1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25 * Copyright (c) 2011 by Delphix. All rights reserved. 26 */ 27 28 #include <assert.h> 29 #include <ctype.h> 30 #include <dirent.h> 31 #include <errno.h> 32 #include <fcntl.h> 33 #include <libgen.h> 34 #include <libintl.h> 35 #include <libuutil.h> 36 #include <locale.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 #include <strings.h> 41 #include <unistd.h> 42 #include <priv.h> 43 #include <pwd.h> 44 #include <zone.h> 45 #include <sys/fs/zfs.h> 46 #include <sys/stat.h> 47 48 #include <libzfs.h> 49 50 #include "zpool_util.h" 51 #include "zfs_comutil.h" 52 53 #include "statcommon.h" 54 55 static int zpool_do_create(int, char **); 56 static int zpool_do_destroy(int, char **); 57 58 static int zpool_do_add(int, char **); 59 static int zpool_do_remove(int, char **); 60 61 static int zpool_do_list(int, char **); 62 static int zpool_do_iostat(int, char **); 63 static int zpool_do_status(int, char **); 64 65 static int zpool_do_online(int, char **); 66 static int zpool_do_offline(int, char **); 67 static int zpool_do_clear(int, char **); 68 69 static int zpool_do_reguid(int, char **); 70 71 static int zpool_do_attach(int, char **); 72 static int zpool_do_detach(int, char **); 73 static int zpool_do_replace(int, char **); 74 static int zpool_do_split(int, char **); 75 76 static int zpool_do_scrub(int, char **); 77 78 static int zpool_do_import(int, char **); 79 static int zpool_do_export(int, char **); 80 81 static int zpool_do_upgrade(int, char **); 82 83 static int zpool_do_history(int, char **); 84 85 static int zpool_do_get(int, char **); 86 static int zpool_do_set(int, char **); 87 88 /* 89 * These libumem hooks provide a reasonable set of defaults for the allocator's 90 * debugging facilities. 91 */ 92 93 #ifdef DEBUG 94 const char * 95 _umem_debug_init(void) 96 { 97 return ("default,verbose"); /* $UMEM_DEBUG setting */ 98 } 99 100 const char * 101 _umem_logging_init(void) 102 { 103 return ("fail,contents"); /* $UMEM_LOGGING setting */ 104 } 105 #endif 106 107 typedef enum { 108 HELP_ADD, 109 HELP_ATTACH, 110 HELP_CLEAR, 111 HELP_CREATE, 112 HELP_DESTROY, 113 HELP_DETACH, 114 HELP_EXPORT, 115 HELP_HISTORY, 116 HELP_IMPORT, 117 HELP_IOSTAT, 118 HELP_LIST, 119 HELP_OFFLINE, 120 HELP_ONLINE, 121 HELP_REPLACE, 122 HELP_REMOVE, 123 HELP_SCRUB, 124 HELP_STATUS, 125 HELP_UPGRADE, 126 HELP_GET, 127 HELP_SET, 128 HELP_SPLIT, 129 HELP_REGUID 130 } zpool_help_t; 131 132 133 typedef struct zpool_command { 134 const char *name; 135 int (*func)(int, char **); 136 zpool_help_t usage; 137 } zpool_command_t; 138 139 /* 140 * Master command table. Each ZFS command has a name, associated function, and 141 * usage message. The usage messages need to be internationalized, so we have 142 * to have a function to return the usage message based on a command index. 143 * 144 * These commands are organized according to how they are displayed in the usage 145 * message. An empty command (one with a NULL name) indicates an empty line in 146 * the generic usage message. 147 */ 148 static zpool_command_t command_table[] = { 149 { "create", zpool_do_create, HELP_CREATE }, 150 { "destroy", zpool_do_destroy, HELP_DESTROY }, 151 { NULL }, 152 { "add", zpool_do_add, HELP_ADD }, 153 { "remove", zpool_do_remove, HELP_REMOVE }, 154 { NULL }, 155 { "list", zpool_do_list, HELP_LIST }, 156 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 157 { "status", zpool_do_status, HELP_STATUS }, 158 { NULL }, 159 { "online", zpool_do_online, HELP_ONLINE }, 160 { "offline", zpool_do_offline, HELP_OFFLINE }, 161 { "clear", zpool_do_clear, HELP_CLEAR }, 162 { NULL }, 163 { "attach", zpool_do_attach, HELP_ATTACH }, 164 { "detach", zpool_do_detach, HELP_DETACH }, 165 { "replace", zpool_do_replace, HELP_REPLACE }, 166 { "split", zpool_do_split, HELP_SPLIT }, 167 { NULL }, 168 { "scrub", zpool_do_scrub, HELP_SCRUB }, 169 { NULL }, 170 { "import", zpool_do_import, HELP_IMPORT }, 171 { "export", zpool_do_export, HELP_EXPORT }, 172 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 173 { "reguid", zpool_do_reguid, HELP_REGUID }, 174 { NULL }, 175 { "history", zpool_do_history, HELP_HISTORY }, 176 { "get", zpool_do_get, HELP_GET }, 177 { "set", zpool_do_set, HELP_SET }, 178 }; 179 180 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 181 182 zpool_command_t *current_command; 183 static char history_str[HIS_MAX_RECORD_LEN]; 184 185 static uint_t timestamp_fmt = NODATE; 186 187 static const char * 188 get_usage(zpool_help_t idx) { 189 switch (idx) { 190 case HELP_ADD: 191 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 192 case HELP_ATTACH: 193 return (gettext("\tattach [-f] <pool> <device> " 194 "<new-device>\n")); 195 case HELP_CLEAR: 196 return (gettext("\tclear [-nF] <pool> [device]\n")); 197 case HELP_CREATE: 198 return (gettext("\tcreate [-fn] [-o property=value] ... \n" 199 "\t [-O file-system-property=value] ... \n" 200 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 201 case HELP_DESTROY: 202 return (gettext("\tdestroy [-f] <pool>\n")); 203 case HELP_DETACH: 204 return (gettext("\tdetach <pool> <device>\n")); 205 case HELP_EXPORT: 206 return (gettext("\texport [-f] <pool> ...\n")); 207 case HELP_HISTORY: 208 return (gettext("\thistory [-il] [<pool>] ...\n")); 209 case HELP_IMPORT: 210 return (gettext("\timport [-d dir] [-D]\n" 211 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 212 "\timport [-o mntopts] [-o property=value] ... \n" 213 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 214 "[-R root] [-F [-n]] -a\n" 215 "\timport [-o mntopts] [-o property=value] ... \n" 216 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 217 "[-R root] [-F [-n]]\n" 218 "\t <pool | id> [newpool]\n")); 219 case HELP_IOSTAT: 220 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 221 "[count]]\n")); 222 case HELP_LIST: 223 return (gettext("\tlist [-H] [-o property[,...]] " 224 "[-T d|u] [pool] ... [interval [count]]\n")); 225 case HELP_OFFLINE: 226 return (gettext("\toffline [-t] <pool> <device> ...\n")); 227 case HELP_ONLINE: 228 return (gettext("\tonline <pool> <device> ...\n")); 229 case HELP_REPLACE: 230 return (gettext("\treplace [-f] <pool> <device> " 231 "[new-device]\n")); 232 case HELP_REMOVE: 233 return (gettext("\tremove <pool> <device> ...\n")); 234 case HELP_SCRUB: 235 return (gettext("\tscrub [-s] <pool> ...\n")); 236 case HELP_STATUS: 237 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval " 238 "[count]]\n")); 239 case HELP_UPGRADE: 240 return (gettext("\tupgrade\n" 241 "\tupgrade -v\n" 242 "\tupgrade [-V version] <-a | pool ...>\n")); 243 case HELP_GET: 244 return (gettext("\tget <\"all\" | property[,...]> " 245 "<pool> ...\n")); 246 case HELP_SET: 247 return (gettext("\tset <property=value> <pool> \n")); 248 case HELP_SPLIT: 249 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 250 "\t [-o property=value] <pool> <newpool> " 251 "[<device> ...]\n")); 252 case HELP_REGUID: 253 return (gettext("\treguid <pool>\n")); 254 } 255 256 abort(); 257 /* NOTREACHED */ 258 } 259 260 261 /* 262 * Callback routine that will print out a pool property value. 263 */ 264 static int 265 print_prop_cb(int prop, void *cb) 266 { 267 FILE *fp = cb; 268 269 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 270 271 if (zpool_prop_readonly(prop)) 272 (void) fprintf(fp, " NO "); 273 else 274 (void) fprintf(fp, " YES "); 275 276 if (zpool_prop_values(prop) == NULL) 277 (void) fprintf(fp, "-\n"); 278 else 279 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 280 281 return (ZPROP_CONT); 282 } 283 284 /* 285 * Display usage message. If we're inside a command, display only the usage for 286 * that command. Otherwise, iterate over the entire command table and display 287 * a complete usage message. 288 */ 289 void 290 usage(boolean_t requested) 291 { 292 FILE *fp = requested ? stdout : stderr; 293 294 if (current_command == NULL) { 295 int i; 296 297 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 298 (void) fprintf(fp, 299 gettext("where 'command' is one of the following:\n\n")); 300 301 for (i = 0; i < NCOMMAND; i++) { 302 if (command_table[i].name == NULL) 303 (void) fprintf(fp, "\n"); 304 else 305 (void) fprintf(fp, "%s", 306 get_usage(command_table[i].usage)); 307 } 308 } else { 309 (void) fprintf(fp, gettext("usage:\n")); 310 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 311 } 312 313 if (current_command != NULL && 314 ((strcmp(current_command->name, "set") == 0) || 315 (strcmp(current_command->name, "get") == 0) || 316 (strcmp(current_command->name, "list") == 0))) { 317 318 (void) fprintf(fp, 319 gettext("\nthe following properties are supported:\n")); 320 321 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 322 "PROPERTY", "EDIT", "VALUES"); 323 324 /* Iterate over all properties */ 325 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 326 ZFS_TYPE_POOL); 327 } 328 329 /* 330 * See comments at end of main(). 331 */ 332 if (getenv("ZFS_ABORT") != NULL) { 333 (void) printf("dumping core by request\n"); 334 abort(); 335 } 336 337 exit(requested ? 0 : 2); 338 } 339 340 void 341 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 342 boolean_t print_logs) 343 { 344 nvlist_t **child; 345 uint_t c, children; 346 char *vname; 347 348 if (name != NULL) 349 (void) printf("\t%*s%s\n", indent, "", name); 350 351 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 352 &child, &children) != 0) 353 return; 354 355 for (c = 0; c < children; c++) { 356 uint64_t is_log = B_FALSE; 357 358 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 359 &is_log); 360 if ((is_log && !print_logs) || (!is_log && print_logs)) 361 continue; 362 363 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 364 print_vdev_tree(zhp, vname, child[c], indent + 2, 365 B_FALSE); 366 free(vname); 367 } 368 } 369 370 /* 371 * Add a property pair (name, string-value) into a property nvlist. 372 */ 373 static int 374 add_prop_list(const char *propname, char *propval, nvlist_t **props, 375 boolean_t poolprop) 376 { 377 zpool_prop_t prop = ZPROP_INVAL; 378 zfs_prop_t fprop; 379 nvlist_t *proplist; 380 const char *normnm; 381 char *strval; 382 383 if (*props == NULL && 384 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 385 (void) fprintf(stderr, 386 gettext("internal error: out of memory\n")); 387 return (1); 388 } 389 390 proplist = *props; 391 392 if (poolprop) { 393 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 394 (void) fprintf(stderr, gettext("property '%s' is " 395 "not a valid pool property\n"), propname); 396 return (2); 397 } 398 normnm = zpool_prop_to_name(prop); 399 } else { 400 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 401 normnm = zfs_prop_to_name(fprop); 402 } else { 403 normnm = propname; 404 } 405 } 406 407 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 408 prop != ZPOOL_PROP_CACHEFILE) { 409 (void) fprintf(stderr, gettext("property '%s' " 410 "specified multiple times\n"), propname); 411 return (2); 412 } 413 414 if (nvlist_add_string(proplist, normnm, propval) != 0) { 415 (void) fprintf(stderr, gettext("internal " 416 "error: out of memory\n")); 417 return (1); 418 } 419 420 return (0); 421 } 422 423 /* 424 * zpool add [-fn] <pool> <vdev> ... 425 * 426 * -f Force addition of devices, even if they appear in use 427 * -n Do not add the devices, but display the resulting layout if 428 * they were to be added. 429 * 430 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 431 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 432 * libzfs. 433 */ 434 int 435 zpool_do_add(int argc, char **argv) 436 { 437 boolean_t force = B_FALSE; 438 boolean_t dryrun = B_FALSE; 439 int c; 440 nvlist_t *nvroot; 441 char *poolname; 442 int ret; 443 zpool_handle_t *zhp; 444 nvlist_t *config; 445 446 /* check options */ 447 while ((c = getopt(argc, argv, "fn")) != -1) { 448 switch (c) { 449 case 'f': 450 force = B_TRUE; 451 break; 452 case 'n': 453 dryrun = B_TRUE; 454 break; 455 case '?': 456 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 457 optopt); 458 usage(B_FALSE); 459 } 460 } 461 462 argc -= optind; 463 argv += optind; 464 465 /* get pool name and check number of arguments */ 466 if (argc < 1) { 467 (void) fprintf(stderr, gettext("missing pool name argument\n")); 468 usage(B_FALSE); 469 } 470 if (argc < 2) { 471 (void) fprintf(stderr, gettext("missing vdev specification\n")); 472 usage(B_FALSE); 473 } 474 475 poolname = argv[0]; 476 477 argc--; 478 argv++; 479 480 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 481 return (1); 482 483 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 484 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 485 poolname); 486 zpool_close(zhp); 487 return (1); 488 } 489 490 /* pass off to get_vdev_spec for processing */ 491 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 492 argc, argv); 493 if (nvroot == NULL) { 494 zpool_close(zhp); 495 return (1); 496 } 497 498 if (dryrun) { 499 nvlist_t *poolnvroot; 500 501 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 502 &poolnvroot) == 0); 503 504 (void) printf(gettext("would update '%s' to the following " 505 "configuration:\n"), zpool_get_name(zhp)); 506 507 /* print original main pool and new tree */ 508 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 509 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 510 511 /* Do the same for the logs */ 512 if (num_logs(poolnvroot) > 0) { 513 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 514 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 515 } else if (num_logs(nvroot) > 0) { 516 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 517 } 518 519 ret = 0; 520 } else { 521 ret = (zpool_add(zhp, nvroot) != 0); 522 } 523 524 nvlist_free(nvroot); 525 zpool_close(zhp); 526 527 return (ret); 528 } 529 530 /* 531 * zpool remove <pool> <vdev> ... 532 * 533 * Removes the given vdev from the pool. Currently, this supports removing 534 * spares, cache, and log devices from the pool. 535 */ 536 int 537 zpool_do_remove(int argc, char **argv) 538 { 539 char *poolname; 540 int i, ret = 0; 541 zpool_handle_t *zhp; 542 543 argc--; 544 argv++; 545 546 /* get pool name and check number of arguments */ 547 if (argc < 1) { 548 (void) fprintf(stderr, gettext("missing pool name argument\n")); 549 usage(B_FALSE); 550 } 551 if (argc < 2) { 552 (void) fprintf(stderr, gettext("missing device\n")); 553 usage(B_FALSE); 554 } 555 556 poolname = argv[0]; 557 558 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 559 return (1); 560 561 for (i = 1; i < argc; i++) { 562 if (zpool_vdev_remove(zhp, argv[i]) != 0) 563 ret = 1; 564 } 565 566 return (ret); 567 } 568 569 /* 570 * zpool create [-fn] [-o property=value] ... 571 * [-O file-system-property=value] ... 572 * [-R root] [-m mountpoint] <pool> <dev> ... 573 * 574 * -f Force creation, even if devices appear in use 575 * -n Do not create the pool, but display the resulting layout if it 576 * were to be created. 577 * -R Create a pool under an alternate root 578 * -m Set default mountpoint for the root dataset. By default it's 579 * '/<pool>' 580 * -o Set property=value. 581 * -O Set fsproperty=value in the pool's root file system 582 * 583 * Creates the named pool according to the given vdev specification. The 584 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 585 * we get the nvlist back from get_vdev_spec(), we either print out the contents 586 * (if '-n' was specified), or pass it to libzfs to do the creation. 