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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 | * |
cd29a5c8 | 4 | * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au> |
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 NB |
28 | * |
29 | * Additions for bitmap and async RAID options, Copyright (C) 2003-2004, | |
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 *help_text; |
44 | char *c; | |
45 | int rv; | |
f9ce90ba | 46 | int i; |
52826846 NB |
47 | |
48 | int chunk = 0; | |
dd0781e5 | 49 | int size = -1; |
98c6faba NB |
50 | int level = UnSet; |
51 | int layout = UnSet; | |
52826846 | 52 | int raiddisks = 0; |
ea329559 | 53 | int max_disks = MD_SB_DISKS; |
52826846 NB |
54 | int sparedisks = 0; |
55 | struct mddev_ident_s ident; | |
56 | char *configfile = NULL; | |
cd29a5c8 | 57 | char *cp; |
5787fa49 | 58 | char *update = NULL; |
52826846 NB |
59 | int scan = 0; |
60 | char devmode = 0; | |
61 | int runstop = 0; | |
62 | int readonly = 0; | |
c82f047c NB |
63 | int bitmap_fd = -1; |
64 | char *bitmap_file = NULL; | |
65 | int bitmap_chunk = UnSet; | |
bd526cee | 66 | int SparcAdjust = 0; |
cd29a5c8 NB |
67 | mddev_dev_t devlist = NULL; |
68 | mddev_dev_t *devlistend = & devlist; | |
69 | mddev_dev_t dv; | |
52826846 NB |
70 | int devs_found = 0; |
71 | int verbose = 0; | |
cd29a5c8 | 72 | int brief = 0; |
52826846 | 73 | int force = 0; |
feb716e9 | 74 | int test = 0; |
dd0781e5 | 75 | int assume_clean = 0; |
8d80900b NB |
76 | int autof = 0; /* -2 means create device based on name: |
77 | * if it ends mdN, then non-partitioned array N | |
78 | * if it ends dN, then partitions array N | |
79 | * -1 means create non-partitioned, choose N | |
80 | * 1 or more to create partitioned | |
81 | * If -1 or 1 and name is a 'standard' name, then | |
82 | * insist on a match of type and number. | |
83 | */ | |
52826846 NB |
84 | |
85 | char *mailaddr = NULL; | |
86 | char *program = NULL; | |
87 | int delay = 0; | |
d013a55e | 88 | int daemonise = 0; |
b5e64645 | 89 | char *pidfile = NULL; |
aa88f531 | 90 | int oneshot = 0; |
82d9eba6 | 91 | struct supertype *ss = NULL; |
52826846 | 92 | |
e5329c37 NB |
93 | int copies; |
94 | ||
52826846 NB |
95 | int mdfd = -1; |
96 | ||
dfe47e00 NB |
97 | srandom(time(0) ^ getpid()); |
98 | ||
52826846 | 99 | ident.uuid_set=0; |
98c6faba NB |
100 | ident.level = UnSet; |
101 | ident.raid_disks = UnSet; | |
102 | ident.super_minor= UnSet; | |
52826846 | 103 | ident.devices=0; |
a75f2fbc NB |
104 | ident.spare_group = NULL; |
105 | ident.autof = 0; | |
a825febc | 106 | ident.st = NULL; |
c82f047c | 107 | ident.bitmap_fd = -1; |
52826846 | 108 | |
e0d19036 NB |
109 | while ((option_index = -1) , |
110 | (opt=getopt_long(argc, argv, | |
52826846 | 111 | short_options, long_options, |
e0d19036 NB |
112 | &option_index)) != -1) { |
113 | int newmode = mode; | |
114 | /* firstly, so mode-independant options */ | |
52826846 | 115 | switch(opt) { |
52826846 NB |
116 | case 'h': |
117 | help_text = Help; | |
56eedc1a NB |
118 | if (option_index > 0 && |
119 | strcmp(long_options[option_index].name, "help-options")==0) | |
120 | help_text = OptionHelp; | |
121 | else | |
122 | switch (mode) { | |
123 | case ASSEMBLE : help_text = Help_assemble; break; | |
124 | case BUILD : help_text = Help_build; break; | |
125 | case CREATE : help_text = Help_create; break; | |
126 | case MANAGE : help_text = Help_manage; break; | |
127 | case MISC : help_text = Help_misc; break; | |
128 | case MONITOR : help_text = Help_monitor; break; | |
dd0781e5 | 129 | case GROW : help_text = Help_grow; break; |
56eedc1a | 130 | } |
52826846 NB |
131 | fputs(help_text,stderr); |
132 | exit(0); | |
133 | ||
134 | case 'V': | |
135 | fputs(Version, stderr); | |
136 | exit(0); | |
137 | ||
138 | case 'v': verbose = 1; | |
139 | continue; | |
140 | ||
c82f047c | 141 | case 'b': |
f5e166fe | 142 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW) |
c82f047c NB |
143 | break; /* b means bitmap */ |
144 | brief = 1; | |
cd29a5c8 NB |
145 | continue; |
146 | ||
e0d19036 NB |
147 | case ':': |
148 | case '?': | |
149 | fputs(Usage, stderr); | |
150 | exit(2); | |
151 | } | |
152 | /* second, figure out the mode. | |
153 | * Some options force the mode. Others | |
154 | * set the mode if it isn't already | |
155 | */ | |
156 | ||
157 | switch(opt) { | |
158 | case '@': /* just incase they say --manage */ | |
159 | newmode = MANAGE; break; | |
160 | case 'a': | |
161 | case 'r': | |
162 | case 'f': | |
