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Commit | Line | Data |
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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
18361a1a | 4 | * Copyright (C) 2001-2012 Neil Brown <neilb@suse.de> |
64c4757e NB |
5 | * |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * Author: Neil Brown | |
e736b623 | 22 | * Email: <neilb@suse.de> |
c82f047c | 23 | * |
aba69144 | 24 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 25 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
26 | */ |
27 | ||
9a9dab36 | 28 | #include "mdadm.h" |
64c4757e | 29 | #include "md_p.h" |
dd0781e5 | 30 | #include <ctype.h> |
64c4757e | 31 | |
3cbc4d12 N |
32 | |
33 | static int scan_assemble(int autof, struct supertype *ss, | |
34 | int readonly, int runstop, | |
35 | struct mddev_ident *ident, | |
36 | char *homehost, int require_homehost, | |
37 | int verbose, int force, | |
38 | int freeze_reshape); | |
7d27d1c0 N |
39 | static int misc_scan(char devmode, int verbose, int export, int test, |
40 | char *homehost, char *prefer); | |
41 | static int stop_scan(int quiet); | |
42 | static int misc_list(struct mddev_dev *devlist, | |
43 | int brief, int verbose, int export, int test, | |
44 | char *homehost, char *prefer, char *subarray, | |
45 | char *update, struct mddev_ident *ident, | |
46 | struct supertype *ss, int force, int quiet); | |
47 | ||
3cbc4d12 | 48 | |
52826846 NB |
49 | int main(int argc, char *argv[]) |
50 | { | |
e0d19036 | 51 | int mode = 0; |
52826846 | 52 | int opt; |
e0d19036 | 53 | int option_index; |
52826846 | 54 | int rv; |
f9ce90ba | 55 | int i; |
52826846 NB |
56 | |
57 | int chunk = 0; | |
5dd497ee | 58 | long long size = -1; |
84e11361 | 59 | long long array_size = -1; |
98c6faba NB |
60 | int level = UnSet; |
61 | int layout = UnSet; | |
19678e53 | 62 | char *layout_str = NULL; |
52826846 NB |
63 | int raiddisks = 0; |
64 | int sparedisks = 0; | |
fa56eddb | 65 | struct mddev_ident ident; |
52826846 | 66 | char *configfile = NULL; |
5787fa49 | 67 | char *update = NULL; |
52826846 | 68 | int scan = 0; |
1c7a808c | 69 | int devmode = 0; |
52826846 NB |
70 | int runstop = 0; |
71 | int readonly = 0; | |
dfd4d8ee | 72 | int write_behind = 0; |
c82f047c NB |
73 | int bitmap_fd = -1; |
74 | char *bitmap_file = NULL; | |
06b0d786 | 75 | char *backup_file = NULL; |
87f26d14 | 76 | int invalid_backup = 0; |
c82f047c | 77 | int bitmap_chunk = UnSet; |
bd526cee | 78 | int SparcAdjust = 0; |
a655e550 N |
79 | struct mddev_dev *devlist = NULL; |
80 | struct mddev_dev **devlistend = & devlist; | |
81 | struct mddev_dev *dv; | |
52826846 NB |
82 | int devs_found = 0; |
83 | int verbose = 0; | |
dab6685f | 84 | int quiet = 0; |
cd29a5c8 | 85 | int brief = 0; |
52826846 | 86 | int force = 0; |
feb716e9 | 87 | int test = 0; |
54bad364 | 88 | int export = 0; |
dd0781e5 | 89 | int assume_clean = 0; |
c2ecf5f6 | 90 | char *prefer = NULL; |
38098016 | 91 | char *symlinks = NULL; |
2dddadb0 | 92 | int grow_continue = 0; |
f1ae21c4 NB |
93 | /* autof indicates whether and how to create device node. |
94 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
95 | * 0 - unset | |
96 | * 1 - don't create (no) | |
97 | * 2 - if is_standard, then create (yes) | |
98 | * 3 - create as 'md' - reject is_standard mdp (md) | |
99 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
100 | * 5 - default to md if not is_standard (md in config file) | |
101 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
102 | */ | |
103 | int autof = 0; | |
52826846 | 104 | |
997aed5d | 105 | char *homehost = NULL; |
05697ec1 | 106 | char sys_hostname[256]; |
0ac91628 | 107 | int require_homehost = 1; |
52826846 NB |
108 | char *mailaddr = NULL; |
109 | char *program = NULL; | |
9a36a9b7 | 110 | int increments = 20; |
52826846 | 111 | int delay = 0; |
d013a55e | 112 | int daemonise = 0; |
b5e64645 | 113 | char *pidfile = NULL; |
aa88f531 | 114 | int oneshot = 0; |
edde9560 | 115 | int spare_sharing = 1; |
82d9eba6 | 116 | struct supertype *ss = NULL; |
dfd4d8ee | 117 | int writemostly = 0; |
c06487ce | 118 | char *shortopt = short_options; |
773135f5 | 119 | int dosyslog = 0; |
8382f19b | 120 | int rebuild_map = 0; |
33414a01 | 121 | char *subarray = NULL; |
950bc344 | 122 | char *remove_path = NULL; |
20b60dcd | 123 | char *udev_filename = NULL; |
52826846 | 124 | |
3d4064cc | 125 | int print_help = 0; |
0047d254 | 126 | FILE *outf; |
e5329c37 | 127 | |
52826846 NB |
128 | int mdfd = -1; |
129 | ||
b76b30e0 AK |
130 | int freeze_reshape = 0; |
131 | ||
dfe47e00 NB |
132 | srandom(time(0) ^ getpid()); |
133 | ||
52826846 | 134 | ident.uuid_set=0; |
98c6faba NB |
135 | ident.level = UnSet; |
136 | ident.raid_disks = UnSet; | |
137 | ident.super_minor= UnSet; | |
52826846 | 138 | ident.devices=0; |
a75f2fbc NB |
139 | ident.spare_group = NULL; |
140 | ident.autof = 0; | |
a825febc | 141 | ident.st = NULL; |
c82f047c | 142 | ident.bitmap_fd = -1; |
7ef02d01 | 143 | ident.bitmap_file = NULL; |
947fd4dd | 144 | ident.name[0] = 0; |
aef35714 N |
145 | ident.container = NULL; |
146 | ident.member = NULL; | |
52826846 | 147 | |
e0d19036 NB |
148 | while ((option_index = -1) , |
149 | (opt=getopt_long(argc, argv, | |
c06487ce | 150 | shortopt, long_options, |
e0d19036 NB |
151 | &option_index)) != -1) { |
152 | int newmode = mode; | |
35904960 | 153 | /* firstly, some mode-independent options */ |
52826846 | 154 | switch(opt) { |
1c7a808c N |
155 | case HelpOptions: |
156 | print_help = 2; | |
157 | continue; | |
52826846 | 158 | case 'h': |
1c7a808c | 159 | print_help = 1; |
3d4064cc | 160 | continue; |
52826846 NB |
161 | |
162 | case 'V': | |
163 | fputs(Version, stderr); | |
164 | exit(0); | |
165 | ||
22892d56 | 166 | case 'v': verbose++; |
52826846 NB |
167 | continue; |
168 | ||
dab6685f NB |
169 | case 'q': quiet++; |
170 | continue; | |
171 | ||
c82f047c | 172 | case 'b': |
1c7a808c N |
173 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE |
174 | || mode == GROW || mode == INCREMENTAL | |
175 | || mode == MANAGE) | |
c82f047c | 176 | break; /* b means bitmap */ |
1c7a808c | 177 | case Brief: |
c82f047c | 178 | brief = 1; |
cd29a5c8 NB |
179 | continue; |
180 | ||
54bad364 KS |
181 | case 'Y': export++; |
182 | continue; | |
183 | ||
997aed5d | 184 | case HomeHost: |
0ac91628 N |
185 | if (strcasecmp(optarg, "<ignore>") == 0) |
186 | require_homehost = 0; | |
187 | else | |
188 | homehost = optarg; | |
997aed5d NB |
189 | continue; |
190 | ||
08ca2adf JS |
191 | /* |
192 | * --offroot sets first char of argv[0] to @. This is used | |
18361a1a | 193 | * by systemd to signal that the task was launched from |
08ca2adf JS |
194 | * initrd/initramfs and should be preserved during shutdown |
195 | */ | |
196 | case OffRootOpt: | |
197 | argv[0][0] = '@'; | |
a0963a86 | 198 | __offroot = 1; |
08ca2adf JS |
199 | continue; |
200 | ||
c2ecf5f6 N |
201 | case Prefer: |
202 | if (prefer) | |
203 | free(prefer); | |
204 | if (asprintf(&prefer, "/%s/", optarg) <= 0) | |
205 | prefer = NULL; | |
206 | continue; | |
207 | ||
e0d19036 NB |
208 | case ':': |
209 | case '?': | |
210 | fputs(Usage, stderr); | |
211 | exit(2); | |
212 | } | |
213 | /* second, figure out the mode. | |
214 | * Some options force the mode. Others | |
aba69144 | 215 | * set the mode if it isn't already |
e0d19036 NB |
216 | */ |
217 | ||
218 | switch(opt) { | |
1c7a808c | 219 | case ManageOpt: |
c06487ce | 220 | newmode = MANAGE; |
024768c4 | 221 | shortopt = short_bitmap_options; |
c06487ce | 222 | break; |
e0d19036 | 223 | case 'a': |
1c7a808c | 224 | case Add: |
e0d19036 | 225 | case 'r': |
1c7a808c | 226 | case Remove: |
e0d19036 | 227 | case 'f': |
1c7a808c | 228 | case Fail: |
41a3b72a | 229 | case ReAdd: /* re-add */ |
c06487ce NB |
230 | if (!mode) { |
231 | newmode = MANAGE; | |
024768c4 | 232 | shortopt = short_bitmap_options; |
c06487ce | 233 | } |
0320ea45 | 234 | break; |
e0d19036 | 235 | |
18361a1a N |
236 | case 'A': newmode = ASSEMBLE; |
237 | shortopt = short_bitmap_auto_options; | |
238 | break; | |
239 | case 'B': newmode = BUILD; | |
