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Commit | Line | Data |
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34dc7c2f BB |
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 | /* | |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
34dc7c2f BB |
24 | */ |
25 | ||
34dc7c2f BB |
26 | #include <ctype.h> |
27 | #include <errno.h> | |
28 | #include <devid.h> | |
34dc7c2f BB |
29 | #include <fcntl.h> |
30 | #include <libintl.h> | |
31 | #include <stdio.h> | |
32 | #include <stdlib.h> | |
33 | #include <strings.h> | |
34 | #include <unistd.h> | |
35 | #include <sys/efi_partition.h> | |
36 | #include <sys/vtoc.h> | |
37 | #include <sys/zfs_ioctl.h> | |
9babb374 | 38 | #include <dlfcn.h> |
34dc7c2f BB |
39 | |
40 | #include "zfs_namecheck.h" | |
41 | #include "zfs_prop.h" | |
42 | #include "libzfs_impl.h" | |
428870ff | 43 | #include "zfs_comutil.h" |
34dc7c2f | 44 | |
b128c09f BB |
45 | static int read_efi_label(nvlist_t *config, diskaddr_t *sb); |
46 | ||
9babb374 BB |
47 | #define DISK_ROOT "/dev/dsk" |
48 | #define RDISK_ROOT "/dev/rdsk" | |
49 | #define BACKUP_SLICE "s2" | |
50 | ||
572e2857 BB |
51 | typedef struct prop_flags { |
52 | int create:1; /* Validate property on creation */ | |
53 | int import:1; /* Validate property on import */ | |
54 | } prop_flags_t; | |
55 | ||
34dc7c2f BB |
56 | /* |
57 | * ==================================================================== | |
58 | * zpool property functions | |
59 | * ==================================================================== | |
60 | */ | |
61 | ||
62 | static int | |
63 | zpool_get_all_props(zpool_handle_t *zhp) | |
64 | { | |
2598c001 | 65 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
66 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
67 | ||
68 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
69 | ||
70 | if (zcmd_alloc_dst_nvlist(hdl, &zc, 0) != 0) | |
71 | return (-1); | |
72 | ||
73 | while (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_PROPS, &zc) != 0) { | |
74 | if (errno == ENOMEM) { | |
75 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
76 | zcmd_free_nvlists(&zc); | |
77 | return (-1); | |
78 | } | |
79 | } else { | |
80 | zcmd_free_nvlists(&zc); | |
81 | return (-1); | |
82 | } | |
83 | } | |
84 | ||
85 | if (zcmd_read_dst_nvlist(hdl, &zc, &zhp->zpool_props) != 0) { | |
86 | zcmd_free_nvlists(&zc); | |
87 | return (-1); | |
88 | } | |
89 | ||
90 | zcmd_free_nvlists(&zc); | |
91 | ||
92 | return (0); | |
93 | } | |
94 | ||
95 | static int | |
96 | zpool_props_refresh(zpool_handle_t *zhp) | |
97 | { | |
98 | nvlist_t *old_props; | |
99 | ||
100 | old_props = zhp->zpool_props; | |
101 | ||
102 | if (zpool_get_all_props(zhp) != 0) | |
103 | return (-1); | |
104 | ||
105 | nvlist_free(old_props); | |
106 | return (0); | |
107 | } | |
108 | ||
109 | static char * | |
110 | zpool_get_prop_string(zpool_handle_t *zhp, zpool_prop_t prop, | |
111 | zprop_source_t *src) | |
112 | { | |
113 | nvlist_t *nv, *nvl; | |
114 | uint64_t ival; | |
115 | char *value; | |
116 | zprop_source_t source; | |
117 | ||
118 | nvl = zhp->zpool_props; | |
119 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
120 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &ival) == 0); | |
121 | source = ival; | |
122 | verify(nvlist_lookup_string(nv, ZPROP_VALUE, &value) == 0); | |
123 | } else { | |
124 | source = ZPROP_SRC_DEFAULT; | |
125 | if ((value = (char *)zpool_prop_default_string(prop)) == NULL) | |
126 | value = "-"; | |
127 | } | |
128 | ||
129 | if (src) | |
130 | *src = source; | |
131 | ||
132 | return (value); | |
133 | } | |
134 | ||
135 | uint64_t | |
136 | zpool_get_prop_int(zpool_handle_t *zhp, zpool_prop_t prop, zprop_source_t *src) | |
137 | { | |
138 | nvlist_t *nv, *nvl; | |
139 | uint64_t value; | |
140 | zprop_source_t source; | |
141 | ||
b128c09f BB |
142 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp)) { |
143 | /* | |
144 | * zpool_get_all_props() has most likely failed because | |
145 | * the pool is faulted, but if all we need is the top level | |
146 | * vdev's guid then get it from the zhp config nvlist. | |
147 | */ | |
148 | if ((prop == ZPOOL_PROP_GUID) && | |
149 | (nvlist_lookup_nvlist(zhp->zpool_config, | |
150 | ZPOOL_CONFIG_VDEV_TREE, &nv) == 0) && | |
151 | (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &value) | |
152 | == 0)) { | |
153 | return (value); | |
154 | } | |
34dc7c2f | 155 | return (zpool_prop_default_numeric(prop)); |
b128c09f | 156 | } |
34dc7c2f BB |
157 | |
158 | nvl = zhp->zpool_props; | |
159 | if (nvlist_lookup_nvlist(nvl, zpool_prop_to_name(prop), &nv) == 0) { | |
160 | verify(nvlist_lookup_uint64(nv, ZPROP_SOURCE, &value) == 0); | |
161 | source = value; | |
162 | verify(nvlist_lookup_uint64(nv, ZPROP_VALUE, &value) == 0); | |
163 | } else { | |
164 | source = ZPROP_SRC_DEFAULT; | |
165 | value = zpool_prop_default_numeric(prop); | |
166 | } | |
167 | ||
168 | if (src) | |
169 | *src = source; | |
170 | ||
171 | return (value); | |
172 | } | |
173 | ||
174 | /* | |
175 | * Map VDEV STATE to printed strings. | |
176 | */ | |
177 | char * | |
178 | zpool_state_to_name(vdev_state_t state, vdev_aux_t aux) | |
179 | { | |
180 | switch (state) { | |
e75c13c3 BB |
181 | default: |
182 | break; | |
34dc7c2f BB |
183 | case VDEV_STATE_CLOSED: |
184 | case VDEV_STATE_OFFLINE: | |
185 | return (gettext("OFFLINE")); | |
186 | case VDEV_STATE_REMOVED: | |
187 | return (gettext("REMOVED")); | |
188 | case VDEV_STATE_CANT_OPEN: | |
b128c09f | 189 | if (aux == VDEV_AUX_CORRUPT_DATA || aux == VDEV_AUX_BAD_LOG) |
34dc7c2f | 190 | return (gettext("FAULTED")); |
428870ff BB |
191 | else if (aux == VDEV_AUX_SPLIT_POOL) |
192 | return (gettext("SPLIT")); | |
34dc7c2f BB |
193 | else |
194 | return (gettext("UNAVAIL")); | |
195 | case VDEV_STATE_FAULTED: | |
196 | return (gettext("FAULTED")); | |
197 | case VDEV_STATE_DEGRADED: | |
198 | return (gettext("DEGRADED")); | |
199 | case VDEV_STATE_HEALTHY: | |
200 | return (gettext("ONLINE")); | |
201 | } | |
202 | ||
203 | return (gettext("UNKNOWN")); | |
204 | } | |
205 | ||
206 | /* | |
207 | * Get a zpool property value for 'prop' and return the value in | |
208 | * a pre-allocated buffer. | |
209 | */ | |
210 | int | |
211 | zpool_get_prop(zpool_handle_t *zhp, zpool_prop_t prop, char *buf, size_t len, | |
212 | zprop_source_t *srctype) | |
213 | { | |
214 | uint64_t intval; | |
215 | const char *strval; | |
216 | zprop_source_t src = ZPROP_SRC_NONE; | |
217 | nvlist_t *nvroot; | |
218 | vdev_stat_t *vs; | |
219 | uint_t vsc; | |
220 | ||
221 | if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { | |
d164b209 BB |
222 | switch (prop) { |
223 | case ZPOOL_PROP_NAME: | |
34dc7c2f | 224 | (void) strlcpy(buf, zpool_get_name(zhp), len); |
d164b209 BB |
225 | break; |
226 | ||
227 | case ZPOOL_PROP_HEALTH: | |
34dc7c2f | 228 | (void) strlcpy(buf, "FAULTED", len); |
d164b209 BB |
229 | break; |
230 | ||
231 | case ZPOOL_PROP_GUID: | |
232 | intval = zpool_get_prop_int(zhp, prop, &src); | |
b8864a23 | 233 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
d164b209 BB |
234 | break; |
235 | ||
236 | case ZPOOL_PROP_ALTROOT: | |
237 | case ZPOOL_PROP_CACHEFILE: | |
238 | if (zhp->zpool_props != NULL || | |
239 | zpool_get_all_props(zhp) == 0) { | |
240 | (void) strlcpy(buf, | |
241 | zpool_get_prop_string(zhp, prop, &src), | |
242 | len); | |
243 | if (srctype != NULL) | |
244 | *srctype = src; | |
245 | return (0); | |
246 | } | |
247 | /* FALLTHROUGH */ | |
248 | default: | |
34dc7c2f | 249 | (void) strlcpy(buf, "-", len); |
d164b209 BB |
250 | break; |
251 | } | |
252 | ||
253 | if (srctype != NULL) | |
254 | *srctype = src; | |
34dc7c2f BB |
255 | return (0); |
256 | } | |
257 | ||
258 | if (zhp->zpool_props == NULL && zpool_get_all_props(zhp) && | |
259 | prop != ZPOOL_PROP_NAME) | |
260 | return (-1); | |
261 | ||
262 | switch (zpool_prop_get_type(prop)) { | |
263 | case PROP_TYPE_STRING: | |
264 | (void) strlcpy(buf, zpool_get_prop_string(zhp, prop, &src), | |
265 | len); | |
266 | break; | |
267 | ||
268 | case PROP_TYPE_NUMBER: | |
269 | intval = zpool_get_prop_int(zhp, prop, &src); | |
270 | ||
271 | switch (prop) { | |
272 | case ZPOOL_PROP_SIZE: | |
428870ff BB |
273 | case ZPOOL_PROP_ALLOCATED: |
274 | case ZPOOL_PROP_FREE: | |
34dc7c2f BB |
275 | (void) zfs_nicenum(intval, buf, len); |
276 | break; | |
277 | ||
278 | case ZPOOL_PROP_CAPACITY: | |
279 | (void) snprintf(buf, len, "%llu%%", | |
280 | (u_longlong_t)intval); | |
281 | break; | |
282 | ||
428870ff BB |
283 | case ZPOOL_PROP_DEDUPRATIO: |
284 | (void) snprintf(buf, len, "%llu.%02llux", | |
285 | (u_longlong_t)(intval / 100), | |
286 | (u_longlong_t)(intval % 100)); | |
287 | break; | |
288 | ||
34dc7c2f BB |
289 | case ZPOOL_PROP_HEALTH: |
290 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
291 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
292 | verify(nvlist_lookup_uint64_array(nvroot, | |
428870ff BB |
293 | ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&vs, &vsc) |
294 | == 0); | |
34dc7c2f BB |
295 | |
296 | (void) strlcpy(buf, zpool_state_to_name(intval, | |
297 | vs->vs_aux), len); | |
298 | break; | |
299 | default: | |
b8864a23 | 300 | (void) snprintf(buf, len, "%llu", (u_longlong_t)intval); |
34dc7c2f BB |
301 | } |
302 | break; | |
303 | ||
304 | case PROP_TYPE_INDEX: | |
305 | intval = zpool_get_prop_int(zhp, prop, &src); | |
306 | if (zpool_prop_index_to_string(prop, intval, &strval) | |
307 | != 0) | |
308 | return (-1); | |
309 | (void) strlcpy(buf, strval, len); | |
310 | break; | |
311 | ||
312 | default: | |
313 | abort(); | |
314 | } | |
315 | ||
316 | if (srctype) | |
317 | *srctype = src; | |
318 | ||
319 | return (0); | |
320 | } | |
321 | ||
322 | /* | |
323 | * Check if the bootfs name has the same pool name as it is set to. | |
324 | * Assuming bootfs is a valid dataset name. | |
325 | */ | |
326 | static boolean_t | |
327 | bootfs_name_valid(const char *pool, char *bootfs) | |
328 | { | |
329 | int len = strlen(pool); | |
330 | ||
b128c09f | 331 | if (!zfs_name_valid(bootfs, ZFS_TYPE_FILESYSTEM|ZFS_TYPE_SNAPSHOT)) |
34dc7c2f BB |
332 | return (B_FALSE); |
333 | ||
334 | if (strncmp(pool, bootfs, len) == 0 && | |
335 | (bootfs[len] == '/' || bootfs[len] == '\0')) | |
336 | return (B_TRUE); | |
337 | ||
338 | return (B_FALSE); | |
339 | } | |
340 | ||
b128c09f BB |
341 | /* |
342 | * Inspect the configuration to determine if any of the devices contain | |
343 | * an EFI label. | |
344 | */ | |
345 | static boolean_t | |
346 | pool_uses_efi(nvlist_t *config) | |
347 | { | |
348 | nvlist_t **child; | |
349 | uint_t c, children; | |
350 | ||
351 | if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, | |
352 | &child, &children) != 0) | |
353 | return (read_efi_label(config, NULL) >= 0); | |
354 | ||
355 | for (c = 0; c < children; c++) { | |
356 | if (pool_uses_efi(child[c])) | |
357 | return (B_TRUE); | |
358 | } | |
359 | return (B_FALSE); | |
360 | } | |
361 | ||
362 | static boolean_t | |
363 | pool_is_bootable(zpool_handle_t *zhp) | |
364 | { | |
365 | char bootfs[ZPOOL_MAXNAMELEN]; | |
366 | ||
367 | return (zpool_get_prop(zhp, ZPOOL_PROP_BOOTFS, bootfs, | |
368 | sizeof (bootfs), NULL) == 0 && strncmp(bootfs, "-", | |
369 | sizeof (bootfs)) != 0); | |
370 | } | |
371 | ||
372 | ||
34dc7c2f BB |
373 | /* |
374 | * Given an nvlist of zpool properties to be set, validate that they are | |
375 | * correct, and parse any numeric properties (index, boolean, etc) if they are | |
376 | * specified as strings. | |
377 | */ | |
378 | static nvlist_t * | |
b128c09f | 379 | zpool_valid_proplist(libzfs_handle_t *hdl, const char *poolname, |
572e2857 | 380 | nvlist_t *props, uint64_t version, prop_flags_t flags, char *errbuf) |
34dc7c2f BB |
381 | { |
382 | nvpair_t *elem; | |
383 | nvlist_t *retprops; | |
384 | zpool_prop_t prop; | |
385 | char *strval; | |
386 | uint64_t intval; | |
387 | char *slash; | |
388 | struct stat64 statbuf; | |
b128c09f BB |
389 | zpool_handle_t *zhp; |
390 | nvlist_t *nvroot; | |
34dc7c2f BB |
391 | |
392 | if (nvlist_alloc(&retprops, NV_UNIQUE_NAME, 0) != 0) { | |
393 | (void) no_memory(hdl); | |
394 | return (NULL); | |
395 | } | |
396 | ||
397 | elem = NULL; | |
398 | while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { | |
399 | const char *propname = nvpair_name(elem); | |
400 | ||
401 | /* | |
402 | * Make sure this property is valid and applies to this type. | |
403 | */ | |
404 | if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { | |
405 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
406 | "invalid property '%s'"), propname); | |
407 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
408 | goto error; | |
409 | } | |
410 | ||
411 | if (zpool_prop_readonly(prop)) { | |
412 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
413 | "is readonly"), propname); | |
414 | (void) zfs_error(hdl, EZFS_PROPREADONLY, errbuf); | |
415 | goto error; | |
416 | } | |
417 | ||
418 | if (zprop_parse_value(hdl, elem, prop, ZFS_TYPE_POOL, retprops, | |
419 | &strval, &intval, errbuf) != 0) | |
420 | goto error; | |
421 | ||
422 | /* | |
423 | * Perform additional checking for specific properties. | |
424 | */ | |
425 | switch (prop) { | |
e75c13c3 BB |
426 | default: |
427 | break; | |
34dc7c2f BB |
428 | case ZPOOL_PROP_VERSION: |
429 | if (intval < version || intval > SPA_VERSION) { | |
430 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
431 | "property '%s' number %d is invalid."), | |
432 | propname, intval); | |
433 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
434 | goto error; | |
435 | } | |
436 | break; | |
437 | ||
438 | case ZPOOL_PROP_BOOTFS: | |
572e2857 | 439 | if (flags.create || flags.import) { |
34dc7c2f BB |
440 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
441 | "property '%s' cannot be set at creation " | |
442 | "or import time"), propname); | |
443 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
444 | goto error; | |
445 | } | |
446 | ||
447 | if (version < SPA_VERSION_BOOTFS) { | |
448 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
449 | "pool must be upgraded to support " | |
450 | "'%s' property"), propname); | |
451 | (void) zfs_error(hdl, EZFS_BADVERSION, errbuf); | |
452 | goto error; | |
453 | } | |
454 | ||
455 | /* | |
456 | * bootfs property value has to be a dataset name and | |
457 | * the dataset has to be in the same pool as it sets to. | |
458 | */ | |
459 | if (strval[0] != '\0' && !bootfs_name_valid(poolname, | |
460 | strval)) { | |
461 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "'%s' " | |
462 | "is an invalid name"), strval); | |
463 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
464 | goto error; | |
465 | } | |
b128c09f BB |
466 | |
467 | if ((zhp = zpool_open_canfail(hdl, poolname)) == NULL) { | |
468 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
469 | "could not open pool '%s'"), poolname); | |
470 | (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); | |
471 | goto error; | |
472 | } | |
473 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
474 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
475 | ||
476 | /* | |
477 | * bootfs property cannot be set on a disk which has | |
478 | * been EFI labeled. | |
479 | */ | |
480 | if (pool_uses_efi(nvroot)) { | |
481 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
482 | "property '%s' not supported on " | |
483 | "EFI labeled devices"), propname); | |
484 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf); | |
485 | zpool_close(zhp); | |
486 | goto error; | |
487 | } | |
488 | zpool_close(zhp); | |
34dc7c2f BB |
489 | break; |
490 | ||
491 | case ZPOOL_PROP_ALTROOT: | |
572e2857 | 492 | if (!flags.create && !flags.import) { |
34dc7c2f BB |
493 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
494 | "property '%s' can only be set during pool " | |
495 | "creation or import"), propname); | |
496 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
497 | goto error; | |
498 | } | |
499 | ||
500 | if (strval[0] != '/') { | |
501 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
502 | "bad alternate root '%s'"), strval); | |
503 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
504 | goto error; | |
505 | } | |
506 | break; | |
507 | ||
508 | case ZPOOL_PROP_CACHEFILE: | |
509 | if (strval[0] == '\0') | |
510 | break; | |
511 | ||
512 | if (strcmp(strval, "none") == 0) | |
513 | break; | |
514 | ||
515 | if (strval[0] != '/') { | |
516 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
517 | "property '%s' must be empty, an " | |
518 | "absolute path, or 'none'"), propname); | |
519 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
520 | goto error; | |
521 | } | |
522 | ||