0320ea45 NB |
163 | if (!mode) newmode = MANAGE; |
164 | break; | |
e0d19036 NB |
165 | |
166 | case 'A': newmode = ASSEMBLE; break; | |
167 | case 'B': newmode = BUILD; break; | |
168 | case 'C': newmode = CREATE; break; | |
169 | case 'F': newmode = MONITOR;break; | |
dd0781e5 | 170 | case 'G': newmode = GROW; break; |
e0d19036 NB |
171 | |
172 | case '#': | |
173 | case 'D': | |
174 | case 'E': | |
c82f047c | 175 | case 'X': |
e0d19036 NB |
176 | case 'Q': newmode = MISC; break; |
177 | case 'R': | |
178 | case 'S': | |
179 | case 'o': | |
180 | case 'w': | |
181 | case 'K': if (!mode) newmode = MISC; break; | |
182 | } | |
183 | if (mode && newmode == mode) { | |
184 | /* everybody happy ! */ | |
185 | } else if (mode && newmode != mode) { | |
186 | /* not allowed.. */ | |
187 | fprintf(stderr, Name ": "); | |
188 | if (option_index >= 0) | |
189 | fprintf(stderr, "--%s", long_options[option_index].name); | |
190 | else | |
191 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 192 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
193 | map_num(modes, newmode), |
194 | map_num(modes, mode)); | |
195 | exit(2); | |
196 | } else if (!mode && newmode) { | |
197 | mode = newmode; | |
198 | } else { | |
199 | /* special case of -c --help */ | |
200 | if (opt == 'c' && | |
201 | ( strncmp(optarg, "--h", 3)==0 || | |
202 | strncmp(optarg, "-h", 2)==0)) { | |
203 | fputs(Help_config, stderr); | |
204 | exit(0); | |
cd29a5c8 | 205 | } |
0320ea45 NB |
206 | |
207 | /* If first option is a device, don't force the mode yet */ | |
208 | if (opt == 1) { | |
209 | if (devs_found == 0) { | |
210 | dv = malloc(sizeof(*dv)); | |
211 | if (dv == NULL) { | |
212 | fprintf(stderr, Name ": malloc failed\n"); | |
213 | exit(3); | |
214 | } | |
215 | dv->devname = optarg; | |
216 | dv->disposition = devmode; | |
217 | dv->next = NULL; | |
218 | *devlistend = dv; | |
219 | devlistend = &dv->next; | |
220 | ||
221 | devs_found++; | |
222 | continue; | |
223 | } | |
224 | /* No mode yet, and this is the second device ... */ | |
225 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
226 | exit(2); | |
227 | } | |
e0d19036 | 228 | if (option_index >= 0) |
0320ea45 | 229 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 230 | else |
0320ea45 NB |
231 | fprintf(stderr, Name ": -%c", opt); |
232 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
233 | exit(2); |
234 | } | |
235 | ||
236 | /* if we just set the mode, then done */ | |
237 | switch(opt) { | |
238 | case '@': | |
239 | case '#': | |
240 | case 'A': | |
241 | case 'B': | |
242 | case 'C': | |
243 | case 'F': | |
dd0781e5 | 244 | case 'G': |
e0d19036 NB |
245 | continue; |
246 | } | |
247 | if (opt == 1) { | |
248 | /* an undecorated option - must be a device name. | |
249 | */ | |
cd29a5c8 | 250 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 251 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
252 | exit(2); |
253 | } | |
e5329c37 NB |
254 | if (devs_found > 0 && mode == 'G' && !devmode) { |
255 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
256 | exit(2); | |
257 | } | |
cd29a5c8 NB |
258 | dv = malloc(sizeof(*dv)); |
259 | if (dv == NULL) { | |
260 | fprintf(stderr, Name ": malloc failed\n"); | |
261 | exit(3); | |
262 | } | |
263 | dv->devname = optarg; | |
264 | dv->disposition = devmode; | |
265 | dv->next = NULL; | |
266 | *devlistend = dv; | |
267 | devlistend = &dv->next; | |
268 | ||
52826846 NB |
269 | devs_found++; |
270 | continue; | |
682c7051 | 271 | } |
682c7051 | 272 | |
52826846 NB |
273 | /* We've got a mode, and opt is now something else which |
274 | * could depend on the mode */ | |
275 | #define O(a,b) ((a<<8)|b) | |
276 | switch (O(mode,opt)) { | |
e0d19036 NB |
277 | case O(CREATE,'c'): |
278 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
279 | if (chunk) { |
280 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
281 | "Second value is %s.\n", optarg); | |
282 | exit(2); | |
283 | } | |
284 | chunk = strtol(optarg, &c, 10); | |
285 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
286 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
287 | optarg); | |
288 | exit(2); | |
289 | } | |
290 | continue; | |
64c4757e | 291 | |
f9ce90ba NB |
292 | case O(CREATE,'e'): |
293 | case O(ASSEMBLE,'e'): | |
294 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
295 | if (ss) { | |
296 | fprintf(stderr, Name ": metadata information already given\n"); | |
297 | exit(2); | |
298 | } | |
82d9eba6 NB |
299 | for(i=0; !ss && superlist[i]; i++) |
