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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
4f589ad0 | 4 | * Copyright (C) 2001-2006 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 | |
22 | * Email: <neilb@cse.unsw.edu.au> | |
23 | * Paper: Neil Brown | |
24 | * School of Computer Science and Engineering | |
25 | * The University of New South Wales | |
26 | * Sydney, 2052 | |
27 | * Australia | |
c82f047c | 28 | * |
aba69144 | 29 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 30 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
31 | */ |
32 | ||
9a9dab36 | 33 | #include "mdadm.h" |
64c4757e | 34 | #include "md_p.h" |
dd0781e5 | 35 | #include <ctype.h> |
64c4757e | 36 | |
dd0781e5 | 37 | |
52826846 NB |
38 | int main(int argc, char *argv[]) |
39 | { | |
e0d19036 | 40 | int mode = 0; |
52826846 | 41 | int opt; |
e0d19036 | 42 | int option_index; |
52826846 NB |
43 | char *c; |
44 | int rv; | |
f9ce90ba | 45 | int i; |
52826846 NB |
46 | |
47 | int chunk = 0; | |
5dd497ee | 48 | long long size = -1; |
98c6faba NB |
49 | int level = UnSet; |
50 | int layout = UnSet; | |
52826846 | 51 | int raiddisks = 0; |
e27d562b | 52 | int max_disks = MD_SB_DISKS; /* just a default */ |
52826846 NB |
53 | int sparedisks = 0; |
54 | struct mddev_ident_s ident; | |
55 | char *configfile = NULL; | |
cd29a5c8 | 56 | char *cp; |
5787fa49 | 57 | char *update = NULL; |
52826846 NB |
58 | int scan = 0; |
59 | char devmode = 0; | |
60 | int runstop = 0; | |
61 | int readonly = 0; | |
dfd4d8ee | 62 | int write_behind = 0; |
c82f047c NB |
63 | int bitmap_fd = -1; |
64 | char *bitmap_file = NULL; | |
06b0d786 | 65 | char *backup_file = NULL; |
c82f047c | 66 | int bitmap_chunk = UnSet; |
bd526cee | 67 | int SparcAdjust = 0; |
cd29a5c8 NB |
68 | mddev_dev_t devlist = NULL; |
69 | mddev_dev_t *devlistend = & devlist; | |
70 | mddev_dev_t dv; | |
52826846 NB |
71 | int devs_found = 0; |
72 | int verbose = 0; | |
dab6685f | 73 | int quiet = 0; |
cd29a5c8 | 74 | int brief = 0; |
52826846 | 75 | int force = 0; |
feb716e9 | 76 | int test = 0; |
54bad364 | 77 | int export = 0; |
dd0781e5 | 78 | int assume_clean = 0; |
38098016 | 79 | char *symlinks = NULL; |
f1ae21c4 NB |
80 | /* autof indicates whether and how to create device node. |
81 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
82 | * 0 - unset | |
83 | * 1 - don't create (no) | |
84 | * 2 - if is_standard, then create (yes) | |
85 | * 3 - create as 'md' - reject is_standard mdp (md) | |
86 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
87 | * 5 - default to md if not is_standard (md in config file) | |
88 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
89 | */ | |
90 | int autof = 0; | |
52826846 | 91 | |
997aed5d | 92 | char *homehost = NULL; |
05697ec1 | 93 | char sys_hostname[256]; |
52826846 NB |
94 | char *mailaddr = NULL; |
95 | char *program = NULL; | |
96 | int delay = 0; | |
d013a55e | 97 | int daemonise = 0; |
b5e64645 | 98 | char *pidfile = NULL; |
aa88f531 | 99 | int oneshot = 0; |
82d9eba6 | 100 | struct supertype *ss = NULL; |
dfd4d8ee | 101 | int writemostly = 0; |
fe80f49b | 102 | int re_add = 0; |
c06487ce | 103 | char *shortopt = short_options; |
773135f5 | 104 | int dosyslog = 0; |
8382f19b | 105 | int rebuild_map = 0; |
589395d6 | 106 | int auto_update_home = 0; |
52826846 | 107 | |
e5329c37 | 108 | int copies; |
3d4064cc | 109 | int print_help = 0; |
0047d254 | 110 | FILE *outf; |
e5329c37 | 111 | |
52826846 NB |
112 | int mdfd = -1; |
113 | ||
dfe47e00 NB |
114 | srandom(time(0) ^ getpid()); |
115 | ||
52826846 | 116 | ident.uuid_set=0; |
98c6faba NB |
117 | ident.level = UnSet; |
118 | ident.raid_disks = UnSet; | |
119 | ident.super_minor= UnSet; | |
52826846 | 120 | ident.devices=0; |
a75f2fbc NB |
121 | ident.spare_group = NULL; |
122 | ident.autof = 0; | |
a825febc | 123 | ident.st = NULL; |
c82f047c | 124 | ident.bitmap_fd = -1; |
7ef02d01 | 125 | ident.bitmap_file = NULL; |
947fd4dd | 126 | ident.name[0] = 0; |
52826846 | 127 | |
e0d19036 NB |
128 | while ((option_index = -1) , |
129 | (opt=getopt_long(argc, argv, | |
c06487ce | 130 | shortopt, long_options, |
e0d19036 NB |
131 | &option_index)) != -1) { |
132 | int newmode = mode; | |
dab6685f | 133 | /* firstly, some mode-independant options */ |
52826846 | 134 | switch(opt) { |
52826846 | 135 | case 'h': |
aba69144 | 136 | if (option_index > 0 && |
56eedc1a | 137 | strcmp(long_options[option_index].name, "help-options")==0) |
3d4064cc | 138 | print_help = 2; |
56eedc1a | 139 | else |
3d4064cc NB |
140 | print_help = 1; |
141 | continue; | |
52826846 NB |
142 | |
143 | case 'V': | |
144 | fputs(Version, stderr); | |
145 | exit(0); | |
146 | ||
22892d56 | 147 | case 'v': verbose++; |
52826846 NB |
148 | continue; |
149 | ||
dab6685f NB |
150 | case 'q': quiet++; |
151 | continue; | |
152 | ||
c82f047c | 153 | case 'b': |
f5e166fe | 154 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW) |
c82f047c NB |
155 | break; /* b means bitmap */ |
156 | brief = 1; | |
c06487ce NB |
157 | if (optarg) { |
158 | fprintf(stderr, Name ": -b cannot have any extra immediately after it, sorry.\n"); | |
159 | exit(2); | |
160 | } | |
cd29a5c8 NB |
161 | continue; |
162 | ||
54bad364 KS |
163 | case 'Y': export++; |
164 | continue; | |
165 | ||
997aed5d NB |
166 | case HomeHost: |
167 | homehost = optarg; | |
168 | continue; | |
169 | ||
e0d19036 NB |
170 | case ':': |
171 | case '?': | |
172 | fputs(Usage, stderr); | |
173 | exit(2); | |
174 | } | |
175 | /* second, figure out the mode. | |
176 | * Some options force the mode. Others | |
aba69144 | 177 | * set the mode if it isn't already |
e0d19036 NB |
178 | */ |
179 | ||
180 | switch(opt) { | |
181 | case '@': /* just incase they say --manage */ | |
c06487ce | 182 | newmode = MANAGE; |
024768c4 | 183 | shortopt = short_bitmap_options; |
c06487ce | 184 | break; |
e0d19036 NB |
185 | case 'a': |
186 | case 'r': | |
187 | case 'f': | |
41a3b72a | 188 | case ReAdd: /* re-add */ |
c06487ce NB |
189 | if (!mode) { |
190 | newmode = MANAGE; | |
024768c4 | 191 | shortopt = short_bitmap_options; |
c06487ce | 192 | } |