240 | shortopt = short_bitmap_auto_options; | |
241 | break; | |
242 | case 'C': newmode = CREATE; | |
243 | shortopt = short_bitmap_auto_options; | |
244 | break; | |
245 | case 'F': newmode = MONITOR; | |
246 | break; | |
024768c4 DL |
247 | case 'G': newmode = GROW; |
248 | shortopt = short_bitmap_options; | |
249 | break; | |
95b79df0 | 250 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
251 | shortopt = short_bitmap_auto_options; |
252 | break; | |
1f48664b | 253 | case AutoDetect: |
5a53aeec JS |
254 | newmode = AUTODETECT; |
255 | break; | |
e0d19036 | 256 | |
1c7a808c | 257 | case MiscOpt: |
e0d19036 NB |
258 | case 'D': |
259 | case 'E': | |
c82f047c | 260 | case 'X': |
5a53aeec JS |
261 | case 'Q': |
262 | newmode = MISC; | |
263 | break; | |
264 | ||
e0d19036 NB |
265 | case 'R': |
266 | case 'S': | |
267 | case 'o': | |
268 | case 'w': | |
b90c0e9a | 269 | case 'W': |
1c7a808c | 270 | case WaitOpt: |
1770662b | 271 | case Waitclean: |
4cce4069 | 272 | case DetailPlatform: |
33414a01 | 273 | case KillSubarray: |
aa534678 | 274 | case UpdateSubarray: |
20b60dcd | 275 | case UdevRules: |
f7d3febc | 276 | case KillOpt: |
5a53aeec JS |
277 | if (!mode) |
278 | newmode = MISC; | |
279 | break; | |
280 | ||
281 | case NoSharing: | |
282 | newmode = MONITOR; | |
283 | break; | |
e0d19036 NB |
284 | } |
285 | if (mode && newmode == mode) { | |
286 | /* everybody happy ! */ | |
287 | } else if (mode && newmode != mode) { | |
288 | /* not allowed.. */ | |
e7b84f9d | 289 | pr_err(""); |
e0d19036 NB |
290 | if (option_index >= 0) |
291 | fprintf(stderr, "--%s", long_options[option_index].name); | |
292 | else | |
293 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 294 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
295 | map_num(modes, newmode), |
296 | map_num(modes, mode)); | |
297 | exit(2); | |
298 | } else if (!mode && newmode) { | |
299 | mode = newmode; | |
dec18cae | 300 | if (mode == MISC && devs_found) { |
e7b84f9d | 301 | pr_err("No action given for %s in --misc mode\n", |
dec18cae N |
302 | devlist->devname); |
303 | fprintf(stderr," Action options must come before device names\n"); | |
304 | exit(2); | |
305 | } | |
e0d19036 NB |
306 | } else { |
307 | /* special case of -c --help */ | |
1c7a808c | 308 | if ((opt == 'c' || opt == ConfigFile) && |
e0d19036 NB |
309 | ( strncmp(optarg, "--h", 3)==0 || |
310 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 311 | fputs(Help_config, stdout); |
e0d19036 | 312 | exit(0); |
cd29a5c8 | 313 | } |
0320ea45 NB |
314 | |
315 | /* If first option is a device, don't force the mode yet */ | |
316 | if (opt == 1) { | |
317 | if (devs_found == 0) { | |
503975b9 | 318 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
319 | dv->devname = optarg; |
320 | dv->disposition = devmode; | |
dfd4d8ee | 321 | dv->writemostly = writemostly; |
da6b5ca9 | 322 | dv->used = 0; |
0320ea45 NB |
323 | dv->next = NULL; |
324 | *devlistend = dv; | |
325 | devlistend = &dv->next; | |
aba69144 | 326 | |
0320ea45 NB |
327 | devs_found++; |
328 | continue; | |
329 | } | |
330 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 331 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 332 | " (%s) is listed\n", optarg); |
0320ea45 NB |
333 | exit(2); |
334 | } | |
e0d19036 | 335 | if (option_index >= 0) |
e7b84f9d | 336 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 337 | else |
e7b84f9d | 338 | pr_err("-%c", opt); |
0320ea45 | 339 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
340 | exit(2); |
341 | } | |
342 | ||
343 | /* if we just set the mode, then done */ | |
344 | switch(opt) { | |
1c7a808c N |
345 | case ManageOpt: |
346 | case MiscOpt: | |
e0d19036 NB |
347 | case 'A': |
348 | case 'B': | |
349 | case 'C': | |
350 | case 'F': | |
dd0781e5 | 351 | case 'G': |
8382f19b | 352 | case 'I': |
1f48664b | 353 | case AutoDetect: |
e0d19036 NB |
354 | continue; |
355 | } | |
356 | if (opt == 1) { | |
357 | /* an undecorated option - must be a device name. | |
358 | */ | |
1c7a808c | 359 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
e7b84f9d | 360 | pr_err("Must give one of -a/-r/-f" |
1c7a808c | 361 | " for subsequent devices at %s\n", optarg); |
52826846 NB |
362 | exit(2); |
363 | } | |
1c7a808c | 364 | if (devs_found > 0 && mode == GROW && !devmode) { |
e7b84f9d N |
365 | pr_err("Must give -a/--add for" |
366 | " devices to add: %s\n", optarg); | |
e5329c37 NB |
367 | exit(2); |
368 | } | |
503975b9 | 369 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
370 | dv->devname = optarg; |
371 | dv->disposition = devmode; | |
dfd4d8ee | 372 | dv->writemostly = writemostly; |
9008ed1c | 373 | dv->used = 0; |
cd29a5c8 NB |
374 | dv->next = NULL; |
375 | *devlistend = dv; | |
376 | devlistend = &dv->next; | |
aba69144 | 377 | |
52826846 NB |
378 | devs_found++; |
379 | continue; | |
682c7051 | 380 | } |
682c7051 | 381 | |
52826846 NB |
382 | /* We've got a mode, and opt is now something else which |
383 | * could depend on the mode */ | |
1c7a808c | 384 | #define O(a,b) ((a<<16)|b) |
52826846 | 385 | switch (O(mode,opt)) { |
7236ee7a | 386 | case O(GROW,'c'): |
1c7a808c | 387 | case O(GROW,ChunkSize): |
e0d19036 | 388 | case O(CREATE,'c'): |
1c7a808c | 389 | case O(CREATE,ChunkSize): |
e0d19036 | 390 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 391 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
52826846 | 392 | if (chunk) { |
e7b84f9d | 393 | pr_err("chunk/rounding may only be specified once. " |
52826846 NB |
394 | "Second value is %s.\n", optarg); |
395 | exit(2); | |
396 | } | |
36fad8ec | 397 | chunk = parse_size(optarg); |
a252c078 | 398 | if (chunk < 8 || (chunk&1)) { |
e7b84f9d | 399 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
400 | optarg); |
401 | exit(2); | |
402 | } | |
a252c078 | 403 | /* Convert sectors to K */ |
36fad8ec | 404 | chunk /= 2; |
52826846 | 405 | continue; |
64c4757e | 406 | |
8382f19b | 407 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
408 | case O(CREATE,'e'): |
409 | case O(ASSEMBLE,'e'): | |
410 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
411 | if (ss) { | |
e7b84f9d | 412 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
413 | exit(2); |
414 | } | |
aba69144 | 415 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
416 | ss = superlist[i]->match_metadata_desc(optarg); |
417 | ||
f9ce90ba | 418 | if (!ss) { |
e7b84f9d | 419 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
420 | exit(2); |
421 | } | |
422 | continue; | |
423 | ||
dfd4d8ee | 424 | case O(MANAGE,'W'): |
1c7a808c | 425 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 426 | case O(BUILD,'W'): |
1c7a808c | 427 | case O(BUILD,WriteMostly): |
dfd4d8ee | 428 | case O(CREATE,'W'): |
1c7a808c | 429 | case O(CREATE,WriteMostly): |
dfd4d8ee NB |
430 | /* set write-mostly for following devices */ |
431 | writemostly = 1; | |
432 | continue; | |
433 | ||
b3d31955 N |
434 | case O(MANAGE,'w'): |
435 | /* clear write-mostly for following devices */ | |
436 | writemostly = 2; | |
437 | continue; | |
438 | ||
439 | ||
dd0781e5 | 440 | case O(GROW,'z'): |
25affb56 PC |
441 | case O(CREATE,'z'): |
442 | case O(BUILD,'z'): /* size */ | |
dd0781e5 | 443 | if (size >= 0) { |
e7b84f9d | 444 | pr_err("size may only be specified once. " |
52826846 NB |
445 | "Second value is %s.\n", optarg); |
446 | exit(2); | |
447 | } | |
dd0781e5 NB |
448 | if (strcmp(optarg, "max")==0) |
449 | size = 0; | |
450 | else { | |
5f4fc0e1 N |
451 | size = parse_size(optarg); |
452 | if (size < 8) { | |
e7b84f9d | 453 | pr_err("invalid size: %s\n", |
dd0781e5 NB |
454 | optarg); |
455 | exit(2); | |
456 | } | |
5f4fc0e1 N |
457 | /* convert sectors to K */ |
458 | size /= 2; | |
52826846 NB |
459 | } |
460 | continue; | |
64c4757e | 461 | |
84e11361 N |
462 | case O(GROW,'Z'): /* array size */ |
463 | if (array_size >= 0) { | |
e7b84f9d | 464 | pr_err("array-size may only be specified once. " |
84e11361 N |
465 | "Second value is %s.\n", optarg); |
466 | exit(2); | |
467 | } | |
468 | if (strcmp(optarg, "max") == 0) | |
469 | array_size = 0; | |