300 | ss = superlist[i]->match_metadata_desc(optarg); | |
301 | ||
f9ce90ba NB |
302 | if (!ss) { |
303 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
304 | exit(2); | |
305 | } | |
ea329559 | 306 | max_disks = ss->max_devs; |
f9ce90ba NB |
307 | continue; |
308 | ||
dd0781e5 | 309 | case O(GROW,'z'): |
e0d19036 | 310 | case O(CREATE,'z'): /* size */ |
dd0781e5 | 311 | if (size >= 0) { |
52826846 NB |
312 | fprintf(stderr, Name ": size may only be specified once. " |
313 | "Second value is %s.\n", optarg); | |
314 | exit(2); | |
315 | } | |
dd0781e5 NB |
316 | if (strcmp(optarg, "max")==0) |
317 | size = 0; | |
318 | else { | |
319 | size = strtol(optarg, &c, 10); | |
320 | if (!optarg[0] || *c || size < 4) { | |
321 | fprintf(stderr, Name ": invalid size: %s\n", | |
322 | optarg); | |
323 | exit(2); | |
324 | } | |
52826846 NB |
325 | } |
326 | continue; | |
64c4757e | 327 | |
b5e64645 | 328 | case O(GROW,'l'): /* hack - needed to understand layout */ |
e0d19036 NB |
329 | case O(CREATE,'l'): |
330 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 331 | if (level != UnSet) { |
52826846 NB |
332 | fprintf(stderr, Name ": raid level may only be set once. " |
333 | "Second value is %s.\n", optarg); | |
334 | exit(2); | |
335 | } | |
336 | level = map_name(pers, optarg); | |
98c6faba | 337 | if (level == UnSet) { |
52826846 NB |
338 | fprintf(stderr, Name ": invalid raid level: %s\n", |
339 | optarg); | |
340 | exit(2); | |
341 | } | |
b5e64645 | 342 | if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) { |
52826846 NB |
343 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
344 | optarg); | |
345 | exit(2); | |
346 | } | |
e0d19036 | 347 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 348 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
349 | optarg); |
350 | exit(2); | |
351 | } | |
cd29a5c8 | 352 | ident.level = level; |
52826846 | 353 | continue; |
64c4757e | 354 | |
e0d19036 | 355 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 NB |
356 | case O(BUILD,'p'): /* faulty layout */ |
357 | case O(GROW, 'p'): /* faulty reconfig */ | |
e5329c37 | 358 | if (layout != UnSet) { |
52826846 NB |
359 | fprintf(stderr,Name ": layout may only be sent once. " |
360 | "Second value was %s\n", optarg); | |
361 | exit(2); | |
362 | } | |
363 | switch(level) { | |
364 | default: | |
56eb10c0 | 365 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
366 | map_num(pers, level)); |
367 | exit(2); | |
98c6faba | 368 | case UnSet: |
52826846 NB |
369 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
370 | exit(2); | |
371 | ||
372 | case 5: | |
98c6faba | 373 | case 6: |
52826846 | 374 | layout = map_name(r5layout, optarg); |
98c6faba | 375 | if (layout==UnSet) { |
52826846 NB |
376 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
377 | optarg); | |
378 | exit(2); | |
379 | } | |
380 | break; | |
e5329c37 NB |
381 | |
382 | case 10: | |
383 | /* 'f' or 'n' followed by a number <= raid_disks */ | |
384 | if ((optarg[0] != 'n' && optarg[0] != 'f') || | |
385 | (copies = strtoul(optarg+1, &cp, 10)) < 1 || | |
386 | copies > 200 || | |
387 | *cp) { | |
388 | fprintf(stderr, Name ": layout for raid10 must be 'nNN' or 'fNN' where NN is a number, not %s\n", optarg); | |
389 | exit(2); | |
390 | } | |
391 | if (optarg[0] == 'n') | |
392 | layout = 256 + copies; | |
393 | else | |
394 | layout = 1 + (copies<<8); | |
395 | break; | |
b5e64645 NB |
396 | case -5: /* Faulty |
397 | * modeNNN | |
398 | */ | |
399 | ||
400 | { | |
401 | int ln = strcspn(optarg, "0123456789"); | |
402 | char *m = strdup(optarg); | |
403 | int mode; | |
404 | m[ln] = 0; | |
405 | mode = map_name(faultylayout, m); | |
406 | if (mode == UnSet) { | |
407 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", | |
408 | optarg); | |
409 | exit(2); | |
410 | } | |
411 | layout = mode | (atoi(optarg+ln)<< ModeShift); | |
412 | } | |
52826846 NB |
413 | } |
414 | continue; | |
415 | ||
dd0781e5 NB |
416 | case O(CREATE,3): |
417 | case O(BUILD,3): /* assume clean */ | |
418 | assume_clean = 1; | |
419 | continue; | |
420 | ||
421 | case O(GROW,'n'): | |
e0d19036 NB |
422 | case O(CREATE,'n'): |
423 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 424 | if (raiddisks) { |
b83d95f3 | 425 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
426 | raiddisks, optarg); |
427 | exit(2); | |
428 | } | |
429 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 430 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 431 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