587 */ 588 int 589 zpool_do_create(int argc, char **argv) 590 { 591 boolean_t force = B_FALSE; 592 boolean_t dryrun = B_FALSE; 593 int c; 594 nvlist_t *nvroot = NULL; 595 char *poolname; 596 int ret = 1; 597 char *altroot = NULL; 598 char *mountpoint = NULL; 599 nvlist_t *fsprops = NULL; 600 nvlist_t *props = NULL; 601 char *propval; 602 603 /* check options */ 604 while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) { 605 switch (c) { 606 case 'f': 607 force = B_TRUE; 608 break; 609 case 'n': 610 dryrun = B_TRUE; 611 break; 612 case 'R': 613 altroot = optarg; 614 if (add_prop_list(zpool_prop_to_name( 615 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 616 goto errout; 617 if (nvlist_lookup_string(props, 618 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 619 &propval) == 0) 620 break; 621 if (add_prop_list(zpool_prop_to_name( 622 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 623 goto errout; 624 break; 625 case 'm': 626 mountpoint = optarg; 627 break; 628 case 'o': 629 if ((propval = strchr(optarg, '=')) == NULL) { 630 (void) fprintf(stderr, gettext("missing " 631 "'=' for -o option\n")); 632 goto errout; 633 } 634 *propval = '\0'; 635 propval++; 636 637 if (add_prop_list(optarg, propval, &props, B_TRUE)) 638 goto errout; 639 break; 640 case 'O': 641 if ((propval = strchr(optarg, '=')) == NULL) { 642 (void) fprintf(stderr, gettext("missing " 643 "'=' for -O option\n")); 644 goto errout; 645 } 646 *propval = '\0'; 647 propval++; 648 649 if (add_prop_list(optarg, propval, &fsprops, B_FALSE)) 650 goto errout; 651 break; 652 case ':': 653 (void) fprintf(stderr, gettext("missing argument for " 654 "'%c' option\n"), optopt); 655 goto badusage; 656 case '?': 657 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 658 optopt); 659 goto badusage; 660 } 661 } 662 663 argc -= optind; 664 argv += optind; 665 666 /* get pool name and check number of arguments */ 667 if (argc < 1) { 668 (void) fprintf(stderr, gettext("missing pool name argument\n")); 669 goto badusage; 670 } 671 if (argc < 2) { 672 (void) fprintf(stderr, gettext("missing vdev specification\n")); 673 goto badusage; 674 } 675 676 poolname = argv[0]; 677 678 /* 679 * As a special case, check for use of '/' in the name, and direct the 680 * user to use 'zfs create' instead. 681 */ 682 if (strchr(poolname, '/') != NULL) { 683 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 684 "character '/' in pool name\n"), poolname); 685 (void) fprintf(stderr, gettext("use 'zfs create' to " 686 "create a dataset\n")); 687 goto errout; 688 } 689 690 /* pass off to get_vdev_spec for bulk processing */ 691 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 692 argc - 1, argv + 1); 693 if (nvroot == NULL) 694 goto errout; 695 696 /* make_root_vdev() allows 0 toplevel children if there are spares */ 697 if (!zfs_allocatable_devs(nvroot)) { 698 (void) fprintf(stderr, gettext("invalid vdev " 699 "specification: at least one toplevel vdev must be " 700 "specified\n")); 701 goto errout; 702 } 703 704 705 if (altroot != NULL && altroot[0] != '/') { 706 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 707 "must be an absolute path\n"), altroot); 708 goto errout; 709 } 710 711 /* 712 * Check the validity of the mountpoint and direct the user to use the 713 * '-m' mountpoint option if it looks like its in use. 714 */ 715 if (mountpoint == NULL || 716 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 717 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) { 718 char buf[MAXPATHLEN]; 719 DIR *dirp; 720 721 if (mountpoint && mountpoint[0] != '/') { 722 (void) fprintf(stderr, gettext("invalid mountpoint " 723 "'%s': must be an absolute path, 'legacy', or " 724 "'none'\n"), mountpoint); 725 goto errout; 726 } 727 728 if (mountpoint == NULL) { 729 if (altroot != NULL) 730 (void) snprintf(buf, sizeof (buf), "%s/%s", 731 altroot, poolname); 732 else 733 (void) snprintf(buf, sizeof (buf), "/%s", 734 poolname); 735 } else { 736 if (altroot != NULL) 737 (void) snprintf(buf, sizeof (buf), "%s%s", 738 altroot, mountpoint); 739 else 740 (void) snprintf(buf, sizeof (buf), "%s", 741 mountpoint); 742 } 743 744 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 745 (void) fprintf(stderr, gettext("mountpoint '%s' : " 746 "%s\n"), buf, strerror(errno)); 747 (void) fprintf(stderr, gettext("use '-m' " 748 "option to provide a different default\n")); 749 goto errout; 750 } else if (dirp) { 751 int count = 0; 752 753 while (count < 3 && readdir(dirp) != NULL) 754 count++; 755 (void) closedir(dirp); 756 757 if (count > 2) { 758 (void) fprintf(stderr, gettext("mountpoint " 759 "'%s' exists and is not empty\n"), buf); 760 (void) fprintf(stderr, gettext("use '-m' " 761 "option to provide a " 762 "different default\n")); 763 goto errout; 764 } 765 } 766 } 767 768 if (dryrun) { 769 /* 770 * For a dry run invocation, print out a basic message and run 771 * through all the vdevs in the list and print out in an 772 * appropriate hierarchy. 773 */ 774 (void) printf(gettext("would create '%s' with the " 775 "following layout:\n\n"), poolname); 776 777 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 778 if (num_logs(nvroot) > 0) 779 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 780 781 ret = 0; 782 } else { 783 /* 784 * Hand off to libzfs. 785 */ 786 if (zpool_create(g_zfs, poolname, 787 nvroot, props, fsprops) == 0) { 788 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 789 ZFS_TYPE_FILESYSTEM); 790 if (pool != NULL) { 791 if (mountpoint != NULL) 792 verify(zfs_prop_set(pool, 793 zfs_prop_to_name( 794 ZFS_PROP_MOUNTPOINT), 795 mountpoint) == 0); 796 if (zfs_mount(pool, NULL, 0) == 0) 797 ret = zfs_shareall(pool); 798 zfs_close(pool); 799 } 800 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 801 (void) fprintf(stderr, gettext("pool name may have " 802 "been omitted\n")); 803 } 804 } 805 806 errout: 807 nvlist_free(nvroot); 808 nvlist_free(fsprops); 809 nvlist_free(props); 810 return (ret); 811 badusage: 812 nvlist_free(fsprops); 813 nvlist_free(props); 814 usage(B_FALSE); 815 return (2); 816 } 817 818 /* 819 * zpool destroy <pool> 820 * 821 * -f Forcefully unmount any datasets 822 * 823 * Destroy the given pool. Automatically unmounts any datasets in the pool. 824 */ 825 int 826 zpool_do_destroy(int argc, char **argv) 827 { 828 boolean_t force = B_FALSE; 829 int c; 830 char *pool; 831 zpool_handle_t *zhp; 832 int ret; 833 834 /* check options */ 835 while ((c = getopt(argc, argv, "f")) != -1) { 836 switch (c) { 837 case 'f': 838 force = B_TRUE; 839 break; 840 case '?': 841 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 842 optopt); 843 usage(B_FALSE); 844 } 845 } 846 847 argc -= optind; 848 argv += optind; 849 850 /* check arguments */ 851 if (argc < 1) { 852 (void) fprintf(stderr, gettext("missing pool argument\n")); 853 usage(B_FALSE); 854 } 855 if (argc > 1) { 856 (void) fprintf(stderr, gettext("too many arguments\n")); 857 usage(B_FALSE); 858 } 859 860 pool = argv[0]; 861 862 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 863 /* 864 * As a special case, check for use of '/' in the name, and 865 * direct the user to use 'zfs destroy' instead. 866 */ 867 if (strchr(pool, '/') != NULL) 868 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 869 "destroy a dataset\n")); 870 return (1); 871 } 872 873 if (zpool_disable_datasets(zhp, force) != 0) { 874 (void) fprintf(stderr, gettext("could not destroy '%s': " 875 "could not unmount datasets\n"), zpool_get_name(zhp)); 876 return (1); 877 } 878 879 ret = (zpool_destroy(zhp) != 0); 880 881 zpool_close(zhp); 882 883 return (ret); 884 } 885 886 /* 887 * zpool export [-f] <pool> ... 888 * 889 * -f Forcefully unmount datasets 890 * 891 * Export the given pools. By default, the command will attempt to cleanly 892 * unmount any active datasets within the pool. If the '-f' flag is specified, 893 * then the datasets will be forcefully unmounted. 894 */ 895 int 896 zpool_do_export(int argc, char **argv) 897 { 898 boolean_t force = B_FALSE; 899 boolean_t hardforce = B_FALSE; 900 int c; 901 zpool_handle_t *zhp; 902 int ret; 903 int i; 904 905 /* check options */ 906 while ((c = getopt(argc, argv, "fF")) != -1) { 907 switch (c) { 908 case 'f': 909 force = B_TRUE; 910 break; 911 case 'F': 912 hardforce = B_TRUE; 913 break; 914 case '?': 915 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 916 optopt); 917 usage(B_FALSE); 918 } 919 } 920 921 argc -= optind; 922 argv += optind; 923 924 /* check arguments */ 925 if (argc < 1) { 926 (void) fprintf(stderr, gettext("missing pool argument\n")); 927 usage(B_FALSE); 928 } 929 930 ret = 0; 931 for (i = 0; i < argc; i++) { 932 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 933 ret = 1; 934 continue; 935 } 936 937 if (zpool_disable_datasets(zhp, force) != 0) { 938 ret = 1; 939 zpool_close(zhp); 940 continue; 941 } 942 943 if (hardforce) { 944 if (zpool_export_force(zhp) != 0) 945 ret = 1; 946 } else if (zpool_export(zhp, force) != 0) { 947 ret = 1; 948 } 949 950 zpool_close(zhp); 951 } 952 953 return (ret); 954 } 955 956 /* 957 * Given a vdev configuration, determine the maximum width needed for the device 958 * name column. 959 */ 960 static int 961 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 962 { 963 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 964 nvlist_t **child; 965 uint_t c, children; 966 int ret; 967 968 if (strlen(name) + depth > max) 969 max = strlen(name) + depth; 970 971 free(name); 972 973 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 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_L2CACHE, 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 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 990 &child, &children) == 0) { 991 for (c = 0; c < children; c++) 992 if ((ret = max_width(zhp, child[c], depth + 2, 993 max)) > max) 994 max = ret; 995 } 996 997 998 return (max); 999 } 1000 1001 typedef struct spare_cbdata { 1002 uint64_t cb_guid; 1003 zpool_handle_t *cb_zhp; 1004 } spare_cbdata_t; 1005 1006 static boolean_t 1007 find_vdev(nvlist_t *nv, uint64_t search) 1008 { 1009 uint64_t guid; 1010 nvlist_t **child; 1011 uint_t c, children; 1012 1013 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1014 search == guid) 1015 return (B_TRUE); 1016 1017 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1018 &child, &children) == 0) { 1019 for (c = 0; c < children; c++) 1020 if (find_vdev(child[c], search)) 1021 return (B_TRUE); 1022 } 1023 1024 return (B_FALSE); 1025 } 1026 1027 static int 1028 find_spare(zpool_handle_t *zhp, void *data) 1029 { 1030 spare_cbdata_t *cbp = data; 1031 nvlist_t *config, *nvroot; 1032 1033 config = zpool_get_config(zhp, NULL); 1034 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1035 &nvroot) == 0); 1036 1037 if (find_vdev(nvroot, cbp->cb_guid)) { 1038 cbp->cb_zhp = zhp; 1039 return (1); 1040 } 1041 1042 zpool_close(zhp); 1043 return (0); 1044 } 1045 1046 /* 1047 * Print out configuration state as requested by status_callback. 1048 */ 1049 void 1050 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1051 int namewidth, int depth, boolean_t isspare) 1052 { 1053 nvlist_t **child; 1054 uint_t c, children; 1055 pool_scan_stat_t *ps = NULL; 1056 vdev_stat_t *vs; 1057 char rbuf[6], wbuf[6], cbuf[6]; 1058 char *vname; 1059 uint64_t notpresent; 1060 spare_cbdata_t cb; 1061 char *state; 1062 1063 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1064 &child, &children) != 0) 1065 children = 0; 1066 1067 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1068 (uint64_t **)&vs, &c) == 0); 1069 1070 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1071 if (isspare) { 1072 /* 1073 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1074 * online drives. 1075 */ 1076 if (vs->vs_aux == VDEV_AUX_SPARED) 1077 state = "INUSE"; 1078 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1079 state = "AVAIL"; 1080 } 1081 1082 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1083 name, state); 1084 1085 if (!isspare) { 1086 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1087 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1088 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1089 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1090 } 1091 1092 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1093 ¬present) == 0) { 1094 char *path; 1095 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1096 (void) printf(" was %s", path); 1097 } else if (vs->vs_aux != 0) { 1098 (void) printf(" "); 1099 1100 switch (vs->vs_aux) { 1101 case VDEV_AUX_OPEN_FAILED: 1102 (void) printf(gettext("cannot open")); 1103 break; 1104 1105 case VDEV_AUX_BAD_GUID_SUM: 1106 (void) printf(gettext("missing device")); 1107 break; 1108 1109 case VDEV_AUX_NO_REPLICAS: 1110 (void) printf(gettext("insufficient replicas")); 1111 break; 1112 1113 case VDEV_AUX_VERSION_NEWER: 1114 (void) printf(gettext("newer version")); 1115 break; 1116 1117 case VDEV_AUX_SPARED: 1118 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1119 &cb.cb_guid) == 0); 1120 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1121 if (strcmp(zpool_get_name(cb.cb_zhp), 1122 zpool_get_name(zhp)) == 0) 1123 (void) printf(gettext("currently in " 1124 "use")); 1125 else 1126 (void) printf(gettext("in use by " 1127 "pool '%s'"), 1128 zpool_get_name(cb.cb_zhp)); 1129 zpool_close(cb.cb_zhp); 1130 } else { 1131 (void) printf(gettext("currently in use")); 1132 } 1133 break; 1134 1135 case VDEV_AUX_ERR_EXCEEDED: 1136 (void) printf(gettext("too many errors")); 1137 break; 1138 1139 case VDEV_AUX_IO_FAILURE: 1140 (void) printf(gettext("experienced I/O failures")); 1141 break; 1142 1143 case VDEV_AUX_BAD_LOG: 1144 (void) printf(gettext("bad intent log")); 1145 break; 1146 1147 case VDEV_AUX_EXTERNAL: 1148 (void) printf(gettext("external device fault")); 1149 break; 1150 1151 case VDEV_AUX_SPLIT_POOL: 1152 (void) printf(gettext("split into new pool")); 1153 break; 1154 1155 default: 1156 (void) printf(gettext("corrupted data")); 1157 break; 1158 } 1159 } 1160 1161 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1162 (uint64_t **)&ps, &c); 1163 1164 if (ps && ps->pss_state == DSS_SCANNING && 1165 vs->vs_scan_processed != 0 && children == 0) { 1166 (void) printf(gettext(" (%s)"), 1167 (ps->pss_func == POOL_SCAN_RESILVER) ? 