470 | else { | |
471 | array_size = parse_size(optarg); | |
472 | if (array_size <= 0) { | |
e7b84f9d | 473 | pr_err("invalid array size: %s\n", |
84e11361 N |
474 | optarg); |
475 | exit(2); | |
476 | } | |
477 | } | |
478 | continue; | |
479 | ||
7236ee7a | 480 | case O(GROW,'l'): |
e0d19036 NB |
481 | case O(CREATE,'l'): |
482 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 483 | if (level != UnSet) { |
e7b84f9d | 484 | pr_err("raid level may only be set once. " |
52826846 NB |
485 | "Second value is %s.\n", optarg); |
486 | exit(2); | |
487 | } | |
488 | level = map_name(pers, optarg); | |
98c6faba | 489 | if (level == UnSet) { |
e7b84f9d | 490 | pr_err("invalid raid level: %s\n", |
52826846 NB |
491 | optarg); |
492 | exit(2); | |
493 | } | |
e0fe762a N |
494 | if (level != 0 && level != LEVEL_LINEAR && level != 1 && |
495 | level != LEVEL_MULTIPATH && level != LEVEL_FAULTY && | |
496 | level != 10 && | |
497 | mode == BUILD) { | |
e7b84f9d | 498 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
499 | optarg); |
500 | exit(2); | |
501 | } | |
e0d19036 | 502 | if (sparedisks > 0 && level < 1 && level >= -1) { |
e7b84f9d | 503 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
504 | optarg); |
505 | exit(2); | |
506 | } | |
cd29a5c8 | 507 | ident.level = level; |
52826846 | 508 | continue; |
64c4757e | 509 | |
19678e53 | 510 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 511 | case O(GROW, Layout): |
19678e53 | 512 | if (layout_str) { |
e7b84f9d N |
513 | pr_err("layout may only be sent once. " |
514 | "Second value was %s\n", optarg); | |
19678e53 N |
515 | exit(2); |
516 | } | |
517 | layout_str = optarg; | |
518 | /* 'Grow' will parse the value */ | |
519 | continue; | |
520 | ||
e0d19036 | 521 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 522 | case O(CREATE,Layout): |
b5e64645 | 523 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 524 | case O(BUILD,Layout): |
e5329c37 | 525 | if (layout != UnSet) { |
e7b84f9d N |
526 | pr_err("layout may only be sent once. " |
527 | "Second value was %s\n", optarg); | |
52826846 NB |
528 | exit(2); |
529 | } | |
530 | switch(level) { | |
531 | default: | |
e7b84f9d | 532 | pr_err("layout not meaningful for %s arrays.\n", |
52826846 NB |
533 | map_num(pers, level)); |
534 | exit(2); | |
98c6faba | 535 | case UnSet: |
e7b84f9d | 536 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
537 | exit(2); |
538 | ||
539 | case 5: | |
540 | layout = map_name(r5layout, optarg); | |
98c6faba | 541 | if (layout==UnSet) { |
e7b84f9d | 542 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
543 | optarg); |
544 | exit(2); | |
545 | } | |
546 | break; | |
b640a252 N |
547 | case 6: |
548 | layout = map_name(r6layout, optarg); | |
549 | if (layout==UnSet) { | |
e7b84f9d | 550 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
551 | optarg); |
552 | exit(2); | |
553 | } | |
554 | break; | |
e5329c37 NB |
555 | |
556 | case 10: | |
4a06e2c2 N |
557 | layout = parse_layout_10(optarg); |
558 | if (layout < 0) { | |
e7b84f9d | 559 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
560 | exit(2); |
561 | } | |
e5329c37 | 562 | break; |
19678e53 N |
563 | case LEVEL_FAULTY: |
564 | /* Faulty | |
565 | * modeNNN | |
566 | */ | |
4a06e2c2 N |
567 | layout = parse_layout_faulty(optarg); |
568 | if (layout == -1) { | |
e7b84f9d | 569 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
570 | optarg); |
571 | exit(2); | |
572 | } | |
4a06e2c2 | 573 | break; |
52826846 NB |
574 | } |
575 | continue; | |
576 | ||
997aed5d NB |
577 | case O(CREATE,AssumeClean): |
578 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 579 | case O(GROW,AssumeClean): |
dd0781e5 NB |
580 | assume_clean = 1; |
581 | continue; | |
582 | ||
583 | case O(GROW,'n'): | |
e0d19036 NB |
584 | case O(CREATE,'n'): |
585 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 586 | if (raiddisks) { |
e7b84f9d | 587 | pr_err("raid-devices set twice: %d and %s\n", |
52826846 NB |
588 | raiddisks, optarg); |
589 | exit(2); | |
590 | } | |
79868890 N |
591 | raiddisks = parse_num(optarg); |
592 | if (raiddisks <= 0) { | |
e7b84f9d | 593 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
594 | optarg); |
595 | exit(2); | |
596 | } | |
cd29a5c8 | 597 | ident.raid_disks = raiddisks; |
52826846 NB |
598 | continue; |
599 | ||
18361a1a | 600 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
52826846 | 601 | if (sparedisks) { |
e7b84f9d N |
602 | pr_err("spare-devices set twice: %d and %s\n", |
603 | sparedisks, optarg); | |
52826846 NB |
604 | exit(2); |
605 | } | |
98c6faba | 606 | if (level != UnSet && level <= 0 && level >= -1) { |
e7b84f9d | 607 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
608 | level); |
609 | exit(2); | |
610 | } | |
79868890 N |
611 | sparedisks = parse_num(optarg); |
612 | if (sparedisks < 0) { | |
e7b84f9d | 613 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
614 | optarg); |
615 | exit(2); | |
616 | } | |
617 | continue; | |
dd0781e5 NB |
618 | |
619 | case O(CREATE,'a'): | |
1c7a808c | 620 | case O(CREATE,Auto): |
dd0781e5 | 621 | case O(BUILD,'a'): |
1c7a808c | 622 | case O(BUILD,Auto): |
95b79df0 | 623 | case O(INCREMENTAL,'a'): |
1c7a808c N |
624 | case O(INCREMENTAL,Auto): |
625 | case O(ASSEMBLE,'a'): | |
626 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
f1ae21c4 | 627 | autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
628 | continue; |
629 | ||
38098016 NB |
630 | case O(CREATE,Symlinks): |
631 | case O(BUILD,Symlinks): | |
632 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
633 | symlinks = optarg; | |
634 | continue; | |
635 | ||
aa88f531 | 636 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 637 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 638 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 639 | case O(GROW,Force): /* ditto */ |
e0d19036 | 640 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 641 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 642 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 643 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 644 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 645 | case O(MISC,Force): /* force zero */ |
11b391ec | 646 | case O(MANAGE,Force): /* add device which is too large */ |
52826846 NB |
647 | force=1; |
648 | continue; | |
52826846 | 649 | /* now for the Assemble options */ |
b76b30e0 AK |
650 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
651 | * initrd phase */ | |
652 | case O(INCREMENTAL, FreezeReshape): | |
653 | freeze_reshape = 1; | |
654 | continue; | |
3d3dd91e | 655 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 656 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 657 | if (ident.uuid_set) { |
e7b84f9d | 658 | pr_err("uuid cannot be set twice. " |
52826846 NB |
659 | "Second value %s.\n", optarg); |
660 | exit(2); | |
661 | } | |
662 | if (parse_uuid(optarg, ident.uuid)) | |
663 | ident.uuid_set = 1; | |
664 | else { | |
e7b84f9d | 665 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
666 | exit(2); |
667 | } | |
668 | continue; | |
669 | ||
947fd4dd NB |
670 | case O(CREATE,'N'): |
671 | case O(ASSEMBLE,'N'): | |
aa534678 | 672 | case O(MISC,'N'): |
947fd4dd | 673 | if (ident.name[0]) { |
e7b84f9d | 674 | pr_err("name cannot be set twice. " |
947fd4dd NB |
675 | "Second value %s.\n", optarg); |
676 | exit(2); | |
677 | } | |
aa534678 | 678 | if (mode == MISC && !subarray) { |
e7b84f9d | 679 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
680 | exit(2); |
681 | } | |
947fd4dd | 682 | if (strlen(optarg) > 32) { |
e7b84f9d | 683 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
684 | optarg); |
685 | exit(2); | |
686 | } | |
687 | strcpy(ident.name, optarg); | |
688 | continue; | |
689 | ||
e0d19036 | 690 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 691 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 692 | if (ident.super_minor != UnSet) { |
e7b84f9d | 693 | pr_err("super-minor cannot be set twice. " |
cd29a5c8 NB |
694 | "Second value: %s.\n", optarg); |
695 | exit(2); | |
696 | } | |
