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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 | /* |
27 | * Functions to convert between a list of vdevs and an nvlist representing the | |
28 | * configuration. Each entry in the list can be one of: | |
29 | * | |
30 | * Device vdevs | |
31 | * disk=(path=..., devid=...) | |
32 | * file=(path=...) | |
33 | * | |
34 | * Group vdevs | |
35 | * raidz[1|2]=(...) | |
36 | * mirror=(...) | |
37 | * | |
38 | * Hot spares | |
39 | * | |
40 | * While the underlying implementation supports it, group vdevs cannot contain | |
41 | * other group vdevs. All userland verification of devices is contained within | |
42 | * this file. If successful, the nvlist returned can be passed directly to the | |
43 | * kernel; we've done as much verification as possible in userland. | |
44 | * | |
45 | * Hot spares are a special case, and passed down as an array of disk vdevs, at | |
46 | * the same level as the root of the vdev tree. | |
47 | * | |
48 | * The only function exported by this file is 'make_root_vdev'. The | |
49 | * function performs several passes: | |
50 | * | |
51 | * 1. Construct the vdev specification. Performs syntax validation and | |
52 | * makes sure each device is valid. | |
d603ed6c | 53 | * 2. Check for devices in use. Using libblkid to make sure that no |
34dc7c2f BB |
54 | * devices are also in use. Some can be overridden using the 'force' |
55 | * flag, others cannot. | |
56 | * 3. Check for replication errors if the 'force' flag is not specified. | |
57 | * validates that the replication level is consistent across the | |
58 | * entire pool. | |
59 | * 4. Call libzfs to label any whole disks with an EFI label. | |
60 | */ | |
61 | ||
62 | #include <assert.h> | |
d603ed6c | 63 | #include <ctype.h> |
34dc7c2f BB |
64 | #include <devid.h> |
65 | #include <errno.h> | |
66 | #include <fcntl.h> | |
34dc7c2f BB |
67 | #include <libintl.h> |
68 | #include <libnvpair.h> | |
45d1cae3 | 69 | #include <limits.h> |
bff32e09 RY |
70 | #include <scsi/scsi.h> |
71 | #include <scsi/sg.h> | |
34dc7c2f BB |
72 | #include <stdio.h> |
73 | #include <string.h> | |
74 | #include <unistd.h> | |
75 | #include <sys/efi_partition.h> | |
76 | #include <sys/stat.h> | |
77 | #include <sys/vtoc.h> | |
78 | #include <sys/mntent.h> | |
d603ed6c BB |
79 | #include <uuid/uuid.h> |
80 | #ifdef HAVE_LIBBLKID | |
81 | #include <blkid/blkid.h> | |
82 | #else | |
83 | #define blkid_cache void * | |
84 | #endif /* HAVE_LIBBLKID */ | |
34dc7c2f BB |
85 | |
86 | #include "zpool_util.h" | |
bff32e09 | 87 | #include <sys/zfs_context.h> |
34dc7c2f | 88 | |
34dc7c2f BB |
89 | /* |
90 | * For any given vdev specification, we can have multiple errors. The | |
91 | * vdev_error() function keeps track of whether we have seen an error yet, and | |
92 | * prints out a header if its the first error we've seen. | |
93 | */ | |
94 | boolean_t error_seen; | |
95 | boolean_t is_force; | |
96 | ||
bff32e09 RY |
97 | typedef struct vdev_disk_db_entry |
98 | { | |
99 | char id[24]; | |
100 | int sector_size; | |
101 | } vdev_disk_db_entry_t; | |
102 | ||
103 | /* | |
104 | * Database of block devices that lie about physical sector sizes. The | |
105 | * identification string must be precisely 24 characters to avoid false | |
106 | * negatives | |
107 | */ | |
108 | static vdev_disk_db_entry_t vdev_disk_database[] = { | |
3549721c RY |
109 | {"ATA C400-MTFDDAC064M", 8192}, |
110 | {"ATA C400-MTFDDAC128M", 8192}, | |
111 | {"ATA C400-MTFDDAC256M", 8192}, | |
112 | {"ATA C400-MTFDDAC512M", 8192}, | |
bff32e09 | 113 | {"ATA Corsair Force 3 ", 8192}, |
3549721c | 114 | {"ATA Corsair Force GS", 8192}, |
bff32e09 | 115 | {"ATA INTEL SSDSA2CT04", 8192}, |
3549721c RY |
116 | {"ATA INTEL SSDSA2CW04", 8192}, |
117 | {"ATA INTEL SSDSA2CW08", 8192}, | |
118 | {"ATA INTEL SSDSA2CW12", 8192}, | |
bff32e09 | 119 | {"ATA INTEL SSDSA2CW16", 8192}, |
3549721c RY |
120 | {"ATA INTEL SSDSA2CW30", 8192}, |
121 | {"ATA INTEL SSDSA2CW60", 8192}, | |
122 | {"ATA INTEL SSDSC2BA10", 8192}, | |
123 | {"ATA INTEL SSDSC2BA20", 8192}, | |
124 | {"ATA INTEL SSDSC2BA40", 8192}, | |
125 | {"ATA INTEL SSDSC2BA80", 8192}, | |
126 | {"ATA INTEL SSDSC2CT06", 8192}, | |
127 | {"ATA INTEL SSDSC2CT12", 8192}, | |
bff32e09 | 128 | {"ATA INTEL SSDSC2CT18", 8192}, |
3549721c RY |
129 | {"ATA INTEL SSDSC2CT24", 8192}, |
130 | {"ATA INTEL SSDSC2CW06", 8192}, | |
bff32e09 | 131 | {"ATA INTEL SSDSC2CW12", 8192}, |
3549721c RY |
132 | {"ATA INTEL SSDSC2CW18", 8192}, |
133 | {"ATA INTEL SSDSC2CW24", 8192}, | |
134 | {"ATA INTEL SSDSC2CW48", 8192}, | |
bff32e09 | 135 | {"ATA KINGSTON SH100S3", 8192}, |
3549721c | 136 | {"ATA KINGSTON SH103S3", 8192}, |
bff32e09 RY |
137 | {"ATA M4-CT064M4SSD2 ", 8192}, |
138 | {"ATA M4-CT128M4SSD2 ", 8192}, | |
139 | {"ATA M4-CT256M4SSD2 ", 8192}, | |
140 | {"ATA M4-CT512M4SSD2 ", 8192}, | |
141 | {"ATA OCZ-AGILITY2 ", 8192}, | |
142 | {"ATA OCZ-VERTEX2 3.5 ", 8192}, | |
143 | {"ATA OCZ-VERTEX3 ", 8192}, | |
144 | {"ATA OCZ-VERTEX3 LT ", 8192}, | |
145 | {"ATA OCZ-VERTEX3 MI ", 8192}, | |
3549721c RY |
146 | {"ATA OCZ-VERTEX4 ", 8192}, |
147 | {"ATA SAMSUNG MZ7WD120", 8192}, | |
148 | {"ATA SAMSUNG MZ7WD240", 8192}, | |
149 | {"ATA SAMSUNG MZ7WD480", 8192}, | |
150 | {"ATA SAMSUNG MZ7WD960", 8192}, | |
bff32e09 RY |
151 | {"ATA SAMSUNG SSD 830 ", 8192}, |
152 | {"ATA Samsung SSD 840 ", 8192}, | |
3549721c RY |
153 | {"ATA TOSHIBA THNSNH06", 8192}, |
154 | {"ATA TOSHIBA THNSNH12", 8192}, | |
155 | {"ATA TOSHIBA THNSNH25", 8192}, | |
156 | {"ATA TOSHIBA THNSNH51", 8192}, | |
bff32e09 RY |
157 | {"ATA INTEL SSDSA2M040", 4096}, |
158 | {"ATA INTEL SSDSA2M080", 4096}, | |
159 | {"ATA INTEL SSDSA2M160", 4096}, | |
3549721c RY |
160 | {"ATA OCZ CORE_SSD ", 4096}, |
161 | {"ATA SAMSUNG MCCOE32G", 4096}, | |
162 | {"ATA SAMSUNG MCCOE64G", 4096}, | |
bff32e09 RY |
163 | /* Imported from Open Solaris*/ |
164 | {"ATA MARVELL SD88SA02", 4096}, | |
165 | /* Advanced format Hard drives */ | |
166 | {"ATA Hitachi HDS5C303", 4096}, | |
167 | {"ATA SAMSUNG HD204UI ", 4096}, | |
168 | {"ATA ST2000DL004 HD20", 4096}, | |
169 | {"ATA WDC WD10EARS-00M", 4096}, | |
170 | {"ATA WDC WD10EARS-00S", 4096}, | |
171 | {"ATA WDC WD10EARS-00Z", 4096}, | |
172 | {"ATA WDC WD15EARS-00M", 4096}, | |
173 | {"ATA WDC WD15EARS-00S", 4096}, | |
174 | {"ATA WDC WD15EARS-00Z", 4096}, | |
175 | {"ATA WDC WD20EARS-00M", 4096}, | |
176 | {"ATA WDC WD20EARS-00S", 4096}, | |
177 | {"ATA WDC WD20EARS-00Z", 4096}, | |
178 | /* Virtual disks: Assume zvols with default volblocksize */ | |
179 | #if 0 | |
180 | {"ATA QEMU HARDDISK ", 8192}, | |
181 | {"IET VIRTUAL-DISK ", 8192}, | |
182 | {"OI COMSTAR ", 8192}, | |
183 | #endif | |
184 | }; | |
185 | ||
186 | static const int vdev_disk_database_size = | |
187 | sizeof (vdev_disk_database) / sizeof (vdev_disk_database[0]); | |
188 | ||
189 | #define INQ_REPLY_LEN 96 | |
190 | #define INQ_CMD_LEN 6 | |
191 | ||
192 | static boolean_t | |
193 | check_sector_size_database(char *path, int *sector_size) | |
194 | { | |
195 | unsigned char inq_buff[INQ_REPLY_LEN]; | |
196 | unsigned char sense_buffer[32]; | |
197 | unsigned char inq_cmd_blk[INQ_CMD_LEN] = | |
198 | {INQUIRY, 0, 0, 0, INQ_REPLY_LEN, 0}; | |
199 | sg_io_hdr_t io_hdr; | |
200 | int error; | |
201 | int fd; | |
202 | int i; | |
203 | ||
204 | /* Prepare INQUIRY command */ | |
