnt = count; 2265 *argcp = argc; 2266 } 2267 2268 static void 2269 get_timestamp_arg(char c) 2270 { 2271 if (c == 'u') 2272 timestamp_fmt = UDATE; 2273 else if (c == 'd') 2274 timestamp_fmt = DDATE; 2275 else 2276 usage(B_FALSE); 2277 } 2278 2279 /* 2280 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2281 * 2282 * -v Display statistics for individual vdevs 2283 * -T Display a timestamp in date(1) or Unix format 2284 * 2285 * This command can be tricky because we want to be able to deal with pool 2286 * creation/destruction as well as vdev configuration changes. The bulk of this 2287 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2288 * on pool_list_update() to detect the addition of new pools. Configuration 2289 * changes are all handled within libzfs. 2290 */ 2291 int 2292 zpool_do_iostat(int argc, char **argv) 2293 { 2294 int c; 2295 int ret; 2296 int npools; 2297 unsigned long interval = 0, count = 0; 2298 zpool_list_t *list; 2299 boolean_t verbose = B_FALSE; 2300 iostat_cbdata_t cb; 2301 2302 /* check options */ 2303 while ((c = getopt(argc, argv, "T:v")) != -1) { 2304 switch (c) { 2305 case 'T': 2306 get_timestamp_arg(*optarg); 2307 break; 2308 case 'v': 2309 verbose = B_TRUE; 2310 break; 2311 case '?': 2312 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2313 optopt); 2314 usage(B_FALSE); 2315 } 2316 } 2317 2318 argc -= optind; 2319 argv += optind; 2320 2321 get_interval_count(&argc, argv, &interval, &count); 2322 2323 /* 2324 * Construct the list of all interesting pools. 2325 */ 2326 ret = 0; 2327 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2328 return (1); 2329 2330 if (pool_list_count(list) == 0 && argc != 0) { 2331 pool_list_free(list); 2332 return (1); 2333 } 2334 2335 if (pool_list_count(list) == 0 && interval == 0) { 2336 pool_list_free(list); 2337 (void) fprintf(stderr, gettext("no pools available\n")); 2338 return (1); 2339 } 2340 2341 /* 2342 * Enter the main iostat loop. 2343 */ 2344 cb.cb_list = list; 2345 cb.cb_verbose = verbose; 2346 cb.cb_iteration = 0; 2347 cb.cb_namewidth = 0; 2348 2349 for (;;) { 2350 pool_list_update(list); 2351 2352 if ((npools = pool_list_count(list)) == 0) 2353 break; 2354 2355 /* 2356 * Refresh all statistics. This is done as an explicit step 2357 * before calculating the maximum name width, so that any 2358 * configuration changes are properly accounted for. 2359 */ 2360 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2361 2362 /* 2363 * Iterate over all pools to determine the maximum width 2364 * for the pool / device name column across all pools. 2365 */ 2366 cb.cb_namewidth = 0; 2367 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2368 2369 if (timestamp_fmt != NODATE) 2370 print_timestamp(timestamp_fmt); 2371 2372 /* 2373 * If it's the first time, or verbose mode, print the header. 2374 */ 2375 if (++cb.cb_iteration == 1 || verbose) 2376 print_iostat_header(&cb); 2377 2378 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2379 2380 /* 2381 * If there's more than one pool, and we're not in verbose mode 2382 * (which prints a separator for us), then print a separator. 2383 */ 2384 if (npools > 1 && !verbose) 2385 print_iostat_separator(&cb); 2386 2387 if (verbose) 2388 (void) printf("\n"); 2389 2390 /* 2391 * Flush the output so that redirection to a file isn't buffered 2392 * indefinitely. 2393 */ 2394 (void) fflush(stdout); 2395 2396 if (interval == 0) 2397 break; 2398 2399 if (count != 0 && --count == 0) 2400 break; 2401 2402 (void) sleep(interval); 2403 } 2404 2405 pool_list_free(list); 2406 2407 return (ret); 2408 } 2409 2410 typedef struct list_cbdata { 2411 boolean_t cb_scripted; 2412 boolean_t cb_first; 2413 zprop_list_t *cb_proplist; 2414 } list_cbdata_t; 2415 2416 /* 2417 * Given a list of columns to display, output appropriate headers for each one. 2418 */ 2419 static void 2420 print_header(zprop_list_t *pl) 2421 { 2422 const char *header; 2423 boolean_t first = B_TRUE; 2424 boolean_t right_justify; 2425 2426 for (; pl != NULL; pl = pl->pl_next) { 2427 if (pl->pl_prop == ZPROP_INVAL) 2428 continue; 2429 2430 if (!first) 2431 (void) printf(" "); 2432 else 2433 first = B_FALSE; 2434 2435 header = zpool_prop_column_name(pl->pl_prop); 2436 right_justify = zpool_prop_align_right(pl->pl_prop); 2437 2438 if (pl->pl_next == NULL && !right_justify) 2439 (void) printf("%s", header); 2440 else if (right_justify) 2441 (void) printf("%*s", pl->pl_width, header); 2442 else 2443 (void) printf("%-*s", pl->pl_width, header); 2444 } 2445 2446 (void) printf("\n"); 2447 } 2448 2449 /* 2450 * Given a pool and a list of properties, print out all the properties according 2451 * to the described layout. 2452 */ 2453 static void 2454 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2455 { 2456 boolean_t first = B_TRUE; 2457 char property[ZPOOL_MAXPROPLEN]; 2458 char *propstr; 2459 boolean_t right_justify; 2460 int width; 2461 2462 for (; pl != NULL; pl = pl->pl_next) { 2463 if (!first) { 2464 if (scripted) 2465 (void) printf("\t"); 2466 else 2467 (void) printf(" "); 2468 } else { 2469 first = B_FALSE; 2470 } 2471 2472 right_justify = B_FALSE; 2473 if (pl->pl_prop != ZPROP_INVAL) { 2474 if (zpool_get_prop(zhp, pl->pl_prop, property, 2475 sizeof (property), NULL) != 0) 2476 propstr = "-"; 2477 else 2478 propstr = property; 2479 2480 right_justify = zpool_prop_align_right(pl->pl_prop); 2481 } else { 2482 propstr = "-"; 2483 } 2484 2485 width = pl->pl_width; 2486 2487 /* 2488 * If this is being called in scripted mode, or if this is the 2489 * last column and it is left-justified, don't include a width 2490 * format specifier. 2491 */ 2492 if (scripted || (pl->pl_next == NULL && !right_justify)) 2493 (void) printf("%s", propstr); 2494 else if (right_justify) 2495 (void) printf("%*s", width, propstr); 2496 else 2497 (void) printf("%-*s", width, propstr); 2498 } 2499 2500 (void) printf("\n"); 2501 } 2502 2503 /* 2504 * Generic callback function to list a pool. 2505 */ 2506 int 2507 list_callback(zpool_handle_t *zhp, void *data) 2508 { 2509 list_cbdata_t *cbp = data; 2510 2511 if (cbp->cb_first) { 2512 if (!cbp->cb_scripted) 2513 print_header(cbp->cb_proplist); 2514 cbp->cb_first = B_FALSE; 2515 } 2516 2517 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2518 2519 return (0); 2520 } 2521 2522 /* 2523 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2524 * 2525 * -H Scripted mode. Don't display headers, and separate properties 2526 * by a single tab. 2527 * -o List of properties to display. Defaults to 2528 * "name,size,allocated,free,capacity,health,altroot" 2529 * -T Display a timestamp in date(1) or Unix format 2530 * 2531 * List all pools in the system, whether or not they're healthy. Output space 2532 * statistics for each one, as well as health status summary. 