d013a55e NB |
697 | if (strcmp(optarg, "dev")==0) |
698 | ident.super_minor = -2; | |
699 | else { | |
79868890 N |
700 | ident.super_minor = parse_num(optarg); |
701 | if (ident.super_minor < 0) { | |
e7b84f9d | 702 | pr_err("Bad super-minor number: %s.\n", optarg); |
d013a55e NB |
703 | exit(2); |
704 | } | |
cd29a5c8 NB |
705 | } |
706 | continue; | |
707 | ||
0ea8f5b1 N |
708 | case O(ASSEMBLE,'o'): |
709 | case O(MANAGE,'o'): | |
710 | case O(CREATE,'o'): | |
711 | readonly = 1; | |
712 | continue; | |
713 | ||
5787fa49 | 714 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 715 | case O(MISC,'U'): |
5787fa49 | 716 | if (update) { |
e7b84f9d | 717 | pr_err("Can only update one aspect" |
833bb0f8 | 718 | " of superblock, both %s and %s given.\n", |
5787fa49 NB |
719 | update, optarg); |
720 | exit(2); | |
721 | } | |
aa534678 | 722 | if (mode == MISC && !subarray) { |
e7b84f9d | 723 | pr_err("Only subarrays can be" |
833bb0f8 | 724 | " updated in misc mode\n"); |
aa534678 DW |
725 | exit(2); |
726 | } | |
5787fa49 | 727 | update = optarg; |
aba69144 | 728 | if (strcmp(update, "sparc2.2")==0) |
e5329c37 | 729 | continue; |
5787fa49 NB |
730 | if (strcmp(update, "super-minor") == 0) |
731 | continue; | |
feb716e9 NB |
732 | if (strcmp(update, "summaries")==0) |
733 | continue; | |
e5329c37 NB |
734 | if (strcmp(update, "resync")==0) |
735 | continue; | |
7d99579f NB |
736 | if (strcmp(update, "uuid")==0) |
737 | continue; | |
c4f12c13 NB |
738 | if (strcmp(update, "name")==0) |
739 | continue; | |
0237e0ca NB |
740 | if (strcmp(update, "homehost")==0) |
741 | continue; | |
bee8ec56 NB |
742 | if (strcmp(update, "devicesize")==0) |
743 | continue; | |
5a31170d N |
744 | if (strcmp(update, "no-bitmap")==0) |
745 | continue; | |
586ed405 NB |
746 | if (strcmp(update, "byteorder")==0) { |
747 | if (ss) { | |
e7b84f9d N |
748 | pr_err("must not set metadata" |
749 | " type with --update=byteorder.\n"); | |
586ed405 NB |
750 | exit(2); |
751 | } | |
aba69144 | 752 | for(i=0; !ss && superlist[i]; i++) |
833bb0f8 N |
753 | ss = superlist[i]->match_metadata_desc( |
754 | "0.swap"); | |
586ed405 | 755 | if (!ss) { |
e7b84f9d | 756 | pr_err("INTERNAL ERROR" |
833bb0f8 | 757 | " cannot find 0.swap\n"); |
586ed405 NB |
758 | exit(2); |
759 | } | |
760 | ||
761 | continue; | |
762 | } | |
0047d254 NB |
763 | if (strcmp(update,"?") == 0 || |
764 | strcmp(update, "help") == 0) { | |
765 | outf = stdout; | |
766 | fprintf(outf, Name ": "); | |
767 | } else { | |
768 | outf = stderr; | |
769 | fprintf(outf, | |
770 | Name ": '--update=%s' is invalid. ", | |
771 | update); | |
772 | } | |
773 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 | 774 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
5a31170d N |
775 | " 'summaries', 'homehost', 'byteorder', 'devicesize',\n" |
776 | " 'no-bitmap'\n"); | |
0047d254 | 777 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 778 | |
833bb0f8 N |
779 | case O(MANAGE,'U'): |
780 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 781 | if (devmode != 'A') { |
e7b84f9d | 782 | pr_err("--update in Manage mode only" |
833bb0f8 N |
783 | " allowed with --re-add.\n"); |
784 | exit(1); | |
785 | } | |
786 | if (update) { | |
e7b84f9d | 787 | pr_err("Can only update one aspect" |
833bb0f8 N |
788 | " of superblock, both %s and %s given.\n", |
789 | update, optarg); | |
790 | exit(2); | |
791 | } | |
792 | update = optarg; | |
793 | if (strcmp(update, "devicesize") != 0) { | |
e7b84f9d | 794 | pr_err("only 'devicesize' can be" |
833bb0f8 N |
795 | " updated with --re-add\n"); |
796 | exit(2); | |
797 | } | |
798 | continue; | |
799 | ||
172356c9 | 800 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 801 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 802 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
0047d254 NB |
803 | runstop = -1; /* --stop isn't allowed for --assemble, |
804 | * so we overload slightly */ | |
b8a8ccf9 NB |
805 | continue; |
806 | ||
1c7a808c N |
807 | case O(ASSEMBLE,'c'): |
808 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 809 | case O(INCREMENTAL, 'c'): |
1c7a808c | 810 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 811 | case O(MISC, 'c'): |
1c7a808c | 812 | case O(MISC, ConfigFile): |
e0d19036 | 813 | case O(MONITOR,'c'): |
1c7a808c | 814 | case O(MONITOR,ConfigFile): |
52826846 | 815 | if (configfile) { |
e7b84f9d | 816 | pr_err("configfile cannot be set twice. " |
52826846 NB |
817 | "Second value is %s.\n", optarg); |
818 | exit(2); | |
819 | } | |
820 | configfile = optarg; | |
8aec876d | 821 | set_conffile(configfile); |
52826846 NB |
822 | /* FIXME possibly check that config file exists. Even parse it */ |
823 | continue; | |
e0d19036 NB |
824 | case O(ASSEMBLE,'s'): /* scan */ |
825 | case O(MISC,'s'): | |
826 | case O(MONITOR,'s'): | |
8382f19b | 827 | case O(INCREMENTAL,'s'): |
52826846 NB |
828 | scan = 1; |
829 | continue; | |
830 | ||
e0d19036 | 831 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 832 | case O(MONITOR,EMail): |
52826846 | 833 | if (mailaddr) |
e7b84f9d | 834 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
835 | optarg); |
836 | else | |
837 | mailaddr = optarg; | |
838 | continue; | |
839 | ||
e0d19036 | 840 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 841 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 842 | if (program) |
e7b84f9d | 843 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
844 | optarg); |
845 | else | |
846 | program = optarg; | |
847 | continue; | |
64c4757e | 848 | |
9a36a9b7 | 849 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 850 | case O(MONITOR,Increment): |
9a36a9b7 | 851 | increments = atoi(optarg); |
18361a1a | 852 | if (increments > 99 || increments < 1) { |
e7b84f9d | 853 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
854 | exit(2); |
855 | } | |
856 | continue; | |
857 | ||
e0d19036 | 858 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 859 | case O(GROW, 'd'): |
c82f047c NB |
860 | case O(BUILD,'d'): /* delay for bitmap updates */ |
861 | case O(CREATE,'d'): | |
52826846 | 862 | if (delay) |
e7b84f9d | 863 | pr_err("only specify delay once. %s ignored.\n", |
52826846 NB |
864 | optarg); |
865 | else { | |
79868890 N |
866 | delay = parse_num(optarg); |
867 | if (delay<1) { | |
e7b84f9d | 868 | pr_err("invalid delay: %s\n", |
52826846 NB |
869 | optarg); |
870 | exit(2); | |
871 | } | |
872 | } | |
873 | continue; | |
d013a55e | 874 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 875 | case O(MONITOR,Fork): |
d013a55e NB |
876 | daemonise = 1; |
877 | continue; | |
b5e64645 NB |
878 | case O(MONITOR,'i'): /* pid */ |
879 | if (pidfile) | |
e7b84f9d | 880 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
881 | optarg); |
882 | else | |
883 | pidfile = optarg; | |
884 | continue; | |
aa88f531 NB |
885 | case O(MONITOR,'1'): /* oneshot */ |
886 | oneshot = 1; | |
3f555346 | 887 | spare_sharing = 0; |
aa88f531 | 888 | continue; |
98c6faba NB |
889 | case O(MONITOR,'t'): /* test */ |
890 | test = 1; | |
891 | continue; | |
773135f5 | 892 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 893 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
894 | dosyslog = 1; |
895 | continue; | |
edde9560 AC |
896 | case O(MONITOR, NoSharing): |
897 | spare_sharing = 0; | |
898 | continue; | |
18361a1a | 899 | |
52826846 NB |
900 | /* now the general management options. Some are applicable |
901 | * to other modes. None have arguments. | |
902 | */ | |
e5329c37 | 903 | case O(GROW,'a'): |
1c7a808c N |
904 | case O(GROW,Add): |
905 | case O(MANAGE,'a'): | |
906 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 907 | devmode = 'a'; |
fe80f49b | 908 | continue; |
997aed5d | 909 | case O(MANAGE,ReAdd): |
c8e1a230 | 910 | devmode = 'A'; |
52826846 | 911 | continue; |
e0d19036 | 912 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 913 | case O(MANAGE,Remove): |
52826846 NB |
914 | devmode = 'r'; |
915 | continue; | |
e0d19036 | 916 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
917 | case O(MANAGE,Fail): |
918 | case O(INCREMENTAL,'f'): | |
