int i;
unsigned long long array_size = 0;
- unsigned long long data_offset = INVALID_SECTORS;
struct mddev_ident ident;
char *configfile = NULL;
int devmode = 0;
struct mddev_dev *dv;
mdu_array_info_t array;
int devs_found = 0;
- char *symlinks = NULL;
int grow_continue = 0;
/* autof indicates whether and how to create device node.
* bottom 3 bits are style. Rest (when shifted) are number of parts
.layout = UnSet,
.bitmap_chunk = UnSet,
.consistency_policy = CONSISTENCY_POLICY_UNKNOWN,
+ .data_offset = INVALID_SECTORS,
};
char sys_hostname[256];
char *dump_directory = NULL;
int print_help = 0;
- FILE *outf;
+ FILE *outf = NULL;
int mdfd = -1;
int locked = 0;
srandom(time(0) ^ getpid());
- ident.uuid_set = 0;
- ident.level = UnSet;
- ident.raid_disks = UnSet;
- ident.super_minor = UnSet;
- ident.devices = 0;
- ident.spare_group = NULL;
- ident.autof = 0;
- ident.st = NULL;
- ident.bitmap_fd = -1;
- ident.bitmap_file = NULL;
- ident.name[0] = 0;
- ident.container = NULL;
- ident.member = NULL;
-
- if (get_linux_version() < 2006015) {
- pr_err("This version of mdadm does not support kernels older than 2.6.15\n");
+ if (get_linux_version() < 2006032) {
+ pr_err("This version of mdadm does not support kernels older than 2.6.32\n");
exit(1);
}
+ ident_init(&ident);
+
while ((option_index = -1),
(opt = getopt_long(argc, argv, shortopt, long_options,
&option_index)) != -1) {
c.brief = 1;
continue;
+ case NoDevices:
+ c.no_devices = 1;
+ continue;
+
case 'Y': c.export++;
continue;
case HomeHost:
- if (strcasecmp(optarg, "<ignore>") == 0)
+ if (is_devname_ignore(optarg) == true)
c.require_homehost = 0;
else
c.homehost = optarg;
shortopt = short_bitmap_auto_options;
break;
case 'F': newmode = MONITOR;
+ shortopt = short_monitor_options;
break;
case 'G': newmode = GROW;
shortopt = short_bitmap_options;
else
fprintf(stderr, "-%c", opt);
fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n",
- map_num(modes, newmode),
- map_num(modes, mode));
+ map_num_s(modes, newmode),
+ map_num_s(modes, mode));
exit(2);
} else if (!mode && newmode) {
mode = newmode;
case O(CREATE,DataOffset):
case O(GROW,DataOffset):
- if (data_offset != INVALID_SECTORS) {
+ if (s.data_offset != INVALID_SECTORS) {
pr_err("data-offset may only be specified one. Second value is %s.\n", optarg);
exit(2);
}
if (mode == CREATE && strcmp(optarg, "variable") == 0)
- data_offset = VARIABLE_OFFSET;
+ s.data_offset = VARIABLE_OFFSET;
else
- data_offset = parse_size(optarg);
- if (data_offset == INVALID_SECTORS) {
+ s.data_offset = parse_size(optarg);
+ if (s.data_offset == INVALID_SECTORS) {
pr_err("invalid data-offset: %s\n",
optarg);
exit(2);
switch(s.level) {
default:
pr_err("layout not meaningful for %s arrays.\n",
- map_num(pers, s.level));
+ map_num_s(pers, s.level));
exit(2);
case UnSet:
pr_err("raid level must be given before layout.\n");
exit(2);
+ case 0:
+ s.layout = map_name(r0layout, optarg);
+ if (s.layout == UnSet) {
+ pr_err("layout %s not understood for raid0.\n",
+ optarg);
+ exit(2);
+ }
+ break;
case 5:
s.layout = map_name(r5layout, optarg);
if (s.layout == UnSet) {
s.assume_clean = 1;
continue;
+ case O(CREATE, WriteZeroes):
+ s.write_zeroes = 1;
+ continue;
+
case O(GROW,'n'):
case O(CREATE,'n'):
case O(BUILD,'n'): /* number of raid disks */
s.raiddisks, optarg);
exit(2);
}
- s.raiddisks = parse_num(optarg);
- if (s.raiddisks <= 0) {