205 | memset(&io_hdr, 0, sizeof(sg_io_hdr_t)); | |
206 | io_hdr.interface_id = 'S'; | |
207 | io_hdr.cmd_len = sizeof(inq_cmd_blk); | |
208 | io_hdr.mx_sb_len = sizeof(sense_buffer); | |
209 | io_hdr.dxfer_direction = SG_DXFER_FROM_DEV; | |
210 | io_hdr.dxfer_len = INQ_REPLY_LEN; | |
211 | io_hdr.dxferp = inq_buff; | |
212 | io_hdr.cmdp = inq_cmd_blk; | |
213 | io_hdr.sbp = sense_buffer; | |
214 | io_hdr.timeout = 10; /* 10 milliseconds is ample time */ | |
215 | ||
216 | if ((fd = open(path, O_RDONLY|O_DIRECT)) < 0) | |
217 | return (B_FALSE); | |
218 | ||
219 | error = ioctl(fd, SG_IO, (unsigned long) &io_hdr); | |
220 | ||
221 | (void) close(fd); | |
222 | ||
223 | if (error < 0) | |
224 | return (B_FALSE); | |
225 | ||
226 | if ((io_hdr.info & SG_INFO_OK_MASK) != SG_INFO_OK) | |
227 | return (B_FALSE); | |
228 | ||
229 | for (i = 0; i < vdev_disk_database_size; i++) { | |
230 | if (memcmp(inq_buff + 8, vdev_disk_database[i].id, 24)) | |
231 | continue; | |
232 | ||
233 | *sector_size = vdev_disk_database[i].sector_size; | |
234 | return (B_TRUE); | |
235 | } | |
236 | ||
237 | return (B_FALSE); | |
238 | } | |
239 | ||
34dc7c2f BB |
240 | /*PRINTFLIKE1*/ |
241 | static void | |
242 | vdev_error(const char *fmt, ...) | |
243 | { | |
244 | va_list ap; | |
245 | ||
246 | if (!error_seen) { | |
247 | (void) fprintf(stderr, gettext("invalid vdev specification\n")); | |
248 | if (!is_force) | |
249 | (void) fprintf(stderr, gettext("use '-f' to override " | |
250 | "the following errors:\n")); | |
251 | else | |
252 | (void) fprintf(stderr, gettext("the following errors " | |
253 | "must be manually repaired:\n")); | |
254 | error_seen = B_TRUE; | |
255 | } | |
256 | ||
257 | va_start(ap, fmt); | |
258 | (void) vfprintf(stderr, fmt, ap); | |
259 | va_end(ap); | |
260 | } | |
261 | ||
34dc7c2f BB |
262 | /* |
263 | * Check that a file is valid. All we can do in this case is check that it's | |
264 | * not in use by another pool, and not in use by swap. | |
265 | */ | |
266 | static int | |
267 | check_file(const char *file, boolean_t force, boolean_t isspare) | |
268 | { | |
269 | char *name; | |
270 | int fd; | |
271 | int ret = 0; | |
34dc7c2f BB |
272 | pool_state_t state; |
273 | boolean_t inuse; | |
274 | ||
34dc7c2f BB |
275 | if ((fd = open(file, O_RDONLY)) < 0) |
276 | return (0); | |
277 | ||
278 | if (zpool_in_use(g_zfs, fd, &state, &name, &inuse) == 0 && inuse) { | |
279 | const char *desc; | |
280 | ||
281 | switch (state) { | |
282 | case POOL_STATE_ACTIVE: | |
283 | desc = gettext("active"); | |
284 | break; | |
285 | ||
286 | case POOL_STATE_EXPORTED: | |
287 | desc = gettext("exported"); | |
288 | break; | |
289 | ||
290 | case POOL_STATE_POTENTIALLY_ACTIVE: | |
291 | desc = gettext("potentially active"); | |
292 | break; | |
293 | ||
294 | default: | |
295 | desc = gettext("unknown"); | |
296 | break; | |
297 | } | |
298 | ||
299 | /* | |
300 | * Allow hot spares to be shared between pools. | |
301 | */ | |
302 | if (state == POOL_STATE_SPARE && isspare) | |
303 | return (0); | |
304 | ||
305 | if (state == POOL_STATE_ACTIVE || | |
306 | state == POOL_STATE_SPARE || !force) { | |
307 | switch (state) { | |
308 | case POOL_STATE_SPARE: | |
309 | vdev_error(gettext("%s is reserved as a hot " | |
310 | "spare for pool %s\n"), file, name); | |
311 | break; | |
312 | default: | |
313 | vdev_error(gettext("%s is part of %s pool " | |
314 | "'%s'\n"), file, desc, name); | |
315 | break; | |
316 | } | |
317 | ret = -1; | |
318 | } | |
319 | ||
320 | free(name); | |
321 | } | |
322 | ||
323 | (void) close(fd); | |
324 | return (ret); | |
325 | } | |
326 | ||
d603ed6c BB |
327 | static void |
328 | check_error(int err) | |
329 | { | |
330 | (void) fprintf(stderr, gettext("warning: device in use checking " | |
331 | "failed: %s\n"), strerror(err)); | |
332 | } | |
333 | ||
334 | static int | |
335 | check_slice(const char *path, blkid_cache cache, int force, boolean_t isspare) | |
336 | { | |
d603ed6c BB |
337 | int err; |
338 | #ifdef HAVE_LIBBLKID | |
339 | char *value; | |
d603ed6c | 340 | |
d603ed6c BB |
341 | /* No valid type detected device is safe to use */ |
342 | value = blkid_get_tag_value(cache, "TYPE", path); | |
343 | if (value == NULL) | |
344 | return (0); | |
345 | ||
346 | /* | |
347 | * If libblkid detects a ZFS device, we check the device | |
348 | * using check_file() to see if it's safe. The one safe | |
349 | * case is a spare device shared between multiple pools. | |
350 | */ | |
351 | if (strcmp(value, "zfs") == 0) { | |
352 | err = check_file(path, force, isspare); | |
353 | } else { | |
354 | if (force) { | |
355 | err = 0; | |
356 | } else { | |
357 | err = -1; | |
358 | vdev_error(gettext("%s contains a filesystem of " | |
359 | "type '%s'\n"), path, value); | |
360 | } | |
361 | } | |
362 | ||
363 | free(value); | |
364 | #else | |
365 | err = check_file(path, force, isspare); | |
366 | #endif /* HAVE_LIBBLKID */ | |
367 | ||
368 | return (err); | |
369 | } | |
370 | ||
371 | /* | |
372 | * Validate a whole disk. Iterate over all slices on the disk and make sure | |
373 | * that none is in use by calling check_slice(). | |
374 | */ | |
375 | static int | |
376 | check_disk(const char *path, blkid_cache cache, int force, | |
377 | boolean_t isspare, boolean_t iswholedisk) | |
378 | { | |
379 | struct dk_gpt *vtoc; | |
380 | char slice_path[MAXPATHLEN]; | |
381 | int err = 0; | |
382 | int fd, i; | |
383 | ||
384 | /* This is not a wholedisk we only check the given partition */ | |
385 | if (!iswholedisk) | |
386 | return check_slice(path, cache, force, isspare); | |
387 | ||
388 | /* | |
389 | * When the device is a whole disk try to read the efi partition | |
390 | * label. If this is successful we safely check the all of the | |
391 | * partitions. However, when it fails it may simply be because | |
392 | * the disk is partitioned via the MBR. Since we currently can | |
393 | * not easily decode the MBR return a failure and prompt to the | |
394 | * user to use force option since we cannot check the partitions. | |
395 | */ | |
8128bd89 | 396 | if ((fd = open(path, O_RDONLY|O_DIRECT)) < 0) { |
d603ed6c BB |
397 | check_error(errno); |
398 | return -1; | |
399 | } | |
400 | ||
401 | if ((err = efi_alloc_and_read(fd, &vtoc)) != 0) { | |
402 | (void) close(fd); | |
403 | ||
404 | if (force) { | |
405 | return 0; | |
406 | } else { | |
407 | vdev_error(gettext("%s does not contain an EFI " | |
408 | "label but it may contain partition\n" | |
409 | "information in the MBR.\n"), path); | |
410 | return -1; | |
411 | } | |
412 | } | |
413 | ||
414 | /* | |
415 | * The primary efi partition label is damaged however the secondary | |
416 | * label at the end of the device is intact. Rather than use this | |
417 | * label we should play it safe and treat this as a non efi device. | |
418 | */ | |
419 | if (vtoc->efi_flags & EFI_GPT_PRIMARY_CORRUPT) { | |
420 | efi_free(vtoc); | |
421 | (void) close(fd); | |
422 | ||
423 | if (force) { | |
424 | /* Partitions will no be created using the backup */ | |
425 | return 0; | |
426 | } else { | |
427 | vdev_error(gettext("%s contains a corrupt primary " | |
428 | "EFI label.\n"), path); | |
429 | return -1; | |
430 | } | |
431 | } | |
432 | ||
433 | for (i = 0; i < vtoc->efi_nparts; i++) { | |
434 | ||
435 | if (vtoc->efi_parts[i].p_tag == V_UNASSIGNED || | |