919 | case O(INCREMENTAL,Remove): | |
920 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
921 | * even though we will both fail and |
922 | * remove the device */ | |
52826846 NB |
923 | devmode = 'f'; |
924 | continue; | |
8382f19b | 925 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
926 | case O(MANAGE,'R'): |
927 | case O(ASSEMBLE,'R'): | |
928 | case O(BUILD,'R'): | |
929 | case O(CREATE,'R'): /* Run the array */ | |
52826846 | 930 | if (runstop < 0) { |
e7b84f9d | 931 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
932 | exit(2); |
933 | } | |
934 | runstop = 1; | |
935 | continue; | |
e0d19036 | 936 | case O(MANAGE,'S'): |
52826846 | 937 | if (runstop > 0) { |
e7b84f9d | 938 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
939 | exit(2); |
940 | } | |
941 | runstop = -1; | |
942 | continue; | |
7d2e6486 N |
943 | case O(MANAGE,'t'): |
944 | test = 1; | |
945 | continue; | |
52826846 | 946 | |
e0d19036 NB |
947 | case O(MISC,'Q'): |
948 | case O(MISC,'D'): | |
949 | case O(MISC,'E'): | |
f7d3febc | 950 | case O(MISC,KillOpt): |
e0d19036 NB |
951 | case O(MISC,'R'): |
952 | case O(MISC,'S'): | |
c82f047c | 953 | case O(MISC,'X'): |
e0d19036 NB |
954 | case O(MISC,'o'): |
955 | case O(MISC,'w'): | |
b90c0e9a | 956 | case O(MISC,'W'): |
1c7a808c | 957 | case O(MISC, WaitOpt): |
1770662b | 958 | case O(MISC, Waitclean): |
4cce4069 | 959 | case O(MISC, DetailPlatform): |
33414a01 | 960 | case O(MISC, KillSubarray): |
aa534678 | 961 | case O(MISC, UpdateSubarray): |
5a53aeec JS |
962 | if (opt == KillSubarray || opt == UpdateSubarray) { |
963 | if (subarray) { | |
e7b84f9d | 964 | pr_err("subarray can only" |
5a53aeec JS |
965 | " be specified once\n"); |
966 | exit(2); | |
967 | } | |
968 | subarray = optarg; | |
969 | } | |
e0d19036 NB |
970 | if (devmode && devmode != opt && |
971 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 972 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
973 | if (devmode == 'E') { |
974 | if (option_index >= 0) | |
975 | fprintf(stderr, "--%s\n", | |
976 | long_options[option_index].name); | |
977 | else | |
978 | fprintf(stderr, "-%c\n", opt); | |
979 | } else if (isalpha(devmode)) | |
980 | fprintf(stderr, "-%c\n", devmode); | |
981 | else | |
982 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
983 | exit(2); |
984 | } | |
985 | devmode = opt; | |
986 | continue; | |
7d27d1c0 N |
987 | case O(MISC, UdevRules): |
988 | if (devmode && devmode != opt) { | |
e7b84f9d N |
989 | pr_err("--udev-rules must" |
990 | " be the only option.\n"); | |
7d27d1c0 N |
991 | } else { |
992 | if (udev_filename) | |
e7b84f9d | 993 | pr_err("only specify one udev " |
7d27d1c0 N |
994 | "rule filename. %s ignored.\n", |
995 | optarg); | |
996 | else | |
997 | udev_filename = optarg; | |
998 | } | |
999 | devmode = opt; | |
1000 | continue; | |
feb716e9 NB |
1001 | case O(MISC,'t'): |
1002 | test = 1; | |
1003 | continue; | |
e0d19036 | 1004 | |
997aed5d | 1005 | case O(MISC, Sparc22): |
bd526cee | 1006 | if (devmode != 'E') { |
e7b84f9d | 1007 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1008 | exit(2); |
1009 | } | |
1010 | SparcAdjust = 1; | |
1011 | continue; | |
c82f047c NB |
1012 | |
1013 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1014 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1015 | if (!optarg) { |
e7b84f9d | 1016 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1017 | exit(2); |
1018 | } | |
55935d51 | 1019 | if (strcmp(optarg, "internal")==0) { |
e7b84f9d | 1020 | pr_err("there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); |
55935d51 NB |
1021 | continue; |
1022 | } | |
c82f047c NB |
1023 | bitmap_fd = open(optarg, O_RDWR); |
1024 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1025 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1026 | exit(2); |
1027 | } | |
1028 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1029 | continue; | |
f5e166fe | 1030 | |
997aed5d NB |
1031 | case O(ASSEMBLE, BackupFile): |
1032 | case O(GROW, BackupFile): | |
06b0d786 NB |
1033 | /* Specify a file into which grow might place a backup, |
1034 | * or from which assemble might recover a backup | |
1035 | */ | |
1036 | if (backup_file) { | |
e7b84f9d | 1037 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1038 | exit(2); |
1039 | } | |
1040 | backup_file = optarg; | |
1041 | continue; | |
1042 | ||
2dddadb0 AK |
1043 | case O(GROW, Continue): |
1044 | /* Continue interrupted grow | |
1045 | */ | |
1046 | grow_continue = 1; | |
1047 | continue; | |
87f26d14 N |
1048 | case O(ASSEMBLE, InvalidBackup): |
1049 | /* Acknowledge that the backupfile is invalid, but ask | |
1050 | * to continue anyway | |
1051 | */ | |
1052 | invalid_backup = 1; | |
1053 | continue; | |
1054 | ||
c82f047c | 1055 | case O(BUILD,'b'): |
1c7a808c N |
1056 | case O(BUILD,Bitmap): |
1057 | case O(CREATE,'b'): | |
1058 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1059 | if (strcmp(optarg, "none") == 0) { |
e7b84f9d | 1060 | pr_err("'--bitmap none' only" |
18361a1a | 1061 | " supported for --grow\n"); |
85375d6d NB |
1062 | exit(2); |
1063 | } | |
1064 | /* FALL THROUGH */ | |
1065 | case O(GROW,'b'): | |
1c7a808c | 1066 | case O(GROW,Bitmap): |
1e0d770c NB |
1067 | if (strcmp(optarg, "internal")== 0 || |
1068 | strcmp(optarg, "none")== 0 || | |
1069 | strchr(optarg, '/') != NULL) { | |
1070 | bitmap_file = optarg; | |
1071 | continue; | |
1072 | } | |
1073 | /* probable typo */ | |
e7b84f9d | 1074 | pr_err("bitmap file must contain a '/', or be 'internal', or 'none'\n" |
a1331cc4 | 1075 | " not '%s'\n", optarg); |
1e0d770c | 1076 | exit(2); |
c82f047c | 1077 | |
997aed5d NB |
1078 | case O(GROW,BitmapChunk): |
1079 | case O(BUILD,BitmapChunk): | |
1080 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
36fad8ec | 1081 | bitmap_chunk = parse_size(optarg); |
15632a96 | 1082 | if (bitmap_chunk <= 0 || |
36fad8ec | 1083 | bitmap_chunk & (bitmap_chunk - 1)) { |
e7b84f9d N |
1084 | pr_err("invalid bitmap chunksize: %s\n", |
1085 | optarg); | |
c82f047c NB |
1086 | exit(2); |
1087 | } | |
15632a96 | 1088 | bitmap_chunk = bitmap_chunk * 512; |
c82f047c | 1089 | continue; |
dfd4d8ee | 1090 | |
7d19ad0d | 1091 | case O(GROW, WriteBehind): |
997aed5d NB |
1092 | case O(BUILD, WriteBehind): |
1093 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
dfd4d8ee NB |
1094 | write_behind = DEFAULT_MAX_WRITE_BEHIND; |
1095 | if (optarg) { | |
79868890 N |
1096 | write_behind = parse_num(optarg); |
1097 | if (write_behind < 0 || | |
dfd4d8ee | 1098 | write_behind > 16383) { |
e7b84f9d | 1099 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); |
dfd4d8ee NB |
1100 | exit(2); |
1101 | } | |
1102 | } | |
1103 | continue; | |
8382f19b NB |
1104 | |
1105 | case O(INCREMENTAL, 'r'): | |
1c7a808c | 1106 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1107 | rebuild_map = 1; |
1108 | continue; | |
950bc344 PC |
1109 | case O(INCREMENTAL, IncrementalPath): |
1110 | remove_path = optarg; | |
1111 | continue; | |
52826846 NB |
1112 | } |
1113 | /* We have now processed all the valid options. Anything else is | |
1114 | * an error | |
1115 | */ | |
06b0d786 | 1116 | if (option_index > 0) |
e7b84f9d | 1117 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 NB |
1118 | long_options[option_index].name, |
1119 | map_num(modes, mode)); | |
1120 | else | |
e7b84f9d | 1121 | pr_err("option -%c not valid in %s mode\n", |
06b0d786 | 1122 | opt, map_num(modes, mode)); |
64c4757e | 1123 | exit(2); |
52826846 NB |
1124 | |
1125 | } | |
1126 | ||
3d4064cc | 1127 | if (print_help) { |
5187a385 | 1128 | char *help_text; |
3d4064cc NB |
1129 | if (print_help == 2) |
1130 | help_text = OptionHelp; | |
1131 | else | |
5187a385 N |
1132 | help_text = mode_help[mode]; |
1133 | if (help_text == NULL) | |
1134 | help_text = Help; | |
0047d254 | 1135 | fputs(help_text,stdout); |
3d4064cc NB |
1136 | exit(0); |
1137 | } | |
1138 | ||
0320ea45 NB |
1139 | if (!mode && devs_found) { |
1140 | mode = MISC; | |
1141 | devmode = 'Q'; | |
1142 | if (devlist->disposition == 0) | |