0320ea45 | 193 | break; |
e0d19036 | 194 | |
c06487ce NB |
195 | case 'A': newmode = ASSEMBLE; shortopt = short_bitmap_auto_options; break; |
196 | case 'B': newmode = BUILD; shortopt = short_bitmap_auto_options; break; | |
197 | case 'C': newmode = CREATE; shortopt = short_bitmap_auto_options; break; | |
e0d19036 | 198 | case 'F': newmode = MONITOR;break; |
024768c4 DL |
199 | case 'G': newmode = GROW; |
200 | shortopt = short_bitmap_options; | |
201 | break; | |
95b79df0 DW |
202 | case 'I': newmode = INCREMENTAL; |
203 | shortopt = short_bitmap_auto_options; break; | |
1f48664b NB |
204 | case AutoDetect: |
205 | newmode = AUTODETECT; break; | |
e0d19036 NB |
206 | |
207 | case '#': | |
208 | case 'D': | |
209 | case 'E': | |
c82f047c | 210 | case 'X': |
e0d19036 NB |
211 | case 'Q': newmode = MISC; break; |
212 | case 'R': | |
213 | case 'S': | |
214 | case 'o': | |
215 | case 'w': | |
b90c0e9a | 216 | case 'W': |
e0d19036 NB |
217 | case 'K': if (!mode) newmode = MISC; break; |
218 | } | |
219 | if (mode && newmode == mode) { | |
220 | /* everybody happy ! */ | |
221 | } else if (mode && newmode != mode) { | |
222 | /* not allowed.. */ | |
223 | fprintf(stderr, Name ": "); | |
224 | if (option_index >= 0) | |
225 | fprintf(stderr, "--%s", long_options[option_index].name); | |
226 | else | |
227 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 228 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
229 | map_num(modes, newmode), |
230 | map_num(modes, mode)); | |
231 | exit(2); | |
232 | } else if (!mode && newmode) { | |
233 | mode = newmode; | |
234 | } else { | |
235 | /* special case of -c --help */ | |
aba69144 | 236 | if (opt == 'c' && |
e0d19036 NB |
237 | ( strncmp(optarg, "--h", 3)==0 || |
238 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 239 | fputs(Help_config, stdout); |
e0d19036 | 240 | exit(0); |
cd29a5c8 | 241 | } |
0320ea45 NB |
242 | |
243 | /* If first option is a device, don't force the mode yet */ | |
244 | if (opt == 1) { | |
245 | if (devs_found == 0) { | |
246 | dv = malloc(sizeof(*dv)); | |
247 | if (dv == NULL) { | |
248 | fprintf(stderr, Name ": malloc failed\n"); | |
249 | exit(3); | |
250 | } | |
251 | dv->devname = optarg; | |
252 | dv->disposition = devmode; | |
dfd4d8ee | 253 | dv->writemostly = writemostly; |
fe80f49b | 254 | dv->re_add = re_add; |
da6b5ca9 | 255 | dv->used = 0; |
0320ea45 NB |
256 | dv->next = NULL; |
257 | *devlistend = dv; | |
258 | devlistend = &dv->next; | |
aba69144 | 259 | |
0320ea45 NB |
260 | devs_found++; |
261 | continue; | |
262 | } | |
263 | /* No mode yet, and this is the second device ... */ | |
264 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
265 | exit(2); | |
266 | } | |
e0d19036 | 267 | if (option_index >= 0) |
0320ea45 | 268 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 269 | else |
0320ea45 NB |
270 | fprintf(stderr, Name ": -%c", opt); |
271 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
272 | exit(2); |
273 | } | |
274 | ||
275 | /* if we just set the mode, then done */ | |
276 | switch(opt) { | |
277 | case '@': | |
278 | case '#': | |
279 | case 'A': | |
280 | case 'B': | |
281 | case 'C': | |
282 | case 'F': | |
dd0781e5 | 283 | case 'G': |
8382f19b | 284 | case 'I': |
1f48664b | 285 | case AutoDetect: |
e0d19036 NB |
286 | continue; |
287 | } | |
288 | if (opt == 1) { | |
289 | /* an undecorated option - must be a device name. | |
290 | */ | |
cd29a5c8 | 291 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 292 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
293 | exit(2); |
294 | } | |
e5329c37 NB |
295 | if (devs_found > 0 && mode == 'G' && !devmode) { |
296 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
297 | exit(2); | |
298 | } | |
cd29a5c8 NB |
299 | dv = malloc(sizeof(*dv)); |
300 | if (dv == NULL) { | |
301 | fprintf(stderr, Name ": malloc failed\n"); | |
302 | exit(3); | |
303 | } | |
304 | dv->devname = optarg; | |
305 | dv->disposition = devmode; | |
dfd4d8ee | 306 | dv->writemostly = writemostly; |
fe80f49b | 307 | dv->re_add = re_add; |
cd29a5c8 NB |
308 | dv->next = NULL; |
309 | *devlistend = dv; | |
310 | devlistend = &dv->next; | |
aba69144 | 311 | |
52826846 NB |
312 | devs_found++; |
313 | continue; | |
682c7051 | 314 | } |
682c7051 | 315 | |
52826846 NB |
316 | /* We've got a mode, and opt is now something else which |
317 | * could depend on the mode */ | |
318 | #define O(a,b) ((a<<8)|b) | |
319 | switch (O(mode,opt)) { | |
e0d19036 NB |
320 | case O(CREATE,'c'): |
321 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
322 | if (chunk) { |
323 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
324 | "Second value is %s.\n", optarg); | |
325 | exit(2); | |
326 | } | |
327 | chunk = strtol(optarg, &c, 10); | |
328 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
329 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
330 | optarg); | |
331 | exit(2); | |
332 | } | |
333 | continue; | |
64c4757e | 334 | |
589395d6 NB |
335 | case O(ASSEMBLE,AutoHomeHost): |
336 | auto_update_home = 1; | |
337 | continue; | |
8382f19b | 338 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
339 | case O(CREATE,'e'): |
340 | case O(ASSEMBLE,'e'): | |
341 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
342 | if (ss) { | |
343 | fprintf(stderr, Name ": metadata information already given\n"); | |
344 | exit(2); | |
345 | } | |
aba69144 | 346 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
347 | ss = superlist[i]->match_metadata_desc(optarg); |
348 | ||
f9ce90ba NB |
349 | if (!ss) { |
350 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
351 | exit(2); | |
352 | } | |
ea329559 | 353 | max_disks = ss->max_devs; |
f9ce90ba NB |
354 | continue; |
355 | ||
dfd4d8ee NB |
356 | case O(MANAGE,'W'): |
357 | case O(BUILD,'W'): | |
358 | case O(CREATE,'W'): | |
359 | /* set write-mostly for following devices */ | |
360 | writemostly = 1; | |
361 | continue; | |
362 | ||
b3d31955 N |
363 | case O(MANAGE,'w'): |
364 | /* clear write-mostly for following devices */ | |
365 | writemostly = 2; | |
366 | continue; | |
367 | ||
368 | ||
dd0781e5 | 369 | case O(GROW,'z'): |