436 | uuid_is_null((uchar_t *)&vtoc->efi_parts[i].p_guid)) | |
437 | continue; | |
438 | ||
439 | if (strncmp(path, UDISK_ROOT, strlen(UDISK_ROOT)) == 0) | |
440 | (void) snprintf(slice_path, sizeof (slice_path), | |
441 | "%s%s%d", path, "-part", i+1); | |
442 | else | |
443 | (void) snprintf(slice_path, sizeof (slice_path), | |
444 | "%s%s%d", path, isdigit(path[strlen(path)-1]) ? | |
445 | "p" : "", i+1); | |
446 | ||
447 | err = check_slice(slice_path, cache, force, isspare); | |
448 | if (err) | |
449 | break; | |
450 | } | |
451 | ||
452 | efi_free(vtoc); | |
453 | (void) close(fd); | |
454 | ||
8128bd89 | 455 | return (err); |
d603ed6c BB |
456 | } |
457 | ||
458 | static int | |
459 | check_device(const char *path, boolean_t force, | |
460 | boolean_t isspare, boolean_t iswholedisk) | |
461 | { | |
462 | static blkid_cache cache = NULL; | |
463 | ||
464 | #ifdef HAVE_LIBBLKID | |
465 | /* | |
466 | * There is no easy way to add a correct blkid_put_cache() call, | |
467 | * memory will be reclaimed when the command exits. | |
468 | */ | |
469 | if (cache == NULL) { | |
470 | int err; | |
471 | ||
472 | if ((err = blkid_get_cache(&cache, NULL)) != 0) { | |
473 | check_error(err); | |
474 | return -1; | |
475 | } | |
476 | ||
477 | if ((err = blkid_probe_all(cache)) != 0) { | |
478 | blkid_put_cache(cache); | |
479 | check_error(err); | |
480 | return -1; | |
481 | } | |
482 | } | |
483 | #endif /* HAVE_LIBBLKID */ | |
484 | ||
485 | return check_disk(path, cache, force, isspare, iswholedisk); | |
486 | } | |
34dc7c2f BB |
487 | |
488 | /* | |
489 | * By "whole disk" we mean an entire physical disk (something we can | |
490 | * label, toggle the write cache on, etc.) as opposed to the full | |
491 | * capacity of a pseudo-device such as lofi or did. We act as if we | |
492 | * are labeling the disk, which should be a pretty good test of whether | |
493 | * it's a viable device or not. Returns B_TRUE if it is and B_FALSE if | |
494 | * it isn't. | |
495 | */ | |
496 | static boolean_t | |
d603ed6c | 497 | is_whole_disk(const char *path) |
34dc7c2f BB |
498 | { |
499 | struct dk_gpt *label; | |
500 | int fd; | |
34dc7c2f | 501 | |
8128bd89 | 502 | if ((fd = open(path, O_RDONLY|O_DIRECT)) < 0) |
34dc7c2f BB |
503 | return (B_FALSE); |
504 | if (efi_alloc_and_init(fd, EFI_NUMPAR, &label) != 0) { | |
505 | (void) close(fd); | |
506 | return (B_FALSE); | |
507 | } | |
508 | efi_free(label); | |
509 | (void) close(fd); | |
510 | return (B_TRUE); | |
511 | } | |
512 | ||
d603ed6c BB |
513 | /* |
514 | * This may be a shorthand device path or it could be total gibberish. | |
eac47204 BB |
515 | * Check to see if it is a known device available in zfs_vdev_paths. |
516 | * As part of this check, see if we've been given an entire disk | |
517 | * (minus the slice number). | |
d603ed6c BB |
518 | */ |
519 | static int | |
520 | is_shorthand_path(const char *arg, char *path, | |
521 | struct stat64 *statbuf, boolean_t *wholedisk) | |
522 | { | |
eac47204 BB |
523 | int error; |
524 | ||
525 | error = zfs_resolve_shortname(arg, path, MAXPATHLEN); | |
526 | if (error == 0) { | |
d603ed6c | 527 | *wholedisk = is_whole_disk(path); |
79e7242a | 528 | if (*wholedisk || (stat64(path, statbuf) == 0)) |
d603ed6c BB |
529 | return (0); |
530 | } | |
531 | ||
532 | strlcpy(path, arg, sizeof(path)); | |
533 | memset(statbuf, 0, sizeof(*statbuf)); | |
534 | *wholedisk = B_FALSE; | |
535 | ||
eac47204 | 536 | return (error); |
d603ed6c BB |
537 | } |
538 | ||
8128bd89 BB |
539 | /* |
540 | * Determine if the given path is a hot spare within the given configuration. | |
541 | * If no configuration is given we rely solely on the label. | |
542 | */ | |
543 | static boolean_t | |
544 | is_spare(nvlist_t *config, const char *path) | |
545 | { | |
546 | int fd; | |
547 | pool_state_t state; | |
548 | char *name = NULL; | |
549 | nvlist_t *label; | |
550 | uint64_t guid, spareguid; | |
551 | nvlist_t *nvroot; | |
552 | nvlist_t **spares; | |
553 | uint_t i, nspares; | |
554 | boolean_t inuse; | |
555 | ||
556 | if ((fd = open(path, O_RDONLY)) < 0) | |
557 | return (B_FALSE); | |
558 | ||
559 | if (zpool_in_use(g_zfs, fd, &state, &name, &inuse) != 0 || | |
560 | !inuse || | |
561 | state != POOL_STATE_SPARE || | |
562 | zpool_read_label(fd, &label) != 0) { | |
563 | free(name); | |
564 | (void) close(fd); | |
565 | return (B_FALSE); | |
566 | } | |
567 | free(name); | |
568 | (void) close(fd); | |
569 | ||
570 | if (config == NULL) | |
571 | return (B_TRUE); | |
572 | ||
573 | verify(nvlist_lookup_uint64(label, ZPOOL_CONFIG_GUID, &guid) == 0); | |
574 | nvlist_free(label); | |
575 | ||
576 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
577 | &nvroot) == 0); | |
578 | if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
579 | &spares, &nspares) == 0) { | |
580 | for (i = 0; i < nspares; i++) { | |
581 | verify(nvlist_lookup_uint64(spares[i], | |
582 | ZPOOL_CONFIG_GUID, &spareguid) == 0); | |
583 | if (spareguid == guid) | |
584 | return (B_TRUE); | |
585 | } | |
586 | } | |
587 | ||
588 | return (B_FALSE); | |
589 | } | |
590 | ||
34dc7c2f BB |
591 | /* |
592 | * Create a leaf vdev. Determine if this is a file or a device. If it's a | |
593 | * device, fill in the device id to make a complete nvlist. Valid forms for a | |
594 | * leaf vdev are: | |
595 | * | |
eac47204 BB |
596 | * /dev/xxx Complete disk path |
597 | * /xxx Full path to file | |
598 | * xxx Shorthand for <zfs_vdev_paths>/xxx | |
34dc7c2f BB |
599 | */ |
600 | static nvlist_t * | |
df30f566 | 601 | make_leaf_vdev(nvlist_t *props, const char *arg, uint64_t is_log) |
34dc7c2f BB |
602 | { |
603 | char path[MAXPATHLEN]; | |
604 | struct stat64 statbuf; | |
605 | nvlist_t *vdev = NULL; | |
606 | char *type = NULL; | |
607 | boolean_t wholedisk = B_FALSE; | |
bff32e09 | 608 | uint64_t ashift = 0; |
d603ed6c | 609 | int err; |
34dc7c2f BB |
610 | |
611 | /* | |
612 | * Determine what type of vdev this is, and put the full path into | |
613 | * 'path'. We detect whether this is a device of file afterwards by | |
614 | * checking the st_mode of the file. | |
615 | */ | |
616 | if (arg[0] == '/') { | |
617 | /* | |
618 | * Complete device or file path. Exact type is determined by | |
d603ed6c BB |
619 | * examining the file descriptor afterwards. Symbolic links |
620 | * are resolved to their real paths for the is_whole_disk() | |
621 | * and S_ISBLK/S_ISREG type checks. However, we are careful | |
622 | * to store the given path as ZPOOL_CONFIG_PATH to ensure we | |
623 | * can leverage udev's persistent device labels. | |
34dc7c2f | 624 | */ |
d603ed6c | 625 | if (realpath(arg, path) == NULL) { |
34dc7c2f | 626 | (void) fprintf(stderr, |
d603ed6c | 627 | gettext("cannot resolve path '%s'\n"), arg); |
34dc7c2f BB |
628 | return (NULL); |
629 | } | |
630 | ||
34dc7c2f BB |
631 | wholedisk = is_whole_disk(path); |
632 | if (!wholedisk && (stat64(path, &statbuf) != 0)) { | |
d603ed6c BB |
633 | (void) fprintf(stderr, |
634 | gettext("cannot open '%s': %s\n"), | |
635 | path, strerror(errno)); | |
636 | return (NULL); | |
637 | } | |
638 | ||
639 | /* After is_whole_disk() check restore original passed path */ | |
640 | strlcpy(path, arg, MAXPATHLEN); | |
641 | } else { | |
642 | err = is_shorthand_path(arg, path, &statbuf, &wholedisk); | |
643 | if (err != 0) { | |
34dc7c2f BB |