2533 */ 2534 int 2535 zpool_do_list(int argc, char **argv) 2536 { 2537 int c; 2538 int ret; 2539 list_cbdata_t cb = { 0 }; 2540 static char default_props[] = 2541 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2542 char *props = default_props; 2543 unsigned long interval = 0, count = 0; 2544 2545 /* check options */ 2546 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2547 switch (c) { 2548 case 'H': 2549 cb.cb_scripted = B_TRUE; 2550 break; 2551 case 'o': 2552 props = optarg; 2553 break; 2554 case 'T': 2555 get_timestamp_arg(*optarg); 2556 break; 2557 case ':': 2558 (void) fprintf(stderr, gettext("missing argument for " 2559 "'%c' option\n"), optopt); 2560 usage(B_FALSE); 2561 break; 2562 case '?': 2563 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2564 optopt); 2565 usage(B_FALSE); 2566 } 2567 } 2568 2569 argc -= optind; 2570 argv += optind; 2571 2572 get_interval_count(&argc, argv, &interval, &count); 2573 2574 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2575 usage(B_FALSE); 2576 2577 cb.cb_first = B_TRUE; 2578 2579 for (;;) { 2580 2581 if (timestamp_fmt != NODATE) 2582 print_timestamp(timestamp_fmt); 2583 2584 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2585 list_callback, &cb); 2586 2587 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2588 (void) printf(gettext("no pools available\n")); 2589 zprop_free_list(cb.cb_proplist); 2590 return (0); 2591 } 2592 2593 if (interval == 0) 2594 break; 2595 2596 if (count != 0 && --count == 0) 2597 break; 2598 2599 (void) sleep(interval); 2600 } 2601 2602 zprop_free_list(cb.cb_proplist); 2603 return (ret); 2604 } 2605 2606 static nvlist_t * 2607 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2608 { 2609 nvlist_t **child; 2610 uint_t c, children; 2611 nvlist_t *match; 2612 char *path; 2613 2614 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2615 &child, &children) != 0) { 2616 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2617 if (strncmp(name, "/dev/dsk/", 9) == 0) 2618 name += 9; 2619 if (strncmp(path, "/dev/dsk/", 9) == 0) 2620 path += 9; 2621 if (strcmp(name, path) == 0) 2622 return (nv); 2623 return (NULL); 2624 } 2625 2626 for (c = 0; c < children; c++) 2627 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2628 return (match); 2629 2630 return (NULL); 2631 } 2632 2633 static int 2634 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2635 { 2636 boolean_t force = B_FALSE; 2637 int c; 2638 nvlist_t *nvroot; 2639 char *poolname, *old_disk, *new_disk; 2640 zpool_handle_t *zhp; 2641 int ret; 2642 2643 /* check options */ 2644 while ((c = getopt(argc, argv, "f")) != -1) { 2645 switch (c) { 2646 case 'f': 2647 force = B_TRUE; 2648 break; 2649 case '?': 2650 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2651 optopt); 2652 usage(B_FALSE); 2653 } 2654 } 2655 2656 argc -= optind; 2657 argv += optind; 2658 2659 /* get pool name and check number of arguments */ 2660 if (argc < 1) { 2661 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2662 usage(B_FALSE); 2663 } 2664 2665 poolname = argv[0]; 2666 2667 if (argc < 2) { 2668 (void) fprintf(stderr, 2669 gettext("missing <device> specification\n")); 2670 usage(B_FALSE); 2671 } 2672 2673 old_disk = argv[1]; 2674 2675 if (argc < 3) { 2676 if (!replacing) { 2677 (void) fprintf(stderr, 2678 gettext("missing <new_device> specification\n")); 2679 usage(B_FALSE); 2680 } 2681 new_disk = old_disk; 2682 argc -= 1; 2683 argv += 1; 2684 } else { 2685 new_disk = argv[2]; 2686 argc -= 2; 2687 argv += 2; 2688 } 2689 2690 if (argc > 1) { 2691 (void) fprintf(stderr, gettext("too many arguments\n")); 2692 usage(B_FALSE); 2693 } 2694 2695 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2696 return (1); 2697 2698 if (zpool_get_config(zhp, NULL) == NULL) { 2699 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2700 poolname); 2701 zpool_close(zhp); 2702 return (1); 2703 } 2704 2705 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2706 argc, argv); 2707 if (nvroot == NULL) { 2708 zpool_close(zhp); 2709 return (1); 2710 } 2711 2712 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2713 2714 nvlist_free(nvroot); 2715 zpool_close(zhp); 2716 2717 return (ret); 2718 } 2719 2720 /* 2721 * zpool replace [-f] <pool> <device> <new_device> 2722 * 2723 * -f Force attach, even if <new_device> appears to be in use. 2724 * 2725 * Replace <device> with <new_device>. 2726 */ 2727 /* ARGSUSED */ 2728 int 2729 zpool_do_replace(int argc, char **argv) 2730 { 2731 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2732 } 2733 2734 /* 2735 * zpool attach [-f] <pool> <device> <new_device> 2736 * 2737 * -f Force attach, even if <new_device> appears to be in use. 2738 * 2739 * Attach <new_device> to the mirror containing <device>. If <device> is not 2740 * part of a mirror, then <device> will be transformed into a mirror of 2741 * <device> and <new_device>. In either case, <new_device> will begin life 2742 * with a DTL of [0, now], and will immediately begin to resilver itself. 2743 */ 2744 int 2745 zpool_do_attach(int argc, char **argv) 2746 { 2747 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2748 } 2749 2750 /* 2751 * zpool detach [-f] <pool> <device> 2752 * 2753 * -f Force detach of <device>, even if DTLs argue against it 2754 * (not supported yet) 2755 * 2756 * Detach a device from a mirror. The operation will be refused if <device> 2757 * is the last device in the mirror, or if the DTLs indicate that this device 2758 * has the only valid copy of some data. 2759 */ 2760 /* ARGSUSED */ 2761 int 2762 zpool_do_detach(int argc, char **argv) 2763 { 2764 int c; 2765 char *poolname, *path; 2766 zpool_handle_t *zhp; 2767 int ret; 2768 2769 /* check options */ 2770 while ((c = getopt(argc, argv, "f")) != -1) { 2771 switch (c) { 2772 case 'f': 2773 case '?': 2774 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2775 optopt); 2776 usage(B_FALSE); 2777 } 2778 } 2779 2780 argc -= optind; 2781 argv += optind; 2782 2783 /* get pool name and check number of arguments */ 2784 if (argc < 1) { 2785 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2786 usage(B_FALSE); 2787 } 2788 2789 if (argc < 2) { 2790 (void) fprintf(stderr, 2791 gettext("missing <device> specification\n")); 2792 usage(B_FALSE); 2793 } 2794 2795 poolname = argv[0]; 2796 path = argv[1]; 2797 2798 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2799 return (1); 2800 2801 ret = zpool_vdev_detach(zhp, path); 2802 2803 zpool_close(zhp); 2804 2805 return (ret); 2806 } 2807 2808 /* 2809 * zpool split [-n] [-o prop=val] ... 2810 * [-o mntopt] ... 2811 * [-R altroot] <pool> <newpool> [<device> ...] 2812 * 2813 * -n Do not split the pool, but display the resulting layout if 2814 * it were to be split. 2815 * -o Set property=value, or set mount options. 2816 * -R Mount the split-off pool under an alternate root. 2817 * 2818 * Splits the named pool and gives it the new pool name. Devices to be split 2819 * off may be listed, provided that no more than one device is specified 2820 * per top-level vdev mirror. The newly split pool is left in an exported 2821 * state unless -R is specified. 2822 * 2823 * Restrictions: the top-level of the pool pool must only be made up of 2824 * mirrors; all devices in the pool must be healthy; no device may be 2825 * undergoing a resilvering operation. 