e0d19036 | 370 | case O(CREATE,'z'): /* size */ |
dd0781e5 | 371 | if (size >= 0) { |
52826846 NB |
372 | fprintf(stderr, Name ": size may only be specified once. " |
373 | "Second value is %s.\n", optarg); | |
374 | exit(2); | |
375 | } | |
dd0781e5 NB |
376 | if (strcmp(optarg, "max")==0) |
377 | size = 0; | |
378 | else { | |
5dd497ee | 379 | size = strtoll(optarg, &c, 10); |
dd0781e5 NB |
380 | if (!optarg[0] || *c || size < 4) { |
381 | fprintf(stderr, Name ": invalid size: %s\n", | |
382 | optarg); | |
383 | exit(2); | |
384 | } | |
52826846 NB |
385 | } |
386 | continue; | |
64c4757e | 387 | |
b5e64645 | 388 | case O(GROW,'l'): /* hack - needed to understand layout */ |
e0d19036 NB |
389 | case O(CREATE,'l'): |
390 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 391 | if (level != UnSet) { |
52826846 NB |
392 | fprintf(stderr, Name ": raid level may only be set once. " |
393 | "Second value is %s.\n", optarg); | |
394 | exit(2); | |
395 | } | |
396 | level = map_name(pers, optarg); | |
98c6faba | 397 | if (level == UnSet) { |
52826846 NB |
398 | fprintf(stderr, Name ": invalid raid level: %s\n", |
399 | optarg); | |
400 | exit(2); | |
401 | } | |
b5e64645 | 402 | if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) { |
52826846 NB |
403 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
404 | optarg); | |
405 | exit(2); | |
406 | } | |
e0d19036 | 407 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 408 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
409 | optarg); |
410 | exit(2); | |
411 | } | |
cd29a5c8 | 412 | ident.level = level; |
52826846 | 413 | continue; |
64c4757e | 414 | |
e0d19036 | 415 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 NB |
416 | case O(BUILD,'p'): /* faulty layout */ |
417 | case O(GROW, 'p'): /* faulty reconfig */ | |
e5329c37 | 418 | if (layout != UnSet) { |
52826846 NB |
419 | fprintf(stderr,Name ": layout may only be sent once. " |
420 | "Second value was %s\n", optarg); | |
421 | exit(2); | |
422 | } | |
423 | switch(level) { | |
424 | default: | |
56eb10c0 | 425 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
426 | map_num(pers, level)); |
427 | exit(2); | |
98c6faba | 428 | case UnSet: |
52826846 NB |
429 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
430 | exit(2); | |
431 | ||
432 | case 5: | |
98c6faba | 433 | case 6: |
52826846 | 434 | layout = map_name(r5layout, optarg); |
98c6faba | 435 | if (layout==UnSet) { |
52826846 NB |
436 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
437 | optarg); | |
438 | exit(2); | |
439 | } | |
440 | break; | |
e5329c37 NB |
441 | |
442 | case 10: | |
b578481c NB |
443 | /* 'f', 'o' or 'n' followed by a number <= raid_disks */ |
444 | if ((optarg[0] != 'n' && optarg[0] != 'f' && optarg[0] != 'o') || | |
e5329c37 NB |
445 | (copies = strtoul(optarg+1, &cp, 10)) < 1 || |
446 | copies > 200 || | |
447 | *cp) { | |
b578481c | 448 | fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
449 | exit(2); |
450 | } | |
451 | if (optarg[0] == 'n') | |
452 | layout = 256 + copies; | |
b578481c NB |
453 | else if (optarg[0] == 'o') |
454 | layout = 0x10000 + (copies<<8) + 1; | |
e5329c37 NB |
455 | else |
456 | layout = 1 + (copies<<8); | |
457 | break; | |
b5e64645 NB |
458 | case -5: /* Faulty |
459 | * modeNNN | |
460 | */ | |
aba69144 | 461 | |
b5e64645 NB |
462 | { |
463 | int ln = strcspn(optarg, "0123456789"); | |
464 | char *m = strdup(optarg); | |
465 | int mode; | |
466 | m[ln] = 0; | |
467 | mode = map_name(faultylayout, m); | |
468 | if (mode == UnSet) { | |
469 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", | |
470 | optarg); | |
471 | exit(2); | |
472 | } | |
473 | layout = mode | (atoi(optarg+ln)<< ModeShift); | |
474 | } | |
52826846 NB |
475 | } |
476 | continue; | |
477 | ||
997aed5d NB |
478 | case O(CREATE,AssumeClean): |
479 | case O(BUILD,AssumeClean): /* assume clean */ | |
dd0781e5 NB |
480 | assume_clean = 1; |
481 | continue; | |
482 | ||
483 | case O(GROW,'n'): | |
e0d19036 NB |
484 | case O(CREATE,'n'): |
485 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 486 | if (raiddisks) { |
b83d95f3 | 487 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
488 | raiddisks, optarg); |
489 | exit(2); | |
490 | } | |
491 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 492 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 493 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
494 | optarg); |
495 | exit(2); | |
496 | } | |
cd29a5c8 | 497 | ident.raid_disks = raiddisks; |
52826846 NB |
498 | continue; |
499 | ||
e0d19036 | 500 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 501 | if (sparedisks) { |
b83d95f3 | 502 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
503 | sparedisks, optarg); |
504 | exit(2); | |
505 | } | |
98c6faba | 506 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 507 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
508 | level); |
509 | exit(2); | |
510 | } | |
511 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 512 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 513 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
514 | optarg); |
515 | exit(2); | |
516 | } | |
517 | continue; | |
dd0781e5 NB |
518 | |
519 | case O(CREATE,'a'): | |
520 | case O(BUILD,'a'): | |
95b79df0 | 521 | case O(INCREMENTAL,'a'): |
dd0781e5 | 522 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ |
f1ae21c4 | 523 | autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
524 | continue; |
525 | ||
38098016 NB |
526 | case O(CREATE,Symlinks): |
527 | case O(BUILD,Symlinks): | |
528 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
529 | symlinks = optarg; | |
530 | continue; | |
531 | ||
aa88f531 | 532 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
bd72c2b2 | 533 | case O(GROW,'f'): /* ditto */ |
e0d19036 NB |
534 | case O(CREATE,'f'): /* force honouring of device list */ |
535 | case O(ASSEMBLE,'f'): /* force assembly */ | |
536 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
537 | force=1; |
538 | continue; | |
539 | ||
540 | /* now for the Assemble options */ | |