644 | /* |
645 | * If we got ENOENT, then the user gave us | |
646 | * gibberish, so try to direct them with a | |
647 | * reasonable error message. Otherwise, | |
648 | * regurgitate strerror() since it's the best we | |
649 | * can do. | |
650 | */ | |
d603ed6c | 651 | if (err == ENOENT) { |
34dc7c2f BB |
652 | (void) fprintf(stderr, |
653 | gettext("cannot open '%s': no such " | |
654 | "device in %s\n"), arg, DISK_ROOT); | |
655 | (void) fprintf(stderr, | |
656 | gettext("must be a full path or " | |
657 | "shorthand device name\n")); | |
658 | return (NULL); | |
659 | } else { | |
660 | (void) fprintf(stderr, | |
661 | gettext("cannot open '%s': %s\n"), | |
662 | path, strerror(errno)); | |
663 | return (NULL); | |
664 | } | |
665 | } | |
666 | } | |
667 | ||
668 | /* | |
669 | * Determine whether this is a device or a file. | |
670 | */ | |
671 | if (wholedisk || S_ISBLK(statbuf.st_mode)) { | |
672 | type = VDEV_TYPE_DISK; | |
673 | } else if (S_ISREG(statbuf.st_mode)) { | |
674 | type = VDEV_TYPE_FILE; | |
675 | } else { | |
676 | (void) fprintf(stderr, gettext("cannot use '%s': must be a " | |
677 | "block device or regular file\n"), path); | |
678 | return (NULL); | |
679 | } | |
680 | ||
681 | /* | |
682 | * Finally, we have the complete device or file, and we know that it is | |
683 | * acceptable to use. Construct the nvlist to describe this vdev. All | |
684 | * vdevs have a 'path' element, and devices also have a 'devid' element. | |
685 | */ | |
686 | verify(nvlist_alloc(&vdev, NV_UNIQUE_NAME, 0) == 0); | |
687 | verify(nvlist_add_string(vdev, ZPOOL_CONFIG_PATH, path) == 0); | |
688 | verify(nvlist_add_string(vdev, ZPOOL_CONFIG_TYPE, type) == 0); | |
689 | verify(nvlist_add_uint64(vdev, ZPOOL_CONFIG_IS_LOG, is_log) == 0); | |
690 | if (strcmp(type, VDEV_TYPE_DISK) == 0) | |
691 | verify(nvlist_add_uint64(vdev, ZPOOL_CONFIG_WHOLE_DISK, | |
692 | (uint64_t)wholedisk) == 0); | |
693 | ||
bff32e09 RY |
694 | /* |
695 | * Override defaults if custom properties are provided. | |
696 | */ | |
df30f566 | 697 | if (props != NULL) { |
df30f566 CK |
698 | char *value = NULL; |
699 | ||
700 | if (nvlist_lookup_string(props, | |
701 | zpool_prop_to_name(ZPOOL_PROP_ASHIFT), &value) == 0) | |
702 | zfs_nicestrtonum(NULL, value, &ashift); | |
bff32e09 | 703 | } |
df30f566 | 704 | |
bff32e09 RY |
705 | /* |
706 | * If the device is known to incorrectly report its physical sector | |
707 | * size explicitly provide the known correct value. | |
708 | */ | |
709 | if (ashift == 0) { | |
710 | int sector_size; | |
711 | ||
712 | if (check_sector_size_database(path, §or_size) == B_TRUE) | |
713 | ashift = highbit(sector_size) - 1; | |
df30f566 CK |
714 | } |
715 | ||
bff32e09 RY |
716 | if (ashift > 0) |
717 | nvlist_add_uint64(vdev, ZPOOL_CONFIG_ASHIFT, ashift); | |
718 | ||
34dc7c2f BB |
719 | return (vdev); |
720 | } | |
721 | ||
722 | /* | |
723 | * Go through and verify the replication level of the pool is consistent. | |
724 | * Performs the following checks: | |
725 | * | |
726 | * For the new spec, verifies that devices in mirrors and raidz are the | |
727 | * same size. | |
728 | * | |
729 | * If the current configuration already has inconsistent replication | |
730 | * levels, ignore any other potential problems in the new spec. | |
731 | * | |
732 | * Otherwise, make sure that the current spec (if there is one) and the new | |
733 | * spec have consistent replication levels. | |
734 | */ | |
735 | typedef struct replication_level { | |
736 | char *zprl_type; | |
737 | uint64_t zprl_children; | |
738 | uint64_t zprl_parity; | |
739 | } replication_level_t; | |
740 | ||
741 | #define ZPOOL_FUZZ (16 * 1024 * 1024) | |
742 | ||
743 | /* | |
744 | * Given a list of toplevel vdevs, return the current replication level. If | |
745 | * the config is inconsistent, then NULL is returned. If 'fatal' is set, then | |
746 | * an error message will be displayed for each self-inconsistent vdev. | |
747 | */ | |
748 | static replication_level_t * | |
749 | get_replication(nvlist_t *nvroot, boolean_t fatal) | |
750 | { | |
751 | nvlist_t **top; | |
752 | uint_t t, toplevels; | |
753 | nvlist_t **child; | |
754 | uint_t c, children; | |
755 | nvlist_t *nv; | |
756 | char *type; | |
d4ed6673 | 757 | replication_level_t lastrep = { 0 }, rep, *ret; |
34dc7c2f BB |
758 | boolean_t dontreport; |
759 | ||
760 | ret = safe_malloc(sizeof (replication_level_t)); | |
761 | ||
762 | verify(nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
763 | &top, &toplevels) == 0); | |
764 | ||
765 | lastrep.zprl_type = NULL; | |
766 | for (t = 0; t < toplevels; t++) { | |
767 | uint64_t is_log = B_FALSE; | |
768 | ||
769 | nv = top[t]; | |
770 | ||
771 | /* | |
772 | * For separate logs we ignore the top level vdev replication | |
773 | * constraints. | |
774 | */ | |
775 | (void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_LOG, &is_log); | |
776 | if (is_log) | |
777 | continue; | |
778 | ||
779 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, | |
780 | &type) == 0); | |
781 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
782 | &child, &children) != 0) { | |
783 | /* | |
784 | * This is a 'file' or 'disk' vdev. | |
785 | */ | |
786 | rep.zprl_type = type; | |
787 | rep.zprl_children = 1; | |
788 | rep.zprl_parity = 0; | |
789 | } else { | |
790 | uint64_t vdev_size; | |
791 | ||
792 | /* | |
793 | * This is a mirror or RAID-Z vdev. Go through and make | |
794 | * sure the contents are all the same (files vs. disks), | |
795 | * keeping track of the number of elements in the | |
796 | * process. | |
797 | * | |
798 | * We also check that the size of each vdev (if it can | |
799 | * be determined) is the same. | |
800 | */ | |
801 | rep.zprl_type = type; | |
802 | rep.zprl_children = 0; | |
803 | ||
804 | if (strcmp(type, VDEV_TYPE_RAIDZ) == 0) { | |
805 | verify(nvlist_lookup_uint64(nv, | |
806 | ZPOOL_CONFIG_NPARITY, | |
807 | &rep.zprl_parity) == 0); | |
808 | assert(rep.zprl_parity != 0); | |
809 | } else { | |
810 | rep.zprl_parity = 0; | |
811 | } | |
812 | ||
813 | /* | |
814 | * The 'dontreport' variable indicates that we've | |
815 | * already reported an error for this spec, so don't | |
816 | * bother doing it again. | |
817 | */ | |
818 | type = NULL; | |
819 | dontreport = 0; | |
820 | vdev_size = -1ULL; | |
821 | for (c = 0; c < children; c++) { | |
822 | nvlist_t *cnv = child[c]; | |
823 | char *path; | |
824 | struct stat64 statbuf; | |
825 | uint64_t size = -1ULL; | |
826 | char *childtype; | |
827 | int fd, err; | |
828 | ||
829 | rep.zprl_children++; | |
830 | ||
831 | verify(nvlist_lookup_string(cnv, | |
832 | ZPOOL_CONFIG_TYPE, &childtype) == 0); | |
833 | ||
834 | /* | |
835 | * If this is a replacing or spare vdev, then | |
836 | * get the real first child of the vdev. | |
837 | */ | |
838 | if (strcmp(childtype, | |
839 | VDEV_TYPE_REPLACING) == 0 || | |
840 | strcmp(childtype, VDEV_TYPE_SPARE) == 0) { | |
841 | nvlist_t **rchild; | |
842 | uint_t rchildren; | |
843 | ||
844 | verify(nvlist_lookup_nvlist_array(cnv, | |
845 | ZPOOL_CONFIG_CHILDREN, &rchild, | |
846 | &rchildren) == 0); | |
847 | assert(rchildren == 2); | |
848 | cnv = rchild[0]; | |
849 | ||
850 | verify(nvlist_lookup_string(cnv, | |
851 | ZPOOL_CONFIG_TYPE, | |
852 | &childtype) == 0); | |
853 | } | |
854 | ||
855 | verify(nvlist_lookup_string(cnv, | |