2826 */ 2827 int 2828 zpool_do_split(int argc, char **argv) 2829 { 2830 char *srcpool, *newpool, *propval; 2831 char *mntopts = NULL; 2832 splitflags_t flags; 2833 int c, ret = 0; 2834 zpool_handle_t *zhp; 2835 nvlist_t *config, *props = NULL; 2836 2837 flags.dryrun = B_FALSE; 2838 flags.import = B_FALSE; 2839 2840 /* check options */ 2841 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2842 switch (c) { 2843 case 'R': 2844 flags.import = B_TRUE; 2845 if (add_prop_list( 2846 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2847 &props, B_TRUE) != 0) { 2848 if (props) 2849 nvlist_free(props); 2850 usage(B_FALSE); 2851 } 2852 break; 2853 case 'n': 2854 flags.dryrun = B_TRUE; 2855 break; 2856 case 'o': 2857 if ((propval = strchr(optarg, '=')) != NULL) { 2858 *propval = '\0'; 2859 propval++; 2860 if (add_prop_list(optarg, propval, 2861 &props, B_TRUE) != 0) { 2862 if (props) 2863 nvlist_free(props); 2864 usage(B_FALSE); 2865 } 2866 } else { 2867 mntopts = optarg; 2868 } 2869 break; 2870 case ':': 2871 (void) fprintf(stderr, gettext("missing argument for " 2872 "'%c' option\n"), optopt); 2873 usage(B_FALSE); 2874 break; 2875 case '?': 2876 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2877 optopt); 2878 usage(B_FALSE); 2879 break; 2880 } 2881 } 2882 2883 if (!flags.import && mntopts != NULL) { 2884 (void) fprintf(stderr, gettext("setting mntopts is only " 2885 "valid when importing the pool\n")); 2886 usage(B_FALSE); 2887 } 2888 2889 argc -= optind; 2890 argv += optind; 2891 2892 if (argc < 1) { 2893 (void) fprintf(stderr, gettext("Missing pool name\n")); 2894 usage(B_FALSE); 2895 } 2896 if (argc < 2) { 2897 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2898 usage(B_FALSE); 2899 } 2900 2901 srcpool = argv[0]; 2902 newpool = argv[1]; 2903 2904 argc -= 2; 2905 argv += 2; 2906 2907 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2908 return (1); 2909 2910 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2911 if (config == NULL) { 2912 ret = 1; 2913 } else { 2914 if (flags.dryrun) { 2915 (void) printf(gettext("would create '%s' with the " 2916 "following layout:\n\n"), newpool); 2917 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2918 } 2919 nvlist_free(config); 2920 } 2921 2922 zpool_close(zhp); 2923 2924 if (ret != 0 || flags.dryrun || !flags.import) 2925 return (ret); 2926 2927 /* 2928 * The split was successful. Now we need to open the new 2929 * pool and import it. 2930 */ 2931 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2932 return (1); 2933 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2934 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2935 ret = 1; 2936 (void) fprintf(stderr, gettext("Split was succssful, but " 2937 "the datasets could not all be mounted\n")); 2938 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2939 "different altroot\n"), "zpool import"); 2940 } 2941 zpool_close(zhp); 2942 2943 return (ret); 2944 } 2945 2946 2947 2948 /* 2949 * zpool online <pool> <device> ... 2950 */ 2951 int 2952 zpool_do_online(int argc, char **argv) 2953 { 2954 int c, i; 2955 char *poolname; 2956 zpool_handle_t *zhp; 2957 int ret = 0; 2958 vdev_state_t newstate; 2959 int flags = 0; 2960 2961 /* check options */ 2962 while ((c = getopt(argc, argv, "et")) != -1) { 2963 switch (c) { 2964 case 'e': 2965 flags |= ZFS_ONLINE_EXPAND; 2966 break; 2967 case 't': 2968 case '?': 2969 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2970 optopt); 2971 usage(B_FALSE); 2972 } 2973 } 2974 2975 argc -= optind; 2976 argv += optind; 2977 2978 /* get pool name and check number of arguments */ 2979 if (argc < 1) { 2980 (void) fprintf(stderr, gettext("missing pool name\n")); 2981 usage(B_FALSE); 2982 } 2983 if (argc < 2) { 2984 (void) fprintf(stderr, gettext("missing device name\n")); 2985 usage(B_FALSE); 2986 } 2987 2988 poolname = argv[0]; 2989 2990 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2991 return (1); 2992 2993 for (i = 1; i < argc; i++) { 2994 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 2995 if (newstate != VDEV_STATE_HEALTHY) { 2996 (void) printf(gettext("warning: device '%s' " 2997 "onlined, but remains in faulted state\n"), 2998 argv[i]); 2999 if (newstate == VDEV_STATE_FAULTED) 3000 (void) printf(gettext("use 'zpool " 3001 "clear' to restore a faulted " 3002 "device\n")); 3003 else 3004 (void) printf(gettext("use 'zpool " 3005 "replace' to replace devices " 3006 "that are no longer present\n")); 3007 } 3008 } else { 3009 ret = 1; 3010 } 3011 } 3012 3013 zpool_close(zhp); 3014 3015 return (ret); 3016 } 3017 3018 /* 3019 * zpool offline [-ft] <pool> <device> ... 3020 * 3021 * -f Force the device into the offline state, even if doing 3022 * so would appear to compromise pool availability. 3023 * (not supported yet) 3024 * 3025 * -t Only take the device off-line temporarily. The offline 3026 * state will not be persistent across reboots. 3027 */ 3028 /* ARGSUSED */ 3029 int 3030 zpool_do_offline(int argc, char **argv) 3031 { 3032 int c, i; 3033 char *poolname; 3034 zpool_handle_t *zhp; 3035 int ret = 0; 3036 boolean_t istmp = B_FALSE; 3037 3038 /* check options */ 3039 while ((c = getopt(argc, argv, "ft")) != -1) { 3040 switch (c) { 3041 case 't': 3042 istmp = B_TRUE; 3043 break; 3044 case 'f': 3045 case '?': 3046 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3047 optopt); 3048 usage(B_FALSE); 3049 } 3050 } 3051 3052 argc -= optind; 3053 argv += optind; 3054 3055 /* get pool name and check number of arguments */ 3056 if (argc < 1) { 3057 (void) fprintf(stderr, gettext("missing pool name\n")); 3058 usage(B_FALSE); 3059 } 3060 if (argc < 2) { 3061 (void) fprintf(stderr, gettext("missing device name\n")); 3062 usage(B_FALSE); 3063 } 3064 3065 poolname = argv[0]; 3066 3067 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3068 return (1); 3069 3070 for (i = 1; i < argc; i++) { 3071 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3072 ret = 1; 3073 } 3074 3075 zpool_close(zhp); 3076 3077 return (ret); 3078 } 3079 3080 /* 3081 * zpool clear <pool> [device] 3082 * 3083 * Clear all errors associated with a pool or a particular device. 3084 */ 3085 int 3086 zpool_do_clear(int argc, char **argv) 3087 { 3088 int c; 3089 int ret = 0; 3090 boolean_t dryrun = B_FALSE; 3091 boolean_t do_rewind = B_FALSE; 3092 boolean_t xtreme_rewind = B_FALSE; 3093 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3094 nvlist_t *policy = NULL; 3095 zpool_handle_t *zhp; 3096 char *pool, *device; 3097 3098 /* check options */ 3099 while ((c = getopt(argc, argv, "FnX")) != -1) { 3100 switch (c) { 3101 case 'F': 3102 do_rewind = B_TRUE; 3103 break; 3104 case 'n': 3105 dryrun = B_TRUE; 3106 break; 3107 case 'X': 3108 xtreme_rewind = B_TRUE; 3109 break; 3110 case '?': 3111 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3112 optopt); 3113 usage(B_FALSE); 3114 } 3115 } 3116 3117 argc -= optind; 3118 argv += optind; 3119 3120 if (argc < 1) { 3121 (void) fprintf(stderr, gettext("missing pool name\n")); 3122 usage(B_FALSE); 3123 } 3124 3125 if (argc > 2) { 3126 (void) fprintf(stderr, gettext("too many arguments\n")); 3127 usage(B_FALSE); 3128 } 3129 3130 if ((dryrun || xtreme_rewind) && !do_rewind) { 3131 (void) fprintf(stderr, 3132 gettext("-n or -X only meaningful with -F\n")); 3133 usage(B_FALSE); 3134 } 3135 if (dryrun) 3136 rewind_policy = ZPOOL_TRY_REWIND; 3137 else if (do_rewind) 3138 rewind_policy = ZPOOL_DO_REWIND; 3139 if (xtreme_rewind) 3140 rewind_policy |= ZPOOL_EXTREME_REWIND; 3141 3142 /* In future, further rewind policy choices can be passed along here */ 3143 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3144 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3145 return (1); 3146 3147 pool = argv[0]; 3148 device = argc == 2 ? argv[1] : NULL; 3149 3150 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3151 nvlist_free(policy); 3152 return (1); 3153 } 3154 3155 if (zpool_clear(zhp, device, policy) != 0) 3156 ret = 1; 3157 3158 zpool_close(zhp); 3159 3160 nvlist_free(policy); 3161 3162 return (ret); 3163 } 3164 3165 typedef struct scrub_cbdata { 3166 int cb_type; 3167 int cb_argc; 3168 char **cb_argv; 3169 } scrub_cbdata_t; 3170 3171 int 3172 scrub_callback(zpool_handle_t *zhp, void *data) 3173 { 3174 scrub_cbdata_t *cb = data; 3175 int err; 3176 3177 /* 3178 * Ignore faulted pools. 