523 | slash = strrchr(strval, '/'); | |
524 | ||
525 | if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || | |
526 | strcmp(slash, "/..") == 0) { | |
527 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
528 | "'%s' is not a valid file"), strval); | |
529 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
530 | goto error; | |
531 | } | |
532 | ||
533 | *slash = '\0'; | |
534 | ||
535 | if (strval[0] != '\0' && | |
536 | (stat64(strval, &statbuf) != 0 || | |
537 | !S_ISDIR(statbuf.st_mode))) { | |
538 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
539 | "'%s' is not a valid directory"), | |
540 | strval); | |
541 | (void) zfs_error(hdl, EZFS_BADPATH, errbuf); | |
542 | goto error; | |
543 | } | |
544 | ||
545 | *slash = '/'; | |
546 | break; | |
572e2857 BB |
547 | |
548 | case ZPOOL_PROP_READONLY: | |
549 | if (!flags.import) { | |
550 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
551 | "property '%s' can only be set at " | |
552 | "import time"), propname); | |
553 | (void) zfs_error(hdl, EZFS_BADPROP, errbuf); | |
554 | goto error; | |
555 | } | |
556 | break; | |
34dc7c2f BB |
557 | } |
558 | } | |
559 | ||
560 | return (retprops); | |
561 | error: | |
562 | nvlist_free(retprops); | |
563 | return (NULL); | |
564 | } | |
565 | ||
566 | /* | |
567 | * Set zpool property : propname=propval. | |
568 | */ | |
569 | int | |
570 | zpool_set_prop(zpool_handle_t *zhp, const char *propname, const char *propval) | |
571 | { | |
2598c001 | 572 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
573 | int ret = -1; |
574 | char errbuf[1024]; | |
575 | nvlist_t *nvl = NULL; | |
576 | nvlist_t *realprops; | |
577 | uint64_t version; | |
572e2857 | 578 | prop_flags_t flags = { 0 }; |
34dc7c2f BB |
579 | |
580 | (void) snprintf(errbuf, sizeof (errbuf), | |
581 | dgettext(TEXT_DOMAIN, "cannot set property for '%s'"), | |
582 | zhp->zpool_name); | |
583 | ||
34dc7c2f BB |
584 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) |
585 | return (no_memory(zhp->zpool_hdl)); | |
586 | ||
587 | if (nvlist_add_string(nvl, propname, propval) != 0) { | |
588 | nvlist_free(nvl); | |
589 | return (no_memory(zhp->zpool_hdl)); | |
590 | } | |
591 | ||
592 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); | |
b128c09f | 593 | if ((realprops = zpool_valid_proplist(zhp->zpool_hdl, |
572e2857 | 594 | zhp->zpool_name, nvl, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
595 | nvlist_free(nvl); |
596 | return (-1); | |
597 | } | |
598 | ||
599 | nvlist_free(nvl); | |
600 | nvl = realprops; | |
601 | ||
602 | /* | |
603 | * Execute the corresponding ioctl() to set this property. | |
604 | */ | |
605 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
606 | ||
607 | if (zcmd_write_src_nvlist(zhp->zpool_hdl, &zc, nvl) != 0) { | |
608 | nvlist_free(nvl); | |
609 | return (-1); | |
610 | } | |
611 | ||
612 | ret = zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_SET_PROPS, &zc); | |
613 | ||
614 | zcmd_free_nvlists(&zc); | |
615 | nvlist_free(nvl); | |
616 | ||
617 | if (ret) | |
618 | (void) zpool_standard_error(zhp->zpool_hdl, errno, errbuf); | |
619 | else | |
620 | (void) zpool_props_refresh(zhp); | |
621 | ||
622 | return (ret); | |
623 | } | |
624 | ||
625 | int | |
626 | zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) | |
627 | { | |
628 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
629 | zprop_list_t *entry; | |
630 | char buf[ZFS_MAXPROPLEN]; | |
631 | ||
632 | if (zprop_expand_list(hdl, plp, ZFS_TYPE_POOL) != 0) | |
633 | return (-1); | |
634 | ||
635 | for (entry = *plp; entry != NULL; entry = entry->pl_next) { | |
636 | ||
637 | if (entry->pl_fixed) | |
638 | continue; | |
639 | ||
640 | if (entry->pl_prop != ZPROP_INVAL && | |
641 | zpool_get_prop(zhp, entry->pl_prop, buf, sizeof (buf), | |
642 | NULL) == 0) { | |
643 | if (strlen(buf) > entry->pl_width) | |
644 | entry->pl_width = strlen(buf); | |
645 | } | |
646 | } | |
647 | ||
648 | return (0); | |
649 | } | |
650 | ||
651 | ||
9babb374 BB |
652 | /* |
653 | * Don't start the slice at the default block of 34; many storage | |
654 | * devices will use a stripe width of 128k, so start there instead. | |
655 | */ | |
656 | #define NEW_START_BLOCK 256 | |
657 | ||
34dc7c2f BB |
658 | /* |
659 | * Validate the given pool name, optionally putting an extended error message in | |
660 | * 'buf'. | |
661 | */ | |
662 | boolean_t | |
663 | zpool_name_valid(libzfs_handle_t *hdl, boolean_t isopen, const char *pool) | |
664 | { | |
665 | namecheck_err_t why; | |
666 | char what; | |
667 | int ret; | |
668 | ||
669 | ret = pool_namecheck(pool, &why, &what); | |
670 | ||
671 | /* | |
672 | * The rules for reserved pool names were extended at a later point. | |
673 | * But we need to support users with existing pools that may now be | |
674 | * invalid. So we only check for this expanded set of names during a | |
675 | * create (or import), and only in userland. | |
676 | */ | |
677 | if (ret == 0 && !isopen && | |
678 | (strncmp(pool, "mirror", 6) == 0 || | |
679 | strncmp(pool, "raidz", 5) == 0 || | |
680 | strncmp(pool, "spare", 5) == 0 || | |
681 | strcmp(pool, "log") == 0)) { | |
682 | if (hdl != NULL) | |
683 | zfs_error_aux(hdl, | |
684 | dgettext(TEXT_DOMAIN, "name is reserved")); | |
685 | return (B_FALSE); | |
686 | } | |
687 | ||
688 | ||
689 | if (ret != 0) { | |
690 | if (hdl != NULL) { | |
691 | switch (why) { | |
692 | case NAME_ERR_TOOLONG: | |
693 | zfs_error_aux(hdl, | |
694 | dgettext(TEXT_DOMAIN, "name is too long")); | |
695 | break; | |
696 | ||
697 | case NAME_ERR_INVALCHAR: | |
698 | zfs_error_aux(hdl, | |
699 | dgettext(TEXT_DOMAIN, "invalid character " | |
700 | "'%c' in pool name"), what); | |
701 | break; | |
702 | ||
703 | case NAME_ERR_NOLETTER: | |
704 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
705 | "name must begin with a letter")); | |
706 | break; | |
707 | ||
708 | case NAME_ERR_RESERVED: | |
709 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
710 | "name is reserved")); | |
711 | break; | |
712 | ||
713 | case NAME_ERR_DISKLIKE: | |
714 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
715 | "pool name is reserved")); | |
716 | break; | |
717 | ||
718 | case NAME_ERR_LEADING_SLASH: | |
719 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
720 | "leading slash in name")); | |
721 | break; | |
722 | ||
723 | case NAME_ERR_EMPTY_COMPONENT: | |
724 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
725 | "empty component in name")); | |
726 | break; | |
727 | ||
728 | case NAME_ERR_TRAILING_SLASH: | |
729 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
730 | "trailing slash in name")); | |
731 | break; | |
732 | ||
733 | case NAME_ERR_MULTIPLE_AT: | |
734 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
735 | "multiple '@' delimiters in name")); | |
736 | break; | |
e75c13c3 BB |
737 | case NAME_ERR_NO_AT: |
738 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
739 | "permission set is missing '@'")); | |
740 | break; | |
34dc7c2f BB |
741 | } |
742 | } | |
743 | return (B_FALSE); | |
744 | } | |
745 | ||
746 | return (B_TRUE); | |
747 | } | |
748 | ||
749 | /* | |
750 | * Open a handle to the given pool, even if the pool is currently in the FAULTED | |
751 | * state. | |
752 | */ | |
753 | zpool_handle_t * | |
754 | zpool_open_canfail(libzfs_handle_t *hdl, const char *pool) | |
755 | { | |
756 | zpool_handle_t *zhp; | |
757 | boolean_t missing; | |
758 | ||
759 | /* | |
760 | * Make sure the pool name is valid. | |
761 | */ | |
762 | if (!zpool_name_valid(hdl, B_TRUE, pool)) { | |
763 | (void) zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
764 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), | |
765 | pool); | |
766 | return (NULL); | |
767 | } | |
768 | ||
769 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
770 | return (NULL); | |
771 | ||
772 | zhp->zpool_hdl = hdl; | |
773 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
774 | ||
775 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
776 | zpool_close(zhp); | |
777 | return (NULL); | |
778 | } | |
779 | ||
780 | if (missing) { | |
781 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "no such pool")); | |
782 | (void) zfs_error_fmt(hdl, EZFS_NOENT, | |
783 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), pool); | |
784 | zpool_close(zhp); | |
785 | return (NULL); | |
786 | } | |
787 | ||
788 | return (zhp); | |
789 | } | |
790 | ||
791 | /* | |
792 | * Like the above, but silent on error. Used when iterating over pools (because | |
793 | * the configuration cache may be out of date). | |
794 | */ | |
795 | int | |
796 | zpool_open_silent(libzfs_handle_t *hdl, const char *pool, zpool_handle_t **ret) | |
797 | { | |
798 | zpool_handle_t *zhp; | |
799 | boolean_t missing; | |
800 | ||
801 | if ((zhp = zfs_alloc(hdl, sizeof (zpool_handle_t))) == NULL) | |
802 | return (-1); | |
803 | ||
804 | zhp->zpool_hdl = hdl; | |
805 | (void) strlcpy(zhp->zpool_name, pool, sizeof (zhp->zpool_name)); | |
806 | ||
807 | if (zpool_refresh_stats(zhp, &missing) != 0) { | |
808 | zpool_close(zhp); | |
809 | return (-1); | |
810 | } | |
811 | ||
812 | if (missing) { | |
813 | zpool_close(zhp); | |
814 | *ret = NULL; | |
815 | return (0); | |
816 | } | |
817 | ||
818 | *ret = zhp; | |
819 | return (0); | |
820 | } | |
821 | ||
822 | /* | |
823 | * Similar to zpool_open_canfail(), but refuses to open pools in the faulted | |
824 | * state. | |
825 | */ | |
826 | zpool_handle_t * | |
827 | zpool_open(libzfs_handle_t *hdl, const char *pool) | |
828 | { | |
829 | zpool_handle_t *zhp; | |
830 | ||
831 | if ((zhp = zpool_open_canfail(hdl, pool)) == NULL) | |
832 | return (NULL); | |
833 | ||
834 | if (zhp->zpool_state == POOL_STATE_UNAVAIL) { | |
835 | (void) zfs_error_fmt(hdl, EZFS_POOLUNAVAIL, | |
836 | dgettext(TEXT_DOMAIN, "cannot open '%s'"), zhp->zpool_name); | |
837 | zpool_close(zhp); | |
838 | return (NULL); | |
839 | } | |
840 | ||
841 | return (zhp); | |
842 | } | |
843 | ||
844 | /* | |
845 | * Close the handle. Simply frees the memory associated with the handle. | |
846 | */ | |
847 | void | |
848 | zpool_close(zpool_handle_t *zhp) | |
849 | { | |
850 | if (zhp->zpool_config) | |
851 | nvlist_free(zhp->zpool_config); | |
852 | if (zhp->zpool_old_config) | |
853 | nvlist_free(zhp->zpool_old_config); | |
854 | if (zhp->zpool_props) | |
855 | nvlist_free(zhp->zpool_props); | |
856 | free(zhp); | |
857 | } | |
858 | ||
859 | /* | |
860 | * Return the name of the pool. | |
861 | */ | |
862 | const char * | |
863 | zpool_get_name(zpool_handle_t *zhp) | |
864 | { | |
865 | return (zhp->zpool_name); | |
866 | } | |
867 | ||
868 | ||
869 | /* | |
870 | * Return the state of the pool (ACTIVE or UNAVAILABLE) | |
871 | */ | |
872 | int | |
873 | zpool_get_state(zpool_handle_t *zhp) | |
874 | { | |
875 | return (zhp->zpool_state); | |
876 | } | |
877 | ||
878 | /* | |
879 | * Create the named pool, using the provided vdev list. It is assumed | |
880 | * that the consumer has already validated the contents of the nvlist, so we | |
881 | * don't have to worry about error semantics. | |
882 | */ | |
883 | int | |
884 | zpool_create(libzfs_handle_t *hdl, const char *pool, nvlist_t *nvroot, | |
b128c09f | 885 | nvlist_t *props, nvlist_t *fsprops) |
34dc7c2f | 886 | { |
2598c001 | 887 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
b128c09f BB |
888 | nvlist_t *zc_fsprops = NULL; |
889 | nvlist_t *zc_props = NULL; | |
34dc7c2f BB |
890 | char msg[1024]; |
891 | char *altroot; | |
b128c09f | 892 | int ret = -1; |
34dc7c2f BB |
893 | |
894 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
895 | "cannot create '%s'"), pool); | |
896 | ||
897 | if (!zpool_name_valid(hdl, B_FALSE, pool)) | |
898 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
899 | ||
900 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
901 | return (-1); | |
902 | ||
b128c09f | 903 | if (props) { |
572e2857 BB |
904 | prop_flags_t flags = { .create = B_TRUE, .import = B_FALSE }; |
905 | ||
b128c09f | 906 | if ((zc_props = zpool_valid_proplist(hdl, pool, props, |
572e2857 | 907 | SPA_VERSION_1, flags, msg)) == NULL) { |
b128c09f BB |
908 | goto create_failed; |
909 | } | |
910 | } | |
34dc7c2f | 911 | |
b128c09f BB |
912 | if (fsprops) { |
913 | uint64_t zoned; | |
914 | char *zonestr; | |
915 | ||
916 | zoned = ((nvlist_lookup_string(fsprops, | |
917 | zfs_prop_to_name(ZFS_PROP_ZONED), &zonestr) == 0) && | |
918 | strcmp(zonestr, "on") == 0); | |
919 | ||
920 | if ((zc_fsprops = zfs_valid_proplist(hdl, | |
921 | ZFS_TYPE_FILESYSTEM, fsprops, zoned, NULL, msg)) == NULL) { | |
922 | goto create_failed; | |
923 | } | |
924 | if (!zc_props && | |
925 | (nvlist_alloc(&zc_props, NV_UNIQUE_NAME, 0) != 0)) { | |
926 | goto create_failed; | |
927 | } | |
928 | if (nvlist_add_nvlist(zc_props, | |
929 | ZPOOL_ROOTFS_PROPS, zc_fsprops) != 0) { | |
930 | goto create_failed; | |
931 | } | |
34dc7c2f BB |
932 | } |
933 | ||
b128c09f BB |
934 | if (zc_props && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) |
935 | goto create_failed; | |
936 | ||
34dc7c2f BB |
937 | (void) strlcpy(zc.zc_name, pool, sizeof (zc.zc_name)); |
938 | ||
b128c09f | 939 | if ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_CREATE, &zc)) != 0) { |
34dc7c2f BB |
940 | |
941 | zcmd_free_nvlists(&zc); | |
b128c09f BB |
942 | nvlist_free(zc_props); |
943 | nvlist_free(zc_fsprops); | |
34dc7c2f BB |
944 | |
945 | switch (errno) { | |
946 | case EBUSY: | |
947 | /* | |
948 | * This can happen if the user has specified the same | |
949 | * device multiple times. We can't reliably detect this | |
950 | * until we try to add it and see we already have a | |
951 | * label. | |
952 | */ | |
953 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
954 | "one or more vdevs refer to the same device")); | |
955 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
956 | ||
957 | case EOVERFLOW: | |
958 | /* | |
959 | * This occurs when one of the devices is below | |
960 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
961 | * device was the problem device since there's no | |
962 | * reliable way to determine device size from userland. | |
963 | */ | |
964 | { | |
965 | char buf[64]; | |
966 | ||
967 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
968 | ||
969 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
970 | "one or more devices is less than the " | |
971 | "minimum size (%s)"), buf); | |
972 | } | |
973 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
974 | ||
975 | case ENOSPC: | |
976 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
977 | "one or more devices is out of space")); | |
978 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
979 | ||
980 | case ENOTBLK: | |
981 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
982 | "cache device must be a disk or disk slice")); | |
983 | return (zfs_error(hdl, EZFS_BADDEV, msg)); | |
984 | ||
985 | default: | |
986 | return (zpool_standard_error(hdl, errno, msg)); | |
987 | } | |
988 | } | |
989 | ||
990 | /* | |
991 | * If this is an alternate root pool, then we automatically set the | |
992 | * mountpoint of the root dataset to be '/'. | |
993 | */ | |
994 | if (nvlist_lookup_string(props, zpool_prop_to_name(ZPOOL_PROP_ALTROOT), | |
995 | &altroot) == 0) { | |
996 | zfs_handle_t *zhp; | |
997 | ||
998 | verify((zhp = zfs_open(hdl, pool, ZFS_TYPE_DATASET)) != NULL); | |
999 | verify(zfs_prop_set(zhp, zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), | |
1000 | "/") == 0); | |
1001 | ||
1002 | zfs_close(zhp); | |
1003 | } | |
1004 | ||
b128c09f | 1005 | create_failed: |
34dc7c2f | 1006 | zcmd_free_nvlists(&zc); |
b128c09f BB |
1007 | nvlist_free(zc_props); |
1008 | nvlist_free(zc_fsprops); | |
1009 | return (ret); | |
34dc7c2f BB |
1010 | } |
1011 | ||
1012 | /* | |
1013 | * Destroy the given pool. It is up to the caller to ensure that there are no | |
1014 | * datasets left in the pool. | |
1015 | */ | |
1016 | int | |
1017 | zpool_destroy(zpool_handle_t *zhp) | |
1018 | { | |
2598c001 | 1019 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
1020 | zfs_handle_t *zfp = NULL; |
1021 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1022 | char msg[1024]; | |
1023 | ||
1024 | if (zhp->zpool_state == POOL_STATE_ACTIVE && | |
572e2857 | 1025 | (zfp = zfs_open(hdl, zhp->zpool_name, ZFS_TYPE_FILESYSTEM)) == NULL) |
34dc7c2f BB |
1026 | return (-1); |
1027 | ||
34dc7c2f BB |
1028 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
1029 | ||
572e2857 | 1030 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_DESTROY, &zc) != 0) { |
34dc7c2f BB |
1031 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1032 | "cannot destroy '%s'"), zhp->zpool_name); | |
1033 | ||