1168 "resilvering" : "repairing"); 1169 } 1170 1171 (void) printf("\n"); 1172 1173 for (c = 0; c < children; c++) { 1174 uint64_t islog = B_FALSE, ishole = B_FALSE; 1175 1176 /* Don't print logs or holes here */ 1177 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1178 &islog); 1179 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1180 &ishole); 1181 if (islog || ishole) 1182 continue; 1183 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1184 print_status_config(zhp, vname, child[c], 1185 namewidth, depth + 2, isspare); 1186 free(vname); 1187 } 1188 } 1189 1190 1191 /* 1192 * Print the configuration of an exported pool. Iterate over all vdevs in the 1193 * pool, printing out the name and status for each one. 1194 */ 1195 void 1196 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1197 { 1198 nvlist_t **child; 1199 uint_t c, children; 1200 vdev_stat_t *vs; 1201 char *type, *vname; 1202 1203 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1204 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1205 strcmp(type, VDEV_TYPE_HOLE) == 0) 1206 return; 1207 1208 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1209 (uint64_t **)&vs, &c) == 0); 1210 1211 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1212 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1213 1214 if (vs->vs_aux != 0) { 1215 (void) printf(" "); 1216 1217 switch (vs->vs_aux) { 1218 case VDEV_AUX_OPEN_FAILED: 1219 (void) printf(gettext("cannot open")); 1220 break; 1221 1222 case VDEV_AUX_BAD_GUID_SUM: 1223 (void) printf(gettext("missing device")); 1224 break; 1225 1226 case VDEV_AUX_NO_REPLICAS: 1227 (void) printf(gettext("insufficient replicas")); 1228 break; 1229 1230 case VDEV_AUX_VERSION_NEWER: 1231 (void) printf(gettext("newer version")); 1232 break; 1233 1234 case VDEV_AUX_ERR_EXCEEDED: 1235 (void) printf(gettext("too many errors")); 1236 break; 1237 1238 default: 1239 (void) printf(gettext("corrupted data")); 1240 break; 1241 } 1242 } 1243 (void) printf("\n"); 1244 1245 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1246 &child, &children) != 0) 1247 return; 1248 1249 for (c = 0; c < children; c++) { 1250 uint64_t is_log = B_FALSE; 1251 1252 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1253 &is_log); 1254 if (is_log) 1255 continue; 1256 1257 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1258 print_import_config(vname, child[c], namewidth, depth + 2); 1259 free(vname); 1260 } 1261 1262 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1263 &child, &children) == 0) { 1264 (void) printf(gettext("\tcache\n")); 1265 for (c = 0; c < children; c++) { 1266 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1267 (void) printf("\t %s\n", vname); 1268 free(vname); 1269 } 1270 } 1271 1272 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1273 &child, &children) == 0) { 1274 (void) printf(gettext("\tspares\n")); 1275 for (c = 0; c < children; c++) { 1276 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1277 (void) printf("\t %s\n", vname); 1278 free(vname); 1279 } 1280 } 1281 } 1282 1283 /* 1284 * Print log vdevs. 1285 * Logs are recorded as top level vdevs in the main pool child array 1286 * but with "is_log" set to 1. We use either print_status_config() or 1287 * print_import_config() to print the top level logs then any log 1288 * children (eg mirrored slogs) are printed recursively - which 1289 * works because only the top level vdev is marked "is_log" 1290 */ 1291 static void 1292 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1293 { 1294 uint_t c, children; 1295 nvlist_t **child; 1296 1297 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1298 &children) != 0) 1299 return; 1300 1301 (void) printf(gettext("\tlogs\n")); 1302 1303 for (c = 0; c < children; c++) { 1304 uint64_t is_log = B_FALSE; 1305 char *name; 1306 1307 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1308 &is_log); 1309 if (!is_log) 1310 continue; 1311 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1312 if (verbose) 1313 print_status_config(zhp, name, child[c], namewidth, 1314 2, B_FALSE); 1315 else 1316 print_import_config(name, child[c], namewidth, 2); 1317 free(name); 1318 } 1319 } 1320 1321 /* 1322 * Display the status for the given pool. 1323 */ 1324 static void 1325 show_import(nvlist_t *config) 1326 { 1327 uint64_t pool_state; 1328 vdev_stat_t *vs; 1329 char *name; 1330 uint64_t guid; 1331 char *msgid; 1332 nvlist_t *nvroot; 1333 int reason; 1334 const char *health; 1335 uint_t vsc; 1336 int namewidth; 1337 char *comment; 1338 1339 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1340 &name) == 0); 1341 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1342 &guid) == 0); 1343 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1344 &pool_state) == 0); 1345 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1346 &nvroot) == 0); 1347 1348 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1349 (uint64_t **)&vs, &vsc) == 0); 1350 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1351 1352 reason = zpool_import_status(config, &msgid); 1353 1354 (void) printf(gettext(" pool: %s\n"), name); 1355 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1356 (void) printf(gettext(" state: %s"), health); 1357 if (pool_state == POOL_STATE_DESTROYED) 1358 (void) printf(gettext(" (DESTROYED)")); 1359 (void) printf("\n"); 1360 1361 switch (reason) { 1362 case ZPOOL_STATUS_MISSING_DEV_R: 1363 case ZPOOL_STATUS_MISSING_DEV_NR: 1364 case ZPOOL_STATUS_BAD_GUID_SUM: 1365 (void) printf(gettext(" status: One or more devices are " 1366 "missing from the system.\n")); 1367 break; 1368 1369 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1370 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1371 (void) printf(gettext(" status: One or more devices contains " 1372 "corrupted data.\n")); 1373 break; 1374 1375 case ZPOOL_STATUS_CORRUPT_DATA: 1376 (void) printf( 1377 gettext(" status: The pool data is corrupted.\n")); 1378 break; 1379 1380 case ZPOOL_STATUS_OFFLINE_DEV: 1381 (void) printf(gettext(" status: One or more devices " 1382 "are offlined.\n")); 1383 break; 1384 1385 case ZPOOL_STATUS_CORRUPT_POOL: 1386 (void) printf(gettext(" status: The pool metadata is " 1387 "corrupted.\n")); 1388 break; 1389 1390 case ZPOOL_STATUS_VERSION_OLDER: 1391 (void) printf(gettext(" status: The pool is formatted using an " 1392 "older on-disk version.\n")); 1393 break; 1394 1395 case ZPOOL_STATUS_VERSION_NEWER: 1396 (void) printf(gettext(" status: The pool is formatted using an " 1397 "incompatible version.\n")); 1398 break; 1399 1400 case ZPOOL_STATUS_HOSTID_MISMATCH: 1401 (void) printf(gettext(" status: The pool was last accessed by " 1402 "another system.\n")); 1403 break; 1404 1405 case ZPOOL_STATUS_FAULTED_DEV_R: 1406 case ZPOOL_STATUS_FAULTED_DEV_NR: 1407 (void) printf(gettext(" status: One or more devices are " 1408 "faulted.\n")); 1409 break; 1410 1411 case ZPOOL_STATUS_BAD_LOG: 1412 (void) printf(gettext(" status: An intent log record cannot be " 1413 "read.\n")); 1414 break; 1415 1416 case ZPOOL_STATUS_RESILVERING: 1417 (void) printf(gettext(" status: One or more devices were being " 1418 "resilvered.\n")); 1419 break; 1420 1421 default: 1422 /* 1423 * No other status can be seen when importing pools. 1424 */ 1425 assert(reason == ZPOOL_STATUS_OK); 1426 } 1427 1428 /* 1429 * Print out an action according to the overall state of the pool. 1430 */ 1431 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1432 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1433 (void) printf(gettext(" action: The pool can be " 1434 "imported using its name or numeric identifier, " 1435 "though\n\tsome features will not be available " 1436 "without an explicit 'zpool upgrade'.\n")); 1437 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1438 (void) printf(gettext(" action: The pool can be " 1439 "imported using its name or numeric " 1440 "identifier and\n\tthe '-f' flag.\n")); 1441 else 1442 (void) printf(gettext(" action: The pool can be " 1443 "imported using its name or numeric " 1444 "identifier.\n")); 1445 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1446 (void) printf(gettext(" action: The pool can be imported " 1447 "despite missing or damaged devices. The\n\tfault " 1448 "tolerance of the pool may be compromised if imported.\n")); 1449 } else { 1450 switch (reason) { 1451 case ZPOOL_STATUS_VERSION_NEWER: 1452 (void) printf(gettext(" action: The pool cannot be " 1453 "imported. Access the pool on a system running " 1454 "newer\n\tsoftware, or recreate the pool from " 1455 "backup.\n")); 1456 break; 1457 case ZPOOL_STATUS_MISSING_DEV_R: 1458 case ZPOOL_STATUS_MISSING_DEV_NR: 1459 case ZPOOL_STATUS_BAD_GUID_SUM: 1460 (void) printf(gettext(" action: The pool cannot be " 1461 "imported. Attach the missing\n\tdevices and try " 1462 "again.\n")); 1463 break; 1464 default: 1465 (void) printf(gettext(" action: The pool cannot be " 1466 "imported due to damaged devices or data.\n")); 1467 } 1468 } 1469 1470 /* Print the comment attached to the pool. */ 1471 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0) 1472 (void) printf(gettext("comment: %s\n"), comment); 1473 1474 /* 1475 * If the state is "closed" or "can't open", and the aux state 1476 * is "corrupt data": 1477 */ 1478 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1479 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1480 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1481 if (pool_state == POOL_STATE_DESTROYED) 1482 (void) printf(gettext("\tThe pool was destroyed, " 1483 "but can be imported using the '-Df' flags.\n")); 1484 else if (pool_state != POOL_STATE_EXPORTED) 1485 (void) printf(gettext("\tThe pool may be active on " 1486 "another system, but can be imported using\n\t" 1487 "the '-f' flag.\n")); 1488 } 1489 1490 if (msgid != NULL) 1491 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1492 msgid); 1493 1494 (void) printf(gettext(" config:\n\n")); 1495 1496 namewidth = max_width(NULL, nvroot, 0, 0); 1497 if (namewidth < 10) 1498 namewidth = 10; 1499 1500 print_import_config(name, nvroot, namewidth, 0); 1501 if (num_logs(nvroot) > 0) 1502 print_logs(NULL, nvroot, namewidth, B_FALSE); 1503 1504 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1505 (void) printf(gettext("\n\tAdditional devices are known to " 1506 "be part of this pool, though their\n\texact " 1507 "configuration cannot be determined.\n")); 1508 } 1509 } 1510 1511 /* 1512 * Perform the import for the given configuration. This passes the heavy 1513 * lifting off to zpool_import_props(), and then mounts the datasets contained 1514 * within the pool. 1515 */ 1516 static int 1517 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1518 nvlist_t *props, int flags) 1519 { 1520 zpool_handle_t *zhp; 1521 char *name; 1522 uint64_t state; 1523 uint64_t version; 1524 1525 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1526 &name) == 0); 1527 1528 verify(nvlist_lookup_uint64(config, 1529 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1530 verify(nvlist_lookup_uint64(config, 1531 ZPOOL_CONFIG_VERSION, &version) == 0); 1532 if (version > SPA_VERSION) { 1533 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1534 "is formatted using a newer ZFS version\n"), name); 1535 return (1); 1536 } else if (state != POOL_STATE_EXPORTED && 1537 !(flags & ZFS_IMPORT_ANY_HOST)) { 1538 uint64_t hostid; 1539 1540 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1541 &hostid) == 0) { 1542 if ((unsigned long)hostid != gethostid()) { 1543 char *hostname; 1544 uint64_t timestamp; 1545 time_t t; 1546 1547 verify(nvlist_lookup_string(config, 1548 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1549 verify(nvlist_lookup_uint64(config, 1550 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1551 t = timestamp; 1552 (void) fprintf(stderr, gettext("cannot import " 1553 "'%s': pool may be in use from other " 1554 "system, it was last accessed by %s " 1555 "(hostid: 0x%lx) on %s"), name, hostname, 1556 (unsigned long)hostid, 1557 asctime(localtime(&t))); 1558 (void) fprintf(stderr, gettext("use '-f' to " 1559 "import anyway\n")); 1560 return (1); 1561 } 1562 } else { 1563 (void) fprintf(stderr, gettext("cannot import '%s': " 1564 "pool may be in use from other system\n"), name); 1565 (void) fprintf(stderr, gettext("use '-f' to import " 1566 "anyway\n")); 1567 return (1); 1568 } 1569 } 1570 1571 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1572 return (1); 1573 1574 if (newname != NULL) 1575 name = (char *)newname; 1576 1577 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1578 return (1); 1579 1580 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1581 !(flags & ZFS_IMPORT_ONLY) && 1582 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1583 zpool_close(zhp); 1584 return (1); 1585 } 1586 1587 zpool_close(zhp); 1588 return (0); 1589 } 1590 1591 /* 1592 * zpool import [-d dir] [-D] 1593 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1594 * [-d dir | -c cachefile] [-f] -a 1595 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1596 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1597 * 1598 * -c Read pool information from a cachefile instead of searching 1599 * devices. 1600 * 1601 * -d Scan in a specific directory, other than /dev/dsk. More than 1602 * one directory can be specified using multiple '-d' options. 1603 * 1604 * -D Scan for previously destroyed pools or import all or only 1605 * specified destroyed pools. 1606 * 1607 * -R Temporarily import the pool, with all mountpoints relative to 1608 * the given root. The pool will remain exported when the machine 1609 * is rebooted. 1610 * 1611 * -V Import even in the presence of faulted vdevs. This is an 1612 * intentionally undocumented option for testing purposes, and 1613 * treats the pool configuration as complete, leaving any bad 1614 * vdevs in the FAULTED state. In other words, it does verbatim 1615 * import. 1616 * 1617 * -f Force import, even if it appears that the pool is active. 1618 * 1619 * -F Attempt rewind if necessary. 1620 * 1621 * -n See if rewind would work, but don't actually rewind. 1622 * 1623 * -N Import the pool but don't mount datasets. 1624 * 1625 * -T Specify a starting txg to use for import. This option is 1626 * intentionally undocumented option for testing purposes. 1627 * 1628 * -a Import all pools found. 1629 * 1630 * -o Set property=value and/or temporary mount options (without '='). 1631 * 1632 * The import command scans for pools to import, and import pools based on pool 1633 * name and GUID. The pool can also be renamed as part of the import process. 