3179 */ 3180 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3181 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3182 "currently unavailable\n"), zpool_get_name(zhp)); 3183 return (1); 3184 } 3185 3186 err = zpool_scan(zhp, cb->cb_type); 3187 3188 return (err != 0); 3189 } 3190 3191 /* 3192 * zpool scrub [-s] <pool> ... 3193 * 3194 * -s Stop. Stops any in-progress scrub. 3195 */ 3196 int 3197 zpool_do_scrub(int argc, char **argv) 3198 { 3199 int c; 3200 scrub_cbdata_t cb; 3201 3202 cb.cb_type = POOL_SCAN_SCRUB; 3203 3204 /* check options */ 3205 while ((c = getopt(argc, argv, "s")) != -1) { 3206 switch (c) { 3207 case 's': 3208 cb.cb_type = POOL_SCAN_NONE; 3209 break; 3210 case '?': 3211 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3212 optopt); 3213 usage(B_FALSE); 3214 } 3215 } 3216 3217 cb.cb_argc = argc; 3218 cb.cb_argv = argv; 3219 argc -= optind; 3220 argv += optind; 3221 3222 if (argc < 1) { 3223 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3224 usage(B_FALSE); 3225 } 3226 3227 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3228 } 3229 3230 typedef struct status_cbdata { 3231 int cb_count; 3232 boolean_t cb_allpools; 3233 boolean_t cb_verbose; 3234 boolean_t cb_explain; 3235 boolean_t cb_first; 3236 boolean_t cb_dedup_stats; 3237 } status_cbdata_t; 3238 3239 /* 3240 * Print out detailed scrub status. 3241 */ 3242 void 3243 print_scan_status(pool_scan_stat_t *ps) 3244 { 3245 time_t start, end; 3246 uint64_t elapsed, mins_left, hours_left; 3247 uint64_t pass_exam, examined, total; 3248 uint_t rate; 3249 double fraction_done; 3250 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3251 3252 (void) printf(gettext(" scan: ")); 3253 3254 /* If there's never been a scan, there's not much to say. */ 3255 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3256 ps->pss_func >= POOL_SCAN_FUNCS) { 3257 (void) printf(gettext("none requested\n")); 3258 return; 3259 } 3260 3261 start = ps->pss_start_time; 3262 end = ps->pss_end_time; 3263 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3264 3265 assert(ps->pss_func == POOL_SCAN_SCRUB || 3266 ps->pss_func == POOL_SCAN_RESILVER); 3267 /* 3268 * Scan is finished or canceled. 3269 */ 3270 if (ps->pss_state == DSS_FINISHED) { 3271 uint64_t minutes_taken = (end - start) / 60; 3272 char *fmt; 3273 3274 if (ps->pss_func == POOL_SCAN_SCRUB) { 3275 fmt = gettext("scrub repaired %s in %lluh%um with " 3276 "%llu errors on %s"); 3277 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3278 fmt = gettext("resilvered %s in %lluh%um with " 3279 "%llu errors on %s"); 3280 } 3281 /* LINTED */ 3282 (void) printf(fmt, processed_buf, 3283 (u_longlong_t)(minutes_taken / 60), 3284 (uint_t)(minutes_taken % 60), 3285 (u_longlong_t)ps->pss_errors, 3286 ctime((time_t *)&end)); 3287 return; 3288 } else if (ps->pss_state == DSS_CANCELED) { 3289 if (ps->pss_func == POOL_SCAN_SCRUB) { 3290 (void) printf(gettext("scrub canceled on %s"), 3291 ctime(&end)); 3292 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3293 (void) printf(gettext("resilver canceled on %s"), 3294 ctime(&end)); 3295 } 3296 return; 3297 } 3298 3299 assert(ps->pss_state == DSS_SCANNING); 3300 3301 /* 3302 * Scan is in progress. 3303 */ 3304 if (ps->pss_func == POOL_SCAN_SCRUB) { 3305 (void) printf(gettext("scrub in progress since %s"), 3306 ctime(&start)); 3307 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3308 (void) printf(gettext("resilver in progress since %s"), 3309 ctime(&start)); 3310 } 3311 3312 examined = ps->pss_examined ? ps->pss_examined : 1; 3313 total = ps->pss_to_examine; 3314 fraction_done = (double)examined / total; 3315 3316 /* elapsed time for this pass */ 3317 elapsed = time(NULL) - ps->pss_pass_start; 3318 elapsed = elapsed ? elapsed : 1; 3319 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3320 rate = pass_exam / elapsed; 3321 rate = rate ? rate : 1; 3322 mins_left = ((total - examined) / rate) / 60; 3323 hours_left = mins_left / 60; 3324 3325 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3326 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3327 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3328 3329 /* 3330 * do not print estimated time if hours_left is more than 30 days 3331 */ 3332 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3333 examined_buf, total_buf, rate_buf); 3334 if (hours_left < (30 * 24)) { 3335 (void) printf(gettext(", %lluh%um to go\n"), 3336 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3337 } else { 3338 (void) printf(gettext( 3339 ", (scan is slow, no estimated time)\n")); 3340 } 3341 3342 if (ps->pss_func == POOL_SCAN_RESILVER) { 3343 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3344 processed_buf, 100 * fraction_done); 3345 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3346 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3347 processed_buf, 100 * fraction_done); 3348 } 3349 } 3350 3351 static void 3352 print_error_log(zpool_handle_t *zhp) 3353 { 3354 nvlist_t *nverrlist = NULL; 3355 nvpair_t *elem; 3356 char *pathname; 3357 size_t len = MAXPATHLEN * 2; 3358 3359 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3360 (void) printf("errors: List of errors unavailable " 3361 "(insufficient privileges)\n"); 3362 return; 3363 } 3364 3365 (void) printf("errors: Permanent errors have been " 3366 "detected in the following files:\n\n"); 3367 3368 pathname = safe_malloc(len); 3369 elem = NULL; 3370 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3371 nvlist_t *nv; 3372 uint64_t dsobj, obj; 3373 3374 verify(nvpair_value_nvlist(elem, &nv) == 0); 3375 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3376 &dsobj) == 0); 3377 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3378 &obj) == 0); 3379 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3380 (void) printf("%7s %s\n", "", pathname); 3381 } 3382 free(pathname); 3383 nvlist_free(nverrlist); 3384 } 3385 3386 static void 3387 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3388 int namewidth) 3389 { 3390 uint_t i; 3391 char *name; 3392 3393 if (nspares == 0) 3394 return; 3395 3396 (void) printf(gettext("\tspares\n")); 3397 3398 for (i = 0; i < nspares; i++) { 3399 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3400 print_status_config(zhp, name, spares[i], 3401 namewidth, 2, B_TRUE); 3402 free(name); 3403 } 3404 } 3405 3406 static void 3407 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3408 int namewidth) 3409 { 3410 uint_t i; 3411 char *name; 3412 3413 if (nl2cache == 0) 3414 return; 3415 3416 (void) printf(gettext("\tcache\n")); 3417 3418 for (i = 0; i < nl2cache; i++) { 3419 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3420 print_status_config(zhp, name, l2cache[i], 3421 namewidth, 2, B_FALSE); 3422 free(name); 3423 } 3424 } 3425 3426 static void 3427 print_dedup_stats(nvlist_t *config) 3428 { 3429 ddt_histogram_t *ddh; 3430 ddt_stat_t *dds; 3431 ddt_object_t *ddo; 3432 uint_t c; 3433 3434 /* 3435 * If the pool was faulted then we may not have been able to 3436 * obtain the config. Otherwise, if have anything in the dedup 3437 * table continue processing the stats. 