432 | optarg); |
433 | exit(2); | |
434 | } | |
cd29a5c8 | 435 | ident.raid_disks = raiddisks; |
52826846 NB |
436 | continue; |
437 | ||
e0d19036 | 438 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 439 | if (sparedisks) { |
b83d95f3 | 440 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
441 | sparedisks, optarg); |
442 | exit(2); | |
443 | } | |
98c6faba | 444 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 445 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
446 | level); |
447 | exit(2); | |
448 | } | |
449 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 450 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 451 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
452 | optarg); |
453 | exit(2); | |
454 | } | |
455 | continue; | |
dd0781e5 NB |
456 | |
457 | case O(CREATE,'a'): | |
458 | case O(BUILD,'a'): | |
459 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ | |
460 | if (optarg == NULL) | |
8d80900b | 461 | autof = -2; |
dd0781e5 NB |
462 | else if (strcasecmp(optarg,"no")==0) |
463 | autof = 0; | |
8d80900b NB |
464 | else if (strcasecmp(optarg,"yes")==0) |
465 | autof = -2; | |
466 | else if (strcasecmp(optarg,"md")==0) | |
dd0781e5 NB |
467 | autof = -1; |
468 | else { | |
469 | /* There might be digits, and maybe a hypen, at the end */ | |
470 | char *e = optarg + strlen(optarg); | |
471 | int num = 4; | |
472 | int len; | |
473 | while (e > optarg && isdigit(e[-1])) | |
474 | e--; | |
475 | if (*e) { | |
476 | num = atoi(e); | |
477 | if (num <= 0) num = 1; | |
478 | } | |
479 | if (e > optarg && e[-1] == '-') | |
480 | e--; | |
481 | len = e - optarg; | |
482 | if ((len == 3 && strncasecmp(optarg,"mdp",3)==0) || | |
483 | (len == 1 && strncasecmp(optarg,"p",1)==0) || | |
484 | (len >= 4 && strncasecmp(optarg,"part",4)==0)) | |
485 | autof = num; | |
486 | else { | |
487 | fprintf(stderr, Name ": --auto flag arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n" | |
488 | " optionally followed by a number.\n", | |
489 | optarg); | |
490 | exit(2); | |
491 | } | |
492 | } | |
493 | continue; | |
494 | ||
aa88f531 | 495 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
e0d19036 NB |
496 | case O(CREATE,'f'): /* force honouring of device list */ |
497 | case O(ASSEMBLE,'f'): /* force assembly */ | |
498 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
499 | force=1; |
500 | continue; | |
501 | ||
502 | /* now for the Assemble options */ | |
e0d19036 | 503 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 504 | if (ident.uuid_set) { |
cd29a5c8 | 505 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
506 | "Second value %s.\n", optarg); |
507 | exit(2); | |
508 | } | |
509 | if (parse_uuid(optarg, ident.uuid)) | |
510 | ident.uuid_set = 1; | |
511 | else { | |
512 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
513 | exit(2); | |
514 | } | |
515 | continue; | |
516 | ||
e0d19036 | 517 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 518 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
519 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
520 | "Second value: %s.\n", optarg); | |
521 | exit(2); | |
522 | } | |
d013a55e NB |
523 | if (strcmp(optarg, "dev")==0) |
524 | ident.super_minor = -2; | |
525 | else { | |
526 | ident.super_minor = strtoul(optarg, &cp, 10); | |
527 | if (!optarg[0] || *cp) { | |
528 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
529 | exit(2); | |
530 | } | |
cd29a5c8 NB |
531 | } |
532 | continue; | |
533 | ||
5787fa49 NB |
534 | case O(ASSEMBLE,'U'): /* update the superblock */ |
535 | if (update) { | |
536 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
537 | update, optarg); | |
538 | exit(2); | |
539 | } | |
540 | update = optarg; | |
e5329c37 NB |
541 | if (strcmp(update, "sparc2.2")==0) |
542 | continue; | |
5787fa49 NB |
543 | if (strcmp(update, "super-minor") == 0) |
544 | continue; | |
feb716e9 NB |
545 | if (strcmp(update, "summaries")==0) |
546 | continue; | |
e5329c37 NB |
547 | if (strcmp(update, "resync")==0) |
548 | continue; | |
549 | fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'resync' or 'summaries' supported\n",update); | |
5787fa49 NB |
550 | exit(2); |
551 | ||
e0d19036 | 552 | case O(ASSEMBLE,'c'): /* config file */ |
2d465520 | 553 | case O(MISC, 'c'): |
e0d19036 | 554 | case O(MONITOR,'c'): |
52826846 NB |
555 | if (configfile) { |
556 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