+ if (parse_num(&s.raiddisks, optarg) != 0 || s.raiddisks <= 0) {
pr_err("invalid number of raid devices: %s\n",
optarg);
exit(2);
case O(ASSEMBLE, Nodes):
case O(GROW, Nodes):
case O(CREATE, Nodes):
- c.nodes = parse_num(optarg);
- if (c.nodes < 2) {
+ if (parse_num(&c.nodes, optarg) != 0 || c.nodes < 2) {
pr_err("clustered array needs two nodes at least: %s\n",
optarg);
exit(2);
s.level);
exit(2);
}
- s.sparedisks = parse_num(optarg);
- if (s.sparedisks < 0) {
+ if (parse_num(&s.sparedisks, optarg) != 0 || s.sparedisks < 0) {
pr_err("invalid number of spare-devices: %s\n",
optarg);
exit(2);
case O(ASSEMBLE,Auto): /* auto-creation of device node */
c.autof = parse_auto(optarg, "--auto flag", 0);
continue;
-
- case O(CREATE,Symlinks):
- case O(BUILD,Symlinks):
- case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */
- symlinks = optarg;
- continue;
-
case O(BUILD,'f'): /* force honouring '-n 1' */
case O(BUILD,Force): /* force honouring '-n 1' */
case O(GROW,'f'): /* ditto */
}
if (strcmp(optarg, "dev") == 0)
ident.super_minor = -2;
- else {
- ident.super_minor = parse_num(optarg);
- if (ident.super_minor < 0) {
- pr_err("Bad super-minor number: %s.\n", optarg);
- exit(2);
- }
+ else if (parse_num(&ident.super_minor, optarg) != 0 || ident.super_minor < 0) {
+ pr_err("Bad super-minor number: %s.\n", optarg);
+ exit(2);
}
continue;
continue;
case O(ASSEMBLE,'U'): /* update the superblock */
- case O(MISC,'U'):
+ case O(MISC,'U'): {
+ enum update_opt print_mode = UOPT_HELP;
+ const char *error_addon = "update option";
+
if (c.update) {
pr_err("Can only update one aspect of superblock, both %s and %s given.\n",
- c.update, optarg);
+ map_num(update_options, c.update), optarg);
exit(2);
}
if (mode == MISC && !c.subarray) {
pr_err("Only subarrays can be updated in misc mode\n");
exit(2);
}
- c.update = optarg;
- if (strcmp(c.update, "sparc2.2") == 0)
- continue;
- if (strcmp(c.update, "super-minor") == 0)
- continue;
- if (strcmp(c.update, "summaries") == 0)
- continue;
- if (strcmp(c.update, "resync") == 0)
- continue;
- if (strcmp(c.update, "uuid") == 0)
- continue;
- if (strcmp(c.update, "name") == 0)
- continue;
- if (strcmp(c.update, "homehost") == 0)
- continue;
- if (strcmp(c.update, "home-cluster") == 0)
- continue;
- if (strcmp(c.update, "nodes") == 0)
- continue;
- if (strcmp(c.update, "devicesize") == 0)
- continue;
- if (strcmp(c.update, "no-bitmap") == 0)
- continue;
- if (strcmp(c.update, "bbl") == 0)
- continue;
- if (strcmp(c.update, "no-bbl") == 0)
- continue;
- if (strcmp(c.update, "force-no-bbl") == 0)
- continue;
- if (strcmp(c.update, "ppl") == 0)
- continue;
- if (strcmp(c.update, "no-ppl") == 0)
- continue;
- if (strcmp(c.update, "metadata") == 0)
- continue;
- if (strcmp(c.update, "revert-reshape") == 0)
- continue;
- if (strcmp(c.update, "byteorder") == 0) {
+
+ c.update = map_name(update_options, optarg);
+
+ if (devmode == UpdateSubarray) {
+ print_mode = UOPT_SUBARRAY_ONLY;
+ error_addon = "update-subarray option";
+
+ if (c.update > UOPT_SUBARRAY_ONLY && c.update < UOPT_HELP)
+ c.update = UOPT_UNDEFINED;
+ }
+
+ switch (c.update) {
+ case UOPT_UNDEFINED:
+ pr_err("'--update=%s' is invalid %s. ",
+ optarg, error_addon);
+ outf = stderr;
+ case UOPT_HELP:
+ if (!outf)
+ outf = stdout;
+ fprint_update_options(outf, print_mode);
+ exit(outf == stdout ? 0 : 2);
+ case UOPT_BYTEORDER:
if (ss) {