3438 */ 3439 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3440 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3441 return; 3442 3443 (void) printf("\n"); 3444 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3445 (u_longlong_t)ddo->ddo_count, 3446 (u_longlong_t)ddo->ddo_dspace, 3447 (u_longlong_t)ddo->ddo_mspace); 3448 3449 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3450 (uint64_t **)&dds, &c) == 0); 3451 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3452 (uint64_t **)&ddh, &c) == 0); 3453 zpool_dump_ddt(dds, ddh); 3454 } 3455 3456 /* 3457 * Display a summary of pool status. Displays a summary such as: 3458 * 3459 * pool: tank 3460 * status: DEGRADED 3461 * reason: One or more devices ... 3462 * see: http://www.sun.com/msg/ZFS-xxxx-01 3463 * config: 3464 * mirror DEGRADED 3465 * c1t0d0 OK 3466 * c2t0d0 UNAVAIL 3467 * 3468 * When given the '-v' option, we print out the complete config. If the '-e' 3469 * option is specified, then we print out error rate information as well. 3470 */ 3471 int 3472 status_callback(zpool_handle_t *zhp, void *data) 3473 { 3474 status_cbdata_t *cbp = data; 3475 nvlist_t *config, *nvroot; 3476 char *msgid; 3477 int reason; 3478 const char *health; 3479 uint_t c; 3480 vdev_stat_t *vs; 3481 3482 config = zpool_get_config(zhp, NULL); 3483 reason = zpool_get_status(zhp, &msgid); 3484 3485 cbp->cb_count++; 3486 3487 /* 3488 * If we were given 'zpool status -x', only report those pools with 3489 * problems. 3490 */ 3491 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3492 if (!cbp->cb_allpools) { 3493 (void) printf(gettext("pool '%s' is healthy\n"), 3494 zpool_get_name(zhp)); 3495 if (cbp->cb_first) 3496 cbp->cb_first = B_FALSE; 3497 } 3498 return (0); 3499 } 3500 3501 if (cbp->cb_first) 3502 cbp->cb_first = B_FALSE; 3503 else 3504 (void) printf("\n"); 3505 3506 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3507 &nvroot) == 0); 3508 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3509 (uint64_t **)&vs, &c) == 0); 3510 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3511 3512 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3513 (void) printf(gettext(" state: %s\n"), health); 3514 3515 switch (reason) { 3516 case ZPOOL_STATUS_MISSING_DEV_R: 3517 (void) printf(gettext("status: One or more devices could not " 3518 "be opened. Sufficient replicas exist for\n\tthe pool to " 3519 "continue functioning in a degraded state.\n")); 3520 (void) printf(gettext("action: Attach the missing device and " 3521 "online it using 'zpool online'.\n")); 3522 break; 3523 3524 case ZPOOL_STATUS_MISSING_DEV_NR: 3525 (void) printf(gettext("status: One or more devices could not " 3526 "be opened. There are insufficient\n\treplicas for the " 3527 "pool to continue functioning.\n")); 3528 (void) printf(gettext("action: Attach the missing device and " 3529 "online it using 'zpool online'.\n")); 3530 break; 3531 3532 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3533 (void) printf(gettext("status: One or more devices could not " 3534 "be used because the label is missing or\n\tinvalid. " 3535 "Sufficient replicas exist for the pool to continue\n\t" 3536 "functioning in a degraded state.\n")); 3537 (void) printf(gettext("action: Replace the device using " 3538 "'zpool replace'.\n")); 3539 break; 3540 3541 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3542 (void) printf(gettext("status: One or more devices could not " 3543 "be used because the label is missing \n\tor invalid. " 3544 "There are insufficient replicas for the pool to " 3545 "continue\n\tfunctioning.\n")); 3546 zpool_explain_recover(zpool_get_handle(zhp), 3547 zpool_get_name(zhp), reason, config); 3548 break; 3549 3550 case ZPOOL_STATUS_FAILING_DEV: 3551 (void) printf(gettext("status: One or more devices has " 3552 "experienced an unrecoverable error. An\n\tattempt was " 3553 "made to correct the error. Applications are " 3554 "unaffected.\n")); 3555 (void) printf(gettext("action: Determine if the device needs " 3556 "to be replaced, and clear the errors\n\tusing " 3557 "'zpool clear' or replace the device with 'zpool " 3558 "replace'.\n")); 3559 break; 3560 3561 case ZPOOL_STATUS_OFFLINE_DEV: 3562 (void) printf(gettext("status: One or more devices has " 3563 "been taken offline by the administrator.\n\tSufficient " 3564 "replicas exist for the pool to continue functioning in " 3565 "a\n\tdegraded state.\n")); 3566 (void) printf(gettext("action: Online the device using " 3567 "'zpool online' or replace the device with\n\t'zpool " 3568 "replace'.\n")); 3569 break; 3570 3571 case ZPOOL_STATUS_REMOVED_DEV: 3572 (void) printf(gettext("status: One or more devices has " 3573 "been removed by the administrator.\n\tSufficient " 3574 "replicas exist for the pool to continue functioning in " 3575 "a\n\tdegraded state.\n")); 3576 (void) printf(gettext("action: Online the device using " 3577 "'zpool online' or replace the device with\n\t'zpool " 3578 "replace'.\n")); 3579 break; 3580 3581 case ZPOOL_STATUS_RESILVERING: 3582 (void) printf(gettext("status: One or more devices is " 3583 "currently being resilvered. The pool will\n\tcontinue " 3584 "to function, possibly in a degraded state.\n")); 3585 (void) printf(gettext("action: Wait for the resilver to " 3586 "complete.\n")); 3587 break; 3588 3589 case ZPOOL_STATUS_CORRUPT_DATA: 3590 (void) printf(gettext("status: One or more devices has " 3591 "experienced an error resulting in data\n\tcorruption. " 3592 "Applications may be affected.\n")); 3593 (void) printf(gettext("action: Restore the file in question " 3594 "if possible. Otherwise restore the\n\tentire pool from " 3595 "backup.\n")); 3596 break; 3597 3598 case ZPOOL_STATUS_CORRUPT_POOL: 3599 (void) printf(gettext("status: The pool metadata is corrupted " 3600 "and the pool cannot be opened.\n")); 3601 zpool_explain_recover(zpool_get_handle(zhp), 3602 zpool_get_name(zhp), reason, config); 3603 break; 3604 3605 case ZPOOL_STATUS_VERSION_OLDER: 3606 (void) printf(gettext("status: The pool is formatted using an " 3607 "older on-disk format. The pool can\n\tstill be used, but " 3608 "some features are unavailable.\n")); 3609 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3610 "upgrade'. Once this is done, the\n\tpool will no longer " 3611 "be accessible on older software versions.\n")); 3612 break; 3613 3614 case ZPOOL_STATUS_VERSION_NEWER: 3615 (void) printf(gettext("status: The pool has been upgraded to a " 3616 "newer, incompatible on-disk version.\n\tThe pool cannot " 3617 "be accessed on this system.\n")); 3618 (void) printf(gettext("action: Access the pool from a system " 3619 "running more recent software, or\n\trestore the pool from " 3620 "backup.\n")); 3621 break; 3622 3623 case ZPOOL_STATUS_FAULTED_DEV_R: 3624 (void) printf(gettext("status: One or more devices are " 3625 "faulted in response to persistent errors.\n\tSufficient " 3626 "replicas exist for the pool to continue functioning " 3627 "in a\n\tdegraded state.\n")); 3628 (void) printf(gettext("action: Replace the faulted device, " 3629 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3630 break; 3631 3632 case ZPOOL_STATUS_FAULTED_DEV_NR: 3633 (void) printf(gettext("status: One or more devices are " 3634 "faulted in response to persistent errors. There are " 3635 "insufficient replicas for the pool to\n\tcontinue " 3636 "functioning.\n")); 3637 (void) printf(gettext("action: Destroy and re-create the pool " 3638 "from a backup source. Manually marking the device\n" 3639 "\trepaired using 'zpool clear' may allow some data " 3640 "to be recovered.