1034 | if (errno == EROFS) { | |
1035 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1036 | "one or more devices is read only")); | |
1037 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1038 | } else { | |
1039 | (void) zpool_standard_error(hdl, errno, msg); | |
1040 | } | |
1041 | ||
1042 | if (zfp) | |
1043 | zfs_close(zfp); | |
1044 | return (-1); | |
1045 | } | |
1046 | ||
1047 | if (zfp) { | |
1048 | remove_mountpoint(zfp); | |
1049 | zfs_close(zfp); | |
1050 | } | |
1051 | ||
1052 | return (0); | |
1053 | } | |
1054 | ||
1055 | /* | |
1056 | * Add the given vdevs to the pool. The caller must have already performed the | |
1057 | * necessary verification to ensure that the vdev specification is well-formed. | |
1058 | */ | |
1059 | int | |
1060 | zpool_add(zpool_handle_t *zhp, nvlist_t *nvroot) | |
1061 | { | |
2598c001 | 1062 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
1063 | int ret; |
1064 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1065 | char msg[1024]; | |
1066 | nvlist_t **spares, **l2cache; | |
1067 | uint_t nspares, nl2cache; | |
1068 | ||
1069 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
1070 | "cannot add to '%s'"), zhp->zpool_name); | |
1071 | ||
1072 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < | |
1073 | SPA_VERSION_SPARES && | |
1074 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
1075 | &spares, &nspares) == 0) { | |
1076 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1077 | "upgraded to add hot spares")); | |
1078 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1079 | } | |
1080 | ||
b128c09f BB |
1081 | if (pool_is_bootable(zhp) && nvlist_lookup_nvlist_array(nvroot, |
1082 | ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0) { | |
1083 | uint64_t s; | |
1084 | ||
1085 | for (s = 0; s < nspares; s++) { | |
1086 | char *path; | |
1087 | ||
1088 | if (nvlist_lookup_string(spares[s], ZPOOL_CONFIG_PATH, | |
1089 | &path) == 0 && pool_uses_efi(spares[s])) { | |
1090 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1091 | "device '%s' contains an EFI label and " | |
1092 | "cannot be used on root pools."), | |
428870ff BB |
1093 | zpool_vdev_name(hdl, NULL, spares[s], |
1094 | B_FALSE)); | |
b128c09f BB |
1095 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); |
1096 | } | |
1097 | } | |
1098 | } | |
1099 | ||
34dc7c2f BB |
1100 | if (zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL) < |
1101 | SPA_VERSION_L2CACHE && | |
1102 | nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
1103 | &l2cache, &nl2cache) == 0) { | |
1104 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "pool must be " | |
1105 | "upgraded to add cache devices")); | |
1106 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
1107 | } | |
1108 | ||
1109 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) | |
1110 | return (-1); | |
1111 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
1112 | ||
572e2857 | 1113 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_ADD, &zc) != 0) { |
34dc7c2f BB |
1114 | switch (errno) { |
1115 | case EBUSY: | |
1116 | /* | |
1117 | * This can happen if the user has specified the same | |
1118 | * device multiple times. We can't reliably detect this | |
1119 | * until we try to add it and see we already have a | |
1120 | * label. | |
1121 | */ | |
1122 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1123 | "one or more vdevs refer to the same device")); | |
1124 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1125 | break; | |
1126 | ||
1127 | case EOVERFLOW: | |
1128 | /* | |
1129 | * This occurrs when one of the devices is below | |
1130 | * SPA_MINDEVSIZE. Unfortunately, we can't detect which | |
1131 | * device was the problem device since there's no | |
1132 | * reliable way to determine device size from userland. | |
1133 | */ | |
1134 | { | |
1135 | char buf[64]; | |
1136 | ||
1137 | zfs_nicenum(SPA_MINDEVSIZE, buf, sizeof (buf)); | |
1138 | ||
1139 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1140 | "device is less than the minimum " | |
1141 | "size (%s)"), buf); | |
1142 | } | |
1143 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1144 | break; | |
1145 | ||
1146 | case ENOTSUP: | |
1147 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1148 | "pool must be upgraded to add these vdevs")); | |
1149 | (void) zfs_error(hdl, EZFS_BADVERSION, msg); | |
1150 | break; | |
1151 | ||
1152 | case EDOM: | |
1153 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1154 | "root pool can not have multiple vdevs" | |
1155 | " or separate logs")); | |
1156 | (void) zfs_error(hdl, EZFS_POOL_NOTSUP, msg); | |
1157 | break; | |
1158 | ||
1159 | case ENOTBLK: | |
1160 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1161 | "cache device must be a disk or disk slice")); | |
1162 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
1163 | break; | |
1164 | ||
1165 | default: | |
1166 | (void) zpool_standard_error(hdl, errno, msg); | |
1167 | } | |
1168 | ||
1169 | ret = -1; | |
1170 | } else { | |
1171 | ret = 0; | |
1172 | } | |
1173 | ||
1174 | zcmd_free_nvlists(&zc); | |
1175 | ||
1176 | return (ret); | |
1177 | } | |
1178 | ||
1179 | /* | |
1180 | * Exports the pool from the system. The caller must ensure that there are no | |
1181 | * mounted datasets in the pool. | |
1182 | */ | |
1183 | int | |
fb5f0bc8 | 1184 | zpool_export_common(zpool_handle_t *zhp, boolean_t force, boolean_t hardforce) |
34dc7c2f | 1185 | { |
2598c001 | 1186 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
b128c09f | 1187 | char msg[1024]; |
34dc7c2f | 1188 | |
b128c09f BB |
1189 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, |
1190 | "cannot export '%s'"), zhp->zpool_name); | |
1191 | ||
34dc7c2f | 1192 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f | 1193 | zc.zc_cookie = force; |
fb5f0bc8 | 1194 | zc.zc_guid = hardforce; |
b128c09f BB |
1195 | |
1196 | if (zfs_ioctl(zhp->zpool_hdl, ZFS_IOC_POOL_EXPORT, &zc) != 0) { | |
1197 | switch (errno) { | |
1198 | case EXDEV: | |
1199 | zfs_error_aux(zhp->zpool_hdl, dgettext(TEXT_DOMAIN, | |
1200 | "use '-f' to override the following errors:\n" | |
1201 | "'%s' has an active shared spare which could be" | |
1202 | " used by other pools once '%s' is exported."), | |
1203 | zhp->zpool_name, zhp->zpool_name); | |
1204 | return (zfs_error(zhp->zpool_hdl, EZFS_ACTIVE_SPARE, | |
1205 | msg)); | |
1206 | default: | |
1207 | return (zpool_standard_error_fmt(zhp->zpool_hdl, errno, | |
1208 | msg)); | |
1209 | } | |
1210 | } | |
34dc7c2f | 1211 | |
34dc7c2f BB |
1212 | return (0); |
1213 | } | |
1214 | ||
fb5f0bc8 BB |
1215 | int |
1216 | zpool_export(zpool_handle_t *zhp, boolean_t force) | |
1217 | { | |
1218 | return (zpool_export_common(zhp, force, B_FALSE)); | |
1219 | } | |
1220 | ||
1221 | int | |
1222 | zpool_export_force(zpool_handle_t *zhp) | |
1223 | { | |
1224 | return (zpool_export_common(zhp, B_TRUE, B_TRUE)); | |
1225 | } | |
1226 | ||
428870ff BB |
1227 | static void |
1228 | zpool_rewind_exclaim(libzfs_handle_t *hdl, const char *name, boolean_t dryrun, | |
572e2857 | 1229 | nvlist_t *config) |
428870ff | 1230 | { |
572e2857 | 1231 | nvlist_t *nv = NULL; |
428870ff BB |
1232 | uint64_t rewindto; |
1233 | int64_t loss = -1; | |
1234 | struct tm t; | |
1235 | char timestr[128]; | |
1236 | ||
572e2857 BB |
1237 | if (!hdl->libzfs_printerr || config == NULL) |
1238 | return; | |
1239 | ||
1240 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0) | |
428870ff BB |
1241 | return; |
1242 | ||
572e2857 | 1243 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) |
428870ff | 1244 | return; |
572e2857 | 1245 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
428870ff BB |
1246 | |
1247 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1248 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1249 | if (dryrun) { |
1250 | (void) printf(dgettext(TEXT_DOMAIN, | |
1251 | "Would be able to return %s " | |
1252 | "to its state as of %s.\n"), | |
1253 | name, timestr); | |
1254 | } else { | |
1255 | (void) printf(dgettext(TEXT_DOMAIN, | |
1256 | "Pool %s returned to its state as of %s.\n"), | |
1257 | name, timestr); | |
1258 | } | |
1259 | if (loss > 120) { | |
1260 | (void) printf(dgettext(TEXT_DOMAIN, | |
1261 | "%s approximately %lld "), | |
1262 | dryrun ? "Would discard" : "Discarded", | |
b8864a23 | 1263 | ((longlong_t)loss + 30) / 60); |
428870ff BB |
1264 | (void) printf(dgettext(TEXT_DOMAIN, |
1265 | "minutes of transactions.\n")); | |
1266 | } else if (loss > 0) { | |
1267 | (void) printf(dgettext(TEXT_DOMAIN, | |
1268 | "%s approximately %lld "), | |
b8864a23 BB |
1269 | dryrun ? "Would discard" : "Discarded", |
1270 | (longlong_t)loss); | |
428870ff BB |
1271 | (void) printf(dgettext(TEXT_DOMAIN, |
1272 | "seconds of transactions.\n")); | |
1273 | } | |
1274 | } | |
1275 | } | |
1276 | ||
1277 | void | |
1278 | zpool_explain_recover(libzfs_handle_t *hdl, const char *name, int reason, | |
1279 | nvlist_t *config) | |
1280 | { | |
572e2857 | 1281 | nvlist_t *nv = NULL; |
428870ff BB |
1282 | int64_t loss = -1; |
1283 | uint64_t edata = UINT64_MAX; | |
1284 | uint64_t rewindto; | |
1285 | struct tm t; | |
1286 | char timestr[128]; | |
1287 | ||
1288 | if (!hdl->libzfs_printerr) | |
1289 | return; | |
1290 | ||
1291 | if (reason >= 0) | |
1292 | (void) printf(dgettext(TEXT_DOMAIN, "action: ")); | |
1293 | else | |
1294 | (void) printf(dgettext(TEXT_DOMAIN, "\t")); | |
1295 | ||
1296 | /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */ | |
572e2857 BB |
1297 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO, &nv) != 0 || |
1298 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_TIME, &rewindto) != 0) | |
428870ff BB |
1299 | goto no_info; |
1300 | ||
572e2857 BB |
1301 | (void) nvlist_lookup_int64(nv, ZPOOL_CONFIG_REWIND_TIME, &loss); |
1302 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_LOAD_DATA_ERRORS, | |
428870ff BB |
1303 | &edata); |
1304 | ||
1305 | (void) printf(dgettext(TEXT_DOMAIN, | |
1306 | "Recovery is possible, but will result in some data loss.\n")); | |
1307 | ||
1308 | if (localtime_r((time_t *)&rewindto, &t) != NULL && | |
b8864a23 | 1309 | strftime(timestr, 128, "%c", &t) != 0) { |
428870ff BB |
1310 | (void) printf(dgettext(TEXT_DOMAIN, |
1311 | "\tReturning the pool to its state as of %s\n" | |
1312 | "\tshould correct the problem. "), | |
1313 | timestr); | |
1314 | } else { | |
1315 | (void) printf(dgettext(TEXT_DOMAIN, | |
1316 | "\tReverting the pool to an earlier state " | |
1317 | "should correct the problem.\n\t")); | |
1318 | } | |
1319 | ||
1320 | if (loss > 120) { | |
1321 | (void) printf(dgettext(TEXT_DOMAIN, | |
1322 | "Approximately %lld minutes of data\n" | |
b8864a23 BB |
1323 | "\tmust be discarded, irreversibly. "), |
1324 | ((longlong_t)loss + 30) / 60); | |
428870ff BB |
1325 | } else if (loss > 0) { |
1326 | (void) printf(dgettext(TEXT_DOMAIN, | |
1327 | "Approximately %lld seconds of data\n" | |
b8864a23 BB |
1328 | "\tmust be discarded, irreversibly. "), |
1329 | (longlong_t)loss); | |
428870ff BB |
1330 | } |
1331 | if (edata != 0 && edata != UINT64_MAX) { | |
1332 | if (edata == 1) { | |
1333 | (void) printf(dgettext(TEXT_DOMAIN, | |
1334 | "After rewind, at least\n" | |
1335 | "\tone persistent user-data error will remain. ")); | |
1336 | } else { | |
1337 | (void) printf(dgettext(TEXT_DOMAIN, | |
1338 | "After rewind, several\n" | |
1339 | "\tpersistent user-data errors will remain. ")); | |
1340 | } | |
1341 | } | |
1342 | (void) printf(dgettext(TEXT_DOMAIN, | |
1343 | "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "), | |
1344 | reason >= 0 ? "clear" : "import", name); | |
1345 | ||
1346 | (void) printf(dgettext(TEXT_DOMAIN, | |
1347 | "A scrub of the pool\n" | |
1348 | "\tis strongly recommended after recovery.\n")); | |
1349 | return; | |
1350 | ||
1351 | no_info: | |
1352 | (void) printf(dgettext(TEXT_DOMAIN, | |
1353 | "Destroy and re-create the pool from\n\ta backup source.\n")); | |
1354 | } | |
1355 | ||
34dc7c2f BB |
1356 | /* |
1357 | * zpool_import() is a contracted interface. Should be kept the same | |
1358 | * if possible. | |
1359 | * | |
1360 | * Applications should use zpool_import_props() to import a pool with | |
1361 | * new properties value to be set. | |
1362 | */ | |
1363 | int | |
1364 | zpool_import(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
1365 | char *altroot) | |
1366 | { | |
1367 | nvlist_t *props = NULL; | |
1368 | int ret; | |
1369 | ||
1370 | if (altroot != NULL) { | |
1371 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
1372 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1373 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1374 | newname)); | |
1375 | } | |
1376 | ||
1377 | if (nvlist_add_string(props, | |
fb5f0bc8 BB |
1378 | zpool_prop_to_name(ZPOOL_PROP_ALTROOT), altroot) != 0 || |
1379 | nvlist_add_string(props, | |
1380 | zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), "none") != 0) { | |
34dc7c2f BB |
1381 | nvlist_free(props); |
1382 | return (zfs_error_fmt(hdl, EZFS_NOMEM, | |
1383 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1384 | newname)); | |
1385 | } | |
1386 | } | |
1387 | ||
572e2857 BB |
1388 | ret = zpool_import_props(hdl, config, newname, props, |
1389 | ZFS_IMPORT_NORMAL); | |
34dc7c2f BB |
1390 | if (props) |
1391 | nvlist_free(props); | |
1392 | return (ret); | |
1393 | } | |
1394 | ||
572e2857 BB |
1395 | static void |
1396 | print_vdev_tree(libzfs_handle_t *hdl, const char *name, nvlist_t *nv, | |
1397 | int indent) | |
1398 | { | |
1399 | nvlist_t **child; | |
1400 | uint_t c, children; | |
1401 | char *vname; | |
1402 | uint64_t is_log = 0; | |
1403 | ||
1404 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, | |
1405 | &is_log); | |
1406 | ||
1407 | if (name != NULL) | |
1408 | (void) printf("\t%*s%s%s\n", indent, "", name, | |
1409 | is_log ? " [log]" : ""); | |
1410 | ||
1411 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1412 | &child, &children) != 0) | |
1413 | return; | |
1414 | ||
1415 | for (c = 0; c < children; c++) { | |
1416 | vname = zpool_vdev_name(hdl, NULL, child[c], B_TRUE); | |
1417 | print_vdev_tree(hdl, vname, child[c], indent + 2); | |
1418 | free(vname); | |
1419 | } | |
1420 | } | |
1421 | ||
34dc7c2f BB |
1422 | /* |
1423 | * Import the given pool using the known configuration and a list of | |
1424 | * properties to be set. The configuration should have come from | |
1425 | * zpool_find_import(). The 'newname' parameters control whether the pool | |
1426 | * is imported with a different name. | |
1427 | */ | |
1428 | int | |
1429 | zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname, | |
572e2857 | 1430 | nvlist_t *props, int flags) |
34dc7c2f | 1431 | { |
2598c001 | 1432 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
428870ff | 1433 | zpool_rewind_policy_t policy; |
572e2857 BB |
1434 | nvlist_t *nv = NULL; |
1435 | nvlist_t *nvinfo = NULL; | |
1436 | nvlist_t *missing = NULL; | |
34dc7c2f BB |
1437 | char *thename; |
1438 | char *origname; | |
1439 | int ret; | |
572e2857 | 1440 | int error = 0; |
34dc7c2f BB |
1441 | char errbuf[1024]; |
1442 | ||
1443 | verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, | |
1444 | &origname) == 0); | |
1445 | ||
1446 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
1447 | "cannot import pool '%s'"), origname); | |
1448 | ||
1449 | if (newname != NULL) { | |
1450 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
1451 | return (zfs_error_fmt(hdl, EZFS_INVALIDNAME, | |
1452 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1453 | newname)); | |
1454 | thename = (char *)newname; | |
1455 | } else { | |
1456 | thename = origname; | |
1457 | } | |
1458 | ||
1459 | if (props) { | |
1460 | uint64_t version; | |
572e2857 | 1461 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
34dc7c2f BB |
1462 | |
1463 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, | |
1464 | &version) == 0); | |
1465 | ||
b128c09f | 1466 | if ((props = zpool_valid_proplist(hdl, origname, |
572e2857 | 1467 | props, version, flags, errbuf)) == NULL) { |
34dc7c2f BB |
1468 | return (-1); |
1469 | } else if (zcmd_write_src_nvlist(hdl, &zc, props) != 0) { | |
1470 | nvlist_free(props); | |
1471 | return (-1); | |
1472 | } | |
1473 | } | |
1474 | ||
1475 | (void) strlcpy(zc.zc_name, thename, sizeof (zc.zc_name)); | |
1476 | ||
1477 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, | |
1478 | &zc.zc_guid) == 0); | |
1479 | ||
1480 | if (zcmd_write_conf_nvlist(hdl, &zc, config) != 0) { | |
1481 | nvlist_free(props); | |
1482 | return (-1); | |
1483 | } | |
572e2857 | 1484 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zc.zc_nvlist_conf_size * 2) != 0) { |
428870ff BB |
1485 | nvlist_free(props); |