1143 | devlist->disposition = devmode; | |
1144 | } | |
52826846 NB |
1145 | if (!mode) { |
1146 | fputs(Usage, stderr); | |
64c4757e | 1147 | exit(2); |
64c4757e | 1148 | } |
38098016 NB |
1149 | |
1150 | if (symlinks) { | |
1151 | struct createinfo *ci = conf_get_create_info(); | |
1152 | ||
1153 | if (strcasecmp(symlinks, "yes") == 0) | |
1154 | ci->symlinks = 1; | |
1155 | else if (strcasecmp(symlinks, "no") == 0) | |
1156 | ci->symlinks = 0; | |
1157 | else { | |
e7b84f9d | 1158 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1159 | exit(2); |
1160 | } | |
1161 | } | |
52826846 NB |
1162 | /* Ok, got the option parsing out of the way |
1163 | * hopefully it's mostly right but there might be some stuff | |
1164 | * missing | |
1165 | * | |
e0d19036 | 1166 | * That is mosty checked in the per-mode stuff but... |
52826846 | 1167 | * |
18361a1a N |
1168 | * For @,B,C and A without -s, the first device listed must be |
1169 | * an md device. We check that here and open it. | |
64c4757e | 1170 | */ |
52826846 | 1171 | |
18361a1a N |
1172 | if (mode == MANAGE || mode == BUILD || mode == CREATE |
1173 | || mode == GROW | |
1174 | || (mode == ASSEMBLE && ! scan)) { | |
52826846 | 1175 | if (devs_found < 1) { |
e7b84f9d | 1176 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1177 | exit(2); |
1178 | } | |
dd0781e5 | 1179 | if ((int)ident.super_minor == -2 && autof) { |
e7b84f9d | 1180 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1181 | exit(2); |
1182 | } | |
7f91af49 | 1183 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1184 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1185 | if (mdfd < 0) |
1186 | exit(1); | |
1187 | } else | |
1188 | /* non-existent device is OK */ | |
1189 | mdfd = open_mddev(devlist->devname, 0); | |
1190 | if (mdfd == -2) { | |
e7b84f9d | 1191 | pr_err("device %s exists but is not an " |
7f91af49 | 1192 | "md array.\n", devlist->devname); |
52826846 | 1193 | exit(1); |
7f91af49 | 1194 | } |
98c6faba | 1195 | if ((int)ident.super_minor == -2) { |
d013a55e | 1196 | struct stat stb; |
7f91af49 | 1197 | if (mdfd < 0) { |
e7b84f9d | 1198 | pr_err("--super-minor=dev given, and " |
7f91af49 N |
1199 | "listed device %s doesn't exist.\n", |
1200 | devlist->devname); | |
1201 | exit(1); | |
1202 | } | |
d013a55e | 1203 | fstat(mdfd, &stb); |
0df46c2a | 1204 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1205 | } |
7f91af49 N |
1206 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1207 | /* We don't really want this open yet, we just might | |
1208 | * have wanted to check some things | |
1209 | */ | |
1210 | close(mdfd); | |
1211 | mdfd = -1; | |
1212 | } | |
64c4757e | 1213 | } |
52826846 | 1214 | |
e4c4352e | 1215 | if (raiddisks) { |
18361a1a | 1216 | if (raiddisks == 1 && !force && level != LEVEL_FAULTY) { |
e7b84f9d | 1217 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1218 | " a mistake. If you really mean it you will need to specify --force before\n" |
1219 | " setting the number of drives.\n"); | |
1220 | exit(2); | |
1221 | } | |
1222 | } | |
c82f047c | 1223 | |
997aed5d | 1224 | if (homehost == NULL) |
0ac91628 | 1225 | homehost = conf_get_homehost(&require_homehost); |
0f23aa88 | 1226 | if (homehost == NULL || strcasecmp(homehost, "<system>")==0) { |
05697ec1 NB |
1227 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1228 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
1229 | homehost = sys_hostname; | |
1230 | } | |
1231 | } | |
0f23aa88 N |
1232 | if (homehost && (!homehost[0] || strcasecmp(homehost, "<none>") == 0)) { |
1233 | homehost = NULL; | |
1234 | require_homehost = 0; | |
1235 | } | |
997aed5d | 1236 | |
18361a1a N |
1237 | if ((mode == MISC && devmode == 'E') |
1238 | || (mode == MONITOR && spare_sharing == 0)) | |
1239 | /* Anyone may try this */; | |
1240 | else if (geteuid() != 0) { | |
e7b84f9d | 1241 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1242 | exit(1); |
1243 | } | |
1244 | ||
7f91af49 N |
1245 | ident.autof = autof; |
1246 | ||
52826846 NB |
1247 | rv = 0; |
1248 | switch(mode) { | |
e0d19036 | 1249 | case MANAGE: |
52826846 NB |
1250 | /* readonly, add/remove, readwrite, runstop */ |
1251 | if (readonly>0) | |
cd29a5c8 | 1252 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1253 | if (!rv && devs_found>1) |
cd29a5c8 | 1254 | rv = Manage_subdevs(devlist->devname, mdfd, |
833bb0f8 | 1255 | devlist->next, verbose-quiet, test, |
11b391ec | 1256 | update, force); |
52826846 | 1257 | if (!rv && readonly < 0) |
cd29a5c8 | 1258 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1259 | if (!rv && runstop) |
ab56093f | 1260 | rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet); |
52826846 | 1261 | break; |
e0d19036 | 1262 | case ASSEMBLE: |
d013a55e | 1263 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 1264 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e | 1265 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1266 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1267 | if (array_ident == NULL) { |
e7b84f9d | 1268 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1269 | devlist->devname); |
d013a55e | 1270 | rv |= 1; |
7f91af49 N |
1271 | if (mdfd >= 0) |
1272 | close(mdfd); | |
b5e64645 | 1273 | } else { |
7f91af49 N |
1274 | if (array_ident->autof == 0) |
1275 | array_ident->autof = autof; | |
1276 | rv |= Assemble(ss, devlist->devname, array_ident, | |
87f26d14 | 1277 | NULL, backup_file, invalid_backup, |
0ac91628 N |
1278 | readonly, runstop, update, |
1279 | homehost, require_homehost, | |
b76b30e0 AK |
1280 | verbose-quiet, force, |
1281 | freeze_reshape); | |
d013a55e NB |
1282 | } |
1283 | } else if (!scan) | |
7f91af49 | 1284 | rv = Assemble(ss, devlist->devname, &ident, |
87f26d14 | 1285 | devlist->next, backup_file, invalid_backup, |
0ac91628 N |
1286 | readonly, runstop, update, |
1287 | homehost, require_homehost, | |
b76b30e0 AK |
1288 | verbose-quiet, force, |
1289 | freeze_reshape); | |
18361a1a | 1290 | else if (devs_found > 0) { |
5787fa49 | 1291 | if (update && devs_found > 1) { |
e7b84f9d | 1292 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1293 | exit(1); |
1294 | } | |
06b0d786 | 1295 | if (backup_file && devs_found > 1) { |
e7b84f9d | 1296 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1297 | exit(1); |
1298 | } | |
cd29a5c8 | 1299 | for (dv = devlist ; dv ; dv=dv->next) { |
fa56eddb | 1300 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1301 | if (array_ident == NULL) { |
e7b84f9d | 1302 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1303 | dv->devname); |
52826846 NB |
1304 | rv |= 1; |
1305 | continue; | |
1306 | } | |
7f91af49 N |
1307 | if (array_ident->autof == 0) |
1308 | array_ident->autof = autof; | |
1309 | rv |= Assemble(ss, dv->devname, array_ident, | |
87f26d14 | 1310 | NULL, backup_file, invalid_backup, |
0ac91628 N |
1311 | readonly, runstop, update, |
1312 | homehost, require_homehost, | |
b76b30e0 AK |
1313 | verbose-quiet, force, |
1314 | freeze_reshape); | |
52826846 | 1315 | } |
5787fa49 | 1316 | } else { |
da6b5ca9 | 1317 | if (update) { |
e7b84f9d | 1318 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1319 | exit(1); |
1320 | } | |
1321 | if (backup_file) { | |
e7b84f9d | 1322 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1323 | exit(1); |
1324 | } | |
3cbc4d12 N |
1325 | rv = scan_assemble(autof, ss, readonly, runstop, |
1326 | &ident, homehost, | |
1327 | require_homehost, | |
1328 | verbose - quiet, | |
1329 | force, freeze_reshape); | |
52826846 | 1330 | } |
3cbc4d12 | 1331 | |
52826846 | 1332 | break; |
e0d19036 | 1333 | case BUILD: |
c82f047c | 1334 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee | 1335 | if (write_behind && !bitmap_file) { |
e7b84f9d | 1336 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1337 | rv = 1; |
1338 | break; | |
1339 | } | |
5b28bd56 | 1340 | if (raiddisks == 0) { |
e7b84f9d | 1341 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1342 | rv = 1; |
1343 | break; | |
1344 | } | |
dfd4d8ee | 1345 | |
c82f047c | 1346 | if (bitmap_file) { |
55935d51 | 1347 | if (strcmp(bitmap_file, "internal")==0) { |
