/*
* mdadm - manage Linux "md" devices aka RAID arrays.
*
- * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2009 Neil Brown <neilb@suse.de>
*
*
* This program is free software; you can redistribute it and/or modify
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Neil Brown
- * Email: <neilb@cse.unsw.edu.au>
- * Paper: Neil Brown
- * School of Computer Science and Engineering
- * The University of New South Wales
- * Sydney, 2052
- * Australia
+ * Email: <neilb@suse.de>
*/
#include "mdadm.h"
disk.minor == 0)
continue;
if ((dv=map_dev(disk.major, disk.minor, 1))) {
- if ((!st || !st->sb) &&
- (disk.state & (1<<MD_DISK_ACTIVE))) {
+ /* some formats (imsm) have free-floating-spares
+ * with a uuid of uuid_match_any, they don't
+ * have very good info about the rest of the
+ * container, so keep searching when
+ * encountering such a device. Otherwise, stop
+ * after the first successful call to
+ * ->load_super.
+ */
+ int free_spare = memcmp(uuid_match_any,
+ info.uuid,
+ sizeof(uuid_match_any)) == 0;
+ if ((!st || !st->sb || free_spare) &&
+ (array.raid_disks == 0 ||
+ (disk.state & (1<<MD_DISK_ACTIVE)))) {
/* try to read the superblock from this device
* to get more info
*/
+ if (free_spare)
+ st->ss->free_super(st);
int fd2 = dev_open(dv, O_RDONLY);
if (fd2 >=0 && st &&
st->ss->load_super(st, fd2, NULL) == 0) {
st->ss->getinfo_super(st, &info);
- if (info.array.ctime != array.ctime ||
- info.array.level != array.level)
+ if (array.raid_disks != 0 && /* container */
+ (info.array.ctime != array.ctime ||
+ info.array.level != array.level))
st->ss->free_super(st);
}
if (fd2 >= 0) close(fd2);
if (sra && sra->array.major_version < 0)
printf("MD_METADATA=%s\n", sra->text_version);
else
- printf("MD_METADATA=%02d.%02d\n",
+ printf("MD_METADATA=%d.%d\n",
array.major_version, array.minor_version);
}
+
+ if (st && st->sb) {
+ struct mdinfo info;
+ char nbuf[64];
+ struct map_ent *mp, *map = NULL;
+ st->ss->getinfo_super(st, &info);
+ fname_from_uuid(st, &info, nbuf, ':');
+ printf("MD_UUID=%s\n", nbuf+5);
+ mp = map_by_uuid(&map, info.uuid);
+ if (mp && mp->path &&
+ strncmp(mp->path, "/dev/md/", 8) == 0)
+ printf("MD_DEVNAME=%s\n", mp->path+8);
- if (st && st->sb)
- st->ss->export_detail_super(st);
+ if (st->ss->export_detail_super)
+ st->ss->export_detail_super(st);
+ } else {
+ struct map_ent *mp, *map = NULL;
+ char nbuf[64];
+ mp = map_by_devnum(&map, fd2devnum(fd));
+ if (mp) {
+ __fname_from_uuid(mp->uuid, 0, nbuf, ':');
+ printf("MD_UUID=%s\n", nbuf+5);
+ }
+ if (mp && mp->path &&
+ strncmp(mp->path, "/dev/md/", 8) == 0)
+ printf("MD_DEVNAME=%s\n", mp->path+8);
+ }
goto out;
}
+ disks = malloc(max_disks * sizeof(mdu_disk_info_t));
+ for (d=0; d<max_disks; d++) {
+ disks[d].state = (1<<MD_DISK_REMOVED);
+ disks[d].major = disks[d].minor = 0;
+ disks[d].number = disks[d].raid_disk = d;
+ }
+
+ next = array.raid_disks;
+ for (d=0; d < max_disks; d++) {
+ mdu_disk_info_t disk;
+ disk.number = d;
+ if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
+ if (d < array.raid_disks)
+ fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
+ d, strerror(errno));
+ continue;