3d3dd91e | 541 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 542 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 543 | if (ident.uuid_set) { |
cd29a5c8 | 544 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
545 | "Second value %s.\n", optarg); |
546 | exit(2); | |
547 | } | |
548 | if (parse_uuid(optarg, ident.uuid)) | |
549 | ident.uuid_set = 1; | |
550 | else { | |
551 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
552 | exit(2); | |
553 | } | |
554 | continue; | |
555 | ||
947fd4dd NB |
556 | case O(CREATE,'N'): |
557 | case O(ASSEMBLE,'N'): | |
558 | if (ident.name[0]) { | |
559 | fprintf(stderr, Name ": name cannot be set twice. " | |
560 | "Second value %s.\n", optarg); | |
561 | exit(2); | |
562 | } | |
563 | if (strlen(optarg) > 32) { | |
564 | fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n", | |
565 | optarg); | |
566 | exit(2); | |
567 | } | |
568 | strcpy(ident.name, optarg); | |
569 | continue; | |
570 | ||
e0d19036 | 571 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 572 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
573 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
574 | "Second value: %s.\n", optarg); | |
575 | exit(2); | |
576 | } | |
d013a55e NB |
577 | if (strcmp(optarg, "dev")==0) |
578 | ident.super_minor = -2; | |
579 | else { | |
580 | ident.super_minor = strtoul(optarg, &cp, 10); | |
581 | if (!optarg[0] || *cp) { | |
582 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
583 | exit(2); | |
584 | } | |
cd29a5c8 NB |
585 | } |
586 | continue; | |
587 | ||
5787fa49 NB |
588 | case O(ASSEMBLE,'U'): /* update the superblock */ |
589 | if (update) { | |
590 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
591 | update, optarg); | |
592 | exit(2); | |
593 | } | |
594 | update = optarg; | |
aba69144 | 595 | if (strcmp(update, "sparc2.2")==0) |
e5329c37 | 596 | continue; |
5787fa49 NB |
597 | if (strcmp(update, "super-minor") == 0) |
598 | continue; | |
feb716e9 NB |
599 | if (strcmp(update, "summaries")==0) |
600 | continue; | |
e5329c37 NB |
601 | if (strcmp(update, "resync")==0) |
602 | continue; | |
7d99579f NB |
603 | if (strcmp(update, "uuid")==0) |
604 | continue; | |
c4f12c13 NB |
605 | if (strcmp(update, "name")==0) |
606 | continue; | |
0237e0ca NB |
607 | if (strcmp(update, "homehost")==0) |
608 | continue; | |
bee8ec56 NB |
609 | if (strcmp(update, "devicesize")==0) |
610 | continue; | |
586ed405 NB |
611 | if (strcmp(update, "byteorder")==0) { |
612 | if (ss) { | |
613 | fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n"); | |
614 | exit(2); | |
615 | } | |
aba69144 | 616 | for(i=0; !ss && superlist[i]; i++) |
586ed405 NB |
617 | ss = superlist[i]->match_metadata_desc("0.swap"); |
618 | if (!ss) { | |
619 | fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n"); | |
620 | exit(2); | |
621 | } | |
622 | ||
623 | continue; | |
624 | } | |
0047d254 NB |
625 | if (strcmp(update,"?") == 0 || |
626 | strcmp(update, "help") == 0) { | |
627 | outf = stdout; | |
628 | fprintf(outf, Name ": "); | |
629 | } else { | |
630 | outf = stderr; | |
631 | fprintf(outf, | |
632 | Name ": '--update=%s' is invalid. ", | |
633 | update); | |
634 | } | |
635 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 NB |
636 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
637 | " 'summaries', 'homehost', 'byteorder', 'devicesize'.\n"); | |
0047d254 | 638 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 639 | |
997aed5d | 640 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
0047d254 NB |
641 | runstop = -1; /* --stop isn't allowed for --assemble, |
642 | * so we overload slightly */ | |
b8a8ccf9 NB |
643 | continue; |
644 | ||
e0d19036 | 645 | case O(ASSEMBLE,'c'): /* config file */ |
2d465520 | 646 | case O(MISC, 'c'): |
e0d19036 | 647 | case O(MONITOR,'c'): |
52826846 NB |
648 | if (configfile) { |
649 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
650 | "Second value is %s.\n", optarg); | |
651 | exit(2); | |
652 | } | |
653 | configfile = optarg; | |
8aec876d | 654 | set_conffile(configfile); |
52826846 NB |
655 | /* FIXME possibly check that config file exists. Even parse it */ |
656 | continue; | |
e0d19036 NB |
657 | case O(ASSEMBLE,'s'): /* scan */ |
658 | case O(MISC,'s'): | |
659 | case O(MONITOR,'s'): | |
8382f19b | 660 | case O(INCREMENTAL,'s'): |
52826846 NB |
661 | scan = 1; |
662 | continue; | |
663 | ||
e0d19036 | 664 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
665 | if (mailaddr) |
666 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
667 | optarg); | |
668 | else | |
669 | mailaddr = optarg; | |
670 | continue; | |
671 | ||
e0d19036 | 672 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
673 | if (program) |
674 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
675 | optarg); | |
676 | else | |
677 | program = optarg; | |
678 | continue; | |
64c4757e | 679 | |
e0d19036 | 680 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 681 | case O(GROW, 'd'): |
c82f047c NB |
682 | case O(BUILD,'d'): /* delay for bitmap updates */ |
683 | case O(CREATE,'d'): | |
52826846 NB |
684 | if (delay) |
685 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
686 | optarg); | |
687 | else { | |
688 | delay = strtol(optarg, &c, 10); | |
689 | if (!optarg[0] || *c || delay<1) { | |
690 | fprintf(stderr, Name ": invalid delay: %s\n", | |
691 | optarg); | |
692 | exit(2); | |
693 | } | |
694 | } | |
695 | continue; | |
d013a55e NB |
696 | case O(MONITOR,'f'): /* daemonise */ |
697 | daemonise = 1; | |
698 | continue; | |
b5e64645 NB |
699 | case O(MONITOR,'i'): /* pid */ |
700 | if (pidfile) | |
701 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
702 | optarg); | |
703 | else | |
704 | pidfile = optarg; | |
705 | continue; | |
aa88f531 NB |
706 | case O(MONITOR,'1'): /* oneshot */ |
707 | oneshot = 1; | |
708 | continue; | |
98c6faba NB |
709 | case O(MONITOR,'t'): /* test */ |
710 | test = 1; | |
711 | continue; | |
773135f5 | 712 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 713 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
714 | dosyslog = 1; |
715 | continue; | |
52826846 NB |
716 | |