\n")); 3641 break; 3642 3643 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3644 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3645 (void) printf(gettext("status: One or more devices are " 3646 "faulted in response to IO failures.\n")); 3647 (void) printf(gettext("action: Make sure the affected devices " 3648 "are connected, then run 'zpool clear'.\n")); 3649 break; 3650 3651 case ZPOOL_STATUS_BAD_LOG: 3652 (void) printf(gettext("status: An intent log record " 3653 "could not be read.\n" 3654 "\tWaiting for adminstrator intervention to fix the " 3655 "faulted pool.\n")); 3656 (void) printf(gettext("action: Either restore the affected " 3657 "device(s) and run 'zpool online',\n" 3658 "\tor ignore the intent log records by running " 3659 "'zpool clear'.\n")); 3660 break; 3661 3662 default: 3663 /* 3664 * The remaining errors can't actually be generated, yet. 3665 */ 3666 assert(reason == ZPOOL_STATUS_OK); 3667 } 3668 3669 if (msgid != NULL) 3670 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3671 msgid); 3672 3673 if (config != NULL) { 3674 int namewidth; 3675 uint64_t nerr; 3676 nvlist_t **spares, **l2cache; 3677 uint_t nspares, nl2cache; 3678 pool_scan_stat_t *ps = NULL; 3679 3680 (void) nvlist_lookup_uint64_array(nvroot, 3681 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3682 print_scan_status(ps); 3683 3684 namewidth = max_width(zhp, nvroot, 0, 0); 3685 if (namewidth < 10) 3686 namewidth = 10; 3687 3688 (void) printf(gettext("config:\n\n")); 3689 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3690 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3691 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3692 namewidth, 0, B_FALSE); 3693 3694 if (num_logs(nvroot) > 0) 3695 print_logs(zhp, nvroot, namewidth, B_TRUE); 3696 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3697 &l2cache, &nl2cache) == 0) 3698 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3699 3700 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3701 &spares, &nspares) == 0) 3702 print_spares(zhp, spares, nspares, namewidth); 3703 3704 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3705 &nerr) == 0) { 3706 nvlist_t *nverrlist = NULL; 3707 3708 /* 3709 * If the approximate error count is small, get a 3710 * precise count by fetching the entire log and 3711 * uniquifying the results. 3712 */ 3713 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3714 zpool_get_errlog(zhp, &nverrlist) == 0) { 3715 nvpair_t *elem; 3716 3717 elem = NULL; 3718 nerr = 0; 3719 while ((elem = nvlist_next_nvpair(nverrlist, 3720 elem)) != NULL) { 3721 nerr++; 3722 } 3723 } 3724 nvlist_free(nverrlist); 3725 3726 (void) printf("\n"); 3727 3728 if (nerr == 0) 3729 (void) printf(gettext("errors: No known data " 3730 "errors\n")); 3731 else if (!cbp->cb_verbose) 3732 (void) printf(gettext("errors: %llu data " 3733 "errors, use '-v' for a list\n"), 3734 (u_longlong_t)nerr); 3735 else 3736 print_error_log(zhp); 3737 } 3738 3739 if (cbp->cb_dedup_stats) 3740 print_dedup_stats(config); 3741 } else { 3742 (void) printf(gettext("config: The configuration cannot be " 3743 "determined.\n")); 3744 } 3745 3746 return (0); 3747 } 3748 3749 /* 3750 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3751 * 3752 * -v Display complete error logs 3753 * -x Display only pools with potential problems 3754 * -D Display dedup status (undocumented) 3755 * -T Display a timestamp in date(1) or Unix format 3756 * 3757 * Describes the health status of all pools or some subset. 3758 */ 3759 int 3760 zpool_do_status(int argc, char **argv) 3761 { 3762 int c; 3763 int ret; 3764 unsigned long interval = 0, count = 0; 3765 status_cbdata_t cb = { 0 }; 3766 3767 /* check options */ 3768 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3769 switch (c) { 3770 case 'v': 3771 cb.cb_verbose = B_TRUE; 3772 break; 3773 case 'x': 3774 cb.cb_explain = B_TRUE; 3775 break; 3776 case 'D': 3777 cb.cb_dedup_stats = B_TRUE; 3778 break; 3779 case 'T': 3780 get_timestamp_arg(*optarg); 3781 break; 3782 case '?': 3783 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3784 optopt); 3785 usage(B_FALSE); 3786 } 3787 } 3788 3789 argc -= optind; 3790 argv += optind; 3791 3792 get_interval_count(&argc, argv, &interval, &count); 3793 3794 if (argc == 0) 3795 cb.cb_allpools = B_TRUE; 3796 3797 cb.cb_first = B_TRUE; 3798 3799 for (;;) { 3800 if (timestamp_fmt != NODATE) 3801 print_timestamp(timestamp_fmt); 3802 3803 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3804 status_callback, &cb); 3805 3806 if (argc == 0 && cb.cb_count == 0) 3807 (void) printf(gettext("no pools available\n")); 3808 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3809 (void) printf(gettext("all pools are healthy\n")); 3810 3811 if (ret != 0) 3812 return (ret); 3813 3814 if (interval == 0) 3815 break; 3816 3817 if (count != 0 && --count == 0) 3818 break; 3819 3820 (void) sleep(interval); 3821 } 3822 3823 return (0); 3824 } 3825 3826 typedef struct upgrade_cbdata { 3827 int cb_all; 3828 int cb_first; 3829 int cb_newer; 3830 int cb_argc; 3831 uint64_t cb_version; 3832 char **cb_argv; 3833 } upgrade_cbdata_t; 3834 3835 static int 3836 upgrade_cb(zpool_handle_t *zhp, void *arg) 3837 { 3838 upgrade_cbdata_t *cbp = arg; 3839 nvlist_t *config; 3840 uint64_t version; 3841 int ret = 0; 3842 3843 config = zpool_get_config(zhp, NULL); 3844 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3845 &version) == 0); 3846 3847 if (!cbp->cb_newer && version < SPA_VERSION) { 3848 if (!cbp->cb_all) { 3849 if (cbp->cb_first) { 3850 (void) printf(gettext("The following pools are " 3851 "out of date, and can be upgraded. After " 3852 "being\nupgraded, these pools will no " 3853 "longer be accessible by older software " 3854 "versions.\n\n")); 3855 (void) printf(gettext("VER POOL\n")); 3856 (void) printf(gettext("--- ------------\n")); 3857 cbp->cb_first = B_FALSE; 3858 } 3859 3860 (void) printf("%2llu %s\n", (u_longlong_t)version, 3861 zpool_get_name(zhp)); 3862 } else { 3863 cbp->cb_first = B_FALSE; 3864 ret = zpool_upgrade(zhp, cbp->cb_version); 3865 if (!ret) { 3866 (void) printf(gettext("Successfully upgraded " 3867 "'%s'\n\n"), zpool_get_name(zhp)); 3868 } 3869 } 3870 } else if (cbp->cb_newer && version > SPA_VERSION) { 3871 assert(!cbp->cb_all); 3872 3873 if (cbp->cb_first) { 3874 (void) printf(gettext("The following pools are " 3875 "formatted using a newer software version and\n" 3876 "cannot be accessed on the current system.\n\n")); 3877 (void) printf(gettext("VER POOL\n")); 3878 (void) printf(gettext("--- ------------\n")); 3879 cbp->cb_first = B_FALSE; 3880 } 3881 3882 (void) printf("%2llu %s\n", (u_longlong_t)version, 3883 zpool_get_name(zhp)); 3884 } 3885 3886 zpool_close(zhp); 3887 return (ret); 3888 } 3889 3890 /* ARGSUSED */ 3891 static int 3892 upgrade_one(zpool_handle_t *zhp, void *data) 3893 { 3894 upgrade_cbdata_t *cbp = data; 3895 uint64_t cur_version; 3896 int ret; 3897 3898 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3899 (void) printf(gettext("'log' is now a reserved word\n" 3900 "Pool 'log' must be renamed using export and import" 3901 " to upgrade.\n")); 3902 return (1); 3903 } 3904 3905 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3906 if (cur_version > cbp->cb_version) { 3907 (void) printf(gettext("Pool '%s' is already formatted " 3908 "using more current version '%llu'.\n"), 3909 zpool_get_name(zhp), cur_version); 3910 return (0); 3911 } 3912 if (cur_version == cbp->cb_version) { 3913 (void) printf(gettext("Pool '%s' is already formatted " 3914 "using the current version.