pr_err("must not set metadata type with --update=byteorder.\n");
exit(2);
}
- for(i = 0; !ss && superlist[i]; i++)
- ss = superlist[i]->match_metadata_desc(
- "0.swap");
- if (!ss) {
- pr_err("INTERNAL ERROR cannot find 0.swap\n");
- exit(2);
- }
-
- continue;
+ default:
+ break;
}
- if (strcmp(c.update,"?") == 0 ||
- strcmp(c.update, "help") == 0) {
- outf = stdout;
- fprintf(outf, "%s: ", Name);
- } else {
- outf = stderr;
- fprintf(outf,
- "%s: '--update=%s' is invalid. ",
- Name, c.update);
- }
- fprintf(outf, "Valid --update options are:\n"
- " 'sparc2.2', 'super-minor', 'uuid', 'name', 'nodes', 'resync',\n"
- " 'summaries', 'homehost', 'home-cluster', 'byteorder', 'devicesize',\n"
- " 'no-bitmap', 'metadata', 'revert-reshape'\n"
- " 'bbl', 'no-bbl', 'force-no-bbl', 'ppl', 'no-ppl'\n"
- );
- exit(outf == stdout ? 0 : 2);
-
+ continue;
+ }
case O(MANAGE,'U'):
/* update=devicesize is allowed with --re-add */
if (devmode != 'A') {
}
if (c.update) {
pr_err("Can only update one aspect of superblock, both %s and %s given.\n",
- c.update, optarg);
+ map_num(update_options, c.update), optarg);
exit(2);
}
- c.update = optarg;
- if (strcmp(c.update, "devicesize") != 0 &&
- strcmp(c.update, "bbl") != 0 &&
- strcmp(c.update, "force-no-bbl") != 0 &&
- strcmp(c.update, "no-bbl") != 0) {
+ c.update = map_name(update_options, optarg);
+ if (c.update != UOPT_DEVICESIZE &&
+ c.update != UOPT_BBL &&
+ c.update != UOPT_NO_BBL &&
+ c.update != UOPT_FORCE_NO_BBL) {
pr_err("only 'devicesize', 'bbl', 'no-bbl', and 'force-no-bbl' can be updated with --re-add\n");
exit(2);
}
case O(MONITOR,'r'): /* rebuild increments */
case O(MONITOR,Increment):
- increments = atoi(optarg);
- if (increments > 99 || increments < 1) {
+ if (parse_num(&increments, optarg) != 0
+ || increments > 99 || increments < 1) {
pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n");
exit(2);
}
case O(BUILD,'d'): /* delay for bitmap updates */
case O(CREATE,'d'):
if (c.delay)
- pr_err("only specify delay once. %s ignored.\n",
- optarg);
- else {
- c.delay = parse_num(optarg);
- if (c.delay < 1) {
- pr_err("invalid delay: %s\n",
- optarg);
- exit(2);
- }
+ pr_err("only specify delay once. %s ignored.\n", optarg);
+ else if (parse_num(&c.delay, optarg) != 0 || c.delay < 1) {
+ pr_err("invalid delay: %s\n", optarg);
+ exit(2);
}
continue;
case O(MONITOR,'f'): /* daemonise */
case O(GROW, WriteBehind):
case O(BUILD, WriteBehind):
- case O(CREATE, WriteBehind): /* write-behind mode */
+ case O(CREATE, WriteBehind):
s.write_behind = DEFAULT_MAX_WRITE_BEHIND;
- if (optarg) {
- s.write_behind = parse_num(optarg);
- if (s.write_behind < 0 ||
- s.write_behind > 16383) {
- pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg);
- exit(2);
- }
+ if (optarg &&
+ (parse_num(&s.write_behind, optarg) != 0 ||
+ s.write_behind < 0 || s.write_behind > 16383)) {
+ pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n",
+ optarg);
+ exit(2);
}
continue;
-
case O(INCREMENTAL, 'r'):
case O(INCREMENTAL, RebuildMapOpt):
rebuild_map = 1;
if (option_index > 0)
pr_err(":option --%s not valid in %s mode\n",
long_options[option_index].name,
- map_num(modes, mode));
+ map_num_s(modes, mode));
else
pr_err("option -%c not valid in %s mode\n",
- opt, map_num(modes, mode));
+ opt, map_num_s(modes, mode));
exit(2);
}
if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN &&
s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) {