717 | /* now the general management options. Some are applicable | |
718 | * to other modes. None have arguments. | |
719 | */ | |
e5329c37 | 720 | case O(GROW,'a'): |
dd0781e5 | 721 | case O(MANAGE,'a'): /* add a drive */ |
52826846 | 722 | devmode = 'a'; |
fe80f49b NB |
723 | re_add = 0; |
724 | continue; | |
997aed5d | 725 | case O(MANAGE,ReAdd): |
fe80f49b NB |
726 | devmode = 'a'; |
727 | re_add = 1; | |
52826846 | 728 | continue; |
e0d19036 | 729 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
730 | devmode = 'r'; |
731 | continue; | |
e0d19036 | 732 | case O(MANAGE,'f'): /* set faulty */ |
52826846 NB |
733 | devmode = 'f'; |
734 | continue; | |
8382f19b | 735 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
736 | case O(MANAGE,'R'): |
737 | case O(ASSEMBLE,'R'): | |
738 | case O(BUILD,'R'): | |
739 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
740 | if (runstop < 0) { |
741 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
742 | exit(2); | |
743 | } | |
744 | runstop = 1; | |
745 | continue; | |
e0d19036 | 746 | case O(MANAGE,'S'): |
52826846 NB |
747 | if (runstop > 0) { |
748 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
749 | exit(2); | |
750 | } | |
751 | runstop = -1; | |
752 | continue; | |
753 | ||
e0d19036 NB |
754 | case O(MISC,'Q'): |
755 | case O(MISC,'D'): | |
756 | case O(MISC,'E'): | |
757 | case O(MISC,'K'): | |
758 | case O(MISC,'R'): | |
759 | case O(MISC,'S'): | |
c82f047c | 760 | case O(MISC,'X'): |
e0d19036 NB |
761 | case O(MISC,'o'): |
762 | case O(MISC,'w'): | |
b90c0e9a | 763 | case O(MISC,'W'): |
e0d19036 NB |
764 | if (devmode && devmode != opt && |
765 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
766 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
767 | devmode =='E'?opt:devmode); | |
768 | exit(2); | |
769 | } | |
770 | devmode = opt; | |
771 | continue; | |
feb716e9 NB |
772 | case O(MISC,'t'): |
773 | test = 1; | |
774 | continue; | |
e0d19036 | 775 | |
997aed5d | 776 | case O(MISC, Sparc22): |
bd526cee NB |
777 | if (devmode != 'E') { |
778 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
779 | exit(2); | |
780 | } | |
781 | SparcAdjust = 1; | |
782 | continue; | |
c82f047c NB |
783 | |
784 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
785 | if (!optarg) { | |
786 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
787 | exit(2); | |
788 | } | |
55935d51 NB |
789 | if (strcmp(optarg, "internal")==0) { |
790 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
791 | continue; | |
792 | } | |
c82f047c NB |
793 | bitmap_fd = open(optarg, O_RDWR); |
794 | if (!*optarg || bitmap_fd < 0) { | |
795 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
796 | exit(2); | |
797 | } | |
798 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
799 | continue; | |
f5e166fe | 800 | |
997aed5d NB |
801 | case O(ASSEMBLE, BackupFile): |
802 | case O(GROW, BackupFile): | |
06b0d786 NB |
803 | /* Specify a file into which grow might place a backup, |
804 | * or from which assemble might recover a backup | |
805 | */ | |
806 | if (backup_file) { | |
807 | fprintf(stderr, Name ": backup file already specified, rejecting %s\n", optarg); | |
808 | exit(2); | |
809 | } | |
810 | backup_file = optarg; | |
811 | continue; | |
812 | ||
c82f047c NB |
813 | case O(BUILD,'b'): |
814 | case O(CREATE,'b'): /* here we create the bitmap */ | |
85375d6d NB |
815 | if (strcmp(optarg, "none") == 0) { |
816 | fprintf(stderr, Name ": '--bitmap none' only" | |
817 | " support for --grow\n"); | |
818 | exit(2); | |
819 | } | |
820 | /* FALL THROUGH */ | |
821 | case O(GROW,'b'): | |
1e0d770c NB |
822 | if (strcmp(optarg, "internal")== 0 || |
823 | strcmp(optarg, "none")== 0 || | |
824 | strchr(optarg, '/') != NULL) { | |
825 | bitmap_file = optarg; | |
826 | continue; | |
827 | } | |
828 | /* probable typo */ | |
829 | fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n"); | |
830 | exit(2); | |
c82f047c | 831 | |
997aed5d NB |
832 | case O(GROW,BitmapChunk): |
833 | case O(BUILD,BitmapChunk): | |
834 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
c82f047c NB |
835 | bitmap_chunk = strtol(optarg, &c, 10); |
836 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
837 | bitmap_chunk & (bitmap_chunk - 1)) { | |
838 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
839 | optarg); | |
840 | exit(2); | |
841 | } | |
842 | /* convert K to B, chunk of 0K means 512B */ | |
843 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
844 | continue; | |
dfd4d8ee | 845 | |
7d19ad0d | 846 | case O(GROW, WriteBehind): |
997aed5d NB |
847 | case O(BUILD, WriteBehind): |
848 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
dfd4d8ee NB |
849 | write_behind = DEFAULT_MAX_WRITE_BEHIND; |
850 | if (optarg) { | |
851 | write_behind = strtol(optarg, &c, 10); | |
852 | if (write_behind < 0 || *c || | |
853 | write_behind > 16383) { | |
854 | fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); | |
855 | exit(2); | |
856 | } | |
857 | } | |
858 | continue; | |
8382f19b NB |
859 | |
860 | case O(INCREMENTAL, 'r'): | |
861 | rebuild_map = 1; | |
862 | continue; | |
52826846 NB |
863 | } |
864 | /* We have now processed all the valid options. Anything else is | |
865 | * an error | |
866 | */ | |
06b0d786 NB |
867 | if (option_index > 0) |
868 | fprintf(stderr, Name ":option --%s not valid in %s mode\n", | |
869 | long_options[option_index].name, | |
870 | map_num(modes, mode)); | |
871 | else | |
872 | fprintf(stderr, Name ": option -%c not valid in %s mode\n", | |
873 | opt, map_num(modes, mode)); | |
64c4757e | 874 | exit(2); |
52826846 NB |
875 | |
876 | } | |
877 | ||
3d4064cc NB |
878 | if (print_help) { |
879 | char *help_text = Help; | |
880 | if (print_help == 2) | |
881 | help_text = OptionHelp; | |
882 | else | |
883 | switch (mode) { | |
884 | case ASSEMBLE : help_text = Help_assemble; break; | |
885 | case BUILD : help_text = Help_build; break; | |
886 | case CREATE : help_text = Help_create; break; | |
887 | case MANAGE : help_text = Help_manage; break; | |
888 | case MISC : help_text = Help_misc; break; | |
889 | case MONITOR : help_text = Help_monitor; break; | |