1486 | return (-1); | |
1487 | } | |
34dc7c2f | 1488 | |
572e2857 BB |
1489 | zc.zc_cookie = flags; |
1490 | while ((ret = zfs_ioctl(hdl, ZFS_IOC_POOL_IMPORT, &zc)) != 0 && | |
1491 | errno == ENOMEM) { | |
1492 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
1493 | zcmd_free_nvlists(&zc); | |
1494 | return (-1); | |
1495 | } | |
1496 | } | |
1497 | if (ret != 0) | |
1498 | error = errno; | |
1499 | ||
1500 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nv); | |
1501 | zpool_get_rewind_policy(config, &policy); | |
1502 | ||
1503 | if (error) { | |
34dc7c2f | 1504 | char desc[1024]; |
428870ff | 1505 | |
428870ff BB |
1506 | /* |
1507 | * Dry-run failed, but we print out what success | |
1508 | * looks like if we found a best txg | |
1509 | */ | |
572e2857 | 1510 | if (policy.zrp_request & ZPOOL_TRY_REWIND) { |
428870ff | 1511 | zpool_rewind_exclaim(hdl, newname ? origname : thename, |
572e2857 BB |
1512 | B_TRUE, nv); |
1513 | nvlist_free(nv); | |
428870ff BB |
1514 | return (-1); |
1515 | } | |
1516 | ||
34dc7c2f BB |
1517 | if (newname == NULL) |
1518 | (void) snprintf(desc, sizeof (desc), | |
1519 | dgettext(TEXT_DOMAIN, "cannot import '%s'"), | |
1520 | thename); | |
1521 | else | |
1522 | (void) snprintf(desc, sizeof (desc), | |
1523 | dgettext(TEXT_DOMAIN, "cannot import '%s' as '%s'"), | |
1524 | origname, thename); | |
1525 | ||
572e2857 | 1526 | switch (error) { |
34dc7c2f BB |
1527 | case ENOTSUP: |
1528 | /* | |
1529 | * Unsupported version. | |
1530 | */ | |
1531 | (void) zfs_error(hdl, EZFS_BADVERSION, desc); | |
1532 | break; | |
1533 | ||
1534 | case EINVAL: | |
1535 | (void) zfs_error(hdl, EZFS_INVALCONFIG, desc); | |
1536 | break; | |
1537 | ||
428870ff BB |
1538 | case EROFS: |
1539 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
1540 | "one or more devices is read only")); | |
1541 | (void) zfs_error(hdl, EZFS_BADDEV, desc); | |
1542 | break; | |
1543 | ||
572e2857 BB |
1544 | case ENXIO: |
1545 | if (nv && nvlist_lookup_nvlist(nv, | |
1546 | ZPOOL_CONFIG_LOAD_INFO, &nvinfo) == 0 && | |
1547 | nvlist_lookup_nvlist(nvinfo, | |
1548 | ZPOOL_CONFIG_MISSING_DEVICES, &missing) == 0) { | |
1549 | (void) printf(dgettext(TEXT_DOMAIN, | |
1550 | "The devices below are missing, use " | |
1551 | "'-m' to import the pool anyway:\n")); | |
1552 | print_vdev_tree(hdl, NULL, missing, 2); | |
1553 | (void) printf("\n"); | |
1554 | } | |
1555 | (void) zpool_standard_error(hdl, error, desc); | |
1556 | break; | |
1557 | ||
1558 | case EEXIST: | |
1559 | (void) zpool_standard_error(hdl, error, desc); | |
1560 | break; | |
1561 | ||
34dc7c2f | 1562 | default: |
572e2857 | 1563 | (void) zpool_standard_error(hdl, error, desc); |
428870ff | 1564 | zpool_explain_recover(hdl, |
572e2857 | 1565 | newname ? origname : thename, -error, nv); |
428870ff | 1566 | break; |
34dc7c2f BB |
1567 | } |
1568 | ||
572e2857 | 1569 | nvlist_free(nv); |
34dc7c2f BB |
1570 | ret = -1; |
1571 | } else { | |
1572 | zpool_handle_t *zhp; | |
1573 | ||
1574 | /* | |
1575 | * This should never fail, but play it safe anyway. | |
1576 | */ | |
428870ff | 1577 | if (zpool_open_silent(hdl, thename, &zhp) != 0) |
34dc7c2f | 1578 | ret = -1; |
428870ff | 1579 | else if (zhp != NULL) |
34dc7c2f | 1580 | zpool_close(zhp); |
428870ff BB |
1581 | if (policy.zrp_request & |
1582 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
1583 | zpool_rewind_exclaim(hdl, newname ? origname : thename, | |
572e2857 | 1584 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), nv); |
34dc7c2f | 1585 | } |
572e2857 | 1586 | nvlist_free(nv); |
428870ff | 1587 | return (0); |
34dc7c2f BB |
1588 | } |
1589 | ||
1590 | zcmd_free_nvlists(&zc); | |
1591 | nvlist_free(props); | |
1592 | ||
1593 | return (ret); | |
1594 | } | |
1595 | ||
1596 | /* | |
428870ff | 1597 | * Scan the pool. |
34dc7c2f BB |
1598 | */ |
1599 | int | |
428870ff | 1600 | zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func) |
34dc7c2f | 1601 | { |
2598c001 | 1602 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
1603 | char msg[1024]; |
1604 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
1605 | ||
1606 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
428870ff | 1607 | zc.zc_cookie = func; |
34dc7c2f | 1608 | |
572e2857 | 1609 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_SCAN, &zc) == 0 || |
428870ff | 1610 | (errno == ENOENT && func != POOL_SCAN_NONE)) |
34dc7c2f BB |
1611 | return (0); |
1612 | ||
428870ff BB |
1613 | if (func == POOL_SCAN_SCRUB) { |
1614 | (void) snprintf(msg, sizeof (msg), | |
1615 | dgettext(TEXT_DOMAIN, "cannot scrub %s"), zc.zc_name); | |
1616 | } else if (func == POOL_SCAN_NONE) { | |
1617 | (void) snprintf(msg, sizeof (msg), | |
1618 | dgettext(TEXT_DOMAIN, "cannot cancel scrubbing %s"), | |
1619 | zc.zc_name); | |
1620 | } else { | |
1621 | assert(!"unexpected result"); | |
1622 | } | |
34dc7c2f | 1623 | |
428870ff BB |
1624 | if (errno == EBUSY) { |
1625 | nvlist_t *nvroot; | |
1626 | pool_scan_stat_t *ps = NULL; | |
1627 | uint_t psc; | |
1628 | ||
1629 | verify(nvlist_lookup_nvlist(zhp->zpool_config, | |
1630 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
1631 | (void) nvlist_lookup_uint64_array(nvroot, | |
1632 | ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &psc); | |
1633 | if (ps && ps->pss_func == POOL_SCAN_SCRUB) | |
1634 | return (zfs_error(hdl, EZFS_SCRUBBING, msg)); | |
1635 | else | |
1636 | return (zfs_error(hdl, EZFS_RESILVERING, msg)); | |
1637 | } else if (errno == ENOENT) { | |
1638 | return (zfs_error(hdl, EZFS_NO_SCRUB, msg)); | |
1639 | } else { | |
34dc7c2f | 1640 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff BB |
1641 | } |
1642 | } | |
1643 | ||
1644 | /* | |
1645 | * This provides a very minimal check whether a given string is likely a | |
1646 | * c#t#d# style string. Users of this are expected to do their own | |
1647 | * verification of the s# part. | |
1648 | */ | |
1649 | #define CTD_CHECK(str) (str && str[0] == 'c' && isdigit(str[1])) | |
1650 | ||
1651 | /* | |
1652 | * More elaborate version for ones which may start with "/dev/dsk/" | |
1653 | * and the like. | |
1654 | */ | |
1655 | static int | |
1656 | ctd_check_path(char *str) { | |
1657 | /* | |
1658 | * If it starts with a slash, check the last component. | |
1659 | */ | |
1660 | if (str && str[0] == '/') { | |
1661 | char *tmp = strrchr(str, '/'); | |
1662 | ||
1663 | /* | |
1664 | * If it ends in "/old", check the second-to-last | |
1665 | * component of the string instead. | |
1666 | */ | |
1667 | if (tmp != str && strcmp(tmp, "/old") == 0) { | |
1668 | for (tmp--; *tmp != '/'; tmp--) | |
1669 | ; | |
1670 | } | |
1671 | str = tmp + 1; | |
1672 | } | |
1673 | return (CTD_CHECK(str)); | |
34dc7c2f BB |
1674 | } |
1675 | ||
1676 | /* | |
9babb374 BB |
1677 | * Find a vdev that matches the search criteria specified. We use the |
1678 | * the nvpair name to determine how we should look for the device. | |
34dc7c2f BB |
1679 | * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL |
1680 | * spare; but FALSE if its an INUSE spare. | |
1681 | */ | |
1682 | static nvlist_t * | |
9babb374 BB |
1683 | vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare, |
1684 | boolean_t *l2cache, boolean_t *log) | |
34dc7c2f BB |
1685 | { |
1686 | uint_t c, children; | |
1687 | nvlist_t **child; | |
34dc7c2f | 1688 | nvlist_t *ret; |
b128c09f | 1689 | uint64_t is_log; |
9babb374 BB |
1690 | char *srchkey; |
1691 | nvpair_t *pair = nvlist_next_nvpair(search, NULL); | |
1692 | ||
1693 | /* Nothing to look for */ | |
1694 | if (search == NULL || pair == NULL) | |
1695 | return (NULL); | |
1696 | ||
1697 | /* Obtain the key we will use to search */ | |
1698 | srchkey = nvpair_name(pair); | |
1699 | ||
1700 | switch (nvpair_type(pair)) { | |
572e2857 | 1701 | case DATA_TYPE_UINT64: |
9babb374 | 1702 | if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) { |
572e2857 BB |
1703 | uint64_t srchval, theguid; |
1704 | ||
1705 | verify(nvpair_value_uint64(pair, &srchval) == 0); | |
1706 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
1707 | &theguid) == 0); | |
1708 | if (theguid == srchval) | |
1709 | return (nv); | |
9babb374 BB |
1710 | } |
1711 | break; | |
9babb374 BB |
1712 | |
1713 | case DATA_TYPE_STRING: { | |
1714 | char *srchval, *val; | |
1715 | ||
1716 | verify(nvpair_value_string(pair, &srchval) == 0); | |
1717 | if (nvlist_lookup_string(nv, srchkey, &val) != 0) | |
1718 | break; | |
34dc7c2f | 1719 | |
9babb374 | 1720 | /* |
428870ff BB |
1721 | * Search for the requested value. Special cases: |
1722 | * | |
1723 | * - ZPOOL_CONFIG_PATH for whole disk entries. These end in | |
1724 | * "s0" or "s0/old". The "s0" part is hidden from the user, | |
1725 | * but included in the string, so this matches around it. | |
1726 | * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE). | |
1727 | * | |
1728 | * Otherwise, all other searches are simple string compares. | |
9babb374 | 1729 | */ |
428870ff BB |
1730 | if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0 && |
1731 | ctd_check_path(val)) { | |
9babb374 BB |
1732 | uint64_t wholedisk = 0; |
1733 | ||
1734 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
1735 | &wholedisk); | |
1736 | if (wholedisk) { | |
428870ff BB |
1737 | int slen = strlen(srchval); |
1738 | int vlen = strlen(val); | |
1739 | ||
1740 | if (slen != vlen - 2) | |
1741 | break; | |
1742 | ||
1743 | /* | |
1744 | * make_leaf_vdev() should only set | |
1745 | * wholedisk for ZPOOL_CONFIG_PATHs which | |
1746 | * will include "/dev/dsk/", giving plenty of | |
1747 | * room for the indices used next. | |
1748 | */ | |
1749 | ASSERT(vlen >= 6); | |
1750 | ||
9babb374 | 1751 | /* |
428870ff | 1752 | * strings identical except trailing "s0" |
9babb374 | 1753 | */ |
428870ff BB |
1754 | if (strcmp(&val[vlen - 2], "s0") == 0 && |
1755 | strncmp(srchval, val, slen) == 0) | |
9babb374 | 1756 | return (nv); |
428870ff BB |
1757 | |
1758 | /* | |
1759 | * strings identical except trailing "s0/old" | |
1760 | */ | |
1761 | if (strcmp(&val[vlen - 6], "s0/old") == 0 && | |
1762 | strcmp(&srchval[slen - 4], "/old") == 0 && | |
1763 | strncmp(srchval, val, slen - 4) == 0) | |
1764 | return (nv); | |
1765 | ||
9babb374 BB |
1766 | break; |
1767 | } | |
428870ff BB |
1768 | } else if (strcmp(srchkey, ZPOOL_CONFIG_TYPE) == 0 && val) { |
1769 | char *type, *idx, *end, *p; | |
1770 | uint64_t id, vdev_id; | |
1771 | ||
1772 | /* | |
1773 | * Determine our vdev type, keeping in mind | |
1774 | * that the srchval is composed of a type and | |
1775 | * vdev id pair (i.e. mirror-4). | |
1776 | */ | |
1777 | if ((type = strdup(srchval)) == NULL) | |
1778 | return (NULL); | |
1779 | ||
1780 | if ((p = strrchr(type, '-')) == NULL) { | |
1781 | free(type); | |
1782 | break; | |
1783 | } | |
1784 | idx = p + 1; | |
1785 | *p = '\0'; | |
1786 | ||
1787 | /* | |
1788 | * If the types don't match then keep looking. | |
1789 | */ | |
1790 | if (strncmp(val, type, strlen(val)) != 0) { | |
1791 | free(type); | |
1792 | break; | |
1793 | } | |
1794 | ||
1795 | verify(strncmp(type, VDEV_TYPE_RAIDZ, | |
1796 | strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
1797 | strncmp(type, VDEV_TYPE_MIRROR, | |
1798 | strlen(VDEV_TYPE_MIRROR)) == 0); | |
1799 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
1800 | &id) == 0); | |
1801 | ||
1802 | errno = 0; | |
1803 | vdev_id = strtoull(idx, &end, 10); | |
1804 | ||
1805 | free(type); | |
1806 | if (errno != 0) | |
1807 | return (NULL); | |
1808 | ||
1809 | /* | |
1810 | * Now verify that we have the correct vdev id. | |
1811 | */ | |
1812 | if (vdev_id == id) | |
1813 | return (nv); | |
9babb374 | 1814 | } |
34dc7c2f | 1815 | |
34dc7c2f | 1816 | /* |
9babb374 | 1817 | * Common case |
34dc7c2f | 1818 | */ |
9babb374 | 1819 | if (strcmp(srchval, val) == 0) |
34dc7c2f | 1820 | return (nv); |
9babb374 BB |
1821 | break; |
1822 | } | |
1823 | ||
1824 | default: | |
1825 | break; | |
34dc7c2f BB |
1826 | } |
1827 | ||
1828 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1829 | &child, &children) != 0) | |
1830 | return (NULL); | |
1831 | ||
b128c09f | 1832 | for (c = 0; c < children; c++) { |
9babb374 | 1833 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f BB |
1834 | avail_spare, l2cache, NULL)) != NULL) { |
1835 | /* | |
1836 | * The 'is_log' value is only set for the toplevel | |
1837 | * vdev, not the leaf vdevs. So we always lookup the | |
1838 | * log device from the root of the vdev tree (where | |
1839 | * 'log' is non-NULL). | |
1840 | */ | |
1841 | if (log != NULL && | |
1842 | nvlist_lookup_uint64(child[c], | |
1843 | ZPOOL_CONFIG_IS_LOG, &is_log) == 0 && | |
1844 | is_log) { | |
1845 | *log = B_TRUE; | |
1846 | } | |
34dc7c2f | 1847 | return (ret); |
b128c09f BB |
1848 | } |
1849 | } | |
34dc7c2f BB |
1850 | |
1851 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
1852 | &child, &children) == 0) { | |
1853 | for (c = 0; c < children; c++) { | |
9babb374 | 1854 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 1855 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
1856 | *avail_spare = B_TRUE; |
1857 | return (ret); | |
1858 | } | |
1859 | } | |
1860 | } | |
1861 | ||
1862 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
1863 | &child, &children) == 0) { | |
1864 | for (c = 0; c < children; c++) { | |
9babb374 | 1865 | if ((ret = vdev_to_nvlist_iter(child[c], search, |
b128c09f | 1866 | avail_spare, l2cache, NULL)) != NULL) { |
34dc7c2f BB |
1867 | *l2cache = B_TRUE; |
1868 | return (ret); | |
1869 | } | |
1870 | } | |
1871 | } | |
1872 | ||
1873 | return (NULL); | |
1874 | } | |
1875 | ||
9babb374 BB |
1876 | /* |
1877 | * Given a physical path (minus the "/devices" prefix), find the | |
1878 | * associated vdev. | |
1879 | */ | |
1880 | nvlist_t * | |
1881 | zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath, | |
1882 | boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log) | |
1883 | { | |
1884 | nvlist_t *search, *nvroot, *ret; | |
1885 | ||
1886 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); | |
1887 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0); | |
1888 | ||
1889 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
1890 | &nvroot) == 0); | |
1891 | ||
1892 | *avail_spare = B_FALSE; | |
572e2857 BB |
1893 | *l2cache = B_FALSE; |
1894 | if (log != NULL) | |
1895 | *log = B_FALSE; | |
9babb374 BB |
1896 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
1897 | nvlist_free(search); | |
1898 | ||
1899 | return (ret); | |
1900 | } | |
1901 | ||
428870ff BB |
1902 | /* |
1903 | * Determine if we have an "interior" top-level vdev (i.e mirror/raidz). | |
1904 | */ | |
1905 | boolean_t | |
1906 | zpool_vdev_is_interior(const char *name) | |
1907 | { | |
1908 | if (strncmp(name, VDEV_TYPE_RAIDZ, strlen(VDEV_TYPE_RAIDZ)) == 0 || | |
1909 | strncmp(name, VDEV_TYPE_MIRROR, strlen(VDEV_TYPE_MIRROR)) == 0) | |
1910 | return (B_TRUE); | |
1911 | return (B_FALSE); | |
1912 | } | |
1913 | ||
34dc7c2f BB |
1914 | nvlist_t * |
1915 | zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare, | |
b128c09f | 1916 | boolean_t *l2cache, boolean_t *log) |
34dc7c2f BB |
1917 | { |
1918 | char buf[MAXPATHLEN]; | |
34dc7c2f | 1919 | char *end; |
9babb374 | 1920 | nvlist_t *nvroot, *search, *ret; |
34dc7c2f BB |
1921 | uint64_t guid; |
1922 | ||
9babb374 BB |
1923 | verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
1924 | ||
34dc7c2f BB |
1925 | guid = strtoull(path, &end, 10); |
1926 | if (guid != 0 && *end == '\0') { | |
9babb374 | 1927 | verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0); |
428870ff BB |
1928 | } else if (zpool_vdev_is_interior(path)) { |
1929 | verify(nvlist_add_string(search, ZPOOL_CONFIG_TYPE, path) == 0); | |
34dc7c2f BB |
1930 | } else if (path[0] != '/') { |
1931 | (void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path); | |
9babb374 | 1932 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0); |
34dc7c2f | 1933 | } else { |
9babb374 | 1934 | verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0); |
34dc7c2f BB |
1935 | } |
1936 | ||
1937 | verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE, | |
1938 | &nvroot) == 0); | |
1939 | ||
1940 | *avail_spare = B_FALSE; | |
1941 | *l2cache = B_FALSE; | |
b128c09f BB |
1942 | if (log != NULL) |
1943 | *log = B_FALSE; | |
9babb374 BB |
1944 | ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log); |
1945 | nvlist_free(search); | |
1946 | ||
1947 | return (ret); | |
b128c09f BB |
1948 | } |
1949 | ||
1950 | static int | |
1951 | vdev_online(nvlist_t *nv) | |
1952 | { | |
1953 | uint64_t ival; | |
1954 | ||
1955 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || | |
1956 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || | |
1957 | nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) | |
1958 | return (0); | |
1959 | ||
1960 | return (1); | |
1961 | } | |
1962 | ||
1963 | /* | |
9babb374 | 1964 | * Helper function for zpool_get_physpaths(). |
b128c09f | 1965 | */ |
9babb374 BB |
1966 | static int |
1967 | vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size, | |
1968 | size_t *bytes_written) | |
1969 | { | |
1970 | size_t bytes_left, pos, rsz; | |
1971 | char *tmppath; | |
1972 | const char *format; | |
1973 | ||
1974 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH, | |
1975 | &tmppath) != 0) | |
1976 | return (EZFS_NODEVICE); | |
1977 | ||
1978 | pos = *bytes_written; | |
1979 | bytes_left = physpath_size - pos; | |
1980 | format = (pos == 0) ? "%s" : " %s"; | |
1981 | ||
1982 | rsz = snprintf(physpath + pos, bytes_left, format, tmppath); | |
1983 | *bytes_written += rsz; | |
1984 | ||
1985 | if (rsz >= bytes_left) { | |
1986 | /* if physpath was not copied properly, clear it */ | |
1987 | if (bytes_left != 0) { | |
1988 | physpath[pos] = 0; | |
1989 | } | |
1990 | return (EZFS_NOSPC); | |
1991 | } | |
1992 | return (0); | |
1993 | } | |
1994 | ||
1995 | static int | |
1996 | vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size, | |
1997 | size_t *rsz, boolean_t is_spare) | |
1998 | { | |
1999 | char *type; | |
2000 | int ret; | |
2001 | ||
2002 | if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0) | |
2003 | return (EZFS_INVALCONFIG); | |
2004 | ||
2005 | if (strcmp(type, VDEV_TYPE_DISK) == 0) { | |
2006 | /* | |
2007 | * An active spare device has ZPOOL_CONFIG_IS_SPARE set. | |
2008 | * For a spare vdev, we only want to boot from the active | |
2009 | * spare device. | |
2010 | */ | |
2011 | if (is_spare) { | |
2012 | uint64_t spare = 0; | |
2013 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE, | |
2014 | &spare); | |
2015 | if (!spare) | |
2016 | return (EZFS_INVALCONFIG); | |
2017 | } | |
2018 | ||
2019 | if (vdev_online(nv)) { | |
2020 | if ((ret = vdev_get_one_physpath(nv, physpath, | |
2021 | phypath_size, rsz)) != 0) | |
2022 | return (ret); | |
2023 | } | |
2024 | } else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 || | |
2025 | strcmp(type, VDEV_TYPE_REPLACING) == 0 || | |
2026 | (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) { | |
2027 | nvlist_t **child; | |
2028 | uint_t count; | |
2029 | int i, ret; | |
2030 | ||
2031 | if (nvlist_lookup_nvlist_array(nv, | |
2032 | ZPOOL_CONFIG_CHILDREN, &child, &count) != 0) | |
2033 | return (EZFS_INVALCONFIG); | |
2034 | ||
2035 | for (i = 0; i < count; i++) { | |
2036 | ret = vdev_get_physpaths(child[i], physpath, | |
2037 | phypath_size, rsz, is_spare); | |
2038 | if (ret == EZFS_NOSPC) | |
2039 | return (ret); | |
2040 | } | |
2041 | } | |
2042 | ||
2043 | return (EZFS_POOL_INVALARG); | |
2044 | } | |
2045 | ||
2046 | /* | |
2047 | * Get phys_path for a root pool config. | |
2048 | * Return 0 on success; non-zero on failure. | |
2049 | */ | |
2050 | static int | |
2051 | zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size) | |
b128c09f | 2052 | { |
9babb374 | 2053 | size_t rsz; |
b128c09f BB |
2054 | nvlist_t *vdev_root; |
2055 | nvlist_t **child; | |
2056 | uint_t count; | |
9babb374 | 2057 | char *type; |
b128c09f | 2058 | |
9babb374 | 2059 | rsz = 0; |
b128c09f | 2060 | |
9babb374 BB |
2061 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
2062 | &vdev_root) != 0) | |
2063 | return (EZFS_INVALCONFIG); | |
b128c09f | 2064 | |
9babb374 BB |
2065 | if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 || |
2066 | nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN, | |
b128c09f | 2067 | &child, &count) != 0) |
9babb374 | 2068 | return (EZFS_INVALCONFIG); |
b128c09f | 2069 | |
9babb374 BB |
2070 | /* |
2071 | * root pool can not have EFI labeled disks and can only have | |
2072 | * a single top-level vdev. | |
2073 | */ | |
2074 | if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 || | |
2075 | pool_uses_efi(vdev_root)) | |
2076 | return (EZFS_POOL_INVALARG); | |
b128c09f | 2077 | |
9babb374 BB |
2078 | (void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz, |
2079 | B_FALSE); | |
2080 | ||
2081 | /* No online devices */ | |
2082 | if (rsz == 0) | |
2083 | return (EZFS_NODEVICE); | |
b128c09f BB |
2084 | |
2085 | return (0); | |
34dc7c2f BB |
2086 | } |
2087 | ||
9babb374 BB |
2088 | /* |
2089 | * Get phys_path for a root pool | |
2090 | * Return 0 on success; non-zero on failure. | |
2091 | */ | |
2092 | int | |
2093 | zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size) | |
2094 | { | |
2095 | return (zpool_get_config_physpath(zhp->zpool_config, physpath, | |
2096 | phypath_size)); | |
2097 | } | |
2098 | ||
9babb374 BB |
2099 | /* |
2100 | * If the device has being dynamically expanded then we need to relabel | |
2101 | * the disk to use the new unallocated space. | |
2102 | */ | |
2103 | static int | |
2104 | zpool_relabel_disk(libzfs_handle_t *hdl, const char *name) | |
2105 | { | |
2106 | char path[MAXPATHLEN]; | |
2107 | char errbuf[1024]; | |
2108 | int fd, error; | |
2109 | int (*_efi_use_whole_disk)(int); | |
2110 | ||
2111 | if ((_efi_use_whole_disk = (int (*)(int))dlsym(RTLD_DEFAULT, | |
2112 | "efi_use_whole_disk")) == NULL) | |
2113 | return (-1); | |
2114 | ||
2115 | (void) snprintf(path, sizeof (path), "%s/%s", RDISK_ROOT, name); | |
2116 | ||
2117 | if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { | |
2118 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " | |
2119 | "relabel '%s': unable to open device"), name); | |
2120 | return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); | |
2121 | } | |
2122 | ||
2123 | /* | |
2124 | * It's possible that we might encounter an error if the device | |
2125 | * does not have any unallocated space left. If so, we simply | |
2126 | * ignore that error and continue on. | |
2127 | */ | |
2128 | error = _efi_use_whole_disk(fd); | |
2129 | (void) close(fd); | |
2130 | if (error && error != VT_ENOSPC) { | |
2131 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot " | |
2132 | "relabel '%s': unable to read disk capacity"), name); | |
2133 | return (zfs_error(hdl, EZFS_NOCAP, errbuf)); | |
2134 | } | |
2135 | return (0); | |
2136 | } | |
2137 | ||
34dc7c2f BB |
2138 | /* |
2139 | * Bring the specified vdev online. The 'flags' parameter is a set of the | |
2140 | * ZFS_ONLINE_* flags. | |
2141 | */ | |
2142 | int | |
2143 | zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags, | |
2144 | vdev_state_t *newstate) | |
2145 | { | |
2598c001 | 2146 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2147 | char msg[1024]; |
2148 | nvlist_t *tgt; | |
9babb374 | 2149 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f BB |
2150 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
2151 | ||
9babb374 BB |
2152 | if (flags & ZFS_ONLINE_EXPAND) { |
2153 | (void) snprintf(msg, sizeof (msg), | |
2154 | dgettext(TEXT_DOMAIN, "cannot expand %s"), path); | |
2155 | } else { | |
2156 | (void) snprintf(msg, sizeof (msg), | |
2157 | dgettext(TEXT_DOMAIN, "cannot online %s"), path); | |
2158 | } | |
34dc7c2f BB |
2159 | |
2160 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 2161 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
9babb374 | 2162 | &islog)) == NULL) |
34dc7c2f BB |
2163 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2164 | ||
2165 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2166 | ||
428870ff | 2167 | if (avail_spare) |
34dc7c2f BB |
2168 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2169 | ||
9babb374 BB |
2170 | if (flags & ZFS_ONLINE_EXPAND || |
2171 | zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) { | |
2172 | char *pathname = NULL; | |
2173 | uint64_t wholedisk = 0; | |
2174 | ||
2175 | (void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK, | |
2176 | &wholedisk); | |
2177 | verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH, | |
2178 | &pathname) == 0); | |
2179 | ||
2180 | /* | |
2181 | * XXX - L2ARC 1.0 devices can't support expansion. | |
2182 | */ | |
2183 | if (l2cache) { | |
2184 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2185 | "cannot expand cache devices")); | |
2186 | return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg)); | |
2187 | } | |
2188 | ||
2189 | if (wholedisk) { | |
2190 | pathname += strlen(DISK_ROOT) + 1; | |
572e2857 | 2191 | (void) zpool_relabel_disk(hdl, pathname); |
9babb374 BB |
2192 | } |
2193 | } | |
2194 | ||
34dc7c2f BB |
2195 | zc.zc_cookie = VDEV_STATE_ONLINE; |
2196 | zc.zc_obj = flags; | |
2197 | ||
572e2857 | 2198 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) != 0) { |
428870ff BB |
2199 | if (errno == EINVAL) { |
2200 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "was split " | |
2201 | "from this pool into a new one. Use '%s' " | |
2202 | "instead"), "zpool detach"); | |
2203 | return (zfs_error(hdl, EZFS_POSTSPLIT_ONLINE, msg)); | |
2204 | } | |
34dc7c2f | 2205 | return (zpool_standard_error(hdl, errno, msg)); |
428870ff | 2206 | } |
34dc7c2f BB |
2207 | |
2208 | *newstate = zc.zc_cookie; | |
2209 | return (0); | |
2210 | } | |
2211 | ||
2212 | /* | |
2213 | * Take the specified vdev offline | |
2214 | */ | |
2215 | int | |
2216 | zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp) | |
2217 | { | |
2598c001 | 2218 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2219 | char msg[1024]; |
2220 | nvlist_t *tgt; | |
2221 | boolean_t avail_spare, l2cache; | |
2222 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2223 | ||
2224 | (void) snprintf(msg, sizeof (msg), | |
2225 | dgettext(TEXT_DOMAIN, "cannot offline %s"), path); | |
2226 | ||
2227 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2228 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2229 | NULL)) == NULL) | |
34dc7c2f BB |
2230 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2231 | ||
2232 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2233 | ||
428870ff | 2234 | if (avail_spare) |
34dc7c2f BB |
2235 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); |
2236 | ||
34dc7c2f BB |
2237 | zc.zc_cookie = VDEV_STATE_OFFLINE; |
2238 | zc.zc_obj = istmp ? ZFS_OFFLINE_TEMPORARY : 0; | |
2239 | ||
572e2857 | 2240 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2241 | return (0); |
2242 | ||
2243 | switch (errno) { | |
2244 | case EBUSY: | |
2245 | ||
2246 | /* | |
2247 | * There are no other replicas of this device. | |
2248 | */ | |
2249 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2250 | ||
9babb374 BB |
2251 | case EEXIST: |
2252 | /* | |
2253 | * The log device has unplayed logs | |
2254 | */ | |
2255 | return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg)); | |
2256 | ||
34dc7c2f BB |
2257 | default: |
2258 | return (zpool_standard_error(hdl, errno, msg)); | |
2259 | } | |
2260 | } | |
2261 | ||
2262 | /* | |
2263 | * Mark the given vdev faulted. | |
2264 | */ | |
2265 | int | |
428870ff | 2266 | zpool_vdev_fault(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2267 | { |
2598c001 | 2268 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2269 | char msg[1024]; |
2270 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2271 | ||
2272 | (void) snprintf(msg, sizeof (msg), | |
b8864a23 | 2273 | dgettext(TEXT_DOMAIN, "cannot fault %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2274 | |
2275 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2276 | zc.zc_guid = guid; | |
2277 | zc.zc_cookie = VDEV_STATE_FAULTED; | |
428870ff | 2278 | zc.zc_obj = aux; |
34dc7c2f | 2279 | |
572e2857 | 2280 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2281 | return (0); |
2282 | ||
2283 | switch (errno) { | |
2284 | case EBUSY: | |
2285 | ||
2286 | /* | |
2287 | * There are no other replicas of this device. | |
2288 | */ | |
2289 | return (zfs_error(hdl, EZFS_NOREPLICAS, msg)); | |
2290 | ||
2291 | default: | |
2292 | return (zpool_standard_error(hdl, errno, msg)); | |
2293 | } | |
2294 | ||
2295 | } | |
2296 | ||
2297 | /* | |
2298 | * Mark the given vdev degraded. | |
2299 | */ | |
2300 | int | |
428870ff | 2301 | zpool_vdev_degrade(zpool_handle_t *zhp, uint64_t guid, vdev_aux_t aux) |
34dc7c2f | 2302 | { |
2598c001 | 2303 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2304 | char msg[1024]; |
2305 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2306 | ||
2307 | (void) snprintf(msg, sizeof (msg), | |
b8864a23 | 2308 | dgettext(TEXT_DOMAIN, "cannot degrade %llu"), (u_longlong_t)guid); |
34dc7c2f BB |
2309 | |
2310 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2311 | zc.zc_guid = guid; | |
2312 | zc.zc_cookie = VDEV_STATE_DEGRADED; | |
428870ff | 2313 | zc.zc_obj = aux; |
34dc7c2f | 2314 | |
572e2857 | 2315 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_VDEV_SET_STATE, &zc) == 0) |
34dc7c2f BB |
2316 | return (0); |
2317 | ||
2318 | return (zpool_standard_error(hdl, errno, msg)); | |
2319 | } | |
2320 | ||
2321 | /* | |
2322 | * Returns TRUE if the given nvlist is a vdev that was originally swapped in as | |
2323 | * a hot spare. | |
2324 | */ | |
2325 | static boolean_t | |
2326 | is_replacing_spare(nvlist_t *search, nvlist_t *tgt, int which) | |
2327 | { | |
2328 | nvlist_t **child; | |
2329 | uint_t c, children; | |
2330 | char *type; | |
2331 | ||
2332 | if (nvlist_lookup_nvlist_array(search, ZPOOL_CONFIG_CHILDREN, &child, | |
2333 | &children) == 0) { | |
2334 | verify(nvlist_lookup_string(search, ZPOOL_CONFIG_TYPE, | |
2335 | &type) == 0); | |
2336 | ||
2337 | if (strcmp(type, VDEV_TYPE_SPARE) == 0 && | |
2338 | children == 2 && child[which] == tgt) | |
2339 | return (B_TRUE); | |
2340 | ||
2341 | for (c = 0; c < children; c++) | |
2342 | if (is_replacing_spare(child[c], tgt, which)) | |
2343 | return (B_TRUE); | |
2344 | } | |
2345 | ||
2346 | return (B_FALSE); | |
2347 | } | |
2348 | ||
2349 | /* | |
2350 | * Attach new_disk (fully described by nvroot) to old_disk. | |
2351 | * If 'replacing' is specified, the new disk will replace the old one. | |
2352 | */ | |
2353 | int | |
2354 | zpool_vdev_attach(zpool_handle_t *zhp, | |
2355 | const char *old_disk, const char *new_disk, nvlist_t *nvroot, int replacing) | |
2356 | { | |
2598c001 | 2357 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2358 | char msg[1024]; |
2359 | int ret; | |
2360 | nvlist_t *tgt; | |
b128c09f BB |
2361 | boolean_t avail_spare, l2cache, islog; |
2362 | uint64_t val; | |
572e2857 | 2363 | char *newname; |
34dc7c2f BB |
2364 | nvlist_t **child; |
2365 | uint_t children; | |
2366 | nvlist_t *config_root; | |
2367 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
b128c09f | 2368 | boolean_t rootpool = pool_is_bootable(zhp); |
34dc7c2f BB |
2369 | |
2370 | if (replacing) | |
2371 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2372 | "cannot replace %s with %s"), old_disk, new_disk); | |
2373 | else | |
2374 | (void) snprintf(msg, sizeof (msg), dgettext(TEXT_DOMAIN, | |
2375 | "cannot attach %s to %s"), new_disk, old_disk); | |
2376 | ||
b128c09f BB |
2377 | /* |
2378 | * If this is a root pool, make sure that we're not attaching an | |
2379 | * EFI labeled device. | |
2380 | */ | |
2381 | if (rootpool && pool_uses_efi(nvroot)) { | |
2382 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2383 | "EFI labeled devices are not supported on root pools.")); | |
2384 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, msg)); | |
2385 | } | |
2386 | ||
34dc7c2f | 2387 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); |
b128c09f BB |
2388 | if ((tgt = zpool_find_vdev(zhp, old_disk, &avail_spare, &l2cache, |
2389 | &islog)) == 0) | |
34dc7c2f BB |
2390 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2391 | ||
2392 | if (avail_spare) | |
2393 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2394 | ||
2395 | if (l2cache) | |
2396 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2397 | ||
2398 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2399 | zc.zc_cookie = replacing; | |
2400 | ||
2401 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
2402 | &child, &children) != 0 || children != 1) { | |
2403 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2404 | "new device must be a single disk")); | |
2405 | return (zfs_error(hdl, EZFS_INVALCONFIG, msg)); | |
2406 | } | |
2407 | ||
2408 | verify(nvlist_lookup_nvlist(zpool_get_config(zhp, NULL), | |
2409 | ZPOOL_CONFIG_VDEV_TREE, &config_root) == 0); | |
2410 | ||
428870ff | 2411 | if ((newname = zpool_vdev_name(NULL, NULL, child[0], B_FALSE)) == NULL) |
b128c09f BB |
2412 | return (-1); |
2413 | ||
34dc7c2f BB |
2414 | /* |
2415 | * If the target is a hot spare that has been swapped in, we can only | |
2416 | * replace it with another hot spare. | |
2417 | */ | |
2418 | if (replacing && | |