1634 */ 1635 int 1636 zpool_do_import(int argc, char **argv) 1637 { 1638 char **searchdirs = NULL; 1639 int nsearch = 0; 1640 int c; 1641 int err = 0; 1642 nvlist_t *pools = NULL; 1643 boolean_t do_all = B_FALSE; 1644 boolean_t do_destroyed = B_FALSE; 1645 char *mntopts = NULL; 1646 nvpair_t *elem; 1647 nvlist_t *config; 1648 uint64_t searchguid = 0; 1649 char *searchname = NULL; 1650 char *propval; 1651 nvlist_t *found_config; 1652 nvlist_t *policy = NULL; 1653 nvlist_t *props = NULL; 1654 boolean_t first; 1655 int flags = ZFS_IMPORT_NORMAL; 1656 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1657 boolean_t dryrun = B_FALSE; 1658 boolean_t do_rewind = B_FALSE; 1659 boolean_t xtreme_rewind = B_FALSE; 1660 uint64_t pool_state, txg = -1ULL; 1661 char *cachefile = NULL; 1662 importargs_t idata = { 0 }; 1663 char *endptr; 1664 1665 /* check options */ 1666 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) { 1667 switch (c) { 1668 case 'a': 1669 do_all = B_TRUE; 1670 break; 1671 case 'c': 1672 cachefile = optarg; 1673 break; 1674 case 'd': 1675 if (searchdirs == NULL) { 1676 searchdirs = safe_malloc(sizeof (char *)); 1677 } else { 1678 char **tmp = safe_malloc((nsearch + 1) * 1679 sizeof (char *)); 1680 bcopy(searchdirs, tmp, nsearch * 1681 sizeof (char *)); 1682 free(searchdirs); 1683 searchdirs = tmp; 1684 } 1685 searchdirs[nsearch++] = optarg; 1686 break; 1687 case 'D': 1688 do_destroyed = B_TRUE; 1689 break; 1690 case 'f': 1691 flags |= ZFS_IMPORT_ANY_HOST; 1692 break; 1693 case 'F': 1694 do_rewind = B_TRUE; 1695 break; 1696 case 'm': 1697 flags |= ZFS_IMPORT_MISSING_LOG; 1698 break; 1699 case 'n': 1700 dryrun = B_TRUE; 1701 break; 1702 case 'N': 1703 flags |= ZFS_IMPORT_ONLY; 1704 break; 1705 case 'o': 1706 if ((propval = strchr(optarg, '=')) != NULL) { 1707 *propval = '\0'; 1708 propval++; 1709 if (add_prop_list(optarg, propval, 1710 &props, B_TRUE)) 1711 goto error; 1712 } else { 1713 mntopts = optarg; 1714 } 1715 break; 1716 case 'R': 1717 if (add_prop_list(zpool_prop_to_name( 1718 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1719 goto error; 1720 if (nvlist_lookup_string(props, 1721 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1722 &propval) == 0) 1723 break; 1724 if (add_prop_list(zpool_prop_to_name( 1725 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1726 goto error; 1727 break; 1728 case 'T': 1729 errno = 0; 1730 txg = strtoull(optarg, &endptr, 10); 1731 if (errno != 0 || *endptr != '\0') { 1732 (void) fprintf(stderr, 1733 gettext("invalid txg value\n")); 1734 usage(B_FALSE); 1735 } 1736 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 1737 break; 1738 case 'V': 1739 flags |= ZFS_IMPORT_VERBATIM; 1740 break; 1741 case 'X': 1742 xtreme_rewind = B_TRUE; 1743 break; 1744 case ':': 1745 (void) fprintf(stderr, gettext("missing argument for " 1746 "'%c' option\n"), optopt); 1747 usage(B_FALSE); 1748 break; 1749 case '?': 1750 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1751 optopt); 1752 usage(B_FALSE); 1753 } 1754 } 1755 1756 argc -= optind; 1757 argv += optind; 1758 1759 if (cachefile && nsearch != 0) { 1760 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1761 usage(B_FALSE); 1762 } 1763 1764 if ((dryrun || xtreme_rewind) && !do_rewind) { 1765 (void) fprintf(stderr, 1766 gettext("-n or -X only meaningful with -F\n")); 1767 usage(B_FALSE); 1768 } 1769 if (dryrun) 1770 rewind_policy = ZPOOL_TRY_REWIND; 1771 else if (do_rewind) 1772 rewind_policy = ZPOOL_DO_REWIND; 1773 if (xtreme_rewind) 1774 rewind_policy |= ZPOOL_EXTREME_REWIND; 1775 1776 /* In the future, we can capture further policy and include it here */ 1777 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1778 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 1779 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1780 goto error; 1781 1782 if (searchdirs == NULL) { 1783 searchdirs = safe_malloc(sizeof (char *)); 1784 searchdirs[0] = "/dev/dsk"; 1785 nsearch = 1; 1786 } 1787 1788 /* check argument count */ 1789 if (do_all) { 1790 if (argc != 0) { 1791 (void) fprintf(stderr, gettext("too many arguments\n")); 1792 usage(B_FALSE); 1793 } 1794 } else { 1795 if (argc > 2) { 1796 (void) fprintf(stderr, gettext("too many arguments\n")); 1797 usage(B_FALSE); 1798 } 1799 1800 /* 1801 * Check for the SYS_CONFIG privilege. We do this explicitly 1802 * here because otherwise any attempt to discover pools will 1803 * silently fail. 1804 */ 1805 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1806 (void) fprintf(stderr, gettext("cannot " 1807 "discover pools: permission denied\n")); 1808 free(searchdirs); 1809 nvlist_free(policy); 1810 return (1); 1811 } 1812 } 1813 1814 /* 1815 * Depending on the arguments given, we do one of the following: 1816 * 1817 * <none> Iterate through all pools and display information about 1818 * each one. 1819 * 1820 * -a Iterate through all pools and try to import each one. 1821 * 1822 * <id> Find the pool that corresponds to the given GUID/pool 1823 * name and import that one. 1824 * 1825 * -D Above options applies only to destroyed pools. 1826 */ 1827 if (argc != 0) { 1828 char *endptr; 1829 1830 errno = 0; 1831 searchguid = strtoull(argv[0], &endptr, 10); 1832 if (errno != 0 || *endptr != '\0') 1833 searchname = argv[0]; 1834 found_config = NULL; 1835 1836 /* 1837 * User specified a name or guid. Ensure it's unique. 1838 */ 1839 idata.unique = B_TRUE; 1840 } 1841 1842 1843 idata.path = searchdirs; 1844 idata.paths = nsearch; 1845 idata.poolname = searchname; 1846 idata.guid = searchguid; 1847 idata.cachefile = cachefile; 1848 1849 pools = zpool_search_import(g_zfs, &idata); 1850 1851 if (pools != NULL && idata.exists && 1852 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1853 (void) fprintf(stderr, gettext("cannot import '%s': " 1854 "a pool with that name already exists\n"), 1855 argv[0]); 1856 (void) fprintf(stderr, gettext("use the form '%s " 1857 "<pool | id> <newpool>' to give it a new name\n"), 1858 "zpool import"); 1859 err = 1; 1860 } else if (pools == NULL && idata.exists) { 1861 (void) fprintf(stderr, gettext("cannot import '%s': " 1862 "a pool with that name is already created/imported,\n"), 1863 argv[0]); 1864 (void) fprintf(stderr, gettext("and no additional pools " 1865 "with that name were found\n")); 1866 err = 1; 1867 } else if (pools == NULL) { 1868 if (argc != 0) { 1869 (void) fprintf(stderr, gettext("cannot import '%s': " 1870 "no such pool available\n"), argv[0]); 1871 } 1872 err = 1; 1873 } 1874 1875 if (err == 1) { 1876 free(searchdirs); 1877 nvlist_free(policy); 1878 return (1); 1879 } 1880 1881 /* 1882 * At this point we have a list of import candidate configs. Even if 1883 * we were searching by pool name or guid, we still need to 1884 * post-process the list to deal with pool state and possible 1885 * duplicate names. 1886 */ 1887 err = 0; 1888 elem = NULL; 1889 first = B_TRUE; 1890 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1891 1892 verify(nvpair_value_nvlist(elem, &config) == 0); 1893 1894 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1895 &pool_state) == 0); 1896 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1897 continue; 1898 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1899 continue; 1900 1901 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1902 policy) == 0); 1903 1904 if (argc == 0) { 1905 if (first) 1906 first = B_FALSE; 1907 else if (!do_all) 1908 (void) printf("\n"); 1909 1910 if (do_all) { 1911 err |= do_import(config, NULL, mntopts, 1912 props, flags); 1913 } else { 1914 show_import(config); 1915 } 1916 } else if (searchname != NULL) { 1917 char *name; 1918 1919 /* 1920 * We are searching for a pool based on name. 1921 */ 1922 verify(nvlist_lookup_string(config, 1923 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1924 1925 if (strcmp(name, searchname) == 0) { 1926 if (found_config != NULL) { 1927 (void) fprintf(stderr, gettext( 1928 "cannot import '%s': more than " 1929 "one matching pool\n"), searchname); 1930 (void) fprintf(stderr, gettext( 1931 "import by numeric ID instead\n")); 1932 err = B_TRUE; 1933 } 1934 found_config = config; 1935 } 1936 } else { 1937 uint64_t guid; 1938 1939 /* 1940 * Search for a pool by guid. 1941 */ 1942 verify(nvlist_lookup_uint64(config, 1943 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1944 1945 if (guid == searchguid) 1946 found_config = config; 1947 } 1948 } 1949 1950 /* 1951 * If we were searching for a specific pool, verify that we found a 1952 * pool, and then do the import. 1953 */ 1954 if (argc != 0 && err == 0) { 1955 if (found_config == NULL) { 1956 (void) fprintf(stderr, gettext("cannot import '%s': " 1957 "no such pool available\n"), argv[0]); 1958 err = B_TRUE; 1959 } else { 1960 err |= do_import(found_config, argc == 1 ? NULL : 1961 argv[1], mntopts, props, flags); 1962 } 1963 } 1964 1965 /* 1966 * If we were just looking for pools, report an error if none were 1967 * found. 1968 */ 1969 if (argc == 0 && first) 1970 (void) fprintf(stderr, 1971 gettext("no pools available to import\n")); 1972 1973 error: 1974 nvlist_free(props); 1975 nvlist_free(pools); 1976 nvlist_free(policy); 1977 free(searchdirs); 1978 1979 return (err ? 1 : 0); 1980 } 1981 1982 typedef struct iostat_cbdata { 1983 zpool_list_t *cb_list; 1984 int cb_verbose; 1985 int cb_iteration; 1986 int cb_namewidth; 1987 } iostat_cbdata_t; 1988 1989 static void 1990 print_iostat_separator(iostat_cbdata_t *cb) 1991 { 1992 int i = 0; 1993 1994 for (i = 0; i < cb->cb_namewidth; i++) 1995 (void) printf("-"); 1996 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1997 } 1998 1999 static void 2000 print_iostat_header(iostat_cbdata_t *cb) 2001 { 2002 (void) printf("%*s capacity operations bandwidth\n", 2003 cb->cb_namewidth, ""); 2004 (void) printf("%-*s alloc free read write read write\n", 2005 cb->cb_namewidth, "pool"); 2006 print_iostat_separator(cb); 2007 } 2008 2009 /* 2010 * Display a single statistic. 2011 */ 2012 static void 2013 print_one_stat(uint64_t value) 2014 { 2015 char buf[64]; 2016 2017 zfs_nicenum(value, buf, sizeof (buf)); 2018 (void) printf(" %5s", buf); 2019 } 2020 2021 /* 2022 * Print out all the statistics for the given vdev. This can either be the 2023 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2024 * is a verbose output, and we don't want to display the toplevel pool stats. 2025 */ 2026 void 2027 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2028 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2029 { 2030 nvlist_t **oldchild, **newchild; 2031 uint_t c, children; 2032 vdev_stat_t *oldvs, *newvs; 2033 vdev_stat_t zerovs = { 0 }; 2034 uint64_t tdelta; 2035 double scale; 2036 char *vname; 2037 2038 if (oldnv != NULL) { 2039 verify(nvlist_lookup_uint64_array(oldnv, 2040 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2041 } else { 2042 oldvs = &zerovs; 2043 } 2044 2045 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2046 (uint64_t **)&newvs, &c) == 0); 2047 2048 if (strlen(name) + depth > cb->cb_namewidth) 2049 (void) printf("%*s%s", depth, "", name); 2050 else 2051 (void) printf("%*s%s%*s", depth, "", name, 2052 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2053 2054 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2055 2056 if (tdelta == 0) 2057 scale = 1.0; 2058 else 2059 scale = (double)NANOSEC / tdelta; 2060 2061 /* only toplevel vdevs have capacity stats */ 2062 if (newvs->vs_space == 0) { 2063 (void) printf(" - -"); 2064 } else { 2065 print_one_stat(newvs->vs_alloc); 2066 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2067 } 2068 2069 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2070 oldvs->vs_ops[ZIO_TYPE_READ]))); 2071 2072 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2073 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2074 2075 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2076 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2077 2078 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2079 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2080 2081 (void) printf("\n"); 2082 2083 if (!cb->cb_verbose) 2084 return; 2085 2086 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2087 &newchild, &children) != 0) 2088 return; 2089 2090 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2091 &oldchild, &c) != 0) 2092 return; 2093 2094 for (c = 0; c < children; c++) { 2095 uint64_t ishole = B_FALSE, islog = B_FALSE; 2096 2097 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE, 2098 &ishole); 2099 2100 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG, 2101 &islog); 2102 2103 if (ishole || islog) 2104 continue; 2105 2106 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2107 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2108 newchild[c], cb, depth + 2); 2109 free(vname); 2110 } 2111 2112 /* 2113 * Log device section 2114 */ 2115 2116 if (num_logs(newnv) > 0) { 2117 (void) printf("%-*s - - - - - " 2118 "-\n", cb->cb_namewidth, "logs"); 2119 2120 for (c = 0; c < children; c++) { 2121 uint64_t islog = B_FALSE; 2122 (void) nvlist_lookup_uint64(newchild[c], 2123 ZPOOL_CONFIG_IS_LOG, &islog); 2124 2125 if (islog) { 2126 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2127 B_FALSE); 2128 print_vdev_stats(zhp, vname, oldnv ? 2129 oldchild[c] : NULL, newchild[c], 2130 cb, depth + 2); 2131 free(vname); 2132 } 2133 } 2134 2135 } 2136 2137 /* 2138 * Include level 2 ARC devices in iostat output 2139 */ 2140 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2141 &newchild, &children) != 0) 2142 return; 2143 2144 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2145 &oldchild, &c) != 0) 2146 return; 2147 2148 if (children > 0) { 2149 (void) printf("%-*s - - - - - " 2150 "-\n", cb->cb_namewidth, "cache"); 2151 for (c = 0; c < children; c++) { 2152 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2153 B_FALSE); 2154 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2155 newchild[c], cb, depth + 2); 2156 free(vname); 2157 } 2158 } 2159 } 2160 2161 static int 2162 refresh_iostat(zpool_handle_t *zhp, void *data) 2163 { 2164 iostat_cbdata_t *cb = data; 2165 boolean_t missing; 2166 2167 /* 2168 * If the pool has disappeared, remove it from the list and continue. 2169 */ 2170 if (zpool_refresh_stats(zhp, &missing) != 0) 2171 return (-1); 2172 2173 if (missing) 2174 pool_list_remove(cb->cb_list, zhp); 2175 2176 return (0); 2177 } 2178 2179 /* 2180 * Callback to print out the iostats for the given pool. 2181 */ 2182 int 2183 print_iostat(zpool_handle_t *zhp, void *data) 2184 { 2185 iostat_cbdata_t *cb = data; 2186 nvlist_t *oldconfig, *newconfig; 2187 nvlist_t *oldnvroot, *newnvroot; 2188 2189 newconfig = zpool_get_config(zhp, &oldconfig); 2190 2191 if (cb->cb_iteration == 1) 2192 oldconfig = NULL; 2193 2194 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2195 &newnvroot) == 0); 2196 2197 if (oldconfig == NULL) 2198 oldnvroot = NULL; 2199 else 2200 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2201 &oldnvroot) == 0); 2202 2203 /* 2204 * Print out the statistics for the pool. 2205 */ 2206 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2207 2208 if (cb->cb_verbose) 2209 print_iostat_separator(cb); 2210 2211 return (0); 2212 } 2213 2214 int 2215 get_namewidth(zpool_handle_t *zhp, void *data) 2216 { 2217 iostat_cbdata_t *cb = data; 2218 nvlist_t *config, *nvroot; 2219 2220 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2221 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2222 &nvroot) == 0); 2223 if (!cb->cb_verbose) 2224 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2225 else 2226 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2227 } 2228 2229 /* 2230 * The width must fall into the range [10,38]. The upper limit is the 2231 * maximum we can have and still fit in 80 columns. 2232 */ 2233 if (cb->cb_namewidth < 10) 2234 cb->cb_namewidth = 10; 2235 if (cb->cb_namewidth > 38) 2236 cb->cb_namewidth = 38; 2237 2238 return (0); 2239 } 2240 2241 /* 2242 * Parse the input string, get the 'interval' and 'count' value if there is one. 2243 */ 2244 static void 2245 get_interval_count(int *argcp, char **argv, unsigned long *iv, 2246 unsigned long *cnt) 2247 { 2248 unsigned long interval = 0, count = 0; 2249 int argc = *argcp, errno; 2250 2251 /* 2252 * Determine if the last argument is an integer or a pool name 2253 */ 2254 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2255 char *end; 2256 2257 errno = 0; 2258 interval = strtoul(argv[argc - 1], &end, 10); 2259 2260 if (*end == '\0' && errno == 0) { 2261 if (interval == 0) { 2262 (void) fprintf(stderr, gettext("interval " 2263 "cannot be zero\n")); 2264 usage(B_FALSE); 2265 } 2266 /* 2267 * Ignore the last parameter 2268 */ 2269 argc--; 2270 } else { 2271 /* 2272 * If this is not a valid number, just plow on. The 2273 * user will get a more informative error message later 2274 * on. 2275 */ 2276 interval = 0; 2277 } 2278 } 2279 2280 /* 2281 * If the last argument is also an integer, then we have both a count 2282 * and an interval. 