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 *devlist = NULL;
struct mddev_dev **devlistend = & devlist;
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
.level = UnSet,
.layout = UnSet,
.bitmap_chunk = UnSet,
- .consistency_policy = UnSet,
+ .consistency_policy = CONSISTENCY_POLICY_UNKNOWN,
+ .data_offset = INVALID_SECTORS,
};
char sys_hostname[256];
FILE *outf;
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");
+ exit(1);
+ }
+
+ ident_init(&ident);
while ((option_index = -1),
(opt = getopt_long(argc, argv, shortopt, long_options,
c.brief = 1;
continue;
+ case NoDevices:
+ c.no_devices = 1;
+ continue;
+
case 'Y': c.export++;
continue;
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.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);
c.homecluster = optarg;
if (strlen(c.homecluster) > 64) {
pr_err("Cluster name too big.\n");
- exit(ERANGE);
+ exit(2);
}
continue;
case O(CREATE,'x'): /* number of spare (eXtra) disks */
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;
if (strcmp(c.update, "devicesize") == 0)
continue;
+ if (strcmp(c.update, "bitmap") == 0)
+ continue;
if (strcmp(c.update, "no-bitmap") == 0)
continue;
if (strcmp(c.update, "bbl") == 0)
continue;
if (strcmp(c.update, "revert-reshape") == 0)
continue;
+ if (strcmp(c.update, "layout-original") == 0 ||
+ strcmp(c.update, "layout-alternate") == 0 ||
+ strcmp(c.update, "layout-unspecified") == 0)
+ continue;
if (strcmp(c.update, "byteorder") == 0) {
if (ss) {
pr_err("must not set metadata type with --update=byteorder.\n");
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"
+ " 'bitmap', 'no-bitmap', 'metadata', 'revert-reshape'\n"
" 'bbl', 'no-bbl', 'force-no-bbl', 'ppl', 'no-ppl'\n"
+ " 'layout-original', 'layout-alternate', 'layout-unspecified'\n"
);
exit(outf == stdout ? 0 : 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;
case O(GROW, 'k'):
s.consistency_policy = map_name(consistency_policies,
optarg);
- if (s.consistency_policy == UnSet ||
- s.consistency_policy < CONSISTENCY_POLICY_RESYNC) {
+ if (s.consistency_policy < CONSISTENCY_POLICY_RESYNC) {
pr_err("Invalid consistency policy: %s\n",
optarg);
exit(2);
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);
}
pr_err("--write-journal is only supported for RAID level 4/5/6.\n");
exit(2);
}
- if (s.consistency_policy != UnSet &&
+ 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);
}
}
- if (mode == CREATE && s.consistency_policy != UnSet) {
+ if (mode == CREATE &&
+ 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);
}
}
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 && strcmp(c.update, "nodes") == 0 && 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);
}
/* --scan implied --brief unless -vv */
c.brief = 1;
+ if (mode == CREATE) {
+ if (s.bitmap_file && strcmp(s.bitmap_file, "clustered") == 0) {
+ locked = cluster_get_dlmlock();
+ if (locked != 1)
+ exit(1);
+ }
+ } else if (mode == MANAGE || mode == GROW || mode == INCREMENTAL) {
+ if (!md_get_array_info(mdfd, &array) && (devmode != 'c')) {
+ if (array.state & (1 << MD_SB_CLUSTERED)) {
+ locked = cluster_get_dlmlock();
+ if (locked != 1)
+ exit(1);
+ }
+ }
+ }
+
switch(mode) {
case MANAGE:
/* readonly, add/remove, readwrite, runstop */
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) {
break;
}
- if (s.level != 1) {
- pr_err("--bitmap=clustered is currently supported with RAID mirror only\n");
+ if (s.level != 1 && s.level != 10) {
+ pr_err("--bitmap=clustered is currently supported with raid1/10 only\n");
+ rv = 1;
+ break;
+ }
+ if (s.level == 10 && !(is_near_layout_10(s.layout) || s.layout == UnSet)) {
+ pr_err("only near layout is supported with clustered raid10\n");
rv = 1;
break;
}
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,
rv = 1;
break;
}
- sysfs_init(&sra, mdfd, NULL);
+ if (sysfs_init(&sra, mdfd, NULL)) {
+ rv = 1;
+ break;
+ }
if (array_size == MAX_SIZE)
err = sysfs_set_str(&sra, NULL, "array_size", "default");
else
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);
- } else if (s.consistency_policy != UnSet) {
+ 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)
pr_err("no changes to --grow\n");
autodetect();
break;
}
+ if (locked)
+ cluster_release_dlmlock();
+ close_fd(&mdfd);
exit(rv);
}
if (members != member)
continue;
me = map_by_devnm(&map, e->devnm);
- if (me && me->path
- && strcmp(me->path, "/unknown") != 0)
+ if (me && me->path && strcmp(me->path, "/unknown") != 0)
name = me->path;
if (name == NULL || stat(name, &stb) != 0)
name = get_md_name(e->devnm);
if (devmode == 'D')
rv |= Detail(name, c);
else
- rv |= WaitClean(name, -1, c->verbose);
+ rv |= WaitClean(name, c->verbose);
put_md_name(name);
+ map_free(map);
+ map = NULL;
}
}
free_mdstat(ms);
int rv = 0;
for (dv = devlist; dv; dv = (rv & 16) ? NULL : dv->next) {
- int mdfd;
+ int mdfd = -1;
switch(dv->disposition) {
case 'D':
rv |= Kill(dv->devname, NULL, c->force, v, 0);
v = -1;
} while (rv == 0);
- rv &= ~2;
+ rv &= ~4;
}
continue;
case 'Q':
rv |= Wait(dv->devname);
continue;
case Waitclean:
- rv |= WaitClean(dv->devname, -1, c->verbose);
+ rv |= WaitClean(dv->devname, c->verbose);
continue;
case KillSubarray:
rv |= Kill_subarray(dv->devname, c->subarray, c->verbose);
rv |= SetAction(dv->devname, c->action);
continue;
}
- switch(dv->devname[0] == '/') {
- case 0:
- mdfd = open_dev(dv->devname);
- if (mdfd >= 0)
- break;
- case 1:
- mdfd = open_mddev(dv->devname, 1);
- }
+
+ if (dv->devname[0] != '/')
+ mdfd = open_dev(dv->devname);
+ if (dv->devname[0] == '/' || mdfd < 0)
+ mdfd = open_mddev(dv->devname, 1);
+
if (mdfd >= 0) {
switch(dv->disposition) {
case 'R':
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':
{
int fd = open(dev, O_RDONLY);
struct mdinfo mdi;
+ int retval;
+
if (fd < 0) {
pr_err("Couldn't open %s: %s\n", dev, strerror(errno));
return 1;
}
- sysfs_init(&mdi, fd, NULL);
+ retval = sysfs_init(&mdi, fd, NULL);
close(fd);
- if (!mdi.sys_name[0]) {
+ if (retval) {
pr_err("%s is no an md array\n", dev);
return 1;
}