\n"), zpool_get_name(zhp)); 3915 return (0); 3916 } 3917 3918 ret = zpool_upgrade(zhp, cbp->cb_version); 3919 3920 if (!ret) { 3921 (void) printf(gettext("Successfully upgraded '%s' " 3922 "from version %llu to version %llu\n\n"), 3923 zpool_get_name(zhp), (u_longlong_t)cur_version, 3924 (u_longlong_t)cbp->cb_version); 3925 } 3926 3927 return (ret != 0); 3928 } 3929 3930 /* 3931 * zpool upgrade 3932 * zpool upgrade -v 3933 * zpool upgrade [-V version] <-a | pool ...> 3934 * 3935 * With no arguments, display downrev'd ZFS pool available for upgrade. 3936 * Individual pools can be upgraded by specifying the pool, and '-a' will 3937 * upgrade all pools. 3938 */ 3939 int 3940 zpool_do_upgrade(int argc, char **argv) 3941 { 3942 int c; 3943 upgrade_cbdata_t cb = { 0 }; 3944 int ret = 0; 3945 boolean_t showversions = B_FALSE; 3946 char *end; 3947 3948 3949 /* check options */ 3950 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3951 switch (c) { 3952 case 'a': 3953 cb.cb_all = B_TRUE; 3954 break; 3955 case 'v': 3956 showversions = B_TRUE; 3957 break; 3958 case 'V': 3959 cb.cb_version = strtoll(optarg, &end, 10); 3960 if (*end != '\0' || cb.cb_version > SPA_VERSION || 3961 cb.cb_version < SPA_VERSION_1) { 3962 (void) fprintf(stderr, 3963 gettext("invalid version '%s'\n"), optarg); 3964 usage(B_FALSE); 3965 } 3966 break; 3967 case ':': 3968 (void) fprintf(stderr, gettext("missing argument for " 3969 "'%c' option\n"), optopt); 3970 usage(B_FALSE); 3971 break; 3972 case '?': 3973 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3974 optopt); 3975 usage(B_FALSE); 3976 } 3977 } 3978 3979 cb.cb_argc = argc; 3980 cb.cb_argv = argv; 3981 argc -= optind; 3982 argv += optind; 3983 3984 if (cb.cb_version == 0) { 3985 cb.cb_version = SPA_VERSION; 3986 } else if (!cb.cb_all && argc == 0) { 3987 (void) fprintf(stderr, gettext("-V option is " 3988 "incompatible with other arguments\n")); 3989 usage(B_FALSE); 3990 } 3991 3992 if (showversions) { 3993 if (cb.cb_all || argc != 0) { 3994 (void) fprintf(stderr, gettext("-v option is " 3995 "incompatible with other arguments\n")); 3996 usage(B_FALSE); 3997 } 3998 } else if (cb.cb_all) { 3999 if (argc != 0) { 4000 (void) fprintf(stderr, gettext("-a option should not " 4001 "be used along with a pool name\n")); 4002 usage(B_FALSE); 4003 } 4004 } 4005 4006 (void) printf(gettext("This system is currently running " 4007 "ZFS pool version %llu.\n\n"), SPA_VERSION); 4008 cb.cb_first = B_TRUE; 4009 if (showversions) { 4010 (void) printf(gettext("The following versions are " 4011 "supported:\n\n")); 4012 (void) printf(gettext("VER DESCRIPTION\n")); 4013 (void) printf("--- -----------------------------------------" 4014 "---------------\n"); 4015 (void) printf(gettext(" 1 Initial ZFS version\n")); 4016 (void) printf(gettext(" 2 Ditto blocks " 4017 "(replicated metadata)\n")); 4018 (void) printf(gettext(" 3 Hot spares and double parity " 4019 "RAID-Z\n")); 4020 (void) printf(gettext(" 4 zpool history\n")); 4021 (void) printf(gettext(" 5 Compression using the gzip " 4022 "algorithm\n")); 4023 (void) printf(gettext(" 6 bootfs pool property\n")); 4024 (void) printf(gettext(" 7 Separate intent log devices\n")); 4025 (void) printf(gettext(" 8 Delegated administration\n")); 4026 (void) printf(gettext(" 9 refquota and refreservation " 4027 "properties\n")); 4028 (void) printf(gettext(" 10 Cache devices\n")); 4029 (void) printf(gettext(" 11 Improved scrub performance\n")); 4030 (void) printf(gettext(" 12 Snapshot properties\n")); 4031 (void) printf(gettext(" 13 snapused property\n")); 4032 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4033 (void) printf(gettext(" 15 user/group space accounting\n")); 4034 (void) printf(gettext(" 16 stmf property support\n")); 4035 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4036 (void) printf(gettext(" 18 Snapshot user holds\n")); 4037 (void) printf(gettext(" 19 Log device removal\n")); 4038 (void) printf(gettext(" 20 Compression using zle " 4039 "(zero-length encoding)\n")); 4040 (void) printf(gettext(" 21 Deduplication\n")); 4041 (void) printf(gettext(" 22 Received properties\n")); 4042 (void) printf(gettext(" 23 Slim ZIL\n")); 4043 (void) printf(gettext(" 24 System attributes\n")); 4044 (void) printf(gettext(" 25 Improved scrub stats\n")); 4045 (void) printf(gettext(" 26 Improved snapshot deletion " 4046 "performance\n")); 4047 (void) printf(gettext(" 27 Improved snapshot creation " 4048 "performance\n")); 4049 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4050 (void) printf(gettext("\nFor more information on a particular " 4051 "version, including supported releases,\n")); 4052 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4053 } else if (argc == 0) { 4054 int notfound; 4055 4056 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4057 notfound = cb.cb_first; 4058 4059 if (!cb.cb_all && ret == 0) { 4060 if (!cb.cb_first) 4061 (void) printf("\n"); 4062 cb.cb_first = B_TRUE; 4063 cb.cb_newer = B_TRUE; 4064 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4065 if (!cb.cb_first) { 4066 notfound = B_FALSE; 4067 (void) printf("\n"); 4068 } 4069 } 4070 4071 if (ret == 0) { 4072 if (notfound) 4073 (void) printf(gettext("All pools are formatted " 4074 "using this version.\n")); 4075 else if (!cb.cb_all) 4076 (void) printf(gettext("Use 'zpool upgrade -v' " 4077 "for a list of available versions and " 4078 "their associated\nfeatures.\n")); 4079 } 4080 } else { 4081 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4082 upgrade_one, &cb); 4083 } 4084 4085 return (ret); 4086 } 4087 4088 typedef struct hist_cbdata { 4089 boolean_t first; 4090 int longfmt; 4091 int internal; 4092 } hist_cbdata_t; 4093 4094 /* 4095 * Print out the command history for a specific pool. 4096 */ 4097 static int 4098 get_history_one(zpool_handle_t *zhp, void *data) 4099 { 4100 nvlist_t *nvhis; 4101 nvlist_t **records; 4102 uint_t numrecords; 4103 char *cmdstr; 4104 char *pathstr; 4105 uint64_t dst_time; 4106 time_t tsec; 4107 struct tm t; 4108 char tbuf[30]; 4109 int ret, i; 4110 uint64_t who; 4111 struct passwd *pwd; 4112 char *hostname; 4113 char *zonename; 4114 char internalstr[MAXPATHLEN]; 4115 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4116 uint64_t txg; 4117 uint64_t ievent; 4118 4119 cb->first = B_FALSE; 4120 4121 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4122 4123 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4124 return (ret); 4125 4126 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4127 &records, &numrecords) == 0); 4128 for (i = 0; i < numrecords; i++) { 4129 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4130 &dst_time) != 0) 4131 continue; 4132 4133 /* is it an internal event or a standard event? */ 4134 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4135 &cmdstr) != 0) { 4136 if (cb->internal == 0) 4137 continue; 4138 4139 if (nvlist_lookup_uint64(records[i], 4140 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4141 continue; 4142 verify(nvlist_lookup_uint64(records[i], 4143 ZPOOL_HIST_TXG, &txg) == 0); 4144 verify(nvlist_lookup_string(records[i], 4145 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4146 if (ievent >= LOG_END) 4147 continue; 4148 (void) snprintf(internalstr, 4149 sizeof (internalstr), 4150 "[internal %s txg:%lld] %s", 4151 zfs_history_event_names[ievent], txg, 4152 pathstr); 4153 cmdstr = internalstr; 4154 } 4155 tsec = dst_time; 4156 (void) localtime_r(&tsec, &t); 4157 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4158 (void) printf("%s %s", tbuf, cmdstr); 4159 4160 if (!cb->longfmt) { 4161 (void) printf("\n"); 4162 continue; 4163 } 4164 (void) printf(" ["); 4165 if (nvlist_lookup_uint64(records[i], 4166 ZPOOL_HIST_WHO, &who) == 0) { 4167 pwd = getpwuid((uid_t)who); 4168 if (pwd) 4169 (void) printf("user %s on", 4170 pwd->pw_name); 4171 else 4172 (void) printf("user %d on", 4173 (int)who); 4174 } else { 4175 (void) printf(gettext("no info]\n")); 4176 continue; 4177 } 4178 if (nvlist_lookup_string(records[i], 4179 ZPOOL_HIST_HOST, &hostname) == 0) { 4180 (void) printf(" %s", hostname); 4181 } 4182 if (nvlist_lookup_string(records[i], 4183 ZPOOL_HIST_ZONE, &zonename) == 0) { 4184 (void) printf(":%s", zonename); 4185 } 4186 4187 (void) printf("]"); 4188 (void) printf("\n"); 4189 } 4190 (void) printf("\n"); 4191 nvlist_free(nvhis); 4192 4193 return (ret); 4194 } 4195 4196 /* 4197 * zpool history <pool> 4198 * 4199 * Displays the history of commands that modified pools. 