2283 */ 2284 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2285 char *end; 2286 2287 errno = 0; 2288 count = interval; 2289 interval = strtoul(argv[argc - 1], &end, 10); 2290 2291 if (*end == '\0' && errno == 0) { 2292 if (interval == 0) { 2293 (void) fprintf(stderr, gettext("interval " 2294 "cannot be zero\n")); 2295 usage(B_FALSE); 2296 } 2297 2298 /* 2299 * Ignore the last parameter 2300 */ 2301 argc--; 2302 } else { 2303 interval = 0; 2304 } 2305 } 2306 2307 *iv = interval; 2308 *cnt = count; 2309 *argcp = argc; 2310 } 2311 2312 static void 2313 get_timestamp_arg(char c) 2314 { 2315 if (c == 'u') 2316 timestamp_fmt = UDATE; 2317 else if (c == 'd') 2318 timestamp_fmt = DDATE; 2319 else 2320 usage(B_FALSE); 2321 } 2322 2323 /* 2324 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2325 * 2326 * -v Display statistics for individual vdevs 2327 * -T Display a timestamp in date(1) or Unix format 2328 * 2329 * This command can be tricky because we want to be able to deal with pool 2330 * creation/destruction as well as vdev configuration changes. The bulk of this 2331 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2332 * on pool_list_update() to detect the addition of new pools. Configuration 2333 * changes are all handled within libzfs. 2334 */ 2335 int 2336 zpool_do_iostat(int argc, char **argv) 2337 { 2338 int c; 2339 int ret; 2340 int npools; 2341 unsigned long interval = 0, count = 0; 2342 zpool_list_t *list; 2343 boolean_t verbose = B_FALSE; 2344 iostat_cbdata_t cb; 2345 2346 /* check options */ 2347 while ((c = getopt(argc, argv, "T:v")) != -1) { 2348 switch (c) { 2349 case 'T': 2350 get_timestamp_arg(*optarg); 2351 break; 2352 case 'v': 2353 verbose = B_TRUE; 2354 break; 2355 case '?': 2356 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2357 optopt); 2358 usage(B_FALSE); 2359 } 2360 } 2361 2362 argc -= optind; 2363 argv += optind; 2364 2365 get_interval_count(&argc, argv, &interval, &count); 2366 2367 /* 2368 * Construct the list of all interesting pools. 2369 */ 2370 ret = 0; 2371 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2372 return (1); 2373 2374 if (pool_list_count(list) == 0 && argc != 0) { 2375 pool_list_free(list); 2376 return (1); 2377 } 2378 2379 if (pool_list_count(list) == 0 && interval == 0) { 2380 pool_list_free(list); 2381 (void) fprintf(stderr, gettext("no pools available\n")); 2382 return (1); 2383 } 2384 2385 /* 2386 * Enter the main iostat loop. 2387 */ 2388 cb.cb_list = list; 2389 cb.cb_verbose = verbose; 2390 cb.cb_iteration = 0; 2391 cb.cb_namewidth = 0; 2392 2393 for (;;) { 2394 pool_list_update(list); 2395 2396 if ((npools = pool_list_count(list)) == 0) 2397 break; 2398 2399 /* 2400 * Refresh all statistics. This is done as an explicit step 2401 * before calculating the maximum name width, so that any 2402 * configuration changes are properly accounted for. 2403 */ 2404 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2405 2406 /* 2407 * Iterate over all pools to determine the maximum width 2408 * for the pool / device name column across all pools. 2409 */ 2410 cb.cb_namewidth = 0; 2411 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2412 2413 if (timestamp_fmt != NODATE) 2414 print_timestamp(timestamp_fmt); 2415 2416 /* 2417 * If it's the first time, or verbose mode, print the header. 2418 */ 2419 if (++cb.cb_iteration == 1 || verbose) 2420 print_iostat_header(&cb); 2421 2422 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2423 2424 /* 2425 * If there's more than one pool, and we're not in verbose mode 2426 * (which prints a separator for us), then print a separator. 2427 */ 2428 if (npools > 1 && !verbose) 2429 print_iostat_separator(&cb); 2430 2431 if (verbose) 2432 (void) printf("\n"); 2433 2434 /* 2435 * Flush the output so that redirection to a file isn't buffered 2436 * indefinitely. 2437 */ 2438 (void) fflush(stdout); 2439 2440 if (interval == 0) 2441 break; 2442 2443 if (count != 0 && --count == 0) 2444 break; 2445 2446 (void) sleep(interval); 2447 } 2448 2449 pool_list_free(list); 2450 2451 return (ret); 2452 } 2453 2454 typedef struct list_cbdata { 2455 boolean_t cb_scripted; 2456 boolean_t cb_first; 2457 zprop_list_t *cb_proplist; 2458 } list_cbdata_t; 2459 2460 /* 2461 * Given a list of columns to display, output appropriate headers for each one. 2462 */ 2463 static void 2464 print_header(zprop_list_t *pl) 2465 { 2466 const char *header; 2467 boolean_t first = B_TRUE; 2468 boolean_t right_justify; 2469 2470 for (; pl != NULL; pl = pl->pl_next) { 2471 if (pl->pl_prop == ZPROP_INVAL) 2472 continue; 2473 2474 if (!first) 2475 (void) printf(" "); 2476 else 2477 first = B_FALSE; 2478 2479 header = zpool_prop_column_name(pl->pl_prop); 2480 right_justify = zpool_prop_align_right(pl->pl_prop); 2481 2482 if (pl->pl_next == NULL && !right_justify) 2483 (void) printf("%s", header); 2484 else if (right_justify) 2485 (void) printf("%*s", pl->pl_width, header); 2486 else 2487 (void) printf("%-*s", pl->pl_width, header); 2488 } 2489 2490 (void) printf("\n"); 2491 } 2492 2493 /* 2494 * Given a pool and a list of properties, print out all the properties according 2495 * to the described layout. 2496 */ 2497 static void 2498 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2499 { 2500 boolean_t first = B_TRUE; 2501 char property[ZPOOL_MAXPROPLEN]; 2502 char *propstr; 2503 boolean_t right_justify; 2504 int width; 2505 2506 for (; pl != NULL; pl = pl->pl_next) { 2507 if (!first) { 2508 if (scripted) 2509 (void) printf("\t"); 2510 else 2511 (void) printf(" "); 2512 } else { 2513 first = B_FALSE; 2514 } 2515 2516 right_justify = B_FALSE; 2517 if (pl->pl_prop != ZPROP_INVAL) { 2518 if (zpool_get_prop(zhp, pl->pl_prop, property, 2519 sizeof (property), NULL) != 0) 2520 propstr = "-"; 2521 else 2522 propstr = property; 2523 2524 right_justify = zpool_prop_align_right(pl->pl_prop); 2525 } else { 2526 propstr = "-"; 2527 } 2528 2529 width = pl->pl_width; 2530 2531 /* 2532 * If this is being called in scripted mode, or if this is the 2533 * last column and it is left-justified, don't include a width 2534 * format specifier. 2535 */ 2536 if (scripted || (pl->pl_next == NULL && !right_justify)) 2537 (void) printf("%s", propstr); 2538 else if (right_justify) 2539 (void) printf("%*s", width, propstr); 2540 else 2541 (void) printf("%-*s", width, propstr); 2542 } 2543 2544 (void) printf("\n"); 2545 } 2546 2547 /* 2548 * Generic callback function to list a pool. 2549 */ 2550 int 2551 list_callback(zpool_handle_t *zhp, void *data) 2552 { 2553 list_cbdata_t *cbp = data; 2554 2555 if (cbp->cb_first) { 2556 if (!cbp->cb_scripted) 2557 print_header(cbp->cb_proplist); 2558 cbp->cb_first = B_FALSE; 2559 } 2560 2561 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2562 2563 return (0); 2564 } 2565 2566 /* 2567 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2568 * 2569 * -H Scripted mode. Don't display headers, and separate properties 2570 * by a single tab. 2571 * -o List of properties to display. Defaults to 2572 * "name,size,allocated,free,capacity,health,altroot" 2573 * -T Display a timestamp in date(1) or Unix format 2574 * 2575 * List all pools in the system, whether or not they're healthy. Output space 2576 * statistics for each one, as well as health status summary. 2577 */ 2578 int 2579 zpool_do_list(int argc, char **argv) 2580 { 2581 int c; 2582 int ret; 2583 list_cbdata_t cb = { 0 }; 2584 static char default_props[] = 2585 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2586 char *props = default_props; 2587 unsigned long interval = 0, count = 0; 2588 2589 /* check options */ 2590 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2591 switch (c) { 2592 case 'H': 2593 cb.cb_scripted = B_TRUE; 2594 break; 2595 case 'o': 2596 props = optarg; 2597 break; 2598 case 'T': 2599 get_timestamp_arg(*optarg); 2600 break; 2601 case ':': 2602 (void) fprintf(stderr, gettext("missing argument for " 2603 "'%c' option\n"), optopt); 2604 usage(B_FALSE); 2605 break; 2606 case '?': 2607 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2608 optopt); 2609 usage(B_FALSE); 2610 } 2611 } 2612 2613 argc -= optind; 2614 argv += optind; 2615 2616 get_interval_count(&argc, argv, &interval, &count); 2617 2618 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2619 usage(B_FALSE); 2620 2621 cb.cb_first = B_TRUE; 2622 2623 for (;;) { 2624 2625 if (timestamp_fmt != NODATE) 2626 print_timestamp(timestamp_fmt); 2627 2628 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2629 list_callback, &cb); 2630 2631 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2632 (void) printf(gettext("no pools available\n")); 2633 zprop_free_list(cb.cb_proplist); 2634 return (0); 2635 } 2636 2637 if (interval == 0) 2638 break; 2639 2640 if (count != 0 && --count == 0) 2641 break; 2642 2643 (void) sleep(interval); 2644 } 2645 2646 zprop_free_list(cb.cb_proplist); 2647 return (ret); 2648 } 2649 2650 static nvlist_t * 2651 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2652 { 2653 nvlist_t **child; 2654 uint_t c, children; 2655 nvlist_t *match; 2656 char *path; 2657 2658 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2659 &child, &children) != 0) { 2660 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2661 if (strncmp(name, "/dev/dsk/", 9) == 0) 2662 name += 9; 2663 if (strncmp(path, "/dev/dsk/", 9) == 0) 2664 path += 9; 2665 if (strcmp(name, path) == 0) 2666 return (nv); 2667 return (NULL); 2668 } 2669 2670 for (c = 0; c < children; c++) 2671 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2672 return (match); 2673 2674 return (NULL); 2675 } 2676 2677 static int 2678 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2679 { 2680 boolean_t force = B_FALSE; 2681 int c; 2682 nvlist_t *nvroot; 2683 char *poolname, *old_disk, *new_disk; 2684 zpool_handle_t *zhp; 2685 int ret; 2686 2687 /* check options */ 2688 while ((c = getopt(argc, argv, "f")) != -1) { 2689 switch (c) { 2690 case 'f': 2691 force = B_TRUE; 2692 break; 2693 case '?': 2694 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2695 optopt); 2696 usage(B_FALSE); 2697 } 2698 } 2699 2700 argc -= optind; 2701 argv += optind; 2702 2703 /* get pool name and check number of arguments */ 2704 if (argc < 1) { 2705 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2706 usage(B_FALSE); 2707 } 2708 2709 poolname = argv[0]; 2710 2711 if (argc < 2) { 2712 (void) fprintf(stderr, 2713 gettext("missing <device> specification\n")); 2714 usage(B_FALSE); 2715 } 2716 2717 old_disk = argv[1]; 2718 2719 if (argc < 3) { 2720 if (!replacing) { 2721 (void) fprintf(stderr, 2722 gettext("missing <new_device> specification\n")); 2723 usage(B_FALSE); 2724 } 2725 new_disk = old_disk; 2726 argc -= 1; 2727 argv += 1; 2728 } else { 2729 new_disk = argv[2]; 2730 argc -= 2; 2731 argv += 2; 2732 } 2733 2734 if (argc > 1) { 2735 (void) fprintf(stderr, gettext("too many arguments\n")); 2736 usage(B_FALSE); 2737 } 2738 2739 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2740 return (1); 2741 2742 if (zpool_get_config(zhp, NULL) == NULL) { 2743 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2744 poolname); 2745 zpool_close(zhp); 2746 return (1); 2747 } 2748 2749 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2750 argc, argv); 2751 if (nvroot == NULL) { 2752 zpool_close(zhp); 2753 return (1); 2754 } 2755 2756 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2757 2758 nvlist_free(nvroot); 2759 zpool_close(zhp); 2760 2761 return (ret); 2762 } 2763 2764 /* 2765 * zpool replace [-f] <pool> <device> <new_device> 2766 * 2767 * -f Force attach, even if <new_device> appears to be in use. 2768 * 2769 * Replace <device> with <new_device>. 2770 */ 2771 /* ARGSUSED */ 2772 int 2773 zpool_do_replace(int argc, char **argv) 2774 { 2775 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2776 } 2777 2778 /* 2779 * zpool attach [-f] <pool> <device> <new_device> 2780 * 2781 * -f Force attach, even if <new_device> appears to be in use. 2782 * 2783 * Attach <new_device> to the mirror containing <device>. If <device> is not 2784 * part of a mirror, then <device> will be transformed into a mirror of 2785 * <device> and <new_device>. In either case, <new_device> will begin life 2786 * with a DTL of [0, now], and will immediately begin to resilver itself. 2787 */ 2788 int 2789 zpool_do_attach(int argc, char **argv) 2790 { 2791 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2792 } 2793 2794 /* 2795 * zpool detach [-f] <pool> <device> 2796 * 2797 * -f Force detach of <device>, even if DTLs argue against it 2798 * (not supported yet) 2799 * 2800 * Detach a device from a mirror. The operation will be refused if <device> 2801 * is the last device in the mirror, or if the DTLs indicate that this device 2802 * has the only valid copy of some data. 2803 */ 2804 /* ARGSUSED */ 2805 int 2806 zpool_do_detach(int argc, char **argv) 2807 { 2808 int c; 2809 char *poolname, *path; 2810 zpool_handle_t *zhp; 2811 int ret; 2812 2813 /* check options */ 2814 while ((c = getopt(argc, argv, "f")) != -1) { 2815 switch (c) { 2816 case 'f': 2817 case '?': 2818 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2819 optopt); 2820 usage(B_FALSE); 2821 } 2822 } 2823 2824 argc -= optind; 2825 argv += optind; 2826 2827 /* get pool name and check number of arguments */ 2828 if (argc < 1) { 2829 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2830 usage(B_FALSE); 2831 } 2832 2833 if (argc < 2) { 2834 (void) fprintf(stderr, 2835 gettext("missing <device> specification\n")); 2836 usage(B_FALSE); 2837 } 2838 2839 poolname = argv[0]; 2840 path = argv[1]; 2841 2842 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2843 return (1); 2844 2845 ret = zpool_vdev_detach(zhp, path); 2846 2847 zpool_close(zhp); 2848 2849 return (ret); 2850 } 2851 2852 /* 2853 * zpool split [-n] [-o prop=val] ... 2854 * [-o mntopt] ... 2855 * [-R altroot] <pool> <newpool> [<device> ...] 2856 * 2857 * -n Do not split the pool, but display the resulting layout if 2858 * it were to be split. 2859 * -o Set property=value, or set mount options. 2860 * -R Mount the split-off pool under an alternate root. 2861 * 2862 * Splits the named pool and gives it the new pool name. Devices to be split 2863 * off may be listed, provided that no more than one device is specified 2864 * per top-level vdev mirror. The newly split pool is left in an exported 2865 * state unless -R is specified. 2866 * 2867 * Restrictions: the top-level of the pool pool must only be made up of 2868 * mirrors; all devices in the pool must be healthy; no device may be 2869 * undergoing a resilvering operation. 