557 | "Second value is %s.\n", optarg); | |
558 | exit(2); | |
559 | } | |
560 | configfile = optarg; | |
561 | /* FIXME possibly check that config file exists. Even parse it */ | |
562 | continue; | |
e0d19036 NB |
563 | case O(ASSEMBLE,'s'): /* scan */ |
564 | case O(MISC,'s'): | |
565 | case O(MONITOR,'s'): | |
52826846 NB |
566 | scan = 1; |
567 | continue; | |
568 | ||
e0d19036 | 569 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
570 | if (mailaddr) |
571 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
572 | optarg); | |
573 | else | |
574 | mailaddr = optarg; | |
575 | continue; | |
576 | ||
e0d19036 | 577 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
578 | if (program) |
579 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
580 | optarg); | |
581 | else | |
582 | program = optarg; | |
583 | continue; | |
64c4757e | 584 | |
e0d19036 | 585 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 586 | case O(GROW, 'd'): |
c82f047c NB |
587 | case O(BUILD,'d'): /* delay for bitmap updates */ |
588 | case O(CREATE,'d'): | |
52826846 NB |
589 | if (delay) |
590 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
591 | optarg); | |
592 | else { | |
593 | delay = strtol(optarg, &c, 10); | |
594 | if (!optarg[0] || *c || delay<1) { | |
595 | fprintf(stderr, Name ": invalid delay: %s\n", | |
596 | optarg); | |
597 | exit(2); | |
598 | } | |
599 | } | |
600 | continue; | |
d013a55e NB |
601 | case O(MONITOR,'f'): /* daemonise */ |
602 | daemonise = 1; | |
603 | continue; | |
b5e64645 NB |
604 | case O(MONITOR,'i'): /* pid */ |
605 | if (pidfile) | |
606 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
607 | optarg); | |
608 | else | |
609 | pidfile = optarg; | |
610 | continue; | |
aa88f531 NB |
611 | case O(MONITOR,'1'): /* oneshot */ |
612 | oneshot = 1; | |
613 | continue; | |
98c6faba NB |
614 | case O(MONITOR,'t'): /* test */ |
615 | test = 1; | |
616 | continue; | |
52826846 NB |
617 | |
618 | /* now the general management options. Some are applicable | |
619 | * to other modes. None have arguments. | |
620 | */ | |
e5329c37 | 621 | case O(GROW,'a'): |
dd0781e5 | 622 | case O(MANAGE,'a'): /* add a drive */ |
52826846 NB |
623 | devmode = 'a'; |
624 | continue; | |
e0d19036 | 625 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
626 | devmode = 'r'; |
627 | continue; | |
e0d19036 | 628 | case O(MANAGE,'f'): /* set faulty */ |
52826846 NB |
629 | devmode = 'f'; |
630 | continue; | |
e0d19036 NB |
631 | case O(MANAGE,'R'): |
632 | case O(ASSEMBLE,'R'): | |
633 | case O(BUILD,'R'): | |
634 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
635 | if (runstop < 0) { |
636 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
637 | exit(2); | |
638 | } | |
639 | runstop = 1; | |
640 | continue; | |
e0d19036 | 641 | case O(MANAGE,'S'): |
52826846 NB |
642 | if (runstop > 0) { |
643 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
644 | exit(2); | |
645 | } | |
646 | runstop = -1; | |
647 | continue; | |
648 | ||
e0d19036 | 649 | case O(MANAGE,'o'): |
52826846 NB |
650 | if (readonly < 0) { |
651 | fprintf(stderr, Name ": Cannot have both readonly and readwrite\n"); | |
652 | exit(2); | |
653 | } | |
654 | readonly = 1; | |
655 | continue; | |
e0d19036 | 656 | case O(MANAGE,'w'): |
52826846 | 657 | if (readonly > 0) { |
e0d19036 | 658 | fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n"); |
52826846 NB |
659 | exit(2); |
660 | } | |
661 | readonly = -1; | |
662 | continue; | |
e0d19036 NB |
663 | |
664 | case O(MISC,'Q'): | |
665 | case O(MISC,'D'): | |
666 | case O(MISC,'E'): | |
667 | case O(MISC,'K'): | |
668 | case O(MISC,'R'): | |
669 | case O(MISC,'S'): | |
c82f047c | 670 | case O(MISC,'X'): |
e0d19036 NB |
671 | case O(MISC,'o'): |
672 | case O(MISC,'w'): | |
673 | if (devmode && devmode != opt && | |
674 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
675 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
676 | devmode =='E'?opt:devmode); | |
677 | exit(2); | |
678 | } | |
679 | devmode = opt; | |
680 | continue; | |
feb716e9 NB |
681 | case O(MISC,'t'): |
682 | test = 1; | |
683 | continue; | |
e0d19036 | 684 | |
bd526cee NB |
685 | case O(MISC, 22): |
686 | if (devmode != 'E') { | |
687 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
688 | exit(2); | |
689 | } | |
690 | SparcAdjust = 1; | |
691 | continue; | |
c82f047c NB |
692 | |
693 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
694 | if (!optarg) { | |
695 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