2419 | nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_IS_SPARE, &val) == 0 && | |
b128c09f BB |
2420 | (zpool_find_vdev(zhp, newname, &avail_spare, &l2cache, |
2421 | NULL) == NULL || !avail_spare) && | |
2422 | is_replacing_spare(config_root, tgt, 1)) { | |
34dc7c2f BB |
2423 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2424 | "can only be replaced by another hot spare")); | |
b128c09f | 2425 | free(newname); |
34dc7c2f BB |
2426 | return (zfs_error(hdl, EZFS_BADTARGET, msg)); |
2427 | } | |
2428 | ||
b128c09f BB |
2429 | free(newname); |
2430 | ||
34dc7c2f BB |
2431 | if (zcmd_write_conf_nvlist(hdl, &zc, nvroot) != 0) |
2432 | return (-1); | |
2433 | ||
572e2857 | 2434 | ret = zfs_ioctl(hdl, ZFS_IOC_VDEV_ATTACH, &zc); |
34dc7c2f BB |
2435 | |
2436 | zcmd_free_nvlists(&zc); | |
2437 | ||
b128c09f BB |
2438 | if (ret == 0) { |
2439 | if (rootpool) { | |
9babb374 BB |
2440 | /* |
2441 | * XXX need a better way to prevent user from | |
2442 | * booting up a half-baked vdev. | |
2443 | */ | |
2444 | (void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make " | |
2445 | "sure to wait until resilver is done " | |
2446 | "before rebooting.\n")); | |
b128c09f | 2447 | } |
34dc7c2f | 2448 | return (0); |
b128c09f | 2449 | } |
34dc7c2f BB |
2450 | |
2451 | switch (errno) { | |
2452 | case ENOTSUP: | |
2453 | /* | |
2454 | * Can't attach to or replace this type of vdev. | |
2455 | */ | |
2456 | if (replacing) { | |
572e2857 BB |
2457 | uint64_t version = zpool_get_prop_int(zhp, |
2458 | ZPOOL_PROP_VERSION, NULL); | |
2459 | ||
b128c09f | 2460 | if (islog) |
34dc7c2f BB |
2461 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
2462 | "cannot replace a log with a spare")); | |
572e2857 BB |
2463 | else if (version >= SPA_VERSION_MULTI_REPLACE) |
2464 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2465 | "already in replacing/spare config; wait " | |
2466 | "for completion or use 'zpool detach'")); | |
34dc7c2f BB |
2467 | else |
2468 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2469 | "cannot replace a replacing device")); | |
2470 | } else { | |
2471 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2472 | "can only attach to mirrors and top-level " | |
2473 | "disks")); | |
2474 | } | |
2475 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); | |
2476 | break; | |
2477 | ||
2478 | case EINVAL: | |
2479 | /* | |
2480 | * The new device must be a single disk. | |
2481 | */ | |
2482 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2483 | "new device must be a single disk")); | |
2484 | (void) zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2485 | break; | |
2486 | ||
2487 | case EBUSY: | |
2488 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "%s is busy"), | |
2489 | new_disk); | |
2490 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2491 | break; | |
2492 | ||
2493 | case EOVERFLOW: | |
2494 | /* | |
2495 | * The new device is too small. | |
2496 | */ | |
2497 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2498 | "device is too small")); | |
2499 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2500 | break; | |
2501 | ||
2502 | case EDOM: | |
2503 | /* | |
2504 | * The new device has a different alignment requirement. | |
2505 | */ | |
2506 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2507 | "devices have different sector alignment")); | |
2508 | (void) zfs_error(hdl, EZFS_BADDEV, msg); | |
2509 | break; | |
2510 | ||
2511 | case ENAMETOOLONG: | |
2512 | /* | |
2513 | * The resulting top-level vdev spec won't fit in the label. | |
2514 | */ | |
2515 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, msg); | |
2516 | break; | |
2517 | ||
2518 | default: | |
2519 | (void) zpool_standard_error(hdl, errno, msg); | |
2520 | } | |
2521 | ||
2522 | return (-1); | |
2523 | } | |
2524 | ||
2525 | /* | |
2526 | * Detach the specified device. | |
2527 | */ | |
2528 | int | |
2529 | zpool_vdev_detach(zpool_handle_t *zhp, const char *path) | |
2530 | { | |
2598c001 | 2531 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2532 | char msg[1024]; |
2533 | nvlist_t *tgt; | |
2534 | boolean_t avail_spare, l2cache; | |
2535 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2536 | ||
2537 | (void) snprintf(msg, sizeof (msg), | |
2538 | dgettext(TEXT_DOMAIN, "cannot detach %s"), path); | |
2539 | ||
2540 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f BB |
2541 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
2542 | NULL)) == 0) | |
34dc7c2f BB |
2543 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2544 | ||
2545 | if (avail_spare) | |
2546 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2547 | ||
2548 | if (l2cache) | |
2549 | return (zfs_error(hdl, EZFS_ISL2CACHE, msg)); | |
2550 | ||
2551 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); | |
2552 | ||
2553 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_DETACH, &zc) == 0) | |
2554 | return (0); | |
2555 | ||
2556 | switch (errno) { | |
2557 | ||
2558 | case ENOTSUP: | |
2559 | /* | |
2560 | * Can't detach from this type of vdev. | |
2561 | */ | |
2562 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "only " | |
2563 | "applicable to mirror and replacing vdevs")); | |
572e2857 | 2564 | (void) zfs_error(hdl, EZFS_BADTARGET, msg); |
34dc7c2f BB |
2565 | break; |
2566 | ||
2567 | case EBUSY: | |
2568 | /* | |
2569 | * There are no other replicas of this device. | |
2570 | */ | |
2571 | (void) zfs_error(hdl, EZFS_NOREPLICAS, msg); | |
2572 | break; | |
2573 | ||
2574 | default: | |
2575 | (void) zpool_standard_error(hdl, errno, msg); | |
2576 | } | |
2577 | ||
2578 | return (-1); | |
2579 | } | |
2580 | ||
428870ff BB |
2581 | /* |
2582 | * Find a mirror vdev in the source nvlist. | |
2583 | * | |
2584 | * The mchild array contains a list of disks in one of the top-level mirrors | |
2585 | * of the source pool. The schild array contains a list of disks that the | |
2586 | * user specified on the command line. We loop over the mchild array to | |
2587 | * see if any entry in the schild array matches. | |
2588 | * | |
2589 | * If a disk in the mchild array is found in the schild array, we return | |
2590 | * the index of that entry. Otherwise we return -1. | |
2591 | */ | |
2592 | static int | |
2593 | find_vdev_entry(zpool_handle_t *zhp, nvlist_t **mchild, uint_t mchildren, | |
2594 | nvlist_t **schild, uint_t schildren) | |
2595 | { | |
2596 | uint_t mc; | |
2597 | ||
2598 | for (mc = 0; mc < mchildren; mc++) { | |
2599 | uint_t sc; | |
2600 | char *mpath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2601 | mchild[mc], B_FALSE); | |
2602 | ||
2603 | for (sc = 0; sc < schildren; sc++) { | |
2604 | char *spath = zpool_vdev_name(zhp->zpool_hdl, zhp, | |
2605 | schild[sc], B_FALSE); | |
2606 | boolean_t result = (strcmp(mpath, spath) == 0); | |
2607 | ||
2608 | free(spath); | |
2609 | if (result) { | |
2610 | free(mpath); | |
2611 | return (mc); | |
2612 | } | |
2613 | } | |
2614 | ||
2615 | free(mpath); | |
2616 | } | |
2617 | ||
2618 | return (-1); | |
2619 | } | |
2620 | ||
2621 | /* | |
2622 | * Split a mirror pool. If newroot points to null, then a new nvlist | |
2623 | * is generated and it is the responsibility of the caller to free it. | |
2624 | */ | |
2625 | int | |
2626 | zpool_vdev_split(zpool_handle_t *zhp, char *newname, nvlist_t **newroot, | |
2627 | nvlist_t *props, splitflags_t flags) | |
2628 | { | |
2598c001 | 2629 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
428870ff BB |
2630 | char msg[1024]; |
2631 | nvlist_t *tree, *config, **child, **newchild, *newconfig = NULL; | |
2632 | nvlist_t **varray = NULL, *zc_props = NULL; | |
2633 | uint_t c, children, newchildren, lastlog = 0, vcount, found = 0; | |
2634 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2635 | uint64_t vers; | |
2636 | boolean_t freelist = B_FALSE, memory_err = B_TRUE; | |
2637 | int retval = 0; | |
2638 | ||
2639 | (void) snprintf(msg, sizeof (msg), | |
2640 | dgettext(TEXT_DOMAIN, "Unable to split %s"), zhp->zpool_name); | |
2641 | ||
2642 | if (!zpool_name_valid(hdl, B_FALSE, newname)) | |
2643 | return (zfs_error(hdl, EZFS_INVALIDNAME, msg)); | |
2644 | ||
2645 | if ((config = zpool_get_config(zhp, NULL)) == NULL) { | |
2646 | (void) fprintf(stderr, gettext("Internal error: unable to " | |
2647 | "retrieve pool configuration\n")); | |
2648 | return (-1); | |
2649 | } | |
2650 | ||
2651 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) | |
2652 | == 0); | |
2653 | verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &vers) == 0); | |
2654 | ||
2655 | if (props) { | |
572e2857 | 2656 | prop_flags_t flags = { .create = B_FALSE, .import = B_TRUE }; |
428870ff | 2657 | if ((zc_props = zpool_valid_proplist(hdl, zhp->zpool_name, |
572e2857 | 2658 | props, vers, flags, msg)) == NULL) |
428870ff BB |
2659 | return (-1); |
2660 | } | |
2661 | ||
2662 | if (nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, &child, | |
2663 | &children) != 0) { | |
2664 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2665 | "Source pool is missing vdev tree")); | |
2666 | if (zc_props) | |
2667 | nvlist_free(zc_props); | |
2668 | return (-1); | |
2669 | } | |
2670 | ||
2671 | varray = zfs_alloc(hdl, children * sizeof (nvlist_t *)); | |
2672 | vcount = 0; | |
2673 | ||
2674 | if (*newroot == NULL || | |
2675 | nvlist_lookup_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, | |
2676 | &newchild, &newchildren) != 0) | |
2677 | newchildren = 0; | |
2678 | ||
2679 | for (c = 0; c < children; c++) { | |
2680 | uint64_t is_log = B_FALSE, is_hole = B_FALSE; | |
2681 | char *type; | |
2682 | nvlist_t **mchild, *vdev; | |
2683 | uint_t mchildren; | |
2684 | int entry; | |
2685 | ||
2686 | /* | |
2687 | * Unlike cache & spares, slogs are stored in the | |
2688 | * ZPOOL_CONFIG_CHILDREN array. We filter them out here. | |
2689 | */ | |
2690 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, | |
2691 | &is_log); | |
2692 | (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, | |
2693 | &is_hole); | |
2694 | if (is_log || is_hole) { | |
2695 | /* | |
2696 | * Create a hole vdev and put it in the config. | |
2697 | */ | |
2698 | if (nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) != 0) | |
2699 | goto out; | |
2700 | if (nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, | |
2701 | VDEV_TYPE_HOLE) != 0) | |
2702 | goto out; | |
2703 | if (nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_HOLE, | |
2704 | 1) != 0) | |
2705 | goto out; | |
2706 | if (lastlog == 0) | |
2707 | lastlog = vcount; | |
2708 | varray[vcount++] = vdev; | |
2709 | continue; | |
2710 | } | |
2711 | lastlog = 0; | |
2712 | verify(nvlist_lookup_string(child[c], ZPOOL_CONFIG_TYPE, &type) | |
2713 | == 0); | |
2714 | if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { | |
2715 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2716 | "Source pool must be composed only of mirrors\n")); | |
2717 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2718 | goto out; | |
2719 | } | |
2720 | ||
2721 | verify(nvlist_lookup_nvlist_array(child[c], | |
2722 | ZPOOL_CONFIG_CHILDREN, &mchild, &mchildren) == 0); | |
2723 | ||
2724 | /* find or add an entry for this top-level vdev */ | |
2725 | if (newchildren > 0 && | |
2726 | (entry = find_vdev_entry(zhp, mchild, mchildren, | |
2727 | newchild, newchildren)) >= 0) { | |
2728 | /* We found a disk that the user specified. */ | |
2729 | vdev = mchild[entry]; | |
2730 | ++found; | |
2731 | } else { | |
2732 | /* User didn't specify a disk for this vdev. */ | |
2733 | vdev = mchild[mchildren - 1]; | |
2734 | } | |
2735 | ||
2736 | if (nvlist_dup(vdev, &varray[vcount++], 0) != 0) | |
2737 | goto out; | |
2738 | } | |
2739 | ||
2740 | /* did we find every disk the user specified? */ | |
2741 | if (found != newchildren) { | |
2742 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "Device list must " | |
2743 | "include at most one disk from each mirror")); | |
2744 | retval = zfs_error(hdl, EZFS_INVALCONFIG, msg); | |
2745 | goto out; | |
2746 | } | |
2747 | ||
2748 | /* Prepare the nvlist for populating. */ | |
2749 | if (*newroot == NULL) { | |
2750 | if (nvlist_alloc(newroot, NV_UNIQUE_NAME, 0) != 0) | |
2751 | goto out; | |
2752 | freelist = B_TRUE; | |
2753 | if (nvlist_add_string(*newroot, ZPOOL_CONFIG_TYPE, | |
2754 | VDEV_TYPE_ROOT) != 0) | |
2755 | goto out; | |
2756 | } else { | |
2757 | verify(nvlist_remove_all(*newroot, ZPOOL_CONFIG_CHILDREN) == 0); | |
2758 | } | |
2759 | ||
2760 | /* Add all the children we found */ | |
2761 | if (nvlist_add_nvlist_array(*newroot, ZPOOL_CONFIG_CHILDREN, varray, | |
2762 | lastlog == 0 ? vcount : lastlog) != 0) | |
2763 | goto out; | |
2764 | ||
2765 | /* | |
2766 | * If we're just doing a dry run, exit now with success. | |
2767 | */ | |
2768 | if (flags.dryrun) { | |
2769 | memory_err = B_FALSE; | |
2770 | freelist = B_FALSE; | |
2771 | goto out; | |
2772 | } | |
2773 | ||
2774 | /* now build up the config list & call the ioctl */ | |
2775 | if (nvlist_alloc(&newconfig, NV_UNIQUE_NAME, 0) != 0) | |
2776 | goto out; | |
2777 | ||
2778 | if (nvlist_add_nvlist(newconfig, | |
2779 | ZPOOL_CONFIG_VDEV_TREE, *newroot) != 0 || | |
2780 | nvlist_add_string(newconfig, | |
2781 | ZPOOL_CONFIG_POOL_NAME, newname) != 0 || | |
2782 | nvlist_add_uint64(newconfig, ZPOOL_CONFIG_VERSION, vers) != 0) | |
2783 | goto out; | |
2784 | ||
2785 | /* | |
2786 | * The new pool is automatically part of the namespace unless we | |
2787 | * explicitly export it. | |
2788 | */ | |
2789 | if (!flags.import) | |
2790 | zc.zc_cookie = ZPOOL_EXPORT_AFTER_SPLIT; | |
2791 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2792 | (void) strlcpy(zc.zc_string, newname, sizeof (zc.zc_string)); | |
2793 | if (zcmd_write_conf_nvlist(hdl, &zc, newconfig) != 0) | |
2794 | goto out; | |
2795 | if (zc_props != NULL && zcmd_write_src_nvlist(hdl, &zc, zc_props) != 0) | |
2796 | goto out; | |
2797 | ||
2798 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_SPLIT, &zc) != 0) { | |
2799 | retval = zpool_standard_error(hdl, errno, msg); | |
2800 | goto out; | |
2801 | } | |
2802 | ||
2803 | freelist = B_FALSE; | |
2804 | memory_err = B_FALSE; | |
2805 | ||
2806 | out: | |
2807 | if (varray != NULL) { | |
2808 | int v; | |
2809 | ||
2810 | for (v = 0; v < vcount; v++) | |
2811 | nvlist_free(varray[v]); | |
2812 | free(varray); | |
2813 | } | |
2814 | zcmd_free_nvlists(&zc); | |
2815 | if (zc_props) | |
2816 | nvlist_free(zc_props); | |
2817 | if (newconfig) | |
2818 | nvlist_free(newconfig); | |
2819 | if (freelist) { | |
2820 | nvlist_free(*newroot); | |
2821 | *newroot = NULL; | |
2822 | } | |
2823 | ||
2824 | if (retval != 0) | |
2825 | return (retval); | |
2826 | ||
2827 | if (memory_err) | |
2828 | return (no_memory(hdl)); | |
2829 | ||
2830 | return (0); | |
2831 | } | |
2832 | ||
34dc7c2f BB |
2833 | /* |
2834 | * Remove the given device. Currently, this is supported only for hot spares | |
2835 | * and level 2 cache devices. | |
2836 | */ | |
2837 | int | |
2838 | zpool_vdev_remove(zpool_handle_t *zhp, const char *path) | |
2839 | { | |
2598c001 | 2840 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2841 | char msg[1024]; |
2842 | nvlist_t *tgt; | |
428870ff | 2843 | boolean_t avail_spare, l2cache, islog; |
34dc7c2f | 2844 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
428870ff | 2845 | uint64_t version; |
34dc7c2f BB |
2846 | |
2847 | (void) snprintf(msg, sizeof (msg), | |
2848 | dgettext(TEXT_DOMAIN, "cannot remove %s"), path); | |
2849 | ||
2850 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
b128c09f | 2851 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache, |
428870ff | 2852 | &islog)) == 0) |
34dc7c2f | 2853 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
428870ff BB |
2854 | /* |
2855 | * XXX - this should just go away. | |
2856 | */ | |
2857 | if (!avail_spare && !l2cache && !islog) { | |
34dc7c2f | 2858 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, |
428870ff BB |
2859 | "only inactive hot spares, cache, top-level, " |
2860 | "or log devices can be removed")); | |
34dc7c2f BB |
2861 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2862 | } | |
2863 | ||
428870ff BB |
2864 | version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); |
2865 | if (islog && version < SPA_VERSION_HOLES) { | |
2866 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
2867 | "pool must be upgrade to support log removal")); | |
2868 | return (zfs_error(hdl, EZFS_BADVERSION, msg)); | |
2869 | } | |
2870 | ||
34dc7c2f BB |
2871 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0); |
2872 | ||
2873 | if (zfs_ioctl(hdl, ZFS_IOC_VDEV_REMOVE, &zc) == 0) | |
2874 | return (0); | |
2875 | ||
2876 | return (zpool_standard_error(hdl, errno, msg)); | |