890 | case GROW : help_text = Help_grow; break; | |
8382f19b | 891 | case INCREMENTAL:help_text= Help_incr; break; |
3d4064cc | 892 | } |
0047d254 | 893 | fputs(help_text,stdout); |
3d4064cc NB |
894 | exit(0); |
895 | } | |
896 | ||
0320ea45 NB |
897 | if (!mode && devs_found) { |
898 | mode = MISC; | |
899 | devmode = 'Q'; | |
900 | if (devlist->disposition == 0) | |
901 | devlist->disposition = devmode; | |
902 | } | |
52826846 NB |
903 | if (!mode) { |
904 | fputs(Usage, stderr); | |
64c4757e | 905 | exit(2); |
64c4757e | 906 | } |
38098016 NB |
907 | |
908 | if (symlinks) { | |
909 | struct createinfo *ci = conf_get_create_info(); | |
910 | ||
911 | if (strcasecmp(symlinks, "yes") == 0) | |
912 | ci->symlinks = 1; | |
913 | else if (strcasecmp(symlinks, "no") == 0) | |
914 | ci->symlinks = 0; | |
915 | else { | |
916 | fprintf(stderr, Name ": option --symlinks must be 'no' or 'yes'\n"); | |
917 | exit(2); | |
918 | } | |
919 | } | |
52826846 NB |
920 | /* Ok, got the option parsing out of the way |
921 | * hopefully it's mostly right but there might be some stuff | |
922 | * missing | |
923 | * | |
e0d19036 | 924 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
925 | * |
926 | * For @,B,C and A without -s, the first device listed must be an md device | |
927 | * we check that here and open it. | |
64c4757e | 928 | */ |
52826846 | 929 | |
dd0781e5 NB |
930 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
931 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
932 | if (devs_found < 1) { |
933 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
934 | exit(2); | |
935 | } | |
dd0781e5 | 936 | if ((int)ident.super_minor == -2 && autof) { |
aba69144 | 937 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
938 | exit(2); |
939 | } | |
1d1e104b | 940 | if (mode == MANAGE || mode == GROW) |
d55e3aef | 941 | autof=1; /* Don't create */ |
dd0781e5 | 942 | mdfd = open_mddev(devlist->devname, autof); |
52826846 NB |
943 | if (mdfd < 0) |
944 | exit(1); | |
98c6faba | 945 | if ((int)ident.super_minor == -2) { |
d013a55e NB |
946 | struct stat stb; |
947 | fstat(mdfd, &stb); | |
0df46c2a | 948 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 949 | } |
64c4757e | 950 | } |
52826846 | 951 | |
e4c4352e NB |
952 | if (raiddisks) { |
953 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
954 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
955 | raiddisks); | |
e4c4352e NB |
956 | exit(2); |
957 | } | |
958 | if (raiddisks == 1 && !force && level != -5) { | |
959 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
960 | " a mistake. If you really mean it you will need to specify --force before\n" | |
961 | " setting the number of drives.\n"); | |
962 | exit(2); | |
963 | } | |
964 | } | |
965 | if (sparedisks) { | |
966 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
967 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
968 | sparedisks); | |
e4c4352e NB |
969 | exit(2); |
970 | } | |
971 | } | |
c82f047c | 972 | |
997aed5d | 973 | if (homehost == NULL) |
8aec876d | 974 | homehost = conf_get_homehost(); |
05697ec1 NB |
975 | if (homehost && strcmp(homehost, "<system>")==0) { |
976 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { | |
977 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
978 | homehost = sys_hostname; | |
979 | } | |
980 | } | |
997aed5d | 981 | |
52826846 NB |
982 | rv = 0; |
983 | switch(mode) { | |
e0d19036 | 984 | case MANAGE: |
52826846 NB |
985 | /* readonly, add/remove, readwrite, runstop */ |
986 | if (readonly>0) | |
cd29a5c8 | 987 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 988 | if (!rv && devs_found>1) |
cd29a5c8 | 989 | rv = Manage_subdevs(devlist->devname, mdfd, |
dab6685f | 990 | devlist->next, verbose-quiet); |
52826846 | 991 | if (!rv && readonly < 0) |
cd29a5c8 | 992 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 993 | if (!rv && runstop) |
ab56093f | 994 | rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet); |
52826846 | 995 | break; |
e0d19036 | 996 | case ASSEMBLE: |
d013a55e | 997 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 998 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e | 999 | /* Only a device has been given, so get details from config file */ |
8aec876d | 1000 | mddev_ident_t array_ident = conf_get_ident(devlist->devname); |
b5e64645 NB |
1001 | if (array_ident == NULL) { |
1002 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
1003 | devlist->devname); | |
d013a55e | 1004 | rv |= 1; |
b5e64645 | 1005 | } else { |
aba69144 | 1006 | mdfd = open_mddev(devlist->devname, |
1337546d | 1007 | array_ident->autof ? array_ident->autof : autof); |
b5e64645 | 1008 | if (mdfd < 0) |
d013a55e | 1009 | rv |= 1; |
b5e64645 | 1010 | else { |
8aec876d | 1011 | rv |= Assemble(ss, devlist->devname, mdfd, array_ident, |
06b0d786 | 1012 | NULL, backup_file, |
e5eac01f | 1013 | readonly, runstop, update, homehost, verbose-quiet, force); |
b5e64645 NB |
1014 | close(mdfd); |
1015 | } | |
d013a55e NB |
1016 | } |
1017 | } else if (!scan) | |
8aec876d | 1018 | rv = Assemble(ss, devlist->devname, mdfd, &ident, |
06b0d786 | 1019 | devlist->next, backup_file, |
e5eac01f | 1020 | readonly, runstop, update, homehost, verbose-quiet, force); |
5787fa49 NB |
1021 | else if (devs_found>0) { |
1022 | if (update && devs_found > 1) { | |
1023 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
1024 | exit(1); | |
1025 | } | |
06b0d786 NB |
1026 | if (backup_file && devs_found > 1) { |
1027 | fprintf(stderr, Name ": can only assemble a single array when providing a backup file.\n"); | |
1028 | exit(1); | |
1029 | } | |
cd29a5c8 | 1030 | for (dv = devlist ; dv ; dv=dv->next) { |
8aec876d | 1031 | mddev_ident_t array_ident = conf_get_ident(dv->devname); |
52826846 NB |
1032 | if (array_ident == NULL) { |
1033 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 1034 | dv->devname); |
52826846 NB |
1035 | rv |= 1; |
1036 | continue; | |
1037 | } | |
aba69144 | 1038 | mdfd = open_mddev(dv->devname, |
1337546d | 1039 | array_ident->autof ?array_ident->autof : autof); |
b5e64645 NB |
1040 | if (mdfd < 0) { |