pr_err("--write-journal is not supported with consistency policy: %s\n",
- map_num(consistency_policies, s.consistency_policy));
+ map_num_s(consistency_policies, s.consistency_policy));
exit(2);
}
}
s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) {
if (s.level <= 0) {
pr_err("--consistency-policy not meaningful with level %s.\n",
- map_num(pers, s.level));
+ map_num_s(pers, s.level));
exit(2);
} else if (s.consistency_policy == CONSISTENCY_POLICY_JOURNAL &&
!s.journaldisks) {
pr_err("--write-journal is required for consistency policy: %s\n",
- map_num(consistency_policies, s.consistency_policy));
+ map_num_s(consistency_policies, s.consistency_policy));
exit(2);
} else if (s.consistency_policy == CONSISTENCY_POLICY_PPL &&
s.level != 5) {
(!s.bitmap_file ||
strcmp(s.bitmap_file, "none") == 0)) {
pr_err("--bitmap is required for consistency policy: %s\n",
- map_num(consistency_policies, s.consistency_policy));
+ map_num_s(consistency_policies, s.consistency_policy));
exit(2);
} else if (s.bitmap_file &&
strcmp(s.bitmap_file, "none") != 0 &&
s.consistency_policy != CONSISTENCY_POLICY_BITMAP &&
s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) {
pr_err("--bitmap is not compatible with consistency policy: %s\n",
- map_num(consistency_policies, s.consistency_policy));
+ map_num_s(consistency_policies, s.consistency_policy));
exit(2);
}
}
+ if (s.write_zeroes && !s.assume_clean) {
+ pr_info("Disk zeroing requested, setting --assume-clean to skip resync\n");
+ s.assume_clean = 1;
+ }
+
if (!mode && devs_found) {
mode = MISC;
devmode = 'Q';
exit(2);
}
- if (symlinks) {
- struct createinfo *ci = conf_get_create_info();
-
- if (strcasecmp(symlinks, "yes") == 0)
- ci->symlinks = 1;
- else if (strcasecmp(symlinks, "no") == 0)
- ci->symlinks = 0;
- else {
- pr_err("option --symlinks must be 'no' or 'yes'\n");
- exit(2);
- }
- }
/* Ok, got the option parsing out of the way
* hopefully it's mostly right but there might be some stuff
* missing
if (mode == MANAGE || mode == BUILD || mode == CREATE ||
mode == GROW || (mode == ASSEMBLE && ! c.scan)) {
+ struct stat stb;
+ int ret;
+
if (devs_found < 1) {
pr_err("an md device must be given in this mode\n");
exit(2);
mdfd = open_mddev(devlist->devname, 1);
if (mdfd < 0)
exit(1);
- } else
- /* non-existent device is OK */
- mdfd = open_mddev(devlist->devname, 0);
- if (mdfd == -2) {
- pr_err("device %s exists but is not an md array.\n", devlist->devname);
- exit(1);
- }
- if ((int)ident.super_minor == -2) {
- struct stat stb;
- if (mdfd < 0) {
+
+ ret = fstat(mdfd, &stb);
+ if (ret) {
+ pr_err("fstat failed on %s.\n", devlist->devname);
+ exit(1);
+ }
+ } else {
+ char *bname = basename(devlist->devname);
+
+ if (strlen(bname) > MD_NAME_MAX) {
+ pr_err("Name %s is too long.\n", devlist->devname);
+ exit(1);
+ }
+
+ ret = stat(devlist->devname, &stb);
+ if (ident.super_minor == -2 && ret != 0) {
pr_err("--super-minor=dev given, and listed device %s doesn't exist.\n",
- devlist->devname);
+ devlist->devname);
+ exit(1);
+ }
+
+ if (!ret && !stat_is_md_dev(&stb)) {
+ pr_err("device %s exists but is not an md array.\n", devlist->devname);
exit(1);
}
- fstat(mdfd, &stb);
- ident.super_minor = minor(stb.st_rdev);
- }
- if (mdfd >= 0 && mode != MANAGE && mode != GROW) {
- /* We don't really want this open yet, we just might
- * have wanted to check some things
- */
- close(mdfd);
