int chunk = 0;
long long size = -1;
+ long long array_size = -1;
int level = UnSet;
int layout = UnSet;
+ char *layout_str = NULL;
int raiddisks = 0;
int max_disks = MD_SB_DISKS; /* just a default */
int sparedisks = 0;
int require_homehost = 1;
char *mailaddr = NULL;
char *program = NULL;
+ int increments = 20;
int delay = 0;
int daemonise = 0;
char *pidfile = NULL;
int rebuild_map = 0;
int auto_update_home = 0;
- int copies;
int print_help = 0;
FILE *outf;
* could depend on the mode */
#define O(a,b) ((a<<8)|b)
switch (O(mode,opt)) {
+ case O(GROW,'c'):
case O(CREATE,'c'):
case O(BUILD,'c'): /* chunk or rounding */
if (chunk) {
if (strcmp(optarg, "max")==0)
size = 0;
else {
- size = strtoll(optarg, &c, 10);
- if (!optarg[0] || *c || size < 4) {
+ size = parse_size(optarg);
+ if (size < 8) {
fprintf(stderr, Name ": invalid size: %s\n",
optarg);
exit(2);
}
+ /* convert sectors to K */
+ size /= 2;
}
continue;
- case O(GROW,'l'): /* hack - needed to understand layout */
+ case O(GROW,'Z'): /* array size */
+ if (array_size >= 0) {
+ fprintf(stderr, Name ": array-size may only be specified once. "
+ "Second value is %s.\n", optarg);
+ exit(2);
+ }
+ if (strcmp(optarg, "max") == 0)
+ array_size = 0;
+ else {
+ array_size = parse_size(optarg);
+ if (array_size <= 0) {
+ fprintf(stderr, Name ": invalid array size: %s\n",
+ optarg);
+ exit(2);
+ }
+ }
+ continue;
+
+ case O(GROW,'l'):
case O(CREATE,'l'):
case O(BUILD,'l'): /* set raid level*/
if (level != UnSet) {
ident.level = level;
continue;
+ case O(GROW, 'p'): /* new layout */
+ if (layout_str) {
+ fprintf(stderr,Name ": layout may only be sent once. "
+ "Second value was %s\n", optarg);
+ exit(2);
+ }
+ layout_str = optarg;
+ /* 'Grow' will parse the value */
+ continue;
+
case O(CREATE,'p'): /* raid5 layout */
case O(BUILD,'p'): /* faulty layout */
- case O(GROW, 'p'): /* faulty reconfig */
if (layout != UnSet) {
fprintf(stderr,Name ": layout may only be sent once. "
"Second value was %s\n", optarg);
break;
case 10:
- /* 'f', 'o' or 'n' followed by a number <= raid_disks */
- if ((optarg[0] != 'n' && optarg[0] != 'f' && optarg[0] != 'o') ||
- (copies = strtoul(optarg+1, &cp, 10)) < 1 ||
- copies > 200 ||
- *cp) {
+ layout = parse_layout_10(optarg);
+ if (layout < 0) {
fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg);
exit(2);
}
- if (optarg[0] == 'n')
- layout = 256 + copies;
- else if (optarg[0] == 'o')
- layout = 0x10000 + (copies<<8) + 1;
- else
- layout = 1 + (copies<<8);
break;
- case -5: /* Faulty
- * modeNNN
- */
-
- {
- int ln = strcspn(optarg, "0123456789");
- char *m = strdup(optarg);
- int mode;
- m[ln] = 0;
- mode = map_name(faultylayout, m);
- if (mode == UnSet) {
+ case LEVEL_FAULTY:
+ /* Faulty
+ * modeNNN
+ */
+ layout = parse_layout_faulty(optarg);
+ if (layout == -1) {
fprintf(stderr, Name ": layout %s not understood for faulty.\n",
optarg);
exit(2);
}
- layout = mode | (atoi(optarg+ln)<< ModeShift);
- }
+ break;
}
continue;
program = optarg;
continue;
+ case O(MONITOR,'r'): /* rebuild increments */
+ increments = atoi(optarg);
+ if (increments>99 || increments<1) {
+ fprintf(stderr, Name ": please specify positive integer between 1 and 99 as rebuild increments.\n");
+ exit(2);
+ }
+ continue;
+
case O(MONITOR,'d'): /* delay in seconds */
case O(GROW, 'd'):
case O(BUILD,'d'): /* delay for bitmap updates */
struct mdstat_ent *ms = mdstat_read(0, 1);
struct mdstat_ent *e;
struct map_ent *map = NULL;
+ int members;
int v = verbose>1?0:verbose+1;
+ for (members = 0; members <= 1; members++) {
for (e=ms ; e ; e=e->next) {
char *name;
struct map_ent *me;