2870 */ 2871 int 2872 zpool_do_split(int argc, char **argv) 2873 { 2874 char *srcpool, *newpool, *propval; 2875 char *mntopts = NULL; 2876 splitflags_t flags; 2877 int c, ret = 0; 2878 zpool_handle_t *zhp; 2879 nvlist_t *config, *props = NULL; 2880 2881 flags.dryrun = B_FALSE; 2882 flags.import = B_FALSE; 2883 2884 /* check options */ 2885 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2886 switch (c) { 2887 case 'R': 2888 flags.import = B_TRUE; 2889 if (add_prop_list( 2890 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2891 &props, B_TRUE) != 0) { 2892 if (props) 2893 nvlist_free(props); 2894 usage(B_FALSE); 2895 } 2896 break; 2897 case 'n': 2898 flags.dryrun = B_TRUE; 2899 break; 2900 case 'o': 2901 if ((propval = strchr(optarg, '=')) != NULL) { 2902 *propval = '\0'; 2903 propval++; 2904 if (add_prop_list(optarg, propval, 2905 &props, B_TRUE) != 0) { 2906 if (props) 2907 nvlist_free(props); 2908 usage(B_FALSE); 2909 } 2910 } else { 2911 mntopts = optarg; 2912 } 2913 break; 2914 case ':': 2915 (void) fprintf(stderr, gettext("missing argument for " 2916 "'%c' option\n"), optopt); 2917 usage(B_FALSE); 2918 break; 2919 case '?': 2920 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2921 optopt); 2922 usage(B_FALSE); 2923 break; 2924 } 2925 } 2926 2927 if (!flags.import && mntopts != NULL) { 2928 (void) fprintf(stderr, gettext("setting mntopts is only " 2929 "valid when importing the pool\n")); 2930 usage(B_FALSE); 2931 } 2932 2933 argc -= optind; 2934 argv += optind; 2935 2936 if (argc < 1) { 2937 (void) fprintf(stderr, gettext("Missing pool name\n")); 2938 usage(B_FALSE); 2939 } 2940 if (argc < 2) { 2941 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2942 usage(B_FALSE); 2943 } 2944 2945 srcpool = argv[0]; 2946 newpool = argv[1]; 2947 2948 argc -= 2; 2949 argv += 2; 2950 2951 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2952 return (1); 2953 2954 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2955 if (config == NULL) { 2956 ret = 1; 2957 } else { 2958 if (flags.dryrun) { 2959 (void) printf(gettext("would create '%s' with the " 2960 "following layout:\n\n"), newpool); 2961 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2962 } 2963 nvlist_free(config); 2964 } 2965 2966 zpool_close(zhp); 2967 2968 if (ret != 0 || flags.dryrun || !flags.import) 2969 return (ret); 2970 2971 /* 2972 * The split was successful. Now we need to open the new 2973 * pool and import it. 2974 */ 2975 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2976 return (1); 2977 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2978 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2979 ret = 1; 2980 (void) fprintf(stderr, gettext("Split was succssful, but " 2981 "the datasets could not all be mounted\n")); 2982 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2983 "different altroot\n"), "zpool import"); 2984 } 2985 zpool_close(zhp); 2986 2987 return (ret); 2988 } 2989 2990 2991 2992 /* 2993 * zpool online <pool> <device> ... 2994 */ 2995 int 2996 zpool_do_online(int argc, char **argv) 2997 { 2998 int c, i; 2999 char *poolname; 3000 zpool_handle_t *zhp; 3001 int ret = 0; 3002 vdev_state_t newstate; 3003 int flags = 0; 3004 3005 /* check options */ 3006 while ((c = getopt(argc, argv, "et")) != -1) { 3007 switch (c) { 3008 case 'e': 3009 flags |= ZFS_ONLINE_EXPAND; 3010 break; 3011 case 't': 3012 case '?': 3013 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3014 optopt); 3015 usage(B_FALSE); 3016 } 3017 } 3018 3019 argc -= optind; 3020 argv += optind; 3021 3022 /* get pool name and check number of arguments */ 3023 if (argc < 1) { 3024 (void) fprintf(stderr, gettext("missing pool name\n")); 3025 usage(B_FALSE); 3026 } 3027 if (argc < 2) { 3028 (void) fprintf(stderr, gettext("missing device name\n")); 3029 usage(B_FALSE); 3030 } 3031 3032 poolname = argv[0]; 3033 3034 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3035 return (1); 3036 3037 for (i = 1; i < argc; i++) { 3038 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3039 if (newstate != VDEV_STATE_HEALTHY) { 3040 (void) printf(gettext("warning: device '%s' " 3041 "onlined, but remains in faulted state\n"), 3042 argv[i]); 3043 if (newstate == VDEV_STATE_FAULTED) 3044 (void) printf(gettext("use 'zpool " 3045 "clear' to restore a faulted " 3046 "device\n")); 3047 else 3048 (void) printf(gettext("use 'zpool " 3049 "replace' to replace devices " 3050 "that are no longer present\n")); 3051 } 3052 } else { 3053 ret = 1; 3054 } 3055 } 3056 3057 zpool_close(zhp); 3058 3059 return (ret); 3060 } 3061 3062 /* 3063 * zpool offline [-ft] <pool> <device> ... 3064 * 3065 * -f Force the device into the offline state, even if doing 3066 * so would appear to compromise pool availability. 3067 * (not supported yet) 3068 * 3069 * -t Only take the device off-line temporarily. The offline 3070 * state will not be persistent across reboots. 3071 */ 3072 /* ARGSUSED */ 3073 int 3074 zpool_do_offline(int argc, char **argv) 3075 { 3076 int c, i; 3077 char *poolname; 3078 zpool_handle_t *zhp; 3079 int ret = 0; 3080 boolean_t istmp = B_FALSE; 3081 3082 /* check options */ 3083 while ((c = getopt(argc, argv, "ft")) != -1) { 3084 switch (c) { 3085 case 't': 3086 istmp = B_TRUE; 3087 break; 3088 case 'f': 3089 case '?': 3090 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3091 optopt); 3092 usage(B_FALSE); 3093 } 3094 } 3095 3096 argc -= optind; 3097 argv += optind; 3098 3099 /* get pool name and check number of arguments */ 3100 if (argc < 1) { 3101 (void) fprintf(stderr, gettext("missing pool name\n")); 3102 usage(B_FALSE); 3103 } 3104 if (argc < 2) { 3105 (void) fprintf(stderr, gettext("missing device name\n")); 3106 usage(B_FALSE); 3107 } 3108 3109 poolname = argv[0]; 3110 3111 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3112 return (1); 3113 3114 for (i = 1; i < argc; i++) { 3115 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3116 ret = 1; 3117 } 3118 3119 zpool_close(zhp); 3120 3121 return (ret); 3122 } 3123 3124 /* 3125 * zpool clear <pool> [device] 3126 * 3127 * Clear all errors associated with a pool or a particular device. 3128 */ 3129 int 3130 zpool_do_clear(int argc, char **argv) 3131 { 3132 int c; 3133 int ret = 0; 3134 boolean_t dryrun = B_FALSE; 3135 boolean_t do_rewind = B_FALSE; 3136 boolean_t xtreme_rewind = B_FALSE; 3137 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3138 nvlist_t *policy = NULL; 3139 zpool_handle_t *zhp; 3140 char *pool, *device; 3141 3142 /* check options */ 3143 while ((c = getopt(argc, argv, "FnX")) != -1) { 3144 switch (c) { 3145 case 'F': 3146 do_rewind = B_TRUE; 3147 break; 3148 case 'n': 3149 dryrun = B_TRUE; 3150 break; 3151 case 'X': 3152 xtreme_rewind = B_TRUE; 3153 break; 3154 case '?': 3155 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3156 optopt); 3157 usage(B_FALSE); 3158 } 3159 } 3160 3161 argc -= optind; 3162 argv += optind; 3163 3164 if (argc < 1) { 3165 (void) fprintf(stderr, gettext("missing pool name\n")); 3166 usage(B_FALSE); 3167 } 3168 3169 if (argc > 2) { 3170 (void) fprintf(stderr, gettext("too many arguments\n")); 3171 usage(B_FALSE); 3172 } 3173 3174 if ((dryrun || xtreme_rewind) && !do_rewind) { 3175 (void) fprintf(stderr, 3176 gettext("-n or -X only meaningful with -F\n")); 3177 usage(B_FALSE); 3178 } 3179 if (dryrun) 3180 rewind_policy = ZPOOL_TRY_REWIND; 3181 else if (do_rewind) 3182 rewind_policy = ZPOOL_DO_REWIND; 3183 if (xtreme_rewind) 3184 rewind_policy |= ZPOOL_EXTREME_REWIND; 3185 3186 /* In future, further rewind policy choices can be passed along here */ 3187 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3188 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3189 return (1); 3190 3191 pool = argv[0]; 3192 device = argc == 2 ? argv[1] : NULL; 3193 3194 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3195 nvlist_free(policy); 3196 return (1); 3197 } 3198 3199 if (zpool_clear(zhp, device, policy) != 0) 3200 ret = 1; 3201 3202 zpool_close(zhp); 3203 3204 nvlist_free(policy); 3205 3206 return (ret); 3207 } 3208 3209 /* 3210 * zpool reguid <pool> 3211 */ 3212 int 3213 zpool_do_reguid(int argc, char **argv) 3214 { 3215 int c; 3216 char *poolname; 3217 zpool_handle_t *zhp; 3218 int ret = 0; 3219 3220 /* check options */ 3221 while ((c = getopt(argc, argv, "")) != -1) { 3222 switch (c) { 3223 case '?': 3224 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3225 optopt); 3226 usage(B_FALSE); 3227 } 3228 } 3229 3230 argc -= optind; 3231 argv += optind; 3232 3233 /* get pool name and check number of arguments */ 3234 if (argc < 1) { 3235 (void) fprintf(stderr, gettext("missing pool name\n")); 3236 usage(B_FALSE); 3237 } 3238 3239 if (argc > 1) { 3240 (void) fprintf(stderr, gettext("too many arguments\n")); 3241 usage(B_FALSE); 3242 } 3243 3244 poolname = argv[0]; 3245 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3246 return (1); 3247 3248 ret = zpool_reguid(zhp); 3249 3250 zpool_close(zhp); 3251 return (ret); 3252 } 3253 3254 3255 typedef struct scrub_cbdata { 3256 int cb_type; 3257 int cb_argc; 3258 char **cb_argv; 3259 } scrub_cbdata_t; 3260 3261 int 3262 scrub_callback(zpool_handle_t *zhp, void *data) 3263 { 3264 scrub_cbdata_t *cb = data; 3265 int err; 3266 3267 /* 3268 * Ignore faulted pools. 3269 */ 3270 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3271 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3272 "currently unavailable\n"), zpool_get_name(zhp)); 3273 return (1); 3274 } 3275 3276 err = zpool_scan(zhp, cb->cb_type); 3277 3278 return (err != 0); 3279 } 3280 3281 /* 3282 * zpool scrub [-s] <pool> ... 3283 * 3284 * -s Stop. Stops any in-progress scrub. 3285 */ 3286 int 3287 zpool_do_scrub(int argc, char **argv) 3288 { 3289 int c; 3290 scrub_cbdata_t cb; 3291 3292 cb.cb_type = POOL_SCAN_SCRUB; 3293 3294 /* check options */ 3295 while ((c = getopt(argc, argv, "s")) != -1) { 3296 switch (c) { 3297 case 's': 3298 cb.cb_type = POOL_SCAN_NONE; 3299 break; 3300 case '?': 3301 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3302 optopt); 3303 usage(B_FALSE); 3304 } 3305 } 3306 3307 cb.cb_argc = argc; 3308 cb.cb_argv = argv; 3309 argc -= optind; 3310 argv += optind; 3311 3312 if (argc < 1) { 3313 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3314 usage(B_FALSE); 3315 } 3316 3317 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3318 } 3319 3320 typedef struct status_cbdata { 3321 int cb_count; 3322 boolean_t cb_allpools; 3323 boolean_t cb_verbose; 3324 boolean_t cb_explain; 3325 boolean_t cb_first; 3326 boolean_t cb_dedup_stats; 3327 } status_cbdata_t; 3328 3329 /* 3330 * Print out detailed scrub status. 3331 */ 3332 void 3333 print_scan_status(pool_scan_stat_t *ps) 3334 { 3335 time_t start, end; 3336 uint64_t elapsed, mins_left, hours_left; 3337 uint64_t pass_exam, examined, total; 3338 uint_t rate; 3339 double fraction_done; 3340 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3341 3342 (void) printf(gettext(" scan: ")); 3343 3344 /* If there's never been a scan, there's not much to say. */ 3345 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3346 ps->pss_func >= POOL_SCAN_FUNCS) { 3347 (void) printf(gettext("none requested\n")); 3348 return; 3349 } 3350 3351 start = ps->pss_start_time; 3352 end = ps->pss_end_time; 3353 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3354 3355 assert(ps->pss_func == POOL_SCAN_SCRUB || 3356 ps->pss_func == POOL_SCAN_RESILVER); 3357 /* 3358 * Scan is finished or canceled. 3359 */ 3360 if (ps->pss_state == DSS_FINISHED) { 3361 uint64_t minutes_taken = (end - start) / 60; 3362 char *fmt; 3363 3364 if (ps->pss_func == POOL_SCAN_SCRUB) { 3365 fmt = gettext("scrub repaired %s in %lluh%um with " 3366 "%llu errors on %s"); 3367 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3368 fmt = gettext("resilvered %s in %lluh%um with " 3369 "%llu errors on %s"); 3370 } 3371 /* LINTED */ 3372 (void) printf(fmt, processed_buf, 3373 (u_longlong_t)(minutes_taken / 60), 3374 (uint_t)(minutes_taken % 60), 3375 (u_longlong_t)ps->pss_errors, 3376 ctime((time_t *)&end)); 3377 return; 3378 } else if (ps->pss_state == DSS_CANCELED) { 3379 if (ps->pss_func == POOL_SCAN_SCRUB) { 3380 (void) printf(gettext("scrub canceled on %s"), 3381 ctime(&end)); 3382 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3383 (void) printf(gettext("resilver canceled on %s"), 3384 ctime(&end)); 3385 } 3386 return; 3387 } 3388 3389 assert(ps->pss_state == DSS_SCANNING); 3390 3391 /* 3392 * Scan is in progress. 3393 */ 3394 if (ps->pss_func == POOL_SCAN_SCRUB) { 3395 (void) printf(gettext("scrub in progress since %s"), 3396 ctime(&start)); 3397 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3398 (void) printf(gettext("resilver in progress since %s"), 3399 ctime(&start)); 3400 } 3401 3402 examined = ps->pss_examined ? ps->pss_examined : 1; 3403 total = ps->pss_to_examine; 3404 fraction_done = (double)examined / total; 3405 3406 /* elapsed time for this pass */ 3407 elapsed = time(NULL) - ps->pss_pass_start; 3408 elapsed = elapsed ? elapsed : 1; 3409 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3410 rate = pass_exam / elapsed; 3411 rate = rate ? rate : 1; 3412 mins_left = ((total - examined) / rate) / 60; 3413 hours_left = mins_left / 60; 3414 3415 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3416 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3417 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3418 3419 /* 3420 * do not print estimated time if hours_left is more than 30 days 3421 */ 3422 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3423 examined_buf, total_buf, rate_buf); 3424 if (hours_left < (30 * 24)) { 3425 (void) printf(gettext(", %lluh%um to go\n"), 3426 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3427 } else { 3428 (void) printf(gettext( 3429 ", (scan is slow, no estimated time)\n")); 3430 } 3431 3432 if (ps->pss_func == POOL_SCAN_RESILVER) { 3433 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3434 processed_buf, 100 * fraction_done); 3435 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3436 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3437 processed_buf, 100 * fraction_done); 3438 } 3439 } 3440 3441 static void 3442 print_error_log(zpool_handle_t *zhp) 3443 { 3444 nvlist_t *nverrlist = NULL; 3445 nvpair_t *elem; 3446 char *pathname; 3447 size_t len = MAXPATHLEN * 2; 3448 3449 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3450 (void) printf("errors: List of errors unavailable " 3451 "(insufficient privileges)\n"); 3452 return; 3453 } 3454 3455 (void) printf("errors: Permanent errors have been " 3456 "detected in the following files:\n\n"); 3457 3458 pathname = safe_malloc(len); 3459 elem = NULL; 3460 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3461 nvlist_t *nv; 3462 uint64_t dsobj, obj; 3463 3464 verify(nvpair_value_nvlist(elem, &nv) == 0); 3465 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3466 &dsobj) == 0); 3467 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3468 &obj) == 0); 3469 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3470 (void) printf("%7s %s\n", "", pathname); 3471 } 3472 free(pathname); 3473 nvlist_free(nverrlist); 3474 } 3475 3476 static void 3477 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3478 int namewidth) 3479 { 3480 uint_t i; 3481 char *name; 3482 3483 if (nspares == 0) 3484 return; 3485 3486 (void) printf(gettext("\tspares\n")); 3487 3488 for (i = 0; i < nspares; i++) { 3489 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3490 print_status_config(zhp, name, spares[i], 3491 namewidth, 2, B_TRUE); 3492 free(name); 3493 } 3494 } 3495 3496 static void 3497 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3498 int namewidth) 3499 { 3500 uint_t i; 3501 char *name; 3502 3503 if (nl2cache == 0) 3504 return; 3505 3506 (void) printf(gettext("\tcache\n")); 3507 3508 for (i = 0; i < nl2cache; i++) { 3509 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3510 print_status_config(zhp, name, l2cache[i], 3511 namewidth, 2, B_FALSE); 3512 free(name); 3513 } 3514 } 3515 3516 static void 3517 print_dedup_stats(nvlist_t *config) 3518 { 3519 ddt_histogram_t *ddh; 3520 ddt_stat_t *dds; 3521 ddt_object_t *ddo; 3522 uint_t c; 3523 3524 /* 3525 * If the pool was faulted then we may not have been able to 3526 * obtain the config. Otherwise, if have anything in the dedup 3527 * table continue processing the stats. 