696 | exit(2); | |
697 | } | |
55935d51 NB |
698 | if (strcmp(optarg, "internal")==0) { |
699 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
700 | continue; | |
701 | } | |
c82f047c NB |
702 | bitmap_fd = open(optarg, O_RDWR); |
703 | if (!*optarg || bitmap_fd < 0) { | |
704 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
705 | exit(2); | |
706 | } | |
707 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
708 | continue; | |
f5e166fe NB |
709 | |
710 | case O(GROW,'b'): | |
c82f047c NB |
711 | case O(BUILD,'b'): |
712 | case O(CREATE,'b'): /* here we create the bitmap */ | |
713 | bitmap_file = optarg; | |
714 | continue; | |
715 | ||
f5e166fe | 716 | case O(GROW,4): |
c82f047c NB |
717 | case O(BUILD,4): |
718 | case O(CREATE,4): /* bitmap chunksize */ | |
719 | bitmap_chunk = strtol(optarg, &c, 10); | |
720 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
721 | bitmap_chunk & (bitmap_chunk - 1)) { | |
722 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
723 | optarg); | |
724 | exit(2); | |
725 | } | |
726 | /* convert K to B, chunk of 0K means 512B */ | |
727 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
728 | continue; | |
52826846 NB |
729 | } |
730 | /* We have now processed all the valid options. Anything else is | |
731 | * an error | |
732 | */ | |
e0d19036 NB |
733 | fprintf(stderr, Name ": option %c not valid in %s mode\n", |
734 | opt, map_num(modes, mode)); | |
64c4757e | 735 | exit(2); |
52826846 NB |
736 | |
737 | } | |
738 | ||
0320ea45 NB |
739 | if (!mode && devs_found) { |
740 | mode = MISC; | |
741 | devmode = 'Q'; | |
742 | if (devlist->disposition == 0) | |
743 | devlist->disposition = devmode; | |
744 | } | |
52826846 NB |
745 | if (!mode) { |
746 | fputs(Usage, stderr); | |
64c4757e | 747 | exit(2); |
64c4757e | 748 | } |
52826846 NB |
749 | /* Ok, got the option parsing out of the way |
750 | * hopefully it's mostly right but there might be some stuff | |
751 | * missing | |
752 | * | |
e0d19036 | 753 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
754 | * |
755 | * For @,B,C and A without -s, the first device listed must be an md device | |
756 | * we check that here and open it. | |
64c4757e | 757 | */ |
52826846 | 758 | |
dd0781e5 NB |
759 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
760 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
761 | if (devs_found < 1) { |
762 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
763 | exit(2); | |
764 | } | |
dd0781e5 NB |
765 | if ((int)ident.super_minor == -2 && autof) { |
766 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); | |
767 | exit(2); | |
768 | } | |
769 | mdfd = open_mddev(devlist->devname, autof); | |
52826846 NB |
770 | if (mdfd < 0) |
771 | exit(1); | |
98c6faba | 772 | if ((int)ident.super_minor == -2) { |
d013a55e NB |
773 | struct stat stb; |
774 | fstat(mdfd, &stb); | |
0df46c2a | 775 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 776 | } |
64c4757e | 777 | } |
52826846 | 778 | |
e4c4352e NB |
779 | if (raiddisks) { |
780 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
781 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
782 | raiddisks); | |
e4c4352e NB |
783 | exit(2); |
784 | } | |
785 | if (raiddisks == 1 && !force && level != -5) { | |
786 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
787 | " a mistake. If you really mean it you will need to specify --force before\n" | |
788 | " setting the number of drives.\n"); | |
789 | exit(2); | |
790 | } | |
791 | } | |
792 | if (sparedisks) { | |
793 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
794 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
795 | sparedisks); | |
e4c4352e NB |
796 | exit(2); |
797 | } | |
798 | } | |
c82f047c | 799 | |
52826846 NB |
800 | rv = 0; |
801 | switch(mode) { | |
e0d19036 | 802 | case MANAGE: |
52826846 NB |
803 | /* readonly, add/remove, readwrite, runstop */ |
804 | if (readonly>0) | |
cd29a5c8 | 805 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 806 | if (!rv && devs_found>1) |
cd29a5c8 NB |
807 | rv = Manage_subdevs(devlist->devname, mdfd, |
808 | devlist->next); | |
52826846 | 809 | if (!rv && readonly < 0) |
cd29a5c8 | 810 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 811 | if (!rv && runstop) |
cd29a5c8 | 812 | rv = Manage_runstop(devlist->devname, mdfd, runstop); |
52826846 | 813 | break; |
e0d19036 | 814 | case ASSEMBLE: |
d013a55e | 815 | if (devs_found == 1 && ident.uuid_set == 0 && |
98c6faba | 816 | ident.super_minor == UnSet && !scan ) { |