+ int member = e->metadata_version &&
+ strncmp(e->metadata_version,
+ "external:/", 10) == 0;
+ if (members != member)
+ continue;
me = map_by_devnum(&map, e->devnum);
if (me && me->path
&& strcmp(me->path, "/unknown") != 0)
export, test,
homehost);
else
- rv |= WaitClean(name, v);
+ rv |= WaitClean(name, -1, v);
put_md_name(name);
}
+ }
free_mdstat(ms);
} else if (devmode == 'S' && scan) {
/* apply --stop to all devices in /proc/mdstat */
export, test, homehost);
continue;
case 'K': /* Zero superblock */
- rv |= Kill(dv->devname, force, quiet,0);
+ if (ss)
+ rv |= Kill(dv->devname, ss, force, quiet,0);
+ else {
+ int q = quiet;
+ do {
+ rv |= Kill(dv->devname, NULL, force, q, 0);
+ q = 1;
+ } while ((rv & 2) == 0);
+ rv &= ~2;
+ }
continue;
case 'Q':
rv |= Query(dv->devname); continue;
case 'W':
rv |= Wait(dv->devname); continue;
case Waitclean:
- rv |= WaitClean(dv->devname, verbose-quiet); continue;
+ rv |= WaitClean(dv->devname, -1, verbose-quiet); continue;
}
mdfd = open_mddev(dv->devname, 1);
if (mdfd>=0) {
}
rv= Monitor(devlist, mailaddr, program,
delay?delay:60, daemonise, scan, oneshot,
- dosyslog, test, pidfile);
+ dosyslog, test, pidfile, increments);
break;
case GROW:
+ if (array_size >= 0) {
+ /* alway impose array size first, independent of
+ * anything else
+ * Do not allow level or raid_disks changes at the
+ * same time as that can be irreversibly destructive.
+ */
+ struct mdinfo sra;
+ int err;
+ if (raiddisks || level != UnSet) {
+ fprintf(stderr, Name ": cannot change array size in same operation "
+ "as changing raiddisks or level.\n"
+ " Change size first, then check that data is still intact.\n");
+ rv = 1;
+ break;
+ }
+ sysfs_init(&sra, mdfd, 0);
+ if (array_size == 0)
+ err = sysfs_set_str(&sra, NULL, "array_size", "default");
+ else
+ err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2);
+ if (err < 0) {
+ if (errno == E2BIG)
+ fprintf(stderr, Name ": --array-size setting"
+ " is too large.\n");
+ else
+ fprintf(stderr, Name ": current kernel does"
+ " not support setting --array-size\n");
+ rv = 1;
+ break;
+ }
+ }
if (devs_found > 1) {
/* must be '-a'. */
- if (size >= 0 || raiddisks) {
- fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n");
+ if (size >= 0 || raiddisks || chunk || layout_str != NULL || bitmap_file) {
+ fprintf(stderr, Name ": --add cannot be used with other geometry changes in --grow mode\n");
rv = 1;
break;
}
if (rv)
break;
}
- } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) {
- fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n");
- rv = 1;
- break;
- } else if (layout != UnSet)
- rv = Manage_reconfig(devlist->devname, mdfd, layout);
- else if (size >= 0 || raiddisks)
- rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file,
- size, level, layout, chunk, raiddisks);
- else if (bitmap_file) {
- if (delay == 0) delay = DEFAULT_BITMAP_DELAY;
+ } else if (bitmap_file) {
+ if (size >= 0 || raiddisks || chunk || layout_str != NULL) {
+ fprintf(stderr, Name ": --bitmap changes cannot be used with other geometry changes in --grow mode\n");
+ rv = 1;
+ break;
+ }
+ if (delay == 0)
+ delay = DEFAULT_BITMAP_DELAY;
rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file,
bitmap_chunk, delay, write_behind, force);
- } else
+ } else if (size >= 0 || raiddisks != 0 || layout_str != NULL
+ || chunk != 0 || level != UnSet) {
+ rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file,
+ size, level, layout_str, chunk, raiddisks);
+ } else if (array_size < 0)
fprintf(stderr, Name ": no changes to --grow\n");
break;
case INCREMENTAL:
projects / thirdparty / mdadm.git / blobdiff