3528 */ 3529 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3530 (uint64_t **)&ddo, &c) != 0) 3531 return; 3532 3533 (void) printf("\n"); 3534 (void) printf(gettext(" dedup: ")); 3535 if (ddo->ddo_count == 0) { 3536 (void) printf(gettext("no DDT entries\n")); 3537 return; 3538 } 3539 3540 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3541 (u_longlong_t)ddo->ddo_count, 3542 (u_longlong_t)ddo->ddo_dspace, 3543 (u_longlong_t)ddo->ddo_mspace); 3544 3545 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3546 (uint64_t **)&dds, &c) == 0); 3547 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3548 (uint64_t **)&ddh, &c) == 0); 3549 zpool_dump_ddt(dds, ddh); 3550 } 3551 3552 /* 3553 * Display a summary of pool status. Displays a summary such as: 3554 * 3555 * pool: tank 3556 * status: DEGRADED 3557 * reason: One or more devices ... 3558 * see: http://www.sun.com/msg/ZFS-xxxx-01 3559 * config: 3560 * mirror DEGRADED 3561 * c1t0d0 OK 3562 * c2t0d0 UNAVAIL 3563 * 3564 * When given the '-v' option, we print out the complete config. If the '-e' 3565 * option is specified, then we print out error rate information as well. 3566 */ 3567 int 3568 status_callback(zpool_handle_t *zhp, void *data) 3569 { 3570 status_cbdata_t *cbp = data; 3571 nvlist_t *config, *nvroot; 3572 char *msgid; 3573 int reason; 3574 const char *health; 3575 uint_t c; 3576 vdev_stat_t *vs; 3577 3578 config = zpool_get_config(zhp, NULL); 3579 reason = zpool_get_status(zhp, &msgid); 3580 3581 cbp->cb_count++; 3582 3583 /* 3584 * If we were given 'zpool status -x', only report those pools with 3585 * problems. 3586 */ 3587 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3588 if (!cbp->cb_allpools) { 3589 (void) printf(gettext("pool '%s' is healthy\n"), 3590 zpool_get_name(zhp)); 3591 if (cbp->cb_first) 3592 cbp->cb_first = B_FALSE; 3593 } 3594 return (0); 3595 } 3596 3597 if (cbp->cb_first) 3598 cbp->cb_first = B_FALSE; 3599 else 3600 (void) printf("\n"); 3601 3602 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3603 &nvroot) == 0); 3604 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3605 (uint64_t **)&vs, &c) == 0); 3606 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3607 3608 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3609 (void) printf(gettext(" state: %s\n"), health); 3610 3611 switch (reason) { 3612 case ZPOOL_STATUS_MISSING_DEV_R: 3613 (void) printf(gettext("status: One or more devices could not " 3614 "be opened. Sufficient replicas exist for\n\tthe pool to " 3615 "continue functioning in a degraded state.\n")); 3616 (void) printf(gettext("action: Attach the missing device and " 3617 "online it using 'zpool online'.\n")); 3618 break; 3619 3620 case ZPOOL_STATUS_MISSING_DEV_NR: 3621 (void) printf(gettext("status: One or more devices could not " 3622 "be opened. There are insufficient\n\treplicas for the " 3623 "pool to continue functioning.\n")); 3624 (void) printf(gettext("action: Attach the missing device and " 3625 "online it using 'zpool online'.\n")); 3626 break; 3627 3628 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3629 (void) printf(gettext("status: One or more devices could not " 3630 "be used because the label is missing or\n\tinvalid. " 3631 "Sufficient replicas exist for the pool to continue\n\t" 3632 "functioning in a degraded state.\n")); 3633 (void) printf(gettext("action: Replace the device using " 3634 "'zpool replace'.\n")); 3635 break; 3636 3637 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3638 (void) printf(gettext("status: One or more devices could not " 3639 "be used because the label is missing \n\tor invalid. " 3640 "There are insufficient replicas for the pool to " 3641 "continue\n\tfunctioning.\n")); 3642 zpool_explain_recover(zpool_get_handle(zhp), 3643 zpool_get_name(zhp), reason, config); 3644 break; 3645 3646 case ZPOOL_STATUS_FAILING_DEV: 3647 (void) printf(gettext("status: One or more devices has " 3648 "experienced an unrecoverable error. An\n\tattempt was " 3649 "made to correct the error. Applications are " 3650 "unaffected.\n")); 3651 (void) printf(gettext("action: Determine if the device needs " 3652 "to be replaced, and clear the errors\n\tusing " 3653 "'zpool clear' or replace the device with 'zpool " 3654 "replace'.\n")); 3655 break; 3656 3657 case ZPOOL_STATUS_OFFLINE_DEV: 3658 (void) printf(gettext("status: One or more devices has " 3659 "been taken offline by the administrator.\n\tSufficient " 3660 "replicas exist for the pool to continue functioning in " 3661 "a\n\tdegraded state.\n")); 3662 (void) printf(gettext("action: Online the device using " 3663 "'zpool online' or replace the device with\n\t'zpool " 3664 "replace'.\n")); 3665 break; 3666 3667 case ZPOOL_STATUS_REMOVED_DEV: 3668 (void) printf(gettext("status: One or more devices has " 3669 "been removed by the administrator.\n\tSufficient " 3670 "replicas exist for the pool to continue functioning in " 3671 "a\n\tdegraded state.\n")); 3672 (void) printf(gettext("action: Online the device using " 3673 "'zpool online' or replace the device with\n\t'zpool " 3674 "replace'.\n")); 3675 break; 3676 3677 case ZPOOL_STATUS_RESILVERING: 3678 (void) printf(gettext("status: One or more devices is " 3679 "currently being resilvered. The pool will\n\tcontinue " 3680 "to function, possibly in a degraded state.\n")); 3681 (void) printf(gettext("action: Wait for the resilver to " 3682 "complete.\n")); 3683 break; 3684 3685 case ZPOOL_STATUS_CORRUPT_DATA: 3686 (void) printf(gettext("status: One or more devices has " 3687 "experienced an error resulting in data\n\tcorruption. " 3688 "Applications may be affected.\n")); 3689 (void) printf(gettext("action: Restore the file in question " 3690 "if possible. Otherwise restore the\n\tentire pool from " 3691 "backup.\n")); 3692 break; 3693 3694 case ZPOOL_STATUS_CORRUPT_POOL: 3695 (void) printf(gettext("status: The pool metadata is corrupted " 3696 "and the pool cannot be opened.\n")); 3697 zpool_explain_recover(zpool_get_handle(zhp), 3698 zpool_get_name(zhp), reason, config); 3699 break; 3700 3701 case ZPOOL_STATUS_VERSION_OLDER: 3702 (void) printf(gettext("status: The pool is formatted using an " 3703 "older on-disk format. The pool can\n\tstill be used, but " 3704 "some features are unavailable.\n")); 3705 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3706 "upgrade'. Once this is done, the\n\tpool will no longer " 3707 "be accessible on older software versions.\n")); 3708 break; 3709 3710 case ZPOOL_STATUS_VERSION_NEWER: 3711 (void) printf(gettext("status: The pool has been upgraded to a " 3712 "newer, incompatible on-disk version.\n\tThe pool cannot " 3713 "be accessed on this system.\n")); 3714 (void) printf(gettext("action: Access the pool from a system " 3715 "running more recent software, or\n\trestore the pool from " 3716 "backup.\n")); 3717 break; 3718 3719 case ZPOOL_STATUS_FAULTED_DEV_R: 3720 (void) printf(gettext("status: One or more devices are " 3721 "faulted in response to persistent errors.\n\tSufficient " 3722 "replicas exist for the pool to continue functioning " 3723 "in a\n\tdegraded state.\n")); 3724 (void) printf(gettext("action: Replace the faulted device, " 3725 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3726 break; 3727 3728 case ZPOOL_STATUS_FAULTED_DEV_NR: 3729 (void) printf(gettext("status: One or more devices are " 3730 "faulted in response to persistent errors. There are " 3731 "insufficient replicas for the pool to\n\tcontinue " 3732 "functioning.\n")); 3733 (void) printf(gettext("action: Destroy and re-create the pool " 3734 "from a backup source. Manually marking the device\n" 3735 "\trepaired using 'zpool clear' may allow some data " 3736 "to be recovered.\n")); 3737 break; 3738 3739 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3740 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3741 (void) printf(gettext("status: One or more devices are " 3742 "faulted in response to IO failures.\n")); 3743 (void) printf(gettext("action: Make sure the affected devices " 3744 "are connected, then run 'zpool clear'.\n")); 3745 break; 3746 3747 case ZPOOL_STATUS_BAD_LOG: 3748 (void) printf(gettext("status: An intent log record " 3749 "could not be read.\n" 3750 "\tWaiting for adminstrator intervention to fix the " 3751 "faulted pool.\n")); 3752 (void) printf(gettext("action: Either restore the affected " 3753 "device(s) and run 'zpool online',\n" 3754 "\tor ignore the intent log records by running " 3755 "'zpool clear'.\n")); 3756 break; 3757 3758 default: 3759 /* 3760 * The remaining errors can't actually be generated, yet. 3761 */ 3762 assert(reason == ZPOOL_STATUS_OK); 3763 } 3764 3765 if (msgid != NULL) 3766 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3767 msgid); 3768 3769 if (config != NULL) { 3770 int namewidth; 3771 uint64_t nerr; 3772 nvlist_t **spares, **l2cache; 3773 uint_t nspares, nl2cache; 3774 pool_scan_stat_t *ps = NULL; 3775 3776 (void) nvlist_lookup_uint64_array(nvroot, 3777 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3778 print_scan_status(ps); 3779 3780 namewidth = max_width(zhp, nvroot, 0, 0); 3781 if (namewidth < 10) 3782 namewidth = 10; 3783 3784 (void) printf(gettext("config:\n\n")); 3785 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3786 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3787 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3788 namewidth, 0, B_FALSE); 3789 3790 if (num_logs(nvroot) > 0) 3791 print_logs(zhp, nvroot, namewidth, B_TRUE); 3792 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3793 &l2cache, &nl2cache) == 0) 3794 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3795 3796 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3797 &spares, &nspares) == 0) 3798 print_spares(zhp, spares, nspares, namewidth); 3799 3800 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3801 &nerr) == 0) { 3802 nvlist_t *nverrlist = NULL; 3803 3804 /* 3805 * If the approximate error count is small, get a 3806 * precise count by fetching the entire log and 3807 * uniquifying the results. 3808 */ 3809 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3810 zpool_get_errlog(zhp, &nverrlist) == 0) { 3811 nvpair_t *elem; 3812 3813 elem = NULL; 3814 nerr = 0; 3815 while ((elem = nvlist_next_nvpair(nverrlist, 3816 elem)) != NULL) { 3817 nerr++; 3818 } 3819 } 3820 nvlist_free(nverrlist); 3821 3822 (void) printf("\n"); 3823 3824 if (nerr == 0) 3825 (void) printf(gettext("errors: No known data " 3826 "errors\n")); 3827 else if (!cbp->cb_verbose) 3828 (void) printf(gettext("errors: %llu data " 3829 "errors, use '-v' for a list\n"), 3830 (u_longlong_t)nerr); 3831 else 3832 print_error_log(zhp); 3833 } 3834 3835 if (cbp->cb_dedup_stats) 3836 print_dedup_stats(config); 3837 } else { 3838 (void) printf(gettext("config: The configuration cannot be " 3839 "determined.\n")); 3840 } 3841 3842 return (0); 3843 } 3844 3845 /* 3846 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3847 * 3848 * -v Display complete error logs 3849 * -x Display only pools with potential problems 3850 * -D Display dedup status (undocumented) 3851 * -T Display a timestamp in date(1) or Unix format 3852 * 3853 * Describes the health status of all pools or some subset. 3854 */ 3855 int 3856 zpool_do_status(int argc, char **argv) 3857 { 3858 int c; 3859 int ret; 3860 unsigned long interval = 0, count = 0; 3861 status_cbdata_t cb = { 0 }; 3862 3863 /* check options */ 3864 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3865 switch (c) { 3866 case 'v': 3867 cb.cb_verbose = B_TRUE; 3868 break; 3869 case 'x': 3870 cb.cb_explain = B_TRUE; 3871 break; 3872 case 'D': 3873 cb.cb_dedup_stats = B_TRUE; 3874 break; 3875 case 'T': 3876 get_timestamp_arg(*optarg); 3877 break; 3878 case '?': 3879 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3880 optopt); 3881 usage(B_FALSE); 3882 } 3883 } 3884 3885 argc -= optind; 3886 argv += optind; 3887 3888 get_interval_count(&argc, argv, &interval, &count); 3889 3890 if (argc == 0) 3891 cb.cb_allpools = B_TRUE; 3892 3893 cb.cb_first = B_TRUE; 3894 3895 for (;;) { 3896 if (timestamp_fmt != NODATE) 3897 print_timestamp(timestamp_fmt); 3898 3899 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3900 status_callback, &cb); 3901 3902 if (argc == 0 && cb.cb_count == 0) 3903 (void) printf(gettext("no pools available\n")); 3904 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3905 (void) printf(gettext("all pools are healthy\n")); 3906 3907 if (ret != 0) 3908 return (ret); 3909 3910 if (interval == 0) 3911 break; 3912 3913 if (count != 0 && --count == 0) 3914 break; 3915 3916 (void) sleep(interval); 3917 } 3918 3919 return (0); 3920 } 3921 3922 typedef struct upgrade_cbdata { 3923 int cb_all; 3924 int cb_first; 3925 int cb_newer; 3926 int cb_argc; 3927 uint64_t cb_version; 3928 char **cb_argv; 3929 } upgrade_cbdata_t; 3930 3931 static int 3932 upgrade_cb(zpool_handle_t *zhp, void *arg) 3933 { 3934 upgrade_cbdata_t *cbp = arg; 3935 nvlist_t *config; 3936 uint64_t version; 3937 int ret = 0; 3938 3939 config = zpool_get_config(zhp, NULL); 3940 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3941 &version) == 0); 3942 3943 if (!cbp->cb_newer && version < SPA_VERSION) { 3944 if (!cbp->cb_all) { 3945 if (cbp->cb_first) { 3946 (void) printf(gettext("The following pools are " 3947 "out of date, and can be upgraded. After " 3948 "being\nupgraded, these pools will no " 3949 "longer be accessible by older software " 3950 "versions.\n\n")); 3951 (void) printf(gettext("VER POOL\n")); 3952 (void) printf(gettext("--- ------------\n")); 3953 cbp->cb_first = B_FALSE; 3954 } 3955 3956 (void) printf("%2llu %s\n", (u_longlong_t)version, 3957 zpool_get_name(zhp)); 3958 } else { 3959 cbp->cb_first = B_FALSE; 3960 ret = zpool_upgrade(zhp, cbp->cb_version); 3961 if (!ret) { 3962 (void) printf(gettext("Successfully upgraded " 3963 "'%s'\n\n"), zpool_get_name(zhp)); 3964 } 3965 } 3966 } else if (cbp->cb_newer && version > SPA_VERSION) { 3967 assert(!cbp->cb_all); 3968 3969 if (cbp->cb_first) { 3970 (void) printf(gettext("The following pools are " 3971 "formatted using a newer software version and\n" 3972 "cannot be accessed on the current system.\n\n")); 3973 (void) printf(gettext("VER POOL\n")); 3974 (void) printf(gettext("--- ------------\n")); 3975 cbp->cb_first = B_FALSE; 3976 } 3977 3978 (void) printf("%2llu %s\n", (u_longlong_t)version, 3979 zpool_get_name(zhp)); 3980 } 3981 3982 zpool_close(zhp); 3983 return (ret); 3984 } 3985 3986 /* ARGSUSED */ 3987 static int 3988 upgrade_one(zpool_handle_t *zhp, void *data) 3989 { 3990 upgrade_cbdata_t *cbp = data; 3991 uint64_t cur_version; 3992 int ret; 3993 3994 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3995 (void) printf(gettext("'log' is now a reserved word\n" 3996 "Pool 'log' must be renamed using export and import" 3997 " to upgrade.