2877 | } | |
2878 | ||
2879 | /* | |
2880 | * Clear the errors for the pool, or the particular device if specified. | |
2881 | */ | |
2882 | int | |
428870ff | 2883 | zpool_clear(zpool_handle_t *zhp, const char *path, nvlist_t *rewindnvl) |
34dc7c2f | 2884 | { |
2598c001 | 2885 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2886 | char msg[1024]; |
2887 | nvlist_t *tgt; | |
428870ff | 2888 | zpool_rewind_policy_t policy; |
34dc7c2f BB |
2889 | boolean_t avail_spare, l2cache; |
2890 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
428870ff | 2891 | nvlist_t *nvi = NULL; |
572e2857 | 2892 | int error; |
34dc7c2f BB |
2893 | |
2894 | if (path) | |
2895 | (void) snprintf(msg, sizeof (msg), | |
2896 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
2897 | path); | |
2898 | else | |
2899 | (void) snprintf(msg, sizeof (msg), | |
2900 | dgettext(TEXT_DOMAIN, "cannot clear errors for %s"), | |
2901 | zhp->zpool_name); | |
2902 | ||
2903 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2904 | if (path) { | |
2905 | if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, | |
b128c09f | 2906 | &l2cache, NULL)) == 0) |
34dc7c2f BB |
2907 | return (zfs_error(hdl, EZFS_NODEVICE, msg)); |
2908 | ||
2909 | /* | |
2910 | * Don't allow error clearing for hot spares. Do allow | |
2911 | * error clearing for l2cache devices. | |
2912 | */ | |
2913 | if (avail_spare) | |
2914 | return (zfs_error(hdl, EZFS_ISSPARE, msg)); | |
2915 | ||
2916 | verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, | |
2917 | &zc.zc_guid) == 0); | |
2918 | } | |
2919 | ||
428870ff BB |
2920 | zpool_get_rewind_policy(rewindnvl, &policy); |
2921 | zc.zc_cookie = policy.zrp_request; | |
2922 | ||
572e2857 | 2923 | if (zcmd_alloc_dst_nvlist(hdl, &zc, zhp->zpool_config_size * 2) != 0) |
428870ff BB |
2924 | return (-1); |
2925 | ||
572e2857 | 2926 | if (zcmd_write_src_nvlist(hdl, &zc, rewindnvl) != 0) |
428870ff BB |
2927 | return (-1); |
2928 | ||
572e2857 BB |
2929 | while ((error = zfs_ioctl(hdl, ZFS_IOC_CLEAR, &zc)) != 0 && |
2930 | errno == ENOMEM) { | |
2931 | if (zcmd_expand_dst_nvlist(hdl, &zc) != 0) { | |
2932 | zcmd_free_nvlists(&zc); | |
2933 | return (-1); | |
2934 | } | |
2935 | } | |
2936 | ||
2937 | if (!error || ((policy.zrp_request & ZPOOL_TRY_REWIND) && | |
428870ff BB |
2938 | errno != EPERM && errno != EACCES)) { |
2939 | if (policy.zrp_request & | |
2940 | (ZPOOL_DO_REWIND | ZPOOL_TRY_REWIND)) { | |
2941 | (void) zcmd_read_dst_nvlist(hdl, &zc, &nvi); | |
2942 | zpool_rewind_exclaim(hdl, zc.zc_name, | |
2943 | ((policy.zrp_request & ZPOOL_TRY_REWIND) != 0), | |
2944 | nvi); | |
2945 | nvlist_free(nvi); | |
2946 | } | |
2947 | zcmd_free_nvlists(&zc); | |
34dc7c2f | 2948 | return (0); |
428870ff | 2949 | } |
34dc7c2f | 2950 | |
428870ff | 2951 | zcmd_free_nvlists(&zc); |
34dc7c2f BB |
2952 | return (zpool_standard_error(hdl, errno, msg)); |
2953 | } | |
2954 | ||
2955 | /* | |
2956 | * Similar to zpool_clear(), but takes a GUID (used by fmd). | |
2957 | */ | |
2958 | int | |
2959 | zpool_vdev_clear(zpool_handle_t *zhp, uint64_t guid) | |
2960 | { | |
2598c001 | 2961 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
2962 | char msg[1024]; |
2963 | libzfs_handle_t *hdl = zhp->zpool_hdl; | |
2964 | ||
2965 | (void) snprintf(msg, sizeof (msg), | |
2966 | dgettext(TEXT_DOMAIN, "cannot clear errors for %llx"), | |
b8864a23 | 2967 | (u_longlong_t)guid); |
34dc7c2f BB |
2968 | |
2969 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
2970 | zc.zc_guid = guid; | |
428870ff | 2971 | zc.zc_cookie = ZPOOL_NO_REWIND; |
34dc7c2f BB |
2972 | |
2973 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_CLEAR, &zc) == 0) | |
2974 | return (0); | |
2975 | ||
2976 | return (zpool_standard_error(hdl, errno, msg)); | |
2977 | } | |
2978 | ||
34dc7c2f BB |
2979 | /* |
2980 | * Convert from a devid string to a path. | |
2981 | */ | |
2982 | static char * | |
2983 | devid_to_path(char *devid_str) | |
2984 | { | |
2985 | ddi_devid_t devid; | |
2986 | char *minor; | |
2987 | char *path; | |
2988 | devid_nmlist_t *list = NULL; | |
2989 | int ret; | |
2990 | ||
2991 | if (devid_str_decode(devid_str, &devid, &minor) != 0) | |
2992 | return (NULL); | |
2993 | ||
2994 | ret = devid_deviceid_to_nmlist("/dev", devid, minor, &list); | |
2995 | ||
2996 | devid_str_free(minor); | |
2997 | devid_free(devid); | |
2998 | ||
2999 | if (ret != 0) | |
3000 | return (NULL); | |
3001 | ||
3002 | if ((path = strdup(list[0].devname)) == NULL) | |
3003 | return (NULL); | |
3004 | ||
3005 | devid_free_nmlist(list); | |
3006 | ||
3007 | return (path); | |
3008 | } | |
3009 | ||
3010 | /* | |
3011 | * Convert from a path to a devid string. | |
3012 | */ | |
3013 | static char * | |
3014 | path_to_devid(const char *path) | |
3015 | { | |
3016 | int fd; | |
3017 | ddi_devid_t devid; | |
3018 | char *minor, *ret; | |
3019 | ||
3020 | if ((fd = open(path, O_RDONLY)) < 0) | |
3021 | return (NULL); | |
3022 | ||
3023 | minor = NULL; | |
3024 | ret = NULL; | |
3025 | if (devid_get(fd, &devid) == 0) { | |
3026 | if (devid_get_minor_name(fd, &minor) == 0) | |
3027 | ret = devid_str_encode(devid, minor); | |
3028 | if (minor != NULL) | |
3029 | devid_str_free(minor); | |
3030 | devid_free(devid); | |
3031 | } | |
3032 | (void) close(fd); | |
3033 | ||
3034 | return (ret); | |
3035 | } | |
3036 | ||
3037 | /* | |
3038 | * Issue the necessary ioctl() to update the stored path value for the vdev. We | |
3039 | * ignore any failure here, since a common case is for an unprivileged user to | |
3040 | * type 'zpool status', and we'll display the correct information anyway. | |
3041 | */ | |
3042 | static void | |
3043 | set_path(zpool_handle_t *zhp, nvlist_t *nv, const char *path) | |
3044 | { | |
2598c001 | 3045 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3046 | |
3047 | (void) strncpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3048 | (void) strncpy(zc.zc_value, path, sizeof (zc.zc_value)); | |
3049 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3050 | &zc.zc_guid) == 0); | |
3051 | ||
3052 | (void) ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_VDEV_SETPATH, &zc); | |
3053 | } | |
3054 | ||
3055 | /* | |
3056 | * Given a vdev, return the name to display in iostat. If the vdev has a path, | |
3057 | * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type. | |
3058 | * We also check if this is a whole disk, in which case we strip off the | |
3059 | * trailing 's0' slice name. | |
3060 | * | |
3061 | * This routine is also responsible for identifying when disks have been | |
3062 | * reconfigured in a new location. The kernel will have opened the device by | |
3063 | * devid, but the path will still refer to the old location. To catch this, we | |
3064 | * first do a path -> devid translation (which is fast for the common case). If | |
3065 | * the devid matches, we're done. If not, we do a reverse devid -> path | |
3066 | * translation and issue the appropriate ioctl() to update the path of the vdev. | |
3067 | * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any | |
3068 | * of these checks. | |
3069 | */ | |
3070 | char * | |
428870ff BB |
3071 | zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv, |
3072 | boolean_t verbose) | |
34dc7c2f BB |
3073 | { |
3074 | char *path, *devid; | |
3075 | uint64_t value; | |
3076 | char buf[64]; | |
3077 | vdev_stat_t *vs; | |
3078 | uint_t vsc; | |
3079 | ||
3080 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, | |
3081 | &value) == 0) { | |
3082 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, | |
3083 | &value) == 0); | |
3084 | (void) snprintf(buf, sizeof (buf), "%llu", | |
3085 | (u_longlong_t)value); | |
3086 | path = buf; | |
3087 | } else if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) { | |
3088 | ||
3089 | /* | |
3090 | * If the device is dead (faulted, offline, etc) then don't | |
3091 | * bother opening it. Otherwise we may be forcing the user to | |
3092 | * open a misbehaving device, which can have undesirable | |
3093 | * effects. | |
3094 | */ | |
428870ff | 3095 | if ((nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, |
34dc7c2f BB |
3096 | (uint64_t **)&vs, &vsc) != 0 || |
3097 | vs->vs_state >= VDEV_STATE_DEGRADED) && | |
3098 | zhp != NULL && | |
3099 | nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &devid) == 0) { | |
3100 | /* | |
3101 | * Determine if the current path is correct. | |
3102 | */ | |
3103 | char *newdevid = path_to_devid(path); | |
3104 | ||
3105 | if (newdevid == NULL || | |
3106 | strcmp(devid, newdevid) != 0) { | |
3107 | char *newpath; | |
3108 | ||
3109 | if ((newpath = devid_to_path(devid)) != NULL) { | |
3110 | /* | |
3111 | * Update the path appropriately. | |
3112 | */ | |
3113 | set_path(zhp, nv, newpath); | |
3114 | if (nvlist_add_string(nv, | |
3115 | ZPOOL_CONFIG_PATH, newpath) == 0) | |
3116 | verify(nvlist_lookup_string(nv, | |
3117 | ZPOOL_CONFIG_PATH, | |
3118 | &path) == 0); | |
3119 | free(newpath); | |
3120 | } | |
3121 | } | |
3122 | ||
3123 | if (newdevid) | |
3124 | devid_str_free(newdevid); | |
3125 | } | |
3126 | ||
3127 | if (strncmp(path, "/dev/dsk/", 9) == 0) | |
3128 | path += 9; | |
3129 | ||
3130 | if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
3131 | &value) == 0 && value) { | |
428870ff | 3132 | int pathlen = strlen(path); |
34dc7c2f | 3133 | char *tmp = zfs_strdup(hdl, path); |
428870ff BB |
3134 | |
3135 | /* | |
3136 | * If it starts with c#, and ends with "s0", chop | |
3137 | * the "s0" off, or if it ends with "s0/old", remove | |
3138 | * the "s0" from the middle. | |
3139 | */ | |
3140 | if (CTD_CHECK(tmp)) { | |
3141 | if (strcmp(&tmp[pathlen - 2], "s0") == 0) { | |
3142 | tmp[pathlen - 2] = '\0'; | |
3143 | } else if (pathlen > 6 && | |
3144 | strcmp(&tmp[pathlen - 6], "s0/old") == 0) { | |
3145 | (void) strcpy(&tmp[pathlen - 6], | |
3146 | "/old"); | |
3147 | } | |
3148 | } | |
34dc7c2f BB |
3149 | return (tmp); |
3150 | } | |
3151 | } else { | |
3152 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &path) == 0); | |
3153 | ||
3154 | /* | |
3155 | * If it's a raidz device, we need to stick in the parity level. | |
3156 | */ | |
3157 | if (strcmp(path, VDEV_TYPE_RAIDZ) == 0) { | |
3158 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, | |
3159 | &value) == 0); | |
3160 | (void) snprintf(buf, sizeof (buf), "%s%llu", path, | |
3161 | (u_longlong_t)value); | |
3162 | path = buf; | |
3163 | } | |
428870ff BB |
3164 | |
3165 | /* | |
3166 | * We identify each top-level vdev by using a <type-id> | |
3167 | * naming convention. | |
3168 | */ | |
3169 | if (verbose) { | |
3170 | uint64_t id; | |
3171 | ||
3172 | verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ID, | |
3173 | &id) == 0); | |
3174 | (void) snprintf(buf, sizeof (buf), "%s-%llu", path, | |
3175 | (u_longlong_t)id); | |
3176 | path = buf; | |
3177 | } | |
34dc7c2f BB |
3178 | } |
3179 | ||
3180 | return (zfs_strdup(hdl, path)); | |
3181 | } | |
3182 | ||
3183 | static int | |
3184 | zbookmark_compare(const void *a, const void *b) | |
3185 | { | |
3186 | return (memcmp(a, b, sizeof (zbookmark_t))); | |
3187 | } | |
3188 | ||
3189 | /* | |
3190 | * Retrieve the persistent error log, uniquify the members, and return to the | |
3191 | * caller. | |
3192 | */ | |
3193 | int | |
3194 | zpool_get_errlog(zpool_handle_t *zhp, nvlist_t **nverrlistp) | |
3195 | { | |
2598c001 | 3196 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3197 | uint64_t count; |
3198 | zbookmark_t *zb = NULL; | |
3199 | int i; | |
3200 | ||
3201 | /* | |
3202 | * Retrieve the raw error list from the kernel. If the number of errors | |
3203 | * has increased, allocate more space and continue until we get the | |
3204 | * entire list. | |
3205 | */ | |
3206 | verify(nvlist_lookup_uint64(zhp->zpool_config, ZPOOL_CONFIG_ERRCOUNT, | |
3207 | &count) == 0); | |
3208 | if (count == 0) | |
3209 | return (0); | |
3210 | if ((zc.zc_nvlist_dst = (uintptr_t)zfs_alloc(zhp->zpool_hdl, | |
3211 | count * sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
3212 | return (-1); | |
3213 | zc.zc_nvlist_dst_size = count; | |
3214 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3215 | for (;;) { | |
3216 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_ERROR_LOG, | |
3217 | &zc) != 0) { | |
3218 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3219 | if (errno == ENOMEM) { | |
3220 | count = zc.zc_nvlist_dst_size; | |
3221 | if ((zc.zc_nvlist_dst = (uintptr_t) | |
3222 | zfs_alloc(zhp->zpool_hdl, count * | |
3223 | sizeof (zbookmark_t))) == (uintptr_t)NULL) | |
3224 | return (-1); | |
3225 | } else { | |
3226 | return (-1); | |
3227 | } | |
3228 | } else { | |
3229 | break; | |
3230 | } | |
3231 | } | |
3232 | ||
3233 | /* | |
3234 | * Sort the resulting bookmarks. This is a little confusing due to the | |
3235 | * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last | |
3236 | * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks | |
3237 | * _not_ copied as part of the process. So we point the start of our | |
3238 | * array appropriate and decrement the total number of elements. | |
3239 | */ | |
3240 | zb = ((zbookmark_t *)(uintptr_t)zc.zc_nvlist_dst) + | |
3241 | zc.zc_nvlist_dst_size; | |
3242 | count -= zc.zc_nvlist_dst_size; | |
3243 | ||
3244 | qsort(zb, count, sizeof (zbookmark_t), zbookmark_compare); | |
3245 | ||
3246 | verify(nvlist_alloc(nverrlistp, 0, KM_SLEEP) == 0); | |
3247 | ||
3248 | /* | |
3249 | * Fill in the nverrlistp with nvlist's of dataset and object numbers. | |
3250 | */ | |
3251 | for (i = 0; i < count; i++) { | |
3252 | nvlist_t *nv; | |
3253 | ||
3254 | /* ignoring zb_blkid and zb_level for now */ | |
3255 | if (i > 0 && zb[i-1].zb_objset == zb[i].zb_objset && | |
3256 | zb[i-1].zb_object == zb[i].zb_object) | |
3257 | continue; | |
3258 | ||
3259 | if (nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) != 0) | |
3260 | goto nomem; | |
3261 | if (nvlist_add_uint64(nv, ZPOOL_ERR_DATASET, | |
3262 | zb[i].zb_objset) != 0) { | |
3263 | nvlist_free(nv); | |
3264 | goto nomem; | |
3265 | } | |
3266 | if (nvlist_add_uint64(nv, ZPOOL_ERR_OBJECT, | |
3267 | zb[i].zb_object) != 0) { | |
3268 | nvlist_free(nv); | |
3269 | goto nomem; | |
3270 | } | |
3271 | if (nvlist_add_nvlist(*nverrlistp, "ejk", nv) != 0) { | |
3272 | nvlist_free(nv); | |
3273 | goto nomem; | |
3274 | } | |
3275 | nvlist_free(nv); | |
3276 | } | |
3277 | ||
3278 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3279 | return (0); | |
3280 | ||
3281 | nomem: | |
3282 | free((void *)(uintptr_t)zc.zc_nvlist_dst); | |
3283 | return (no_memory(zhp->zpool_hdl)); | |
3284 | } | |
3285 | ||
3286 | /* | |
3287 | * Upgrade a ZFS pool to the latest on-disk version. | |
3288 | */ | |
3289 | int | |
3290 | zpool_upgrade(zpool_handle_t *zhp, uint64_t new_version) | |
3291 | { | |
2598c001 | 3292 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3293 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3294 | ||
3295 | (void) strcpy(zc.zc_name, zhp->zpool_name); | |
3296 | zc.zc_cookie = new_version; | |
3297 | ||
3298 | if (zfs_ioctl(hdl, ZFS_IOC_POOL_UPGRADE, &zc) != 0) | |
3299 | return (zpool_standard_error_fmt(hdl, errno, | |
3300 | dgettext(TEXT_DOMAIN, "cannot upgrade '%s'"), | |
3301 | zhp->zpool_name)); | |
3302 | return (0); | |
3303 | } | |
3304 | ||
3305 | void | |
3306 | zpool_set_history_str(const char *subcommand, int argc, char **argv, | |
3307 | char *history_str) | |
3308 | { | |
3309 | int i; | |
3310 | ||
3311 | (void) strlcpy(history_str, subcommand, HIS_MAX_RECORD_LEN); | |
3312 | for (i = 1; i < argc; i++) { | |
3313 | if (strlen(history_str) + 1 + strlen(argv[i]) > | |
3314 | HIS_MAX_RECORD_LEN) | |
3315 | break; | |
3316 | (void) strlcat(history_str, " ", HIS_MAX_RECORD_LEN); | |
3317 | (void) strlcat(history_str, argv[i], HIS_MAX_RECORD_LEN); | |
3318 | } | |
3319 | } | |
3320 | ||
3321 | /* | |
3322 | * Stage command history for logging. | |
3323 | */ | |
3324 | int | |
3325 | zpool_stage_history(libzfs_handle_t *hdl, const char *history_str) | |
3326 | { | |
3327 | if (history_str == NULL) | |
3328 | return (EINVAL); | |
3329 | ||
3330 | if (strlen(history_str) > HIS_MAX_RECORD_LEN) | |
3331 | return (EINVAL); | |
3332 | ||
3333 | if (hdl->libzfs_log_str != NULL) | |
3334 | free(hdl->libzfs_log_str); | |
3335 | ||
3336 | if ((hdl->libzfs_log_str = strdup(history_str)) == NULL) | |
3337 | return (no_memory(hdl)); | |
3338 | ||
3339 | return (0); | |
3340 | } | |
3341 | ||
3342 | /* | |
3343 | * Perform ioctl to get some command history of a pool. | |
3344 | * | |
3345 | * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the | |
3346 | * logical offset of the history buffer to start reading from. | |
3347 | * | |