856 | ZPOOL_CONFIG_PATH, &path) == 0); | |
857 | ||
858 | /* | |
859 | * If we have a raidz/mirror that combines disks | |
860 | * with files, report it as an error. | |
861 | */ | |
862 | if (!dontreport && type != NULL && | |
863 | strcmp(type, childtype) != 0) { | |
864 | if (ret != NULL) | |
865 | free(ret); | |
866 | ret = NULL; | |
867 | if (fatal) | |
868 | vdev_error(gettext( | |
869 | "mismatched replication " | |
870 | "level: %s contains both " | |
871 | "files and devices\n"), | |
872 | rep.zprl_type); | |
873 | else | |
874 | return (NULL); | |
875 | dontreport = B_TRUE; | |
876 | } | |
877 | ||
878 | /* | |
879 | * According to stat(2), the value of 'st_size' | |
880 | * is undefined for block devices and character | |
881 | * devices. But there is no effective way to | |
882 | * determine the real size in userland. | |
883 | * | |
884 | * Instead, we'll take advantage of an | |
885 | * implementation detail of spec_size(). If the | |
886 | * device is currently open, then we (should) | |
887 | * return a valid size. | |
888 | * | |
889 | * If we still don't get a valid size (indicated | |
890 | * by a size of 0 or MAXOFFSET_T), then ignore | |
891 | * this device altogether. | |
892 | */ | |
893 | if ((fd = open(path, O_RDONLY)) >= 0) { | |
894 | err = fstat64(fd, &statbuf); | |
895 | (void) close(fd); | |
896 | } else { | |
897 | err = stat64(path, &statbuf); | |
898 | } | |
899 | ||
900 | if (err != 0 || | |
901 | statbuf.st_size == 0 || | |
902 | statbuf.st_size == MAXOFFSET_T) | |
903 | continue; | |
904 | ||
905 | size = statbuf.st_size; | |
906 | ||
907 | /* | |
908 | * Also make sure that devices and | |
909 | * slices have a consistent size. If | |
910 | * they differ by a significant amount | |
911 | * (~16MB) then report an error. | |
912 | */ | |
913 | if (!dontreport && | |
914 | (vdev_size != -1ULL && | |
915 | (labs(size - vdev_size) > | |
916 | ZPOOL_FUZZ))) { | |
917 | if (ret != NULL) | |
918 | free(ret); | |
919 | ret = NULL; | |
920 | if (fatal) | |
921 | vdev_error(gettext( | |
922 | "%s contains devices of " | |
923 | "different sizes\n"), | |
924 | rep.zprl_type); | |
925 | else | |
926 | return (NULL); | |
927 | dontreport = B_TRUE; | |
928 | } | |
929 | ||
930 | type = childtype; | |
931 | vdev_size = size; | |
932 | } | |
933 | } | |
934 | ||
935 | /* | |
936 | * At this point, we have the replication of the last toplevel | |
937 | * vdev in 'rep'. Compare it to 'lastrep' to see if its | |
938 | * different. | |
939 | */ | |
940 | if (lastrep.zprl_type != NULL) { | |
941 | if (strcmp(lastrep.zprl_type, rep.zprl_type) != 0) { | |
942 | if (ret != NULL) | |
943 | free(ret); | |
944 | ret = NULL; | |
945 | if (fatal) | |
946 | vdev_error(gettext( | |
947 | "mismatched replication level: " | |
948 | "both %s and %s vdevs are " | |
949 | "present\n"), | |
950 | lastrep.zprl_type, rep.zprl_type); | |
951 | else | |
952 | return (NULL); | |
953 | } else if (lastrep.zprl_parity != rep.zprl_parity) { | |
954 | if (ret) | |
955 | free(ret); | |
956 | ret = NULL; | |
957 | if (fatal) | |
958 | vdev_error(gettext( | |
959 | "mismatched replication level: " | |
960 | "both %llu and %llu device parity " | |
961 | "%s vdevs are present\n"), | |
962 | lastrep.zprl_parity, | |
963 | rep.zprl_parity, | |
964 | rep.zprl_type); | |
965 | else | |
966 | return (NULL); | |
967 | } else if (lastrep.zprl_children != rep.zprl_children) { | |
968 | if (ret) | |
969 | free(ret); | |
970 | ret = NULL; | |
971 | if (fatal) | |
972 | vdev_error(gettext( | |
973 | "mismatched replication level: " | |
974 | "both %llu-way and %llu-way %s " | |
975 | "vdevs are present\n"), | |
976 | lastrep.zprl_children, | |
977 | rep.zprl_children, | |
978 | rep.zprl_type); | |
979 | else | |
980 | return (NULL); | |
981 | } | |
982 | } | |
983 | lastrep = rep; | |
984 | } | |
985 | ||
986 | if (ret != NULL) | |
987 | *ret = rep; | |
988 | ||
989 | return (ret); | |
990 | } | |
991 | ||
992 | /* | |
993 | * Check the replication level of the vdev spec against the current pool. Calls | |
994 | * get_replication() to make sure the new spec is self-consistent. If the pool | |
995 | * has a consistent replication level, then we ignore any errors. Otherwise, | |
996 | * report any difference between the two. | |
997 | */ | |
998 | static int | |
999 | check_replication(nvlist_t *config, nvlist_t *newroot) | |
1000 | { | |
1001 | nvlist_t **child; | |
1002 | uint_t children; | |
1003 | replication_level_t *current = NULL, *new; | |
1004 | int ret; | |
1005 | ||
1006 | /* | |
1007 | * If we have a current pool configuration, check to see if it's | |
1008 | * self-consistent. If not, simply return success. | |
1009 | */ | |
1010 | if (config != NULL) { | |
1011 | nvlist_t *nvroot; | |
1012 | ||
1013 | verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, | |
1014 | &nvroot) == 0); | |
1015 | if ((current = get_replication(nvroot, B_FALSE)) == NULL) | |
1016 | return (0); | |
1017 | } | |
1018 | /* | |
1019 | * for spares there may be no children, and therefore no | |
1020 | * replication level to check | |
1021 | */ | |
1022 | if ((nvlist_lookup_nvlist_array(newroot, ZPOOL_CONFIG_CHILDREN, | |
1023 | &child, &children) != 0) || (children == 0)) { | |
1024 | free(current); | |
1025 | return (0); | |
1026 | } | |
1027 | ||
1028 | /* | |
1029 | * If all we have is logs then there's no replication level to check. | |
1030 | */ | |
1031 | if (num_logs(newroot) == children) { | |
1032 | free(current); | |
1033 | return (0); | |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * Get the replication level of the new vdev spec, reporting any | |
1038 | * inconsistencies found. | |
1039 | */ | |
1040 | if ((new = get_replication(newroot, B_TRUE)) == NULL) { | |
1041 | free(current); | |
1042 | return (-1); | |
1043 | } | |
1044 | ||
1045 | /* | |
1046 | * Check to see if the new vdev spec matches the replication level of | |
1047 | * the current pool. | |
1048 | */ | |
1049 | ret = 0; | |
1050 | if (current != NULL) { | |
1051 | if (strcmp(current->zprl_type, new->zprl_type) != 0) { | |
1052 | vdev_error(gettext( | |
1053 | "mismatched replication level: pool uses %s " | |
1054 | "and new vdev is %s\n"), | |
1055 | current->zprl_type, new->zprl_type); | |
1056 | ret = -1; | |
1057 | } else if (current->zprl_parity != new->zprl_parity) { | |
1058 | vdev_error(gettext( | |
1059 | "mismatched replication level: pool uses %llu " | |
1060 | "device parity and new vdev uses %llu\n"), | |
1061 | current->zprl_parity, new->zprl_parity); | |
1062 | ret = -1; | |
1063 | } else if (current->zprl_children != new->zprl_children) { | |
1064 | vdev_error(gettext( | |
1065 | "mismatched replication level: pool uses %llu-way " | |
1066 | "%s and new vdev uses %llu-way %s\n"), | |
1067 | current->zprl_children, current->zprl_type, | |
1068 | new->zprl_children, new->zprl_type); | |
1069 | ret = -1; | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | free(new); | |
1074 | if (current != NULL) | |
1075 | free(current); | |
1076 | ||
1077 | return (ret); | |
1078 | } | |
1079 | ||
d603ed6c BB |
1080 | static int |
1081 | zero_label(char *path) | |
1082 | { | |
1083 | const int size = 4096; | |
1084 | char buf[size]; | |
1085 | int err, fd; | |
1086 | ||
1087 | if ((fd = open(path, O_WRONLY|O_EXCL)) < 0) { | |