e7b84f9d | 1348 | pr_err("'internal' bitmaps not supported with --build\n"); |
55935d51 NB |
1349 | rv |= 1; |
1350 | break; | |
1351 | } | |
c82f047c | 1352 | } |
7f91af49 | 1353 | rv = Build(devlist->devname, chunk, level, layout, |
c82f047c | 1354 | raiddisks, devlist->next, assume_clean, |
7f91af49 | 1355 | bitmap_file, bitmap_chunk, write_behind, |
83208785 | 1356 | delay, verbose-quiet, autof, size); |
52826846 | 1357 | break; |
e0d19036 | 1358 | case CREATE: |
c82f047c | 1359 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee | 1360 | if (write_behind && !bitmap_file) { |
e7b84f9d | 1361 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1362 | rv = 1; |
1363 | break; | |
1364 | } | |
5b28bd56 | 1365 | if (raiddisks == 0) { |
e7b84f9d | 1366 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1367 | rv = 1; |
1368 | break; | |
1369 | } | |
f9ce90ba | 1370 | |
7f91af49 | 1371 | rv = Create(ss, devlist->devname, chunk, level, layout, size<0 ? 0 : size, |
05697ec1 | 1372 | raiddisks, sparedisks, ident.name, homehost, |
3d3dd91e | 1373 | ident.uuid_set ? ident.uuid : NULL, |
72d566f6 N |
1374 | devs_found-1, devlist->next, runstop, |
1375 | readonly, verbose-quiet, force, assume_clean, | |
7f91af49 | 1376 | bitmap_file, bitmap_chunk, write_behind, delay, autof); |
52826846 | 1377 | break; |
e0d19036 | 1378 | case MISC: |
e0d19036 NB |
1379 | if (devmode == 'E') { |
1380 | if (devlist == NULL && !scan) { | |
e7b84f9d | 1381 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1382 | exit(2); |
1383 | } | |
1384 | if (devlist == NULL) | |
8aec876d | 1385 | devlist = conf_get_devs(); |
e0d19036 | 1386 | if (devlist == NULL) { |
e7b84f9d | 1387 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1388 | exit(1); |
1389 | } | |
e843d5d7 NB |
1390 | if (brief && verbose) |
1391 | brief = 2; | |
0d726f17 KS |
1392 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, |
1393 | export, scan, | |
1394 | SparcAdjust, ss, homehost); | |
4cce4069 DW |
1395 | } else if (devmode == DetailPlatform) { |
1396 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? scan : 1, verbose); | |
7d27d1c0 N |
1397 | } else if (devlist == NULL) { |
1398 | if (devmode == 'S' && scan) | |
1399 | rv = stop_scan(quiet); | |
1400 | else if ((devmode == 'D' || devmode == Waitclean) && scan) | |
1401 | rv = misc_scan(devmode, verbose, export, | |
1402 | test, homehost, prefer); | |
1403 | else if (devmode == UdevRules) | |
1404 | rv = Write_rules(udev_filename); | |
1405 | else { | |
e7b84f9d | 1406 | pr_err("No devices given.\n"); |
7d27d1c0 | 1407 | exit(2); |
e0d19036 | 1408 | } |
7d27d1c0 N |
1409 | } else |
1410 | rv = misc_list(devlist, brief, verbose, export, test, | |
1411 | homehost, prefer, subarray, update, | |
1412 | &ident, | |
1413 | ss, force, quiet); | |
9a9dab36 | 1414 | break; |
e0d19036 | 1415 | case MONITOR: |
e0d19036 | 1416 | if (!devlist && !scan) { |
e7b84f9d | 1417 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1418 | rv = 1; |
1419 | break; | |
1420 | } | |
b5e64645 | 1421 | if (pidfile && !daemonise) { |
e7b84f9d | 1422 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1423 | rv = 1; |
1424 | break; | |
1425 | } | |
ddc7201f | 1426 | if (delay == 0) { |
3e82d76d | 1427 | if (get_linux_version() > 2006016) |
ddc7201f N |
1428 | /* mdstat responds to poll */ |
1429 | delay = 1000; | |
1430 | else | |
1431 | delay = 60; | |
1432 | } | |
d013a55e | 1433 | rv= Monitor(devlist, mailaddr, program, |
773135f5 | 1434 | delay?delay:60, daemonise, scan, oneshot, |
c2ecf5f6 N |
1435 | dosyslog, test, pidfile, increments, |
1436 | spare_sharing, prefer); | |
9a9dab36 | 1437 | break; |
dd0781e5 NB |
1438 | |
1439 | case GROW: | |
84e11361 N |
1440 | if (array_size >= 0) { |
1441 | /* alway impose array size first, independent of | |
1442 | * anything else | |
9ce510be N |
1443 | * Do not allow level or raid_disks changes at the |
1444 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1445 | */ |
1446 | struct mdinfo sra; | |
1447 | int err; | |
9ce510be | 1448 | if (raiddisks || level != UnSet) { |
e7b84f9d | 1449 | pr_err("cannot change array size in same operation " |
9ce510be N |
1450 | "as changing raiddisks or level.\n" |
1451 | " Change size first, then check that data is still intact.\n"); | |
1452 | rv = 1; | |
1453 | break; | |
1454 | } | |
84e11361 N |
1455 | sysfs_init(&sra, mdfd, 0); |
1456 | if (array_size == 0) | |
1457 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); | |
1458 | else | |
1459 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1460 | if (err < 0) { | |
1461 | if (errno == E2BIG) | |
e7b84f9d | 1462 | pr_err("--array-size setting" |
84e11361 N |
1463 | " is too large.\n"); |
1464 | else | |
e7b84f9d | 1465 | pr_err("current kernel does" |
84e11361 N |
1466 | " not support setting --array-size\n"); |
1467 | rv = 1; | |
1468 | break; | |
1469 | } | |
1470 | } | |
e2e53a2d | 1471 | if (devs_found > 1 && raiddisks == 0) { |
e5329c37 | 1472 | /* must be '-a'. */ |
e2e53a2d | 1473 | if (size >= 0 || chunk || layout_str != NULL || bitmap_file) { |
e7b84f9d | 1474 | pr_err("--add cannot be used with " |
e2e53a2d | 1475 | "other geometry changes in --grow mode\n"); |
e5329c37 NB |
1476 | rv = 1; |
1477 | break; | |
1478 | } | |
1479 | for (dv=devlist->next; dv ; dv=dv->next) { | |
e2e53a2d N |
1480 | rv = Grow_Add_device(devlist->devname, mdfd, |
1481 | dv->devname); | |
e5329c37 NB |
1482 | if (rv) |
1483 | break; | |
1484 | } | |
7236ee7a | 1485 | } else if (bitmap_file) { |
e2e53a2d | 1486 | if (size >= 0 || raiddisks || chunk || |
1d8862cf | 1487 | layout_str != NULL || devs_found > 1) { |
e7b84f9d | 1488 | pr_err("--bitmap changes cannot be " |
e2e53a2d N |
1489 | "used with other geometry changes " |
1490 | "in --grow mode\n"); | |
7236ee7a N |
1491 | rv = 1; |
1492 | break; | |
1493 | } | |
1494 | if (delay == 0) | |
1495 | delay = DEFAULT_BITMAP_DELAY; | |
f5e166fe | 1496 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, |
8fac0577 | 1497 | bitmap_chunk, delay, write_behind, force); |
2dddadb0 AK |
1498 | } else if (grow_continue) |
1499 | rv = Grow_continue_command(devlist->devname, | |
1500 | mdfd, backup_file, | |
1501 | verbose); | |
1502 | else if (size >= 0 || raiddisks != 0 || layout_str != NULL | |
7d27d1c0 | 1503 | || chunk != 0 || level != UnSet) { |
7236ee7a | 1504 | rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file, |
691a36b7 | 1505 | size, level, layout_str, chunk, raiddisks, |
e2e53a2d | 1506 | devlist->next, |
ce52f92f | 1507 | assume_clean, force); |
84e11361 | 1508 | } else if (array_size < 0) |
e7b84f9d | 1509 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1510 | break; |
8382f19b NB |
1511 | case INCREMENTAL: |
1512 | if (rebuild_map) { | |
1513 | RebuildMap(); | |
1514 | } | |
1515 | if (scan) { | |
1516 | if (runstop <= 0) { | |
e7b84f9d | 1517 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1518 | break; |
1519 | } | |
29ba4804 | 1520 | if (devmode == 'f') { |
e7b84f9d | 1521 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1522 | break; |
1523 | } | |
8382f19b NB |
1524 | rv = IncrementalScan(verbose); |
1525 | } | |
1526 | if (!devlist) { | |
1527 | if (!rebuild_map && !scan) { | |
e7b84f9d | 1528 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1529 | rv = 1; |
1530 | } | |
1531 | break; | |
1532 | } | |
1533 | if (devlist->next) { | |
e7b84f9d | 1534 | pr_err("--incremental can only handle one device.\n"); |
8382f19b NB |
1535 | rv = 1; |
1536 | break; | |
1537 | } | |
950bc344 PC |
1538 | if (devmode == 'f') |
1539 | rv = IncrementalRemove(devlist->devname, remove_path, | |
1540 | verbose-quiet); | |
1541 | else | |
1542 | rv = Incremental(devlist->devname, verbose-quiet, | |
1543 | runstop, ss, homehost, | |
b76b30e0 AK |
1544 | require_homehost, autof, |
1545 | freeze_reshape); | |
1f48664b NB |
1546 | break; |
1547 | case AUTODETECT: | |
1548 | autodetect(); | |
1549 | break; | |
64c4757e | 1550 | } |
52826846 | 1551 | exit(rv); |
64c4757e | 1552 | } |
3cbc4d12 N |
1553 | |
1554 | static int scan_assemble(int autof, struct supertype *ss, | |