- mdfd = -1;
}
+ if (ident.super_minor == -2)
+ ident.super_minor = minor(stb.st_rdev);
}
if (s.raiddisks) {
}
}
- if (c.backup_file && data_offset != INVALID_SECTORS) {
+ if (c.update && c.update == UOPT_NODES && c.nodes == 0) {
+ pr_err("Please specify nodes number with --nodes\n");
+ exit(1);
+ }
+
+ if (c.backup_file && s.data_offset != INVALID_SECTORS) {
pr_err("--backup-file and --data-offset are incompatible\n");
exit(2);
}
/* readonly, add/remove, readwrite, runstop */
if (c.readonly > 0)
rv = Manage_ro(devlist->devname, mdfd, c.readonly);
- if (!rv && devs_found>1)
+ if (!rv && devs_found > 1)
rv = Manage_subdevs(devlist->devname, mdfd,
- devlist->next, c.verbose, c.test,
- c.update, c.force);
+ devlist->next, c.verbose,
+ c.test, c.update, c.force);
if (!rv && c.readonly < 0)
rv = Manage_ro(devlist->devname, mdfd, c.readonly);
if (!rv && c.runstop > 0)
rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0);
break;
case ASSEMBLE:
- if (devs_found == 1 && ident.uuid_set == 0 &&
- ident.super_minor == UnSet && ident.name[0] == 0 &&
- !c.scan ) {
+ if (!c.scan && c.runstop == -1) {
+ pr_err("--no-degraded not meaningful without a --scan assembly.\n");
+ exit(1);
+ } else if (devs_found == 1 && ident.uuid_set == 0 &&
+ ident.super_minor == UnSet && ident.name[0] == 0 &&
+ !c.scan) {
/* Only a device has been given, so get details from config file */
struct mddev_ident *array_ident = conf_get_ident(devlist->devname);
if (array_ident == NULL) {
rv = Create(ss, devlist->devname,
ident.name, ident.uuid_set ? ident.uuid : NULL,
- devs_found-1, devlist->next,
- &s, &c, data_offset);
+ devs_found - 1, devlist->next, &s, &c);
break;
case MISC:
if (devmode == 'E') {
break;
}
if (c.delay == 0) {
- if (get_linux_version() > 2006016)
- /* mdstat responds to poll */
- c.delay = 1000;
- else
+ c.delay = conf_get_monitor_delay();
+ if (!c.delay)
c.delay = 60;
}
rv = Monitor(devlist, mailaddr, program,
c.verbose);
else if (s.size > 0 || s.raiddisks || s.layout_str ||
s.chunk != 0 || s.level != UnSet ||
- data_offset != INVALID_SECTORS) {
+ s.data_offset != INVALID_SECTORS) {
rv = Grow_reshape(devlist->devname, mdfd,
- devlist->next,
- data_offset, &c, &s);
+ devlist->next, &c, &s);
} else if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) {
rv = Grow_consistency_policy(devlist->devname, mdfd, &c, &s);
} else if (array_size == 0)
}
if (locked)
cluster_release_dlmlock();
- if (mdfd > 0)
- close(mdfd);
+ close_fd(&mdfd);
exit(rv);
}
int r;
if (a->assembled)
continue;
- if (a->devname &&
- strcasecmp(a->devname, "<ignore>") == 0)
+ if (a->devname && is_devname_ignore(a->devname) == true)
continue;
r = Assemble(ss, a->devname,
else
rv |= WaitClean(name, c->verbose);
put_md_name(name);
+ map_free(map);
+ map = NULL;
}
}
free_mdstat(ms);
rv |= Kill(dv->devname, NULL, c->force, v, 0);
v = -1;
} while (rv == 0);
- rv &= ~2;
+ rv &= ~4;
}
continue;
case 'Q':
rv |= Kill_subarray(dv->devname, c->subarray, c->verbose);
continue;
case UpdateSubarray:
- if (c->update == NULL) {
+ if (!c->update) {
pr_err("-U/--update must be specified with --update-subarray\n");
rv |= 1;
continue;
rv |= Manage_run(dv->devname, mdfd, c);
break;
case 'S':
+ if (c->scan) {
+ pr_err("--stop not meaningful with both a --scan assembly and a device name.\n");
+ rv |= 1;
+ break;
+ }
rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0);
break;
case 'o':