\n")); 3998 return (1); 3999 } 4000 4001 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 4002 if (cur_version > cbp->cb_version) { 4003 (void) printf(gettext("Pool '%s' is already formatted " 4004 "using more current version '%llu'.\n"), 4005 zpool_get_name(zhp), cur_version); 4006 return (0); 4007 } 4008 if (cur_version == cbp->cb_version) { 4009 (void) printf(gettext("Pool '%s' is already formatted " 4010 "using the current version.\n"), zpool_get_name(zhp)); 4011 return (0); 4012 } 4013 4014 ret = zpool_upgrade(zhp, cbp->cb_version); 4015 4016 if (!ret) { 4017 (void) printf(gettext("Successfully upgraded '%s' " 4018 "from version %llu to version %llu\n\n"), 4019 zpool_get_name(zhp), (u_longlong_t)cur_version, 4020 (u_longlong_t)cbp->cb_version); 4021 } 4022 4023 return (ret != 0); 4024 } 4025 4026 /* 4027 * zpool upgrade 4028 * zpool upgrade -v 4029 * zpool upgrade [-V version] <-a | pool ...> 4030 * 4031 * With no arguments, display downrev'd ZFS pool available for upgrade. 4032 * Individual pools can be upgraded by specifying the pool, and '-a' will 4033 * upgrade all pools. 4034 */ 4035 int 4036 zpool_do_upgrade(int argc, char **argv) 4037 { 4038 int c; 4039 upgrade_cbdata_t cb = { 0 }; 4040 int ret = 0; 4041 boolean_t showversions = B_FALSE; 4042 char *end; 4043 4044 4045 /* check options */ 4046 while ((c = getopt(argc, argv, ":avV:")) != -1) { 4047 switch (c) { 4048 case 'a': 4049 cb.cb_all = B_TRUE; 4050 break; 4051 case 'v': 4052 showversions = B_TRUE; 4053 break; 4054 case 'V': 4055 cb.cb_version = strtoll(optarg, &end, 10); 4056 if (*end != '\0' || cb.cb_version > SPA_VERSION || 4057 cb.cb_version < SPA_VERSION_1) { 4058 (void) fprintf(stderr, 4059 gettext("invalid version '%s'\n"), optarg); 4060 usage(B_FALSE); 4061 } 4062 break; 4063 case ':': 4064 (void) fprintf(stderr, gettext("missing argument for " 4065 "'%c' option\n"), optopt); 4066 usage(B_FALSE); 4067 break; 4068 case '?': 4069 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4070 optopt); 4071 usage(B_FALSE); 4072 } 4073 } 4074 4075 cb.cb_argc = argc; 4076 cb.cb_argv = argv; 4077 argc -= optind; 4078 argv += optind; 4079 4080 if (cb.cb_version == 0) { 4081 cb.cb_version = SPA_VERSION; 4082 } else if (!cb.cb_all && argc == 0) { 4083 (void) fprintf(stderr, gettext("-V option is " 4084 "incompatible with other arguments\n")); 4085 usage(B_FALSE); 4086 } 4087 4088 if (showversions) { 4089 if (cb.cb_all || argc != 0) { 4090 (void) fprintf(stderr, gettext("-v option is " 4091 "incompatible with other arguments\n")); 4092 usage(B_FALSE); 4093 } 4094 } else if (cb.cb_all) { 4095 if (argc != 0) { 4096 (void) fprintf(stderr, gettext("-a option should not " 4097 "be used along with a pool name\n")); 4098 usage(B_FALSE); 4099 } 4100 } 4101 4102 (void) printf(gettext("This system is currently running " 4103 "ZFS pool version %llu.\n\n"), SPA_VERSION); 4104 cb.cb_first = B_TRUE; 4105 if (showversions) { 4106 (void) printf(gettext("The following versions are " 4107 "supported:\n\n")); 4108 (void) printf(gettext("VER DESCRIPTION\n")); 4109 (void) printf("--- -----------------------------------------" 4110 "---------------\n"); 4111 (void) printf(gettext(" 1 Initial ZFS version\n")); 4112 (void) printf(gettext(" 2 Ditto blocks " 4113 "(replicated metadata)\n")); 4114 (void) printf(gettext(" 3 Hot spares and double parity " 4115 "RAID-Z\n")); 4116 (void) printf(gettext(" 4 zpool history\n")); 4117 (void) printf(gettext(" 5 Compression using the gzip " 4118 "algorithm\n")); 4119 (void) printf(gettext(" 6 bootfs pool property\n")); 4120 (void) printf(gettext(" 7 Separate intent log devices\n")); 4121 (void) printf(gettext(" 8 Delegated administration\n")); 4122 (void) printf(gettext(" 9 refquota and refreservation " 4123 "properties\n")); 4124 (void) printf(gettext(" 10 Cache devices\n")); 4125 (void) printf(gettext(" 11 Improved scrub performance\n")); 4126 (void) printf(gettext(" 12 Snapshot properties\n")); 4127 (void) printf(gettext(" 13 snapused property\n")); 4128 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4129 (void) printf(gettext(" 15 user/group space accounting\n")); 4130 (void) printf(gettext(" 16 stmf property support\n")); 4131 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4132 (void) printf(gettext(" 18 Snapshot user holds\n")); 4133 (void) printf(gettext(" 19 Log device removal\n")); 4134 (void) printf(gettext(" 20 Compression using zle " 4135 "(zero-length encoding)\n")); 4136 (void) printf(gettext(" 21 Deduplication\n")); 4137 (void) printf(gettext(" 22 Received properties\n")); 4138 (void) printf(gettext(" 23 Slim ZIL\n")); 4139 (void) printf(gettext(" 24 System attributes\n")); 4140 (void) printf(gettext(" 25 Improved scrub stats\n")); 4141 (void) printf(gettext(" 26 Improved snapshot deletion " 4142 "performance\n")); 4143 (void) printf(gettext(" 27 Improved snapshot creation " 4144 "performance\n")); 4145 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4146 (void) printf(gettext("\nFor more information on a particular " 4147 "version, including supported releases,\n")); 4148 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4149 } else if (argc == 0) { 4150 int notfound; 4151 4152 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4153 notfound = cb.cb_first; 4154 4155 if (!cb.cb_all && ret == 0) { 4156 if (!cb.cb_first) 4157 (void) printf("\n"); 4158 cb.cb_first = B_TRUE; 4159 cb.cb_newer = B_TRUE; 4160 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4161 if (!cb.cb_first) { 4162 notfound = B_FALSE; 4163 (void) printf("\n"); 4164 } 4165 } 4166 4167 if (ret == 0) { 4168 if (notfound) 4169 (void) printf(gettext("All pools are formatted " 4170 "using this version.\n")); 4171 else if (!cb.cb_all) 4172 (void) printf(gettext("Use 'zpool upgrade -v' " 4173 "for a list of available versions and " 4174 "their associated\nfeatures.\n")); 4175 } 4176 } else { 4177 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4178 upgrade_one, &cb); 4179 } 4180 4181 return (ret); 4182 } 4183 4184 typedef struct hist_cbdata { 4185 boolean_t first; 4186 int longfmt; 4187 int internal; 4188 } hist_cbdata_t; 4189 4190 /* 4191 * Print out the command history for a specific pool. 4192 */ 4193 static int 4194 get_history_one(zpool_handle_t *zhp, void *data) 4195 { 4196 nvlist_t *nvhis; 4197 nvlist_t **records; 4198 uint_t numrecords; 4199 char *cmdstr; 4200 char *pathstr; 4201 uint64_t dst_time; 4202 time_t tsec; 4203 struct tm t; 4204 char tbuf[30]; 4205 int ret, i; 4206 uint64_t who; 4207 struct passwd *pwd; 4208 char *hostname; 4209 char *zonename; 4210 char internalstr[MAXPATHLEN]; 4211 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4212 uint64_t txg; 4213 uint64_t ievent; 4214 4215 cb->first = B_FALSE; 4216 4217 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4218 4219 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4220 return (ret); 4221 4222 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4223 &records, &numrecords) == 0); 4224 for (i = 0; i < numrecords; i++) { 4225 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4226 &dst_time) != 0) 4227 continue; 4228 4229 /* is it an internal event or a standard event? */ 4230 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4231 &cmdstr) != 0) { 4232 if (cb->internal == 0) 4233 continue; 4234 4235 if (nvlist_lookup_uint64(records[i], 4236 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4237 continue; 4238 verify(nvlist_lookup_uint64(records[i], 4239 ZPOOL_HIST_TXG, &txg) == 0); 4240 verify(nvlist_lookup_string(records[i], 4241 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4242 if (ievent >= LOG_END) 4243 continue; 4244 (void) snprintf(internalstr, 4245 sizeof (internalstr), 4246 "[internal %s txg:%lld] %s", 4247 zfs_history_event_names[ievent], txg, 4248 pathstr); 4249 cmdstr = internalstr; 4250 } 4251 tsec = dst_time; 4252 (void) localtime_r(&tsec, &t); 4253 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4254 (void) printf("%s %s", tbuf, cmdstr); 4255 4256 if (!cb->longfmt) { 4257 (void) printf("\n"); 4258 continue; 4259 } 4260 (void) printf(" ["); 4261 if (nvlist_lookup_uint64(records[i], 4262 ZPOOL_HIST_WHO, &who) == 0) { 4263 pwd = getpwuid((uid_t)who); 4264 if (pwd) 4265 (void) printf("user %s on", 4266 pwd->pw_name); 4267 else 4268 (void) printf("user %d on", 4269 (int)who); 4270 } else { 4271 (void) printf(gettext("no info]\n")); 4272 continue; 4273 } 4274 if (nvlist_lookup_string(records[i], 4275 ZPOOL_HIST_HOST, &hostname) == 0) { 4276 (void) printf(" %s", hostname); 4277 } 4278 if (nvlist_lookup_string(records[i], 4279 ZPOOL_HIST_ZONE, &zonename) == 0) { 4280 (void) printf(":%s", zonename); 4281 } 4282 4283 (void) printf("]"); 4284 (void) printf("\n"); 4285 } 4286 (void) printf("\n"); 4287 nvlist_free(nvhis); 4288 4289 return (ret); 4290 } 4291 4292 /* 4293 * zpool history <pool> 4294 * 4295 * Displays the history of commands that modified pools. 4296 */ 4297 4298 4299 int 4300 zpool_do_history(int argc, char **argv) 4301 { 4302 hist_cbdata_t cbdata = { 0 }; 4303 int ret; 4304 int c; 4305 4306 cbdata.first = B_TRUE; 4307 /* check options */ 4308 while ((c = getopt(argc, argv, "li")) != -1) { 4309 switch (c) { 4310 case 'l': 4311 cbdata.longfmt = 1; 4312 break; 4313 case 'i': 4314 cbdata.internal = 1; 4315 break; 4316 case '?': 4317 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4318 optopt); 4319 usage(B_FALSE); 4320 } 4321 } 4322 argc -= optind; 4323 argv += optind; 4324 4325 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4326 &cbdata); 4327 4328 if (argc == 0 && cbdata.first == B_TRUE) { 4329 (void) printf(gettext("no pools available\n")); 4330 return (0); 4331 } 4332 4333 return (ret); 4334 } 4335 4336 static int 4337 get_callback(zpool_handle_t *zhp, void *data) 4338 { 4339 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4340 char value[MAXNAMELEN]; 4341 zprop_source_t srctype; 4342 zprop_list_t *pl; 4343 4344 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4345 4346 /* 4347 * Skip the special fake placeholder. This will also skip 4348 * over the name property when 'all' is specified. 4349 */ 4350 if (pl->pl_prop == ZPOOL_PROP_NAME && 4351 pl == cbp->cb_proplist) 4352 continue; 4353 4354 if (zpool_get_prop(zhp, pl->pl_prop, 4355 value, sizeof (value), &srctype) != 0) 4356 continue; 4357 4358 zprop_print_one_property(zpool_get_name(zhp), cbp, 4359 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4360 NULL); 4361 } 4362 return (0); 4363 } 4364 4365 int 4366 zpool_do_get(int argc, char **argv) 4367 { 4368 zprop_get_cbdata_t cb = { 0 }; 4369 zprop_list_t fake_name = { 0 }; 4370 int ret; 4371 4372 if (argc < 3) 4373 usage(B_FALSE); 4374 4375 cb.cb_first = B_TRUE; 4376 cb.cb_sources = ZPROP_SRC_ALL; 4377 cb.cb_columns[0] = GET_COL_NAME; 4378 cb.cb_columns[1] = GET_COL_PROPERTY; 4379 cb.cb_columns[2] = GET_COL_VALUE; 4380 cb.cb_columns[3] = GET_COL_SOURCE; 4381 cb.cb_type = ZFS_TYPE_POOL; 4382 4383 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4384 ZFS_TYPE_POOL) != 0) 4385 usage(B_FALSE); 4386 4387 if (cb.cb_proplist != NULL) { 4388 fake_name.pl_prop = ZPOOL_PROP_NAME; 4389 fake_name.pl_width = strlen(gettext("NAME")); 4390 fake_name.pl_next = cb.cb_proplist; 4391 cb.cb_proplist = &fake_name; 4392 } 4393 4394 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4395 get_callback, &cb); 4396 4397 if (cb.cb_proplist == &fake_name) 4398 zprop_free_list(fake_name.pl_next); 4399 else 4400 zprop_free_list(cb.cb_proplist); 4401 4402 return (ret); 4403 } 4404 4405 typedef struct set_cbdata { 4406 char *cb_propname; 4407 char *cb_value; 4408 boolean_t cb_any_successful; 4409 } set_cbdata_t; 4410 4411 int 4412 set_callback(zpool_handle_t *zhp, void *data) 4413 { 4414 int error; 4415 set_cbdata_t *cb = (set_cbdata_t *)data; 4416 4417 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4418 4419 if (!error) 4420 cb->cb_any_successful = B_TRUE; 4421 4422 return (error); 4423 } 4424 4425 int 4426 zpool_do_set(int argc, char **argv) 4427 { 4428 set_cbdata_t cb = { 0 }; 4429 int error; 4430 4431 if (argc > 1 && argv[1][0] == '-') { 4432 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4433 argv[1][1]); 4434 usage(B_FALSE); 4435 } 4436 4437 if (argc < 2) { 4438 (void) fprintf(stderr, gettext("missing property=value " 4439 "argument\n")); 4440 usage(B_FALSE); 4441 } 4442 4443 if (argc < 3) { 4444 (void) fprintf(stderr, gettext("missing pool name\n")); 4445 usage(B_FALSE); 4446 } 4447 4448 if (argc > 3) { 4449 (void) fprintf(stderr, gettext("too many pool names\n")); 4450 usage(B_FALSE); 4451 } 4452 4453 cb.cb_propname = argv[1]; 4454 cb.cb_value = strchr(cb.cb_propname, '='); 4455 if (cb.cb_value == NULL) { 4456 (void) fprintf(stderr, gettext("missing value in " 4457 "property=value argument\n")); 4458 usage(B_FALSE); 4459 } 4460 4461 *(cb.cb_value) = '\0'; 4462 cb.cb_value++; 4463 4464 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4465 set_callback, &cb); 4466 4467 return (error); 4468 } 4469 4470 static int 4471 find_command_idx(char *command, int *idx) 4472 { 4473 int i; 4474 4475 for (i = 0; i < NCOMMAND; i++) { 4476 if (command_table[i].name == NULL) 4477 continue; 4478 4479 if (strcmp(command, command_table[i].name) == 0) { 4480 *idx = i; 4481 return (0); 4482 } 4483 } 4484 return (1); 4485 } 4486 4487 int 4488 main(int argc, char **argv) 4489 { 4490 int ret; 4491 int i; 4492 char *cmdname; 4493 4494 (void) setlocale(LC_ALL, ""); 4495 (void) textdomain(TEXT_DOMAIN); 4496 4497 if ((g_zfs = libzfs_init()) == NULL) { 4498 (void) fprintf(stderr, gettext("internal error: failed to " 4499 "initialize ZFS library\n")); 4500 return (1); 4501 } 4502 4503 libzfs_print_on_error(g_zfs, B_TRUE); 4504 4505 opterr = 0; 4506 4507 /* 4508 * Make sure the user has specified some command. 4509 */ 4510 if (argc < 2) { 4511 (void) fprintf(stderr, gettext("missing command\n")); 4512 usage(B_FALSE); 4513 } 4514 4515 cmdname = argv[1]; 4516 4517 /* 4518 * Special case '-?' 4519 */ 4520 if (strcmp(cmdname, "-?") == 0) 4521 usage(B_TRUE); 4522 4523 zpool_set_history_str("zpool", argc, argv, history_str); 4524 verify(zpool_stage_history(g_zfs, history_str) == 0); 4525 4526 /* 4527 * Run the appropriate command. 4528 */ 4529 if (find_command_idx(cmdname, &i) == 0) { 4530 current_command = &command_table[i]; 4531 ret = command_table[i].func(argc - 1, argv + 1); 4532 } else if (strchr(cmdname, '=')) { 4533 verify(find_command_idx("set", &i) == 0); 4534 current_command = &command_table[i]; 4535 ret = command_table[i].func(argc, argv); 4536 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4537 /* 4538 * 'freeze' is a vile debugging abomination, so we treat 4539 * it as such. 4540 */ 4541 char buf[16384]; 4542 int fd = open(ZFS_DEV, O_RDWR); 4543 (void) strcpy((void *)buf, argv[2]); 4544 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4545 } else { 4546 (void) fprintf(stderr, gettext("unrecognized " 4547 "command '%s'\n"), cmdname); 4548 usage(B_FALSE); 4549 } 4550 4551 libzfs_fini(g_zfs); 4552 4553 /* 4554 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4555 * for the purposes of running ::findleaks. 4556 */ 4557 if (getenv("ZFS_ABORT") != NULL) { 4558 (void) printf("dumping core by request\n"); 4559 abort(); 4560 } 4561 4562 return (ret); 4563 } 4564