4200 */ 4201 4202 4203 int 4204 zpool_do_history(int argc, char **argv) 4205 { 4206 hist_cbdata_t cbdata = { 0 }; 4207 int ret; 4208 int c; 4209 4210 cbdata.first = B_TRUE; 4211 /* check options */ 4212 while ((c = getopt(argc, argv, "li")) != -1) { 4213 switch (c) { 4214 case 'l': 4215 cbdata.longfmt = 1; 4216 break; 4217 case 'i': 4218 cbdata.internal = 1; 4219 break; 4220 case '?': 4221 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4222 optopt); 4223 usage(B_FALSE); 4224 } 4225 } 4226 argc -= optind; 4227 argv += optind; 4228 4229 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4230 &cbdata); 4231 4232 if (argc == 0 && cbdata.first == B_TRUE) { 4233 (void) printf(gettext("no pools available\n")); 4234 return (0); 4235 } 4236 4237 return (ret); 4238 } 4239 4240 static int 4241 get_callback(zpool_handle_t *zhp, void *data) 4242 { 4243 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4244 char value[MAXNAMELEN]; 4245 zprop_source_t srctype; 4246 zprop_list_t *pl; 4247 4248 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4249 4250 /* 4251 * Skip the special fake placeholder. This will also skip 4252 * over the name property when 'all' is specified. 4253 */ 4254 if (pl->pl_prop == ZPOOL_PROP_NAME && 4255 pl == cbp->cb_proplist) 4256 continue; 4257 4258 if (zpool_get_prop(zhp, pl->pl_prop, 4259 value, sizeof (value), &srctype) != 0) 4260 continue; 4261 4262 zprop_print_one_property(zpool_get_name(zhp), cbp, 4263 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4264 NULL); 4265 } 4266 return (0); 4267 } 4268 4269 int 4270 zpool_do_get(int argc, char **argv) 4271 { 4272 zprop_get_cbdata_t cb = { 0 }; 4273 zprop_list_t fake_name = { 0 }; 4274 int ret; 4275 4276 if (argc < 3) 4277 usage(B_FALSE); 4278 4279 cb.cb_first = B_TRUE; 4280 cb.cb_sources = ZPROP_SRC_ALL; 4281 cb.cb_columns[0] = GET_COL_NAME; 4282 cb.cb_columns[1] = GET_COL_PROPERTY; 4283 cb.cb_columns[2] = GET_COL_VALUE; 4284 cb.cb_columns[3] = GET_COL_SOURCE; 4285 cb.cb_type = ZFS_TYPE_POOL; 4286 4287 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4288 ZFS_TYPE_POOL) != 0) 4289 usage(B_FALSE); 4290 4291 if (cb.cb_proplist != NULL) { 4292 fake_name.pl_prop = ZPOOL_PROP_NAME; 4293 fake_name.pl_width = strlen(gettext("NAME")); 4294 fake_name.pl_next = cb.cb_proplist; 4295 cb.cb_proplist = &fake_name; 4296 } 4297 4298 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4299 get_callback, &cb); 4300 4301 if (cb.cb_proplist == &fake_name) 4302 zprop_free_list(fake_name.pl_next); 4303 else 4304 zprop_free_list(cb.cb_proplist); 4305 4306 return (ret); 4307 } 4308 4309 typedef struct set_cbdata { 4310 char *cb_propname; 4311 char *cb_value; 4312 boolean_t cb_any_successful; 4313 } set_cbdata_t; 4314 4315 int 4316 set_callback(zpool_handle_t *zhp, void *data) 4317 { 4318 int error; 4319 set_cbdata_t *cb = (set_cbdata_t *)data; 4320 4321 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4322 4323 if (!error) 4324 cb->cb_any_successful = B_TRUE; 4325 4326 return (error); 4327 } 4328 4329 int 4330 zpool_do_set(int argc, char **argv) 4331 { 4332 set_cbdata_t cb = { 0 }; 4333 int error; 4334 4335 if (argc > 1 && argv[1][0] == '-') { 4336 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4337 argv[1][1]); 4338 usage(B_FALSE); 4339 } 4340 4341 if (argc < 2) { 4342 (void) fprintf(stderr, gettext("missing property=value " 4343 "argument\n")); 4344 usage(B_FALSE); 4345 } 4346 4347 if (argc < 3) { 4348 (void) fprintf(stderr, gettext("missing pool name\n")); 4349 usage(B_FALSE); 4350 } 4351 4352 if (argc > 3) { 4353 (void) fprintf(stderr, gettext("too many pool names\n")); 4354 usage(B_FALSE); 4355 } 4356 4357 cb.cb_propname = argv[1]; 4358 cb.cb_value = strchr(cb.cb_propname, '='); 4359 if (cb.cb_value == NULL) { 4360 (void) fprintf(stderr, gettext("missing value in " 4361 "property=value argument\n")); 4362 usage(B_FALSE); 4363 } 4364 4365 *(cb.cb_value) = '\0'; 4366 cb.cb_value++; 4367 4368 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4369 set_callback, &cb); 4370 4371 return (error); 4372 } 4373 4374 static int 4375 find_command_idx(char *command, int *idx) 4376 { 4377 int i; 4378 4379 for (i = 0; i < NCOMMAND; i++) { 4380 if (command_table[i].name == NULL) 4381 continue; 4382 4383 if (strcmp(command, command_table[i].name) == 0) { 4384 *idx = i; 4385 return (0); 4386 } 4387 } 4388 return (1); 4389 } 4390 4391 int 4392 main(int argc, char **argv) 4393 { 4394 int ret; 4395 int i; 4396 char *cmdname; 4397 4398 (void) setlocale(LC_ALL, ""); 4399 (void) textdomain(TEXT_DOMAIN); 4400 4401 if ((g_zfs = libzfs_init()) == NULL) { 4402 (void) fprintf(stderr, gettext("internal error: failed to " 4403 "initialize ZFS library\n")); 4404 return (1); 4405 } 4406 4407 libzfs_print_on_error(g_zfs, B_TRUE); 4408 4409 opterr = 0; 4410 4411 /* 4412 * Make sure the user has specified some command. 4413 */ 4414 if (argc < 2) { 4415 (void) fprintf(stderr, gettext("missing command\n")); 4416 usage(B_FALSE); 4417 } 4418 4419 cmdname = argv[1]; 4420 4421 /* 4422 * Special case '-?' 4423 */ 4424 if (strcmp(cmdname, "-?") == 0) 4425 usage(B_TRUE); 4426 4427 zpool_set_history_str("zpool", argc, argv, history_str); 4428 verify(zpool_stage_history(g_zfs, history_str) == 0); 4429 4430 /* 4431 * Run the appropriate command. 4432 */ 4433 if (find_command_idx(cmdname, &i) == 0) { 4434 current_command = &command_table[i]; 4435 ret = command_table[i].func(argc - 1, argv + 1); 4436 } else if (strchr(cmdname, '=')) { 4437 verify(find_command_idx("set", &i) == 0); 4438 current_command = &command_table[i]; 4439 ret = command_table[i].func(argc, argv); 4440 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4441 /* 4442 * 'freeze' is a vile debugging abomination, so we treat 4443 * it as such. 4444 */ 4445 char buf[16384]; 4446 int fd = open(ZFS_DEV, O_RDWR); 4447 (void) strcpy((void *)buf, argv[2]); 4448 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4449 } else { 4450 (void) fprintf(stderr, gettext("unrecognized " 4451 "command '%s'\n"), cmdname); 4452 usage(B_FALSE); 4453 } 4454 4455 libzfs_fini(g_zfs); 4456 4457 /* 4458 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4459 * for the purposes of running ::findleaks. 4460 */ 4461 if (getenv("ZFS_ABORT") != NULL) { 4462 (void) printf("dumping core by request\n"); 4463 abort(); 4464 } 4465 4466 return (ret); 4467 } 4468