1088 | (void) fprintf(stderr, gettext("cannot open '%s': %s\n"), | |
1089 | path, strerror(errno)); | |
1090 | return (-1); | |
1091 | } | |
1092 | ||
1093 | memset(buf, 0, size); | |
1094 | err = write(fd, buf, size); | |
1095 | (void) fdatasync(fd); | |
1096 | (void) close(fd); | |
1097 | ||
1098 | if (err == -1) { | |
1099 | (void) fprintf(stderr, gettext("cannot zero first %d bytes " | |
1100 | "of '%s': %s\n"), size, path, strerror(errno)); | |
1101 | return (-1); | |
1102 | } | |
1103 | ||
1104 | if (err != size) { | |
1105 | (void) fprintf(stderr, gettext("could only zero %d/%d bytes " | |
1106 | "of '%s'\n"), err, size, path); | |
1107 | return (-1); | |
1108 | } | |
1109 | ||
1110 | return 0; | |
1111 | } | |
1112 | ||
34dc7c2f BB |
1113 | /* |
1114 | * Go through and find any whole disks in the vdev specification, labelling them | |
1115 | * as appropriate. When constructing the vdev spec, we were unable to open this | |
1116 | * device in order to provide a devid. Now that we have labelled the disk and | |
1117 | * know that slice 0 is valid, we can construct the devid now. | |
1118 | * | |
1119 | * If the disk was already labeled with an EFI label, we will have gotten the | |
1120 | * devid already (because we were able to open the whole disk). Otherwise, we | |
1121 | * need to get the devid after we label the disk. | |
1122 | */ | |
1123 | static int | |
1124 | make_disks(zpool_handle_t *zhp, nvlist_t *nv) | |
1125 | { | |
1126 | nvlist_t **child; | |
1127 | uint_t c, children; | |
8128bd89 | 1128 | char *type, *path; |
d877ac6b NB |
1129 | char devpath[MAXPATHLEN]; |
1130 | char udevpath[MAXPATHLEN]; | |
34dc7c2f | 1131 | uint64_t wholedisk; |
d877ac6b | 1132 | struct stat64 statbuf; |
8128bd89 BB |
1133 | int is_exclusive = 0; |
1134 | int fd; | |
34dc7c2f | 1135 | int ret; |
34dc7c2f BB |
1136 | |
1137 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); | |
1138 | ||
1139 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1140 | &child, &children) != 0) { | |
1141 | ||
1142 | if (strcmp(type, VDEV_TYPE_DISK) != 0) | |
1143 | return (0); | |
1144 | ||
1145 | /* | |
d603ed6c BB |
1146 | * We have a disk device. If this is a whole disk write |
1147 | * out the efi partition table, otherwise write zero's to | |
1148 | * the first 4k of the partition. This is to ensure that | |
1149 | * libblkid will not misidentify the partition due to a | |
1150 | * magic value left by the previous filesystem. | |
34dc7c2f | 1151 | */ |
d603ed6c BB |
1152 | verify(!nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path)); |
1153 | verify(!nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK, | |
1154 | &wholedisk)); | |
1155 | ||
1156 | if (!wholedisk) { | |
8128bd89 BB |
1157 | (void) zero_label(path); |
1158 | return (0); | |
d603ed6c BB |
1159 | } |
1160 | ||
d877ac6b | 1161 | if (realpath(path, devpath) == NULL) { |
d603ed6c BB |
1162 | ret = errno; |
1163 | (void) fprintf(stderr, | |
1164 | gettext("cannot resolve path '%s'\n"), path); | |
1165 | return (ret); | |
1166 | } | |
34dc7c2f | 1167 | |
d877ac6b NB |
1168 | /* |
1169 | * Remove any previously existing symlink from a udev path to | |
1170 | * the device before labeling the disk. This makes | |
1171 | * zpool_label_disk_wait() truly wait for the new link to show | |
1172 | * up instead of returning if it finds an old link still in | |
1173 | * place. Otherwise there is a window between when udev | |
1174 | * deletes and recreates the link during which access attempts | |
1175 | * will fail with ENOENT. | |
1176 | */ | |
eac47204 BB |
1177 | strncpy(udevpath, path, MAXPATHLEN); |
1178 | (void) zfs_append_partition(udevpath, MAXPATHLEN); | |
1179 | ||
8128bd89 BB |
1180 | fd = open(devpath, O_RDWR|O_EXCL); |
1181 | if (fd == -1) { | |
1182 | if (errno == EBUSY) | |
1183 | is_exclusive = 1; | |
1184 | } else { | |
1185 | (void) close(fd); | |
1186 | } | |
34dc7c2f BB |
1187 | |
1188 | /* | |
8128bd89 BB |
1189 | * If the partition exists, contains a valid spare label, |
1190 | * and is opened exclusively there is no need to partition | |
1191 | * it. Hot spares have already been partitioned and are | |
1192 | * held open exclusively by the kernel as a safety measure. | |
1193 | * | |
1194 | * If the provided path is for a /dev/disk/ device its | |
1195 | * symbolic link will be removed, partition table created, | |
1196 | * and then block until udev creates the new link. | |
34dc7c2f | 1197 | */ |
8128bd89 BB |
1198 | if (!is_exclusive || !is_spare(NULL, udevpath)) { |
1199 | ret = strncmp(udevpath,UDISK_ROOT,strlen(UDISK_ROOT)); | |
1200 | if (ret == 0) { | |
1201 | ret = lstat64(udevpath, &statbuf); | |
1202 | if (ret == 0 && S_ISLNK(statbuf.st_mode)) | |
1203 | (void) unlink(udevpath); | |
1204 | } | |
1205 | ||
1206 | if (zpool_label_disk(g_zfs, zhp, | |
1207 | strrchr(devpath, '/') + 1) == -1) | |
1208 | return (-1); | |
1209 | ||
11cb9d77 | 1210 | ret = zpool_label_disk_wait(udevpath, DISK_LABEL_WAIT); |
8128bd89 BB |
1211 | if (ret) { |
1212 | (void) fprintf(stderr, gettext("cannot " | |
1213 | "resolve path '%s': %d\n"), udevpath, ret); | |
1214 | return (-1); | |
1215 | } | |
1216 | ||
1217 | (void) zero_label(udevpath); | |
34dc7c2f BB |
1218 | } |
1219 | ||
34dc7c2f | 1220 | /* |
eac47204 | 1221 | * Update the path to refer to the partition. The presence of |
34dc7c2f | 1222 | * the 'whole_disk' field indicates to the CLI that we should |
eac47204 | 1223 | * chop off the partition number when displaying the device in |
34dc7c2f BB |
1224 | * future output. |
1225 | */ | |
d877ac6b | 1226 | verify(nvlist_add_string(nv, ZPOOL_CONFIG_PATH, udevpath) == 0); |
34dc7c2f | 1227 | |
34dc7c2f BB |
1228 | return (0); |
1229 | } | |
1230 | ||
1231 | for (c = 0; c < children; c++) | |
1232 | if ((ret = make_disks(zhp, child[c])) != 0) | |
1233 | return (ret); | |
1234 | ||
1235 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
1236 | &child, &children) == 0) | |
1237 | for (c = 0; c < children; c++) | |
1238 | if ((ret = make_disks(zhp, child[c])) != 0) | |
1239 | return (ret); | |
1240 | ||
1241 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
1242 | &child, &children) == 0) | |
1243 | for (c = 0; c < children; c++) | |
1244 | if ((ret = make_disks(zhp, child[c])) != 0) | |
1245 | return (ret); | |
1246 | ||
1247 | return (0); | |
1248 | } | |
1249 | ||
34dc7c2f BB |
1250 | /* |
1251 | * Go through and find any devices that are in use. We rely on libdiskmgt for | |
1252 | * the majority of this task. | |
1253 | */ | |
1254 | static int | |
428870ff BB |
1255 | check_in_use(nvlist_t *config, nvlist_t *nv, boolean_t force, |
1256 | boolean_t replacing, boolean_t isspare) | |
34dc7c2f BB |
1257 | { |
1258 | nvlist_t **child; | |
1259 | uint_t c, children; | |
1260 | char *type, *path; | |
d603ed6c | 1261 | int ret = 0; |
34dc7c2f | 1262 | char buf[MAXPATHLEN]; |
d603ed6c | 1263 | uint64_t wholedisk = B_FALSE; |
34dc7c2f BB |
1264 | |
1265 | verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); | |
1266 | ||
1267 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, | |
1268 | &child, &children) != 0) { | |
1269 | ||
d603ed6c BB |
1270 | verify(!nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path)); |
1271 | if (strcmp(type, VDEV_TYPE_DISK) == 0) | |
1272 | verify(!nvlist_lookup_uint64(nv, | |
1273 | ZPOOL_CONFIG_WHOLE_DISK, &wholedisk)); | |
34dc7c2f BB |