d013a55e NB |
817 | /* Only a device has been given, so get details from config file */ |
818 | mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname); | |
b5e64645 NB |
819 | if (array_ident == NULL) { |
820 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
821 | devlist->devname); | |
d013a55e | 822 | rv |= 1; |
b5e64645 NB |
823 | } else { |
824 | mdfd = open_mddev(devlist->devname, array_ident->autof); | |
825 | if (mdfd < 0) | |
d013a55e | 826 | rv |= 1; |
b5e64645 | 827 | else { |
f9ce90ba | 828 | rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile, |
d013a55e NB |
829 | NULL, |
830 | readonly, runstop, update, verbose, force); | |
b5e64645 NB |
831 | close(mdfd); |
832 | } | |
d013a55e NB |
833 | } |
834 | } else if (!scan) | |
f9ce90ba | 835 | rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile, |
cd29a5c8 | 836 | devlist->next, |
5787fa49 NB |
837 | readonly, runstop, update, verbose, force); |
838 | else if (devs_found>0) { | |
839 | if (update && devs_found > 1) { | |
840 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
841 | exit(1); | |
842 | } | |
cd29a5c8 NB |
843 | for (dv = devlist ; dv ; dv=dv->next) { |
844 | mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname); | |
52826846 NB |
845 | if (array_ident == NULL) { |
846 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 847 | dv->devname); |
52826846 NB |
848 | rv |= 1; |
849 | continue; | |
850 | } | |
b5e64645 NB |
851 | mdfd = open_mddev(dv->devname, array_ident->autof); |
852 | if (mdfd < 0) { | |
853 | rv |= 1; | |
854 | continue; | |
855 | } | |
f9ce90ba | 856 | rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile, |
cd29a5c8 | 857 | NULL, |
5787fa49 | 858 | readonly, runstop, update, verbose, force); |
b5e64645 | 859 | close(mdfd); |
52826846 | 860 | } |
5787fa49 | 861 | } else { |
52826846 NB |
862 | mddev_ident_t array_list = conf_get_ident(configfile, NULL); |
863 | if (!array_list) { | |
864 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
865 | rv = 1; | |
866 | } else | |
867 | for (; array_list; array_list = array_list->next) { | |
cd29a5c8 | 868 | mdu_array_info_t array; |
dd0781e5 | 869 | mdfd = open_mddev(array_list->devname, array_list->autof); |
52826846 NB |
870 | if (mdfd < 0) { |
871 | rv |= 1; | |
872 | continue; | |
873 | } | |
cd29a5c8 NB |
874 | if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) |
875 | /* already assembled, skip */ | |
43fc1676 NB |
876 | ; |
877 | else | |
f9ce90ba | 878 | rv |= Assemble(ss, array_list->devname, mdfd, |
43fc1676 NB |
879 | array_list, configfile, |
880 | NULL, | |
881 | readonly, runstop, NULL, verbose, force); | |
882 | close(mdfd); | |
52826846 NB |
883 | } |
884 | } | |
885 | break; | |
e0d19036 | 886 | case BUILD: |
c82f047c NB |
887 | if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK; |
888 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
889 | if (bitmap_file) { | |
55935d51 NB |
890 | if (strcmp(bitmap_file, "internal")==0) { |
891 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
892 | rv |= 1; | |
893 | break; | |
894 | } | |
c82f047c NB |
895 | bitmap_fd = open(bitmap_file, O_RDWR,0); |
896 | if (bitmap_fd < 0 && errno != ENOENT) { | |
897 | perror(Name ": cannot create bitmap file"); | |
898 | rv |= 1; | |
899 | break; | |
900 | } | |
901 | if (bitmap_fd < 0) { | |
902 | bitmap_fd = CreateBitmap(bitmap_file, force, NULL, | |
903 | bitmap_chunk, delay, size); | |
904 | } | |
905 | } | |
906 | rv = Build(devlist->devname, mdfd, chunk, level, layout, | |
907 | raiddisks, devlist->next, assume_clean, | |
908 | bitmap_file, bitmap_chunk, delay); | |
52826846 | 909 | break; |
e0d19036 | 910 | case CREATE: |
c82f047c | 911 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
f9ce90ba | 912 | if (ss == NULL) { |
82d9eba6 NB |
913 | for(i=0; !ss && superlist[i]; i++) |
914 | ss = superlist[i]->match_metadata_desc("default"); | |
f9ce90ba NB |
915 | } |
916 | if (!ss) { | |
917 | fprintf(stderr, Name ": internal error - no default metadata style\n"); | |
918 | exit(2); | |
919 | } | |
920 | ||
921 | rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, | |
52826846 | 922 | raiddisks, sparedisks, |
c82f047c NB |
923 | devs_found-1, devlist->next, runstop, verbose, force, |
924 | bitmap_file, bitmap_chunk, delay); | |
52826846 | 925 | break; |
e0d19036 NB |
926 | case MISC: |
927 | ||
928 | if (devmode == 'E') { | |
929 | if (devlist == NULL && !scan) { | |
930 | fprintf(stderr, Name ": No devices to examine\n"); | |