3348 | * Upon return, 'off' is the next logical offset to read from and | |
3349 | * 'len' is the actual amount of bytes read into 'buf'. | |
3350 | */ | |
3351 | static int | |
3352 | get_history(zpool_handle_t *zhp, char *buf, uint64_t *off, uint64_t *len) | |
3353 | { | |
2598c001 | 3354 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3355 | libzfs_handle_t *hdl = zhp->zpool_hdl; |
3356 | ||
3357 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3358 | ||
3359 | zc.zc_history = (uint64_t)(uintptr_t)buf; | |
3360 | zc.zc_history_len = *len; | |
3361 | zc.zc_history_offset = *off; | |
3362 | ||
3363 | if (ioctl(hdl->libzfs_fd, ZFS_IOC_POOL_GET_HISTORY, &zc) != 0) { | |
3364 | switch (errno) { | |
3365 | case EPERM: | |
3366 | return (zfs_error_fmt(hdl, EZFS_PERM, | |
3367 | dgettext(TEXT_DOMAIN, | |
3368 | "cannot show history for pool '%s'"), | |
3369 | zhp->zpool_name)); | |
3370 | case ENOENT: | |
3371 | return (zfs_error_fmt(hdl, EZFS_NOHISTORY, | |
3372 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3373 | "'%s'"), zhp->zpool_name)); | |
3374 | case ENOTSUP: | |
3375 | return (zfs_error_fmt(hdl, EZFS_BADVERSION, | |
3376 | dgettext(TEXT_DOMAIN, "cannot get history for pool " | |
3377 | "'%s', pool must be upgraded"), zhp->zpool_name)); | |
3378 | default: | |
3379 | return (zpool_standard_error_fmt(hdl, errno, | |
3380 | dgettext(TEXT_DOMAIN, | |
3381 | "cannot get history for '%s'"), zhp->zpool_name)); | |
3382 | } | |
3383 | } | |
3384 | ||
3385 | *len = zc.zc_history_len; | |
3386 | *off = zc.zc_history_offset; | |
3387 | ||
3388 | return (0); | |
3389 | } | |
3390 | ||
3391 | /* | |
3392 | * Process the buffer of nvlists, unpacking and storing each nvlist record | |
3393 | * into 'records'. 'leftover' is set to the number of bytes that weren't | |
3394 | * processed as there wasn't a complete record. | |
3395 | */ | |
428870ff | 3396 | int |
34dc7c2f BB |
3397 | zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover, |
3398 | nvlist_t ***records, uint_t *numrecords) | |
3399 | { | |
3400 | uint64_t reclen; | |
3401 | nvlist_t *nv; | |
3402 | int i; | |
3403 | ||
3404 | while (bytes_read > sizeof (reclen)) { | |
3405 | ||
3406 | /* get length of packed record (stored as little endian) */ | |
3407 | for (i = 0, reclen = 0; i < sizeof (reclen); i++) | |
3408 | reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i); | |
3409 | ||
3410 | if (bytes_read < sizeof (reclen) + reclen) | |
3411 | break; | |
3412 | ||
3413 | /* unpack record */ | |
3414 | if (nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0) != 0) | |
3415 | return (ENOMEM); | |
3416 | bytes_read -= sizeof (reclen) + reclen; | |
3417 | buf += sizeof (reclen) + reclen; | |
3418 | ||
3419 | /* add record to nvlist array */ | |
3420 | (*numrecords)++; | |
3421 | if (ISP2(*numrecords + 1)) { | |
3422 | *records = realloc(*records, | |
3423 | *numrecords * 2 * sizeof (nvlist_t *)); | |
3424 | } | |
3425 | (*records)[*numrecords - 1] = nv; | |
3426 | } | |
3427 | ||
3428 | *leftover = bytes_read; | |
3429 | return (0); | |
3430 | } | |
3431 | ||
3432 | #define HIS_BUF_LEN (128*1024) | |
3433 | ||
3434 | /* | |
3435 | * Retrieve the command history of a pool. | |
3436 | */ | |
3437 | int | |
3438 | zpool_get_history(zpool_handle_t *zhp, nvlist_t **nvhisp) | |
3439 | { | |
3440 | char buf[HIS_BUF_LEN]; | |
3441 | uint64_t off = 0; | |
3442 | nvlist_t **records = NULL; | |
3443 | uint_t numrecords = 0; | |
3444 | int err, i; | |
3445 | ||
3446 | do { | |
3447 | uint64_t bytes_read = sizeof (buf); | |
3448 | uint64_t leftover; | |
3449 | ||
3450 | if ((err = get_history(zhp, buf, &off, &bytes_read)) != 0) | |
3451 | break; | |
3452 | ||
3453 | /* if nothing else was read in, we're at EOF, just return */ | |
3454 | if (!bytes_read) | |
3455 | break; | |
3456 | ||
3457 | if ((err = zpool_history_unpack(buf, bytes_read, | |
3458 | &leftover, &records, &numrecords)) != 0) | |
3459 | break; | |
3460 | off -= leftover; | |
3461 | ||
3462 | /* CONSTCOND */ | |
3463 | } while (1); | |
3464 | ||
3465 | if (!err) { | |
3466 | verify(nvlist_alloc(nvhisp, NV_UNIQUE_NAME, 0) == 0); | |
3467 | verify(nvlist_add_nvlist_array(*nvhisp, ZPOOL_HIST_RECORD, | |
3468 | records, numrecords) == 0); | |
3469 | } | |
3470 | for (i = 0; i < numrecords; i++) | |
3471 | nvlist_free(records[i]); | |
3472 | free(records); | |
3473 | ||
3474 | return (err); | |
3475 | } | |
3476 | ||
3477 | void | |
3478 | zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj, | |
3479 | char *pathname, size_t len) | |
3480 | { | |
2598c001 | 3481 | zfs_cmd_t zc = { "\0", "\0", "\0", "\0", 0 }; |
34dc7c2f BB |
3482 | boolean_t mounted = B_FALSE; |
3483 | char *mntpnt = NULL; | |
3484 | char dsname[MAXNAMELEN]; | |
3485 | ||
3486 | if (dsobj == 0) { | |
3487 | /* special case for the MOS */ | |
b8864a23 | 3488 | (void) snprintf(pathname, len, "<metadata>:<0x%llx>", (longlong_t)obj); |
34dc7c2f BB |
3489 | return; |
3490 | } | |
3491 | ||
3492 | /* get the dataset's name */ | |
3493 | (void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name)); | |
3494 | zc.zc_obj = dsobj; | |
3495 | if (ioctl(zhp->zpool_hdl->libzfs_fd, | |
3496 | ZFS_IOC_DSOBJ_TO_DSNAME, &zc) != 0) { | |
3497 | /* just write out a path of two object numbers */ | |
3498 | (void) snprintf(pathname, len, "<0x%llx>:<0x%llx>", | |
b8864a23 | 3499 | (longlong_t)dsobj, (longlong_t)obj); |
34dc7c2f BB |
3500 | return; |
3501 | } | |
3502 | (void) strlcpy(dsname, zc.zc_value, sizeof (dsname)); | |
3503 | ||
3504 | /* find out if the dataset is mounted */ | |
3505 | mounted = is_mounted(zhp->zpool_hdl, dsname, &mntpnt); | |
3506 | ||
3507 | /* get the corrupted object's path */ | |
3508 | (void) strlcpy(zc.zc_name, dsname, sizeof (zc.zc_name)); | |
3509 | zc.zc_obj = obj; | |
3510 | if (ioctl(zhp->zpool_hdl->libzfs_fd, ZFS_IOC_OBJ_TO_PATH, | |
3511 | &zc) == 0) { | |
3512 | if (mounted) { | |
3513 | (void) snprintf(pathname, len, "%s%s", mntpnt, | |
3514 | zc.zc_value); | |
3515 | } else { | |
3516 | (void) snprintf(pathname, len, "%s:%s", | |
3517 | dsname, zc.zc_value); | |
3518 | } | |
3519 | } else { | |
b8864a23 | 3520 | (void) snprintf(pathname, len, "%s:<0x%llx>", dsname, (longlong_t)obj); |
34dc7c2f BB |
3521 | } |
3522 | free(mntpnt); | |
3523 | } | |
3524 | ||
b128c09f BB |
3525 | /* |
3526 | * Read the EFI label from the config, if a label does not exist then | |
3527 | * pass back the error to the caller. If the caller has passed a non-NULL | |
3528 | * diskaddr argument then we set it to the starting address of the EFI | |
3529 | * partition. | |
3530 | */ | |
3531 | static int | |
3532 | read_efi_label(nvlist_t *config, diskaddr_t *sb) | |
3533 | { | |
3534 | char *path; | |
3535 | int fd; | |
3536 | char diskname[MAXPATHLEN]; | |
3537 | int err = -1; | |
3538 | ||
3539 | if (nvlist_lookup_string(config, ZPOOL_CONFIG_PATH, &path) != 0) | |
3540 | return (err); | |
3541 | ||
3542 | (void) snprintf(diskname, sizeof (diskname), "%s%s", RDISK_ROOT, | |
3543 | strrchr(path, '/')); | |
3544 | if ((fd = open(diskname, O_RDONLY|O_NDELAY)) >= 0) { | |
3545 | struct dk_gpt *vtoc; | |
3546 | ||
3547 | if ((err = efi_alloc_and_read(fd, &vtoc)) >= 0) { | |
3548 | if (sb != NULL) | |
3549 | *sb = vtoc->efi_parts[0].p_start; | |
3550 | efi_free(vtoc); | |
3551 | } | |
3552 | (void) close(fd); | |
3553 | } | |
3554 | return (err); | |
3555 | } | |
3556 | ||
34dc7c2f BB |
3557 | /* |
3558 | * determine where a partition starts on a disk in the current | |
3559 | * configuration | |
3560 | */ | |
3561 | static diskaddr_t | |
3562 | find_start_block(nvlist_t *config) | |
3563 | { | |
3564 | nvlist_t **child; | |
3565 | uint_t c, children; | |
34dc7c2f | 3566 | diskaddr_t sb = MAXOFFSET_T; |
34dc7c2f BB |
3567 | uint64_t wholedisk; |
3568 | ||
3569 | if (nvlist_lookup_nvlist_array(config, | |
3570 | ZPOOL_CONFIG_CHILDREN, &child, &children) != 0) { | |
3571 | if (nvlist_lookup_uint64(config, | |
3572 | ZPOOL_CONFIG_WHOLE_DISK, | |
3573 | &wholedisk) != 0 || !wholedisk) { | |
3574 | return (MAXOFFSET_T); | |
3575 | } | |
b128c09f BB |
3576 | if (read_efi_label(config, &sb) < 0) |
3577 | sb = MAXOFFSET_T; | |
34dc7c2f BB |
3578 | return (sb); |
3579 | } | |
3580 | ||
3581 | for (c = 0; c < children; c++) { | |
3582 | sb = find_start_block(child[c]); | |
3583 | if (sb != MAXOFFSET_T) { | |
3584 | return (sb); | |
3585 | } | |
3586 | } | |
3587 | return (MAXOFFSET_T); | |
3588 | } | |
3589 | ||
3590 | /* | |
3591 | * Label an individual disk. The name provided is the short name, | |
3592 | * stripped of any leading /dev path. | |
3593 | */ | |
3594 | int | |
3595 | zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) | |
3596 | { | |
3597 | char path[MAXPATHLEN]; | |
3598 | struct dk_gpt *vtoc; | |
3599 | int fd; | |
3600 | size_t resv = EFI_MIN_RESV_SIZE; | |
3601 | uint64_t slice_size; | |
3602 | diskaddr_t start_block; | |
3603 | char errbuf[1024]; | |
3604 | ||
3605 | /* prepare an error message just in case */ | |
3606 | (void) snprintf(errbuf, sizeof (errbuf), | |
3607 | dgettext(TEXT_DOMAIN, "cannot label '%s'"), name); | |
3608 | ||
3609 | if (zhp) { | |
3610 | nvlist_t *nvroot; | |
3611 | ||
b128c09f BB |
3612 | if (pool_is_bootable(zhp)) { |
3613 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3614 | "EFI labeled devices are not supported on root " | |
3615 | "pools.")); | |
3616 | return (zfs_error(hdl, EZFS_POOL_NOTSUP, errbuf)); | |
3617 | } | |
3618 | ||
34dc7c2f BB |
3619 | verify(nvlist_lookup_nvlist(zhp->zpool_config, |
3620 | ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); | |
3621 | ||
3622 | if (zhp->zpool_start_block == 0) | |
3623 | start_block = find_start_block(nvroot); | |
3624 | else | |
3625 | start_block = zhp->zpool_start_block; | |
3626 | zhp->zpool_start_block = start_block; | |
3627 | } else { | |
3628 | /* new pool */ | |
3629 | start_block = NEW_START_BLOCK; | |
3630 | } | |
3631 | ||
3632 | (void) snprintf(path, sizeof (path), "%s/%s%s", RDISK_ROOT, name, | |
3633 | BACKUP_SLICE); | |
3634 | ||
3635 | if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) { | |
3636 | /* | |
3637 | * This shouldn't happen. We've long since verified that this | |
3638 | * is a valid device. | |
3639 | */ | |
3640 | zfs_error_aux(hdl, | |
3641 | dgettext(TEXT_DOMAIN, "unable to open device")); | |
3642 | return (zfs_error(hdl, EZFS_OPENFAILED, errbuf)); | |
3643 | } | |
3644 | ||
3645 | if (efi_alloc_and_init(fd, EFI_NUMPAR, &vtoc) != 0) { | |
3646 | /* | |
3647 | * The only way this can fail is if we run out of memory, or we | |
3648 | * were unable to read the disk's capacity | |
3649 | */ | |
3650 | if (errno == ENOMEM) | |
3651 | (void) no_memory(hdl); | |
3652 | ||
3653 | (void) close(fd); | |
3654 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3655 | "unable to read disk capacity"), name); | |
3656 | ||
3657 | return (zfs_error(hdl, EZFS_NOCAP, errbuf)); | |
3658 | } | |
3659 | ||
3660 | slice_size = vtoc->efi_last_u_lba + 1; | |
3661 | slice_size -= EFI_MIN_RESV_SIZE; | |
3662 | if (start_block == MAXOFFSET_T) | |
3663 | start_block = NEW_START_BLOCK; | |
3664 | slice_size -= start_block; | |
3665 | ||
3666 | vtoc->efi_parts[0].p_start = start_block; | |
3667 | vtoc->efi_parts[0].p_size = slice_size; | |
3668 | ||
3669 | /* | |
3670 | * Why we use V_USR: V_BACKUP confuses users, and is considered | |
3671 | * disposable by some EFI utilities (since EFI doesn't have a backup | |
3672 | * slice). V_UNASSIGNED is supposed to be used only for zero size | |
3673 | * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT, | |
3674 | * etc. were all pretty specific. V_USR is as close to reality as we | |
3675 | * can get, in the absence of V_OTHER. | |
3676 | */ | |
3677 | vtoc->efi_parts[0].p_tag = V_USR; | |
3678 | (void) strcpy(vtoc->efi_parts[0].p_name, "zfs"); | |
3679 | ||
3680 | vtoc->efi_parts[8].p_start = slice_size + start_block; | |
3681 | vtoc->efi_parts[8].p_size = resv; | |
3682 | vtoc->efi_parts[8].p_tag = V_RESERVED; | |
3683 | ||
3684 | if (efi_write(fd, vtoc) != 0) { | |
3685 | /* | |
3686 | * Some block drivers (like pcata) may not support EFI | |
3687 | * GPT labels. Print out a helpful error message dir- | |
3688 | * ecting the user to manually label the disk and give | |
3689 | * a specific slice. | |
3690 | */ | |
3691 | (void) close(fd); | |
3692 | efi_free(vtoc); | |
3693 | ||
3694 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3695 | "try using fdisk(1M) and then provide a specific slice")); | |
3696 | return (zfs_error(hdl, EZFS_LABELFAILED, errbuf)); | |
3697 | } | |
3698 | ||
3699 | (void) close(fd); | |
3700 | efi_free(vtoc); | |
3701 | return (0); | |
3702 | } | |
3703 | ||
3704 | static boolean_t | |
3705 | supported_dump_vdev_type(libzfs_handle_t *hdl, nvlist_t *config, char *errbuf) | |
3706 | { | |
3707 | char *type; | |
3708 | nvlist_t **child; | |
3709 | uint_t children, c; | |
3710 | ||
3711 | verify(nvlist_lookup_string(config, ZPOOL_CONFIG_TYPE, &type) == 0); | |
3712 | if (strcmp(type, VDEV_TYPE_RAIDZ) == 0 || | |
3713 | strcmp(type, VDEV_TYPE_FILE) == 0 || | |
3714 | strcmp(type, VDEV_TYPE_LOG) == 0 || | |
428870ff | 3715 | strcmp(type, VDEV_TYPE_HOLE) == 0 || |
34dc7c2f BB |
3716 | strcmp(type, VDEV_TYPE_MISSING) == 0) { |
3717 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3718 | "vdev type '%s' is not supported"), type); | |
3719 | (void) zfs_error(hdl, EZFS_VDEVNOTSUP, errbuf); | |
3720 | return (B_FALSE); | |
3721 | } | |
3722 | if (nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_CHILDREN, | |
3723 | &child, &children) == 0) { | |
3724 | for (c = 0; c < children; c++) { | |
3725 | if (!supported_dump_vdev_type(hdl, child[c], errbuf)) | |
3726 | return (B_FALSE); | |
3727 | } | |
3728 | } | |
3729 | return (B_TRUE); | |
3730 | } | |
3731 | ||
3732 | /* | |
3733 | * check if this zvol is allowable for use as a dump device; zero if | |
3734 | * it is, > 0 if it isn't, < 0 if it isn't a zvol | |
3735 | */ | |
3736 | int | |
3737 | zvol_check_dump_config(char *arg) | |
3738 | { | |
3739 | zpool_handle_t *zhp = NULL; | |
3740 | nvlist_t *config, *nvroot; | |
3741 | char *p, *volname; | |
3742 | nvlist_t **top; | |
3743 | uint_t toplevels; | |
3744 | libzfs_handle_t *hdl; | |
3745 | char errbuf[1024]; | |
3746 | char poolname[ZPOOL_MAXNAMELEN]; | |
3747 | int pathlen = strlen(ZVOL_FULL_DEV_DIR); | |
3748 | int ret = 1; | |
3749 | ||
3750 | if (strncmp(arg, ZVOL_FULL_DEV_DIR, pathlen)) { | |
3751 | return (-1); | |
3752 | } | |
3753 | ||
3754 | (void) snprintf(errbuf, sizeof (errbuf), dgettext(TEXT_DOMAIN, | |
3755 | "dump is not supported on device '%s'"), arg); | |
3756 | ||
3757 | if ((hdl = libzfs_init()) == NULL) | |
3758 | return (1); | |
3759 | libzfs_print_on_error(hdl, B_TRUE); | |
3760 | ||
3761 | volname = arg + pathlen; | |
3762 | ||
3763 | /* check the configuration of the pool */ | |
3764 | if ((p = strchr(volname, '/')) == NULL) { | |
3765 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3766 | "malformed dataset name")); | |
3767 | (void) zfs_error(hdl, EZFS_INVALIDNAME, errbuf); | |
3768 | return (1); | |
3769 | } else if (p - volname >= ZFS_MAXNAMELEN) { | |
3770 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3771 | "dataset name is too long")); | |
3772 | (void) zfs_error(hdl, EZFS_NAMETOOLONG, errbuf); | |
3773 | return (1); | |
3774 | } else { | |
3775 | (void) strncpy(poolname, volname, p - volname); | |
3776 | poolname[p - volname] = '\0'; | |
3777 | } | |
3778 | ||
3779 | if ((zhp = zpool_open(hdl, poolname)) == NULL) { | |
3780 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3781 | "could not open pool '%s'"), poolname); | |
3782 | (void) zfs_error(hdl, EZFS_OPENFAILED, errbuf); | |
3783 | goto out; | |
3784 | } | |
3785 | config = zpool_get_config(zhp, NULL); | |
3786 | if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
3787 | &nvroot) != 0) { | |
3788 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3789 | "could not obtain vdev configuration for '%s'"), poolname); | |
3790 | (void) zfs_error(hdl, EZFS_INVALCONFIG, errbuf); | |
3791 | goto out; | |
3792 | } | |
3793 | ||
3794 | verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
3795 | &top, &toplevels) == 0); | |
3796 | if (toplevels != 1) { | |
3797 | zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, | |
3798 | "'%s' has multiple top level vdevs"), poolname); | |
3799 | (void) zfs_error(hdl, EZFS_DEVOVERFLOW, errbuf); | |
3800 | goto out; | |
3801 | } | |
3802 | ||
3803 | if (!supported_dump_vdev_type(hdl, top[0], errbuf)) { | |
3804 | goto out; | |
3805 | } | |
3806 | ret = 0; | |
3807 | ||
3808 | out: | |
3809 | if (zhp) | |
3810 | zpool_close(zhp); | |
3811 | libzfs_fini(hdl); | |
3812 | return (ret); | |
3813 | } |