1274 | |
1275 | /* | |
1276 | * As a generic check, we look to see if this is a replace of a | |
1277 | * hot spare within the same pool. If so, we allow it | |
d603ed6c | 1278 | * regardless of what libblkid or zpool_in_use() says. |
34dc7c2f | 1279 | */ |
428870ff | 1280 | if (replacing) { |
8128bd89 BB |
1281 | (void) strlcpy(buf, path, sizeof (buf)); |
1282 | if (wholedisk) { | |
1283 | ret = zfs_append_partition(buf, sizeof (buf)); | |
1284 | if (ret == -1) | |
1285 | return (-1); | |
1286 | } | |
428870ff | 1287 | |
34dc7c2f BB |
1288 | if (is_spare(config, buf)) |
1289 | return (0); | |
1290 | } | |
1291 | ||
1292 | if (strcmp(type, VDEV_TYPE_DISK) == 0) | |
d603ed6c | 1293 | ret = check_device(path, force, isspare, wholedisk); |
34dc7c2f BB |
1294 | |
1295 | if (strcmp(type, VDEV_TYPE_FILE) == 0) | |
1296 | ret = check_file(path, force, isspare); | |
1297 | ||
1298 | return (ret); | |
1299 | } | |
1300 | ||
1301 | for (c = 0; c < children; c++) | |
1302 | if ((ret = check_in_use(config, child[c], force, | |
428870ff | 1303 | replacing, B_FALSE)) != 0) |
34dc7c2f BB |
1304 | return (ret); |
1305 | ||
1306 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, | |
1307 | &child, &children) == 0) | |
1308 | for (c = 0; c < children; c++) | |
1309 | if ((ret = check_in_use(config, child[c], force, | |
428870ff | 1310 | replacing, B_TRUE)) != 0) |
34dc7c2f BB |
1311 | return (ret); |
1312 | ||
1313 | if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, | |
1314 | &child, &children) == 0) | |
1315 | for (c = 0; c < children; c++) | |
1316 | if ((ret = check_in_use(config, child[c], force, | |
428870ff | 1317 | replacing, B_FALSE)) != 0) |
34dc7c2f BB |
1318 | return (ret); |
1319 | ||
1320 | return (0); | |
1321 | } | |
1322 | ||
1323 | static const char * | |
45d1cae3 | 1324 | is_grouping(const char *type, int *mindev, int *maxdev) |
34dc7c2f | 1325 | { |
45d1cae3 BB |
1326 | if (strncmp(type, "raidz", 5) == 0) { |
1327 | const char *p = type + 5; | |
1328 | char *end; | |
1329 | long nparity; | |
1330 | ||
1331 | if (*p == '\0') { | |
1332 | nparity = 1; | |
1333 | } else if (*p == '0') { | |
1334 | return (NULL); /* no zero prefixes allowed */ | |
1335 | } else { | |
1336 | errno = 0; | |
1337 | nparity = strtol(p, &end, 10); | |
1338 | if (errno != 0 || nparity < 1 || nparity >= 255 || | |
1339 | *end != '\0') | |
1340 | return (NULL); | |
1341 | } | |
34dc7c2f | 1342 | |
34dc7c2f | 1343 | if (mindev != NULL) |
45d1cae3 BB |
1344 | *mindev = nparity + 1; |
1345 | if (maxdev != NULL) | |
1346 | *maxdev = 255; | |
34dc7c2f BB |
1347 | return (VDEV_TYPE_RAIDZ); |
1348 | } | |
1349 | ||
45d1cae3 BB |
1350 | if (maxdev != NULL) |
1351 | *maxdev = INT_MAX; | |
1352 | ||
34dc7c2f BB |
1353 | if (strcmp(type, "mirror") == 0) { |
1354 | if (mindev != NULL) | |
1355 | *mindev = 2; | |
1356 | return (VDEV_TYPE_MIRROR); | |
1357 | } | |
1358 | ||
1359 | if (strcmp(type, "spare") == 0) { | |
1360 | if (mindev != NULL) | |
1361 | *mindev = 1; | |
1362 | return (VDEV_TYPE_SPARE); | |
1363 | } | |
1364 | ||
1365 | if (strcmp(type, "log") == 0) { | |
1366 | if (mindev != NULL) | |
1367 | *mindev = 1; | |
1368 | return (VDEV_TYPE_LOG); | |
1369 | } | |
1370 | ||
1371 | if (strcmp(type, "cache") == 0) { | |
1372 | if (mindev != NULL) | |
1373 | *mindev = 1; | |
1374 | return (VDEV_TYPE_L2CACHE); | |
1375 | } | |
1376 | ||
1377 | return (NULL); | |
1378 | } | |
1379 | ||
1380 | /* | |
1381 | * Construct a syntactically valid vdev specification, | |
1382 | * and ensure that all devices and files exist and can be opened. | |
1383 | * Note: we don't bother freeing anything in the error paths | |
1384 | * because the program is just going to exit anyway. | |
1385 | */ | |
1386 | nvlist_t * | |
df30f566 | 1387 | construct_spec(nvlist_t *props, int argc, char **argv) |
34dc7c2f BB |
1388 | { |
1389 | nvlist_t *nvroot, *nv, **top, **spares, **l2cache; | |
45d1cae3 | 1390 | int t, toplevels, mindev, maxdev, nspares, nlogs, nl2cache; |
34dc7c2f BB |
1391 | const char *type; |
1392 | uint64_t is_log; | |
1393 | boolean_t seen_logs; | |
1394 | ||
1395 | top = NULL; | |
1396 | toplevels = 0; | |
1397 | spares = NULL; | |
1398 | l2cache = NULL; | |
1399 | nspares = 0; | |
1400 | nlogs = 0; | |
1401 | nl2cache = 0; | |
1402 | is_log = B_FALSE; | |
1403 | seen_logs = B_FALSE; | |
1404 | ||
1405 | while (argc > 0) { | |
1406 | nv = NULL; | |
1407 | ||
1408 | /* | |
1409 | * If it's a mirror or raidz, the subsequent arguments are | |
1410 | * its leaves -- until we encounter the next mirror or raidz. | |
1411 | */ | |
45d1cae3 | 1412 | if ((type = is_grouping(argv[0], &mindev, &maxdev)) != NULL) { |
34dc7c2f BB |
1413 | nvlist_t **child = NULL; |
1414 | int c, children = 0; | |
1415 | ||
1416 | if (strcmp(type, VDEV_TYPE_SPARE) == 0) { | |
1417 | if (spares != NULL) { | |
1418 | (void) fprintf(stderr, | |
1419 | gettext("invalid vdev " | |
1420 | "specification: 'spare' can be " | |
1421 | "specified only once\n")); | |
1422 | return (NULL); | |
1423 | } | |
1424 | is_log = B_FALSE; | |
1425 | } | |
1426 | ||
1427 | if (strcmp(type, VDEV_TYPE_LOG) == 0) { | |
1428 | if (seen_logs) { | |
1429 | (void) fprintf(stderr, | |
1430 | gettext("invalid vdev " | |
1431 | "specification: 'log' can be " | |
1432 | "specified only once\n")); | |
1433 | return (NULL); | |
1434 | } | |
1435 | seen_logs = B_TRUE; | |
1436 | is_log = B_TRUE; | |
1437 | argc--; | |
1438 | argv++; | |
1439 | /* | |
1440 | * A log is not a real grouping device. | |
1441 | * We just set is_log and continue. | |
1442 | */ | |
1443 | continue; | |
1444 | } | |
1445 | ||
1446 | if (strcmp(type, VDEV_TYPE_L2CACHE) == 0) { | |
1447 | if (l2cache != NULL) { | |
1448 | (void) fprintf(stderr, | |
1449 | gettext("invalid vdev " | |
1450 | "specification: 'cache' can be " | |
1451 | "specified only once\n")); | |
1452 | return (NULL); | |
1453 | } | |
1454 | is_log = B_FALSE; | |
1455 | } | |
1456 | ||
1457 | if (is_log) { | |
1458 | if (strcmp(type, VDEV_TYPE_MIRROR) != 0) { | |
1459 | (void) fprintf(stderr, | |
1460 | gettext("invalid vdev " | |
1461 | "specification: unsupported 'log' " | |
1462 | "device: %s\n"), type); | |
1463 | return (NULL); | |
1464 | } | |
1465 | nlogs++; | |
1466 | } | |
1467 | ||
1468 | for (c = 1; c < argc; c++) { | |
45d1cae3 | 1469 | if (is_grouping(argv[c], NULL, NULL) != NULL) |
34dc7c2f BB |
1470 | break; |
1471 | children++; | |
1472 | child = realloc(child, | |
1473 | children * sizeof (nvlist_t *)); | |
1474 | if (child == NULL) | |
1475 | zpool_no_memory(); | |
df30f566 | 1476 | if ((nv = make_leaf_vdev(props, argv[c], B_FALSE)) |
34dc7c2f BB |
1477 | == NULL) |
1478 | return (NULL); | |
1479 | child[children - 1] = nv; | |
1480 | } | |
1481 | ||
1482 | if (children < mindev) { | |
1483 | (void) fprintf(stderr, gettext("invalid vdev " | |
1484 | "specification: %s requires at least %d " | |
1485 | "devices\n"), argv[0], mindev); | |
1486 | return (NULL); | |
1487 | } | |
1488 | ||
45d1cae3 BB |
1489 | if (children > maxdev) { |
1490 | (void) fprintf(stderr, gettext("invalid vdev " | |
1491 | "specification: %s supports no more than " | |
1492 | "%d devices\n"), argv[0], maxdev); | |
1493 | return (NULL); | |
1494 | } | |
1495 | ||
34dc7c2f BB |
1496 | argc -= c; |
1497 | argv += c; | |
1498 | ||
1499 | if (strcmp(type, VDEV_TYPE_SPARE) == 0) { | |