1041 | rv |= 1; | |
1042 | continue; | |
1043 | } | |
8aec876d | 1044 | rv |= Assemble(ss, dv->devname, mdfd, array_ident, |
06b0d786 | 1045 | NULL, backup_file, |
e5eac01f | 1046 | readonly, runstop, update, homehost, verbose-quiet, force); |
b5e64645 | 1047 | close(mdfd); |
52826846 | 1048 | } |
5787fa49 | 1049 | } else { |
8aec876d NB |
1050 | mddev_ident_t array_list = conf_get_ident(NULL); |
1051 | mddev_dev_t devlist = conf_get_devs(); | |
da6b5ca9 NB |
1052 | int cnt = 0; |
1053 | if (devlist == NULL) { | |
1054 | fprintf(stderr, Name ": No devices listed in conf file were found.\n"); | |
1055 | exit(1); | |
1056 | } | |
1057 | if (update) { | |
1058 | fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n"); | |
1059 | exit(1); | |
1060 | } | |
1061 | if (backup_file) { | |
1062 | fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n"); | |
1063 | exit(1); | |
1064 | } | |
1065 | for (; array_list; array_list = array_list->next) { | |
1066 | mdu_array_info_t array; | |
1067 | mdfd = open_mddev(array_list->devname, | |
1068 | array_list->autof ? array_list->autof : autof); | |
1069 | if (mdfd < 0) { | |
1070 | rv |= 1; | |
1071 | continue; | |
06b0d786 | 1072 | } |
da6b5ca9 NB |
1073 | if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) |
1074 | /* already assembled, skip */ | |
1cac4c1b | 1075 | cnt++; |
da6b5ca9 NB |
1076 | else { |
1077 | rv |= Assemble(ss, array_list->devname, mdfd, | |
8aec876d | 1078 | array_list, |
43f2372a | 1079 | NULL, NULL, |
da6b5ca9 NB |
1080 | readonly, runstop, NULL, homehost, verbose-quiet, force); |
1081 | if (rv == 0) cnt++; | |
06b0d786 | 1082 | } |
da6b5ca9 NB |
1083 | close(mdfd); |
1084 | } | |
1085 | if (homehost) { | |
1086 | /* Maybe we can auto-assemble something. | |
1087 | * Repeatedly call Assemble in auto-assmble mode | |
1088 | * until it fails | |
1089 | */ | |
1090 | int rv2; | |
d55e3aef NB |
1091 | int acnt; |
1092 | ident.autof = autof; | |
da6b5ca9 | 1093 | do { |
1c203a4b | 1094 | mddev_dev_t devlist = conf_get_devs(); |
d55e3aef NB |
1095 | acnt = 0; |
1096 | do { | |
1097 | rv2 = Assemble(ss, NULL, -1, | |
8aec876d | 1098 | &ident, |
1c203a4b | 1099 | devlist, NULL, |
d55e3aef NB |
1100 | readonly, runstop, NULL, homehost, verbose-quiet, force); |
1101 | if (rv2==0) { | |
1102 | cnt++; | |
1103 | acnt++; | |
1104 | } | |
589395d6 NB |
1105 | if (rv2 == 1) |
1106 | /* found something so even though assembly failed we | |
1107 | * want to avoid auto-updates | |
1108 | */ | |
1109 | auto_update_home = 0; | |
d55e3aef NB |
1110 | } while (rv2!=2); |
1111 | /* Incase there are stacked devices, we need to go around again */ | |
d55e3aef | 1112 | } while (acnt); |
589395d6 NB |
1113 | if (cnt == 0 && auto_update_home && homehost) { |
1114 | /* Nothing found, maybe we need to bootstrap homehost info */ | |
1115 | do { | |
1116 | acnt = 0; | |
1117 | do { | |
1118 | rv2 = Assemble(ss, NULL, -1, | |
8aec876d | 1119 | &ident, |
43f2372a | 1120 | NULL, NULL, |
589395d6 NB |
1121 | readonly, runstop, "homehost", homehost, verbose-quiet, force); |
1122 | if (rv2==0) { | |
1123 | cnt++; | |
1124 | acnt++; | |
1125 | } | |
1126 | } while (rv2!=2); | |
1127 | /* Incase there are stacked devices, we need to go around again */ | |
589395d6 NB |
1128 | } while (acnt); |
1129 | } | |
da6b5ca9 NB |
1130 | if (cnt == 0 && rv == 0) { |
1131 | fprintf(stderr, Name ": No arrays found in config file or automatically\n"); | |
1132 | rv = 1; | |
1c203a4b NB |
1133 | } else if (cnt) |
1134 | rv = 0; | |
da6b5ca9 NB |
1135 | } else if (cnt == 0 && rv == 0) { |
1136 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
1137 | rv = 1; | |
1138 | } | |
52826846 NB |
1139 | } |
1140 | break; | |
e0d19036 | 1141 | case BUILD: |
c82f047c | 1142 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1143 | if (write_behind && !bitmap_file) { |
1144 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1145 | rv = 1; | |
1146 | break; | |
1147 | } | |
5b28bd56 | 1148 | if (raiddisks == 0) { |
e5669f40 | 1149 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1150 | rv = 1; |
1151 | break; | |
1152 | } | |
dfd4d8ee | 1153 | |
c82f047c | 1154 | if (bitmap_file) { |
55935d51 NB |
1155 | if (strcmp(bitmap_file, "internal")==0) { |
1156 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
1157 | rv |= 1; | |
1158 | break; | |
1159 | } | |
c82f047c NB |
1160 | } |
1161 | rv = Build(devlist->devname, mdfd, chunk, level, layout, | |
1162 | raiddisks, devlist->next, assume_clean, | |
dab6685f | 1163 | bitmap_file, bitmap_chunk, write_behind, delay, verbose-quiet); |
52826846 | 1164 | break; |
e0d19036 | 1165 | case CREATE: |
c82f047c | 1166 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1167 | if (write_behind && !bitmap_file) { |
1168 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1169 | rv = 1; | |
1170 | break; | |
1171 | } | |
5b28bd56 | 1172 | if (raiddisks == 0) { |
e5669f40 | 1173 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1174 | rv = 1; |
1175 | break; | |
1176 | } | |
f9ce90ba NB |
1177 | |
1178 | rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, | |
05697ec1 | 1179 | raiddisks, sparedisks, ident.name, homehost, |
3d3dd91e | 1180 | ident.uuid_set ? ident.uuid : NULL, |
47d79ef8 | 1181 | devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean, |
dfd4d8ee | 1182 | bitmap_file, bitmap_chunk, write_behind, delay); |
52826846 | 1183 | break; |
e0d19036 | 1184 | case MISC: |
e0d19036 NB |
1185 | if (devmode == 'E') { |
1186 | if (devlist == NULL && !scan) { | |
1187 | fprintf(stderr, Name ": No devices to examine\n"); | |
1188 | exit(2); | |
1189 | } | |
1190 | if (devlist == NULL) | |
8aec876d | 1191 | devlist = conf_get_devs(); |
e0d19036 | 1192 | if (devlist == NULL) { |
c913b90e | 1193 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1194 | exit(1); |
1195 | } | |
e843d5d7 NB |
1196 | if (brief && verbose) |
1197 | brief = 2; | |
0d726f17 KS |
1198 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, |
1199 | export, scan, | |
1200 | SparcAdjust, ss, homehost); | |
e0d19036 NB |
1201 | } else { |
1202 | if (devlist == NULL) { | |