931 | exit(2); | |
932 | } | |
933 | if (devlist == NULL) | |
934 | devlist = conf_get_devs(configfile); | |
935 | if (devlist == NULL) { | |
c913b90e | 936 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
937 | exit(1); |
938 | } | |
82d9eba6 | 939 | rv = Examine(devlist, scan?!verbose:brief, scan, SparcAdjust, ss); |
e0d19036 NB |
940 | } else { |
941 | if (devlist == NULL) { | |
942 | if ((devmode == 'S' ||devmode=='D') && scan) { | |
943 | /* apply to all devices in /proc/mdstat */ | |
dd0781e5 | 944 | struct mdstat_ent *ms = mdstat_read(0); |
e0d19036 | 945 | struct mdstat_ent *e; |
d17c1f8c NB |
946 | if (devmode == 'S') { |
947 | /* reverse order so that arrays made of arrays are stopped properly */ | |
948 | struct mdstat_ent *sm = NULL; | |
949 | while ((e=ms) != NULL) { | |
950 | ms = e->next; | |
951 | e->next = sm; | |
952 | sm = e; | |
953 | } | |
954 | ms = sm; | |
955 | } | |
e0d19036 NB |
956 | for (e=ms ; e ; e=e->next) { |
957 | char *name = get_md_name(e->devnum); | |
958 | ||
959 | if (!name) { | |
960 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
961 | e->dev); | |
962 | continue; | |
963 | } | |
964 | if (devmode == 'D') | |
feb716e9 | 965 | rv |= Detail(name, !verbose, test); |
e0d19036 | 966 | else if (devmode=='S') { |
dd0781e5 | 967 | mdfd = open_mddev(name, 0); |
43fc1676 | 968 | if (mdfd >= 0) { |
e0d19036 | 969 | rv |= Manage_runstop(name, mdfd, -1); |
43fc1676 NB |
970 | close(mdfd); |
971 | } | |
e0d19036 NB |
972 | } |
973 | put_md_name(name); | |
974 | } | |
975 | } else { | |
976 | fprintf(stderr, Name ": No devices given.\n"); | |
977 | exit(2); | |
978 | } | |
979 | } | |
980 | for (dv=devlist ; dv; dv=dv->next) { | |
981 | switch(dv->disposition) { | |
982 | case 'D': | |
feb716e9 | 983 | rv |= Detail(dv->devname, brief, test); continue; |
e0d19036 NB |
984 | case 'K': /* Zero superblock */ |
985 | rv |= Kill(dv->devname, force); continue; | |
986 | case 'Q': | |
987 | rv |= Query(dv->devname); continue; | |
c82f047c | 988 | case 'X': |
55935d51 | 989 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
e0d19036 | 990 | } |
dd0781e5 | 991 | mdfd = open_mddev(dv->devname, 0); |
43fc1676 | 992 | if (mdfd>=0) { |
e0d19036 NB |
993 | switch(dv->disposition) { |
994 | case 'R': | |
995 | rv |= Manage_runstop(dv->devname, mdfd, 1); break; | |
996 | case 'S': | |
997 | rv |= Manage_runstop(dv->devname, mdfd, -1); break; | |
998 | case 'o': | |
999 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1000 | case 'w': | |
1001 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1002 | } | |
43fc1676 NB |
1003 | close(mdfd); |
1004 | } | |
e0d19036 | 1005 | } |
cd29a5c8 | 1006 | } |
9a9dab36 | 1007 | break; |
e0d19036 | 1008 | case MONITOR: |
e0d19036 NB |
1009 | if (!devlist && !scan) { |
1010 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1011 | rv = 1; | |
1012 | break; | |
1013 | } | |
b5e64645 NB |
1014 | if (pidfile && !daemonise) { |
1015 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1016 | rv = 1; | |
1017 | break; | |
1018 | } | |
d013a55e | 1019 | rv= Monitor(devlist, mailaddr, program, |
b5e64645 | 1020 | delay?delay:60, daemonise, scan, oneshot, configfile, test, pidfile); |
9a9dab36 | 1021 | break; |
dd0781e5 NB |
1022 | |
1023 | case GROW: | |
1024 | if (devs_found > 1) { | |
e5329c37 NB |
1025 | |
1026 | /* must be '-a'. */ | |
1027 | if (size >= 0 || raiddisks) { | |
1028 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
1029 | rv = 1; | |
1030 | break; | |
1031 | } | |
1032 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1033 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1034 | if (rv) | |
1035 | break; | |
1036 | } | |
f5e166fe NB |
1037 | } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) { |
1038 | fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n"); | |
dd0781e5 NB |
1039 | rv = 1; |
1040 | break; | |
b5e64645 NB |
1041 | } else if (layout != UnSet) |
1042 | rv = Manage_reconfig(devlist->devname, mdfd, layout); | |
1043 | else if (size >= 0 || raiddisks) | |
e5329c37 | 1044 | rv = Manage_resize(devlist->devname, mdfd, size, raiddisks); |
f5e166fe NB |
1045 | else if (bitmap_file) { |
1046 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
1047 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, | |
1048 | bitmap_chunk, delay); | |
1049 | } else | |
b5e64645 | 1050 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1051 | break; |
64c4757e | 1052 | } |
52826846 | 1053 | exit(rv); |
64c4757e | 1054 | } |