1500 | spares = child; | |
1501 | nspares = children; | |
1502 | continue; | |
1503 | } else if (strcmp(type, VDEV_TYPE_L2CACHE) == 0) { | |
1504 | l2cache = child; | |
1505 | nl2cache = children; | |
1506 | continue; | |
1507 | } else { | |
1508 | verify(nvlist_alloc(&nv, NV_UNIQUE_NAME, | |
1509 | 0) == 0); | |
1510 | verify(nvlist_add_string(nv, ZPOOL_CONFIG_TYPE, | |
1511 | type) == 0); | |
1512 | verify(nvlist_add_uint64(nv, | |
1513 | ZPOOL_CONFIG_IS_LOG, is_log) == 0); | |
1514 | if (strcmp(type, VDEV_TYPE_RAIDZ) == 0) { | |
1515 | verify(nvlist_add_uint64(nv, | |
1516 | ZPOOL_CONFIG_NPARITY, | |
1517 | mindev - 1) == 0); | |
1518 | } | |
1519 | verify(nvlist_add_nvlist_array(nv, | |
1520 | ZPOOL_CONFIG_CHILDREN, child, | |
1521 | children) == 0); | |
1522 | ||
1523 | for (c = 0; c < children; c++) | |
1524 | nvlist_free(child[c]); | |
1525 | free(child); | |
1526 | } | |
1527 | } else { | |
1528 | /* | |
1529 | * We have a device. Pass off to make_leaf_vdev() to | |
1530 | * construct the appropriate nvlist describing the vdev. | |
1531 | */ | |
df30f566 | 1532 | if ((nv = make_leaf_vdev(props, argv[0], is_log)) == NULL) |
34dc7c2f BB |
1533 | return (NULL); |
1534 | if (is_log) | |
1535 | nlogs++; | |
1536 | argc--; | |
1537 | argv++; | |
1538 | } | |
1539 | ||
1540 | toplevels++; | |
1541 | top = realloc(top, toplevels * sizeof (nvlist_t *)); | |
1542 | if (top == NULL) | |
1543 | zpool_no_memory(); | |
1544 | top[toplevels - 1] = nv; | |
1545 | } | |
1546 | ||
1547 | if (toplevels == 0 && nspares == 0 && nl2cache == 0) { | |
1548 | (void) fprintf(stderr, gettext("invalid vdev " | |
1549 | "specification: at least one toplevel vdev must be " | |
1550 | "specified\n")); | |
1551 | return (NULL); | |
1552 | } | |
1553 | ||
1554 | if (seen_logs && nlogs == 0) { | |
1555 | (void) fprintf(stderr, gettext("invalid vdev specification: " | |
1556 | "log requires at least 1 device\n")); | |
1557 | return (NULL); | |
1558 | } | |
1559 | ||
1560 | /* | |
1561 | * Finally, create nvroot and add all top-level vdevs to it. | |
1562 | */ | |
1563 | verify(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, 0) == 0); | |
1564 | verify(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE, | |
1565 | VDEV_TYPE_ROOT) == 0); | |
1566 | verify(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, | |
1567 | top, toplevels) == 0); | |
1568 | if (nspares != 0) | |
1569 | verify(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, | |
1570 | spares, nspares) == 0); | |
1571 | if (nl2cache != 0) | |
1572 | verify(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, | |
1573 | l2cache, nl2cache) == 0); | |
1574 | ||
1575 | for (t = 0; t < toplevels; t++) | |
1576 | nvlist_free(top[t]); | |
1577 | for (t = 0; t < nspares; t++) | |
1578 | nvlist_free(spares[t]); | |
1579 | for (t = 0; t < nl2cache; t++) | |
1580 | nvlist_free(l2cache[t]); | |
1581 | if (spares) | |
1582 | free(spares); | |
1583 | if (l2cache) | |
1584 | free(l2cache); | |
1585 | free(top); | |
1586 | ||
1587 | return (nvroot); | |
1588 | } | |
1589 | ||
428870ff BB |
1590 | nvlist_t * |
1591 | split_mirror_vdev(zpool_handle_t *zhp, char *newname, nvlist_t *props, | |
1592 | splitflags_t flags, int argc, char **argv) | |
1593 | { | |
1594 | nvlist_t *newroot = NULL, **child; | |
1595 | uint_t c, children; | |
1596 | ||
1597 | if (argc > 0) { | |
df30f566 | 1598 | if ((newroot = construct_spec(props, argc, argv)) == NULL) { |
428870ff BB |
1599 | (void) fprintf(stderr, gettext("Unable to build a " |
1600 | "pool from the specified devices\n")); | |
1601 | return (NULL); | |
1602 | } | |
1603 | ||
1604 | if (!flags.dryrun && make_disks(zhp, newroot) != 0) { | |
1605 | nvlist_free(newroot); | |
1606 | return (NULL); | |
1607 | } | |
1608 | ||
1609 | /* avoid any tricks in the spec */ | |
1610 | verify(nvlist_lookup_nvlist_array(newroot, | |
1611 | ZPOOL_CONFIG_CHILDREN, &child, &children) == 0); | |
1612 | for (c = 0; c < children; c++) { | |
1613 | char *path; | |
1614 | const char *type; | |
1615 | int min, max; | |
1616 | ||
1617 | verify(nvlist_lookup_string(child[c], | |
1618 | ZPOOL_CONFIG_PATH, &path) == 0); | |
1619 | if ((type = is_grouping(path, &min, &max)) != NULL) { | |
1620 | (void) fprintf(stderr, gettext("Cannot use " | |
1621 | "'%s' as a device for splitting\n"), type); | |
1622 | nvlist_free(newroot); | |
1623 | return (NULL); | |
1624 | } | |
1625 | } | |
1626 | } | |
1627 | ||
1628 | if (zpool_vdev_split(zhp, newname, &newroot, props, flags) != 0) { | |
1629 | if (newroot != NULL) | |
1630 | nvlist_free(newroot); | |
1631 | return (NULL); | |
1632 | } | |
1633 | ||
1634 | return (newroot); | |
1635 | } | |
34dc7c2f BB |
1636 | |
1637 | /* | |
1638 | * Get and validate the contents of the given vdev specification. This ensures | |
1639 | * that the nvlist returned is well-formed, that all the devices exist, and that | |
1640 | * they are not currently in use by any other known consumer. The 'poolconfig' | |
1641 | * parameter is the current configuration of the pool when adding devices | |
1642 | * existing pool, and is used to perform additional checks, such as changing the | |
1643 | * replication level of the pool. It can be 'NULL' to indicate that this is a | |
1644 | * new pool. The 'force' flag controls whether devices should be forcefully | |
1645 | * added, even if they appear in use. | |
1646 | */ | |
1647 | nvlist_t * | |
df30f566 | 1648 | make_root_vdev(zpool_handle_t *zhp, nvlist_t *props, int force, int check_rep, |
428870ff | 1649 | boolean_t replacing, boolean_t dryrun, int argc, char **argv) |
34dc7c2f BB |
1650 | { |
1651 | nvlist_t *newroot; | |
1652 | nvlist_t *poolconfig = NULL; | |
1653 | is_force = force; | |
1654 | ||
1655 | /* | |
1656 | * Construct the vdev specification. If this is successful, we know | |
1657 | * that we have a valid specification, and that all devices can be | |
1658 | * opened. | |
1659 | */ | |
df30f566 | 1660 | if ((newroot = construct_spec(props, argc, argv)) == NULL) |
34dc7c2f BB |
1661 | return (NULL); |
1662 | ||
1663 | if (zhp && ((poolconfig = zpool_get_config(zhp, NULL)) == NULL)) | |
1664 | return (NULL); | |
1665 | ||
1666 | /* | |
1667 | * Validate each device to make sure that its not shared with another | |
1668 | * subsystem. We do this even if 'force' is set, because there are some | |
1669 | * uses (such as a dedicated dump device) that even '-f' cannot | |
1670 | * override. | |
1671 | */ | |
428870ff | 1672 | if (check_in_use(poolconfig, newroot, force, replacing, B_FALSE) != 0) { |
34dc7c2f BB |
1673 | nvlist_free(newroot); |
1674 | return (NULL); | |
1675 | } | |
1676 | ||
1677 | /* | |
1678 | * Check the replication level of the given vdevs and report any errors | |
1679 | * found. We include the existing pool spec, if any, as we need to | |
1680 | * catch changes against the existing replication level. | |
1681 | */ | |
1682 | if (check_rep && check_replication(poolconfig, newroot) != 0) { | |
1683 | nvlist_free(newroot); | |
1684 | return (NULL); | |
1685 | } | |
1686 | ||
1687 | /* | |
1688 | * Run through the vdev specification and label any whole disks found. | |
1689 | */ | |
b128c09f | 1690 | if (!dryrun && make_disks(zhp, newroot) != 0) { |
34dc7c2f BB |
1691 | nvlist_free(newroot); |
1692 | return (NULL); | |
1693 | } | |
1694 | ||
1695 | return (newroot); | |
1696 | } |