91f068bf NB |
1203 | if (devmode=='D' && scan) { |
1204 | /* apply --detail to all devices in /proc/mdstat */ | |
22a88995 | 1205 | struct mdstat_ent *ms = mdstat_read(0, 1); |
e0d19036 NB |
1206 | struct mdstat_ent *e; |
1207 | for (e=ms ; e ; e=e->next) { | |
1208 | char *name = get_md_name(e->devnum); | |
1209 | ||
1210 | if (!name) { | |
1211 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1212 | e->dev); | |
1213 | continue; | |
1214 | } | |
54bad364 KS |
1215 | rv |= Detail(name, verbose>1?0:verbose+1, |
1216 | export, test, homehost); | |
91f068bf NB |
1217 | put_md_name(name); |
1218 | } | |
1219 | } else if (devmode == 'S' && scan) { | |
1220 | /* apply --stop to all devices in /proc/mdstat */ | |
1221 | /* Due to possible stacking of devices, repeat until | |
1222 | * nothing more can be stopped | |
1223 | */ | |
1224 | int progress=1, err; | |
1225 | int last = 0; | |
1226 | do { | |
22a88995 | 1227 | struct mdstat_ent *ms = mdstat_read(0, 0); |
91f068bf NB |
1228 | struct mdstat_ent *e; |
1229 | ||
1230 | if (!progress) last = 1; | |
1231 | progress = 0; err = 0; | |
1232 | for (e=ms ; e ; e=e->next) { | |
1233 | char *name = get_md_name(e->devnum); | |
1234 | ||
1235 | if (!name) { | |
1236 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1237 | e->dev); | |
1238 | continue; | |
1239 | } | |
d55e3aef | 1240 | mdfd = open_mddev(name, 1); |
43fc1676 | 1241 | if (mdfd >= 0) { |
ab56093f | 1242 | if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1)) |
91f068bf NB |
1243 | err = 1; |
1244 | else | |
1245 | progress = 1; | |
43fc1676 NB |
1246 | close(mdfd); |
1247 | } | |
91f068bf NB |
1248 | |
1249 | put_md_name(name); | |
e0d19036 | 1250 | } |
91f068bf | 1251 | } while (!last && err); |
f9c25f1d | 1252 | if (err) rv |= 1; |
91f068bf | 1253 | } else { |
e0d19036 NB |
1254 | fprintf(stderr, Name ": No devices given.\n"); |
1255 | exit(2); | |
1256 | } | |
1257 | } | |
1258 | for (dv=devlist ; dv; dv=dv->next) { | |
1259 | switch(dv->disposition) { | |
1260 | case 'D': | |
54bad364 KS |
1261 | rv |= Detail(dv->devname, |
1262 | brief?1+verbose:0, | |
1263 | export, test, homehost); | |
1264 | continue; | |
e0d19036 | 1265 | case 'K': /* Zero superblock */ |
6409687b | 1266 | rv |= Kill(dv->devname, force, quiet); continue; |
e0d19036 NB |
1267 | case 'Q': |
1268 | rv |= Query(dv->devname); continue; | |
c82f047c | 1269 | case 'X': |
55935d51 | 1270 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
b90c0e9a NB |
1271 | case 'W': |
1272 | rv |= Wait(dv->devname); continue; | |
e0d19036 | 1273 | } |
d55e3aef | 1274 | mdfd = open_mddev(dv->devname, 1); |
43fc1676 | 1275 | if (mdfd>=0) { |
e0d19036 NB |
1276 | switch(dv->disposition) { |
1277 | case 'R': | |
ab56093f | 1278 | rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break; |
e0d19036 | 1279 | case 'S': |
ab56093f | 1280 | rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break; |
e0d19036 NB |
1281 | case 'o': |
1282 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1283 | case 'w': | |
1284 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1285 | } | |
43fc1676 | 1286 | close(mdfd); |
7f48e210 NB |
1287 | } else |
1288 | rv |= 1; | |
e0d19036 | 1289 | } |
cd29a5c8 | 1290 | } |
9a9dab36 | 1291 | break; |
e0d19036 | 1292 | case MONITOR: |
e0d19036 NB |
1293 | if (!devlist && !scan) { |
1294 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1295 | rv = 1; | |
1296 | break; | |
1297 | } | |
b5e64645 NB |
1298 | if (pidfile && !daemonise) { |
1299 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1300 | rv = 1; | |
1301 | break; | |
1302 | } | |
d013a55e | 1303 | rv= Monitor(devlist, mailaddr, program, |
773135f5 | 1304 | delay?delay:60, daemonise, scan, oneshot, |
8aec876d | 1305 | dosyslog, test, pidfile); |
9a9dab36 | 1306 | break; |
dd0781e5 NB |
1307 | |
1308 | case GROW: | |
1309 | if (devs_found > 1) { | |
aba69144 | 1310 | |
e5329c37 NB |
1311 | /* must be '-a'. */ |
1312 | if (size >= 0 || raiddisks) { | |
1313 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
1314 | rv = 1; | |
1315 | break; | |
1316 | } | |
1317 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1318 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1319 | if (rv) | |
1320 | break; | |
1321 | } | |
f5e166fe NB |
1322 | } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) { |
1323 | fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n"); | |
dd0781e5 NB |
1324 | rv = 1; |
1325 | break; | |
b5e64645 NB |
1326 | } else if (layout != UnSet) |
1327 | rv = Manage_reconfig(devlist->devname, mdfd, layout); | |
1328 | else if (size >= 0 || raiddisks) | |
06b0d786 | 1329 | rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file, |
e86c9dd6 | 1330 | size, level, layout, chunk, raiddisks); |
f5e166fe NB |
1331 | else if (bitmap_file) { |
1332 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
1333 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, | |
8fac0577 | 1334 | bitmap_chunk, delay, write_behind, force); |
f5e166fe | 1335 | } else |
b5e64645 | 1336 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1337 | break; |
8382f19b NB |
1338 | case INCREMENTAL: |
1339 | if (rebuild_map) { | |
1340 | RebuildMap(); | |
1341 | } | |
1342 | if (scan) { | |
1343 | if (runstop <= 0) { | |
1344 | fprintf(stderr, Name | |
1345 | ": --incremental --scan meaningless without --run.\n"); | |
1346 | break; | |
1347 | } | |
1348 | rv = IncrementalScan(verbose); | |
1349 | } | |
1350 | if (!devlist) { | |
1351 | if (!rebuild_map && !scan) { | |
1352 | fprintf(stderr, Name | |
1353 | ": --incremental requires a device.\n"); | |
1354 | rv = 1; | |
1355 | } | |
1356 | break; | |
1357 | } | |
1358 | if (devlist->next) { | |
1359 | fprintf(stderr, Name | |
1360 | ": --incremental can only handle one device.\n"); | |
1361 | rv = 1; | |
1362 | break; | |
1363 | } | |
1364 | rv = Incremental(devlist->devname, verbose-quiet, runstop, | |
1365 | ss, homehost, autof); | |
1f48664b NB |
1366 | break; |
1367 | case AUTODETECT: | |
1368 | autodetect(); | |
1369 | break; | |
64c4757e | 1370 | } |
52826846 | 1371 | exit(rv); |
64c4757e | 1372 | } |