1555 | int readonly, int runstop, | |
1556 | struct mddev_ident *ident, | |
1557 | char *homehost, int require_homehost, | |
1558 | int verbose, int force, | |
1559 | int freeze_reshape) | |
1560 | { | |
1561 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1562 | struct mddev_dev *devlist = conf_get_devs(); | |
1563 | struct map_ent *map = NULL; | |
1564 | int cnt = 0; | |
1565 | int rv = 0; | |
1566 | int failures, successes; | |
1567 | ||
1568 | if (conf_verify_devnames(array_list)) { | |
e7b84f9d N |
1569 | pr_err("Duplicate MD device names in " |
1570 | "conf file were found.\n"); | |
3cbc4d12 N |
1571 | return 1; |
1572 | } | |
1573 | if (devlist == NULL) { | |
e7b84f9d | 1574 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1575 | return 1; |
1576 | } | |
1577 | for (a = array_list; a ; a = a->next) { | |
1578 | a->assembled = 0; | |
1579 | if (a->autof == 0) | |
1580 | a->autof = autof; | |
1581 | } | |
1582 | if (map_lock(&map)) | |
e7b84f9d N |
1583 | pr_err("%s: failed to get " |
1584 | "exclusive lock on mapfile\n", | |
1585 | __func__); | |
3cbc4d12 N |
1586 | do { |
1587 | failures = 0; | |
1588 | successes = 0; | |
1589 | rv = 0; | |
1590 | for (a = array_list; a ; a = a->next) { | |
1591 | int r; | |
1592 | if (a->assembled) | |
1593 | continue; | |
1594 | if (a->devname && | |
1595 | strcasecmp(a->devname, "<ignore>") == 0) | |
1596 | continue; | |
1597 | ||
1598 | r = Assemble(ss, a->devname, | |
1599 | a, | |
1600 | NULL, NULL, 0, | |
1601 | readonly, runstop, NULL, | |
1602 | homehost, require_homehost, | |
1603 | verbose, force, | |
1604 | freeze_reshape); | |
1605 | if (r == 0) { | |
1606 | a->assembled = 1; | |
1607 | successes++; | |
1608 | } else | |
1609 | failures++; | |
1610 | rv |= r; | |
1611 | cnt++; | |
1612 | } | |
1613 | } while (failures && successes); | |
1614 | if (homehost && cnt == 0) { | |
1615 | /* Maybe we can auto-assemble something. | |
1616 | * Repeatedly call Assemble in auto-assemble mode | |
1617 | * until it fails | |
1618 | */ | |
1619 | int rv2; | |
1620 | int acnt; | |
1621 | ident->autof = autof; | |
1622 | do { | |
1623 | struct mddev_dev *devlist = conf_get_devs(); | |
1624 | acnt = 0; | |
1625 | do { | |
1626 | rv2 = Assemble(ss, NULL, | |
1627 | ident, | |
1628 | devlist, NULL, 0, | |
1629 | readonly, | |
1630 | runstop, NULL, | |
1631 | homehost, | |
1632 | require_homehost, | |
1633 | verbose, | |
1634 | force, | |
1635 | freeze_reshape); | |
1636 | if (rv2==0) { | |
1637 | cnt++; | |
1638 | acnt++; | |
1639 | } | |
1640 | } while (rv2!=2); | |
1641 | /* Incase there are stacked devices, we need to go around again */ | |
1642 | } while (acnt); | |
1643 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1644 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1645 | rv = 1; |
1646 | } else if (cnt) | |
1647 | rv = 0; | |
1648 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1649 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1650 | rv = 1; |
1651 | } | |
1652 | map_unlock(&map); | |
1653 | return rv; | |
1654 | } | |
7d27d1c0 N |
1655 | |
1656 | static int misc_scan(char devmode, int verbose, int export, int test, | |
1657 | char *homehost, char *prefer) | |
1658 | { | |
1659 | /* apply --detail or --wait-clean to | |
1660 | * all devices in /proc/mdstat | |
1661 | */ | |
1662 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1663 | struct mdstat_ent *e; | |
1664 | struct map_ent *map = NULL; | |
1665 | int members; | |
1666 | int v = verbose>1?0:verbose+1; | |
1667 | int rv = 0; | |
1668 | ||
1669 | for (members = 0; members <= 1; members++) { | |
1670 | for (e=ms ; e ; e=e->next) { | |
1671 | char *name; | |
1672 | struct map_ent *me; | |
1673 | int member = e->metadata_version && | |
1674 | strncmp(e->metadata_version, | |
1675 | "external:/", 10) == 0; | |
1676 | if (members != member) | |
1677 | continue; | |
1678 | me = map_by_devnum(&map, e->devnum); | |
1679 | if (me && me->path | |
1680 | && strcmp(me->path, "/unknown") != 0) | |
1681 | name = me->path; | |
1682 | else | |
1683 | name = get_md_name(e->devnum); | |
1684 | ||
1685 | if (!name) { | |
e7b84f9d | 1686 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1687 | e->dev); |
1688 | continue; | |
1689 | } | |
1690 | if (devmode == 'D') | |
1691 | rv |= Detail(name, v, | |
1692 | export, test, | |
1693 | homehost, prefer); | |
1694 | else | |
1695 | rv |= WaitClean(name, -1, v); | |
1696 | put_md_name(name); | |
1697 | } | |
1698 | } | |
1699 | free_mdstat(ms); | |
1700 | return rv; | |
1701 | } | |
1702 | ||
1703 | static int stop_scan(int quiet) | |
1704 | { | |
1705 | /* apply --stop to all devices in /proc/mdstat */ | |
1706 | /* Due to possible stacking of devices, repeat until | |
1707 | * nothing more can be stopped | |
1708 | */ | |
1709 | int progress=1, err; | |
1710 | int last = 0; | |
1711 | int rv = 0; | |
1712 | do { | |
1713 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1714 | struct mdstat_ent *e; | |
1715 | ||
1716 | if (!progress) last = 1; | |
1717 | progress = 0; err = 0; | |
1718 | for (e=ms ; e ; e=e->next) { | |
1719 | char *name = get_md_name(e->devnum); | |
1720 | int mdfd; | |
1721 | ||
1722 | if (!name) { | |
e7b84f9d | 1723 | pr_err("cannot find device file for %s\n", |
7d27d1c0 N |
1724 | e->dev); |
1725 | continue; | |
1726 | } | |
1727 | mdfd = open_mddev(name, 1); | |
1728 | if (mdfd >= 0) { | |
1729 | if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1)) | |
1730 | err = 1; | |
1731 | else | |
1732 | progress = 1; | |
1733 | close(mdfd); | |
1734 | } | |
1735 | ||
1736 | put_md_name(name); | |
1737 | } | |
1738 | free_mdstat(ms); | |
1739 | } while (!last && err); | |
1740 | if (err) | |
1741 | rv |= 1; | |
1742 | return rv; | |
1743 | } | |
1744 | ||
1745 | static int misc_list(struct mddev_dev *devlist, | |
1746 | int brief, int verbose, int export, int test, | |
1747 | char *homehost, char *prefer, char *subarray, | |
1748 | char *update, struct mddev_ident *ident, | |
1749 | struct supertype *ss, int force, int quiet) | |
1750 | { | |
1751 | struct mddev_dev *dv; | |
1752 | int rv = 0; | |
1753 | ||
1754 | for (dv=devlist ; dv; dv=dv->next) { | |
1755 | int mdfd; | |
1756 | ||
1757 | switch(dv->disposition) { | |
1758 | case 'D': | |
1759 | rv |= Detail(dv->devname, | |
1760 | brief?1+verbose:0, | |
1761 | export, test, homehost, prefer); | |
1762 | continue; | |
1763 | case KillOpt: /* Zero superblock */ | |
1764 | if (ss) | |
1765 | rv |= Kill(dv->devname, ss, force, quiet,0); | |
1766 | else { | |
1767 | int q = quiet; | |
1768 | do { | |
1769 | rv |= Kill(dv->devname, NULL, force, q, 0); | |
1770 | q = 1; | |
1771 | } while (rv == 0); | |
1772 | rv &= ~2; | |
1773 | } | |
1774 | continue; | |
1775 | case 'Q': | |
1776 | rv |= Query(dv->devname); continue; | |
1777 | case 'X': | |
1778 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; | |
1779 | case 'W': | |
1780 | case WaitOpt: | |
1781 | rv |= Wait(dv->devname); continue; | |
1782 | case Waitclean: | |
1783 | rv |= WaitClean(dv->devname, -1, verbose-quiet); continue; | |
1784 | case KillSubarray: | |
1785 | rv |= Kill_subarray(dv->devname, subarray, quiet); | |
1786 | continue; | |
1787 | case UpdateSubarray: | |
1788 | if (update == NULL) { | |
e7b84f9d | 1789 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
1790 | rv |= 1; |
1791 | continue; | |
1792 | } | |
1793 | rv |= Update_subarray(dv->devname, subarray, | |
1794 | update, ident, quiet); | |
1795 | continue; | |
1796 | } | |
1797 | mdfd = open_mddev(dv->devname, 1); | |
1798 | if (mdfd>=0) { | |
1799 | switch(dv->disposition) { | |
1800 | case 'R': | |
1801 | rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break; | |
1802 | case 'S': | |
1803 | rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break; | |
1804 | case 'o': | |
1805 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1806 | case 'w': | |
1807 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1808 | } | |
1809 | close(mdfd); | |
1810 | } else | |
1811 | rv |= 1; | |
1812 | } | |
1813 | return rv; | |
1814 | } |