+ }
+ if (disk.major == 0 && disk.minor == 0)
+ continue;
+ if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks)
+ disks[disk.raid_disk] = disk;
+ else if (next < max_disks)
+ disks[next++] = disk;
+ }
+
+ avail = calloc(array.raid_disks, 1);
+
+ for (d= 0; d < array.raid_disks; d++) {
+ mdu_disk_info_t disk = disks[d];
+
+ if ((disk.state & (1<<MD_DISK_SYNC))) {
+ avail_disks ++;
+ avail[d] = 1;
+ }
+ }
+
if (brief) {
mdu_bitmap_file_t bmf;
- if (array.raid_disks)
- printf("ARRAY %s level=%s num-devices=%d", dev,
- c?c:"-unknown-",
- array.raid_disks );
- else
- printf("ARRAY %s level=container num-devices=%d",
- dev, array.nr_disks);
-
+ printf("ARRAY %s", dev);
+ if (brief > 1) {
+ if (array.raid_disks)
+ printf(" level=%s num-devices=%d",
+ c?c:"-unknown-",
+ array.raid_disks );
+ else
+ printf(" level=container num-devices=%d",
+ array.nr_disks);
+ }
if (container) {
printf(" container=%s", container);
printf(" member=%s", member);
if (sra && sra->array.major_version < 0)
printf(" metadata=%s", sra->text_version);
else
- printf(" metadata=%02d.%02d",
+ printf(" metadata=%d.%d",
array.major_version, array.minor_version);
}
struct mdstat_ent *ms = mdstat_read(0, 0);
struct mdstat_ent *e;
int devnum = array.md_minor;
- if (major(stb.st_rdev) != MD_MAJOR)
+ if (major(stb.st_rdev) == get_mdp_major())
devnum = -1 - devnum;
for (e=ms; e; e=e->next)
if (sra && sra->array.major_version < 0)
printf(" Version : %s\n", sra->text_version);
else
- printf(" Version : %02d.%02d\n",
+ printf(" Version : %d.%d\n",
array.major_version, array.minor_version);
}
unsigned long long dsize = get_component_size(fd);
if (dsize > 0)
printf(" Used Dev Size : %llu%s\n",
- dsize,
- human_size((long long)dsize<<10));
+ dsize/2,
+ human_size((long long)dsize<<9));
else
printf(" Used Dev Size : unknown\n");
} else
atime = array.utime;
if (atime)
printf(" Update Time : %.24s\n", ctime(&atime));
- if (array.raid_disks)
+ if (array.raid_disks) {
+ char *st;
+ if (avail_disks == array.raid_disks)
+ st = "";
+ else if (!enough(array.level, array.raid_disks,
+ array.layout, 1, avail, avail_disks))
+ st = ", FAILED";
+ else
+ st = ", degraded";
+
printf(" State : %s%s%s%s\n",
(array.state&(1<<MD_SB_CLEAN))?"clean":"active",
- array.active_disks < array.raid_disks? ", degraded":"",
+ st,
(!e || e->percent < 0) ? "" :
(e->resync) ? ", resyncing": ", recovering",
larray_size ? "": ", Not Started");
+ }
if (array.raid_disks)
printf(" Active Devices : %d\n", array.active_disks);
printf("Working Devices : %d\n", array.working_disks);
c = map_num(r5layout, array.layout);
printf(" Layout : %s\n", c?c:"-unknown-");
}
+ if (array.level == 6) {
+ c = map_num(r6layout, array.layout);
+ printf(" Layout : %s\n", c?c:"-unknown-");
+ }
if (array.level == 10) {
- printf(" Layout : near=%d, %s=%d\n",
- array.layout&255, (array.layout&0x10000)?"offset":"far",
- (array.layout>>8)&255);
+ printf(" Layout :");
+ print_r10_layout(array.layout);
+ printf("\n");
}
switch (array.level) {
case 0:
printf(" New Layout : %s\n",
c?c:"-unknown-");
}
+ if (info.new_level == 6) {
+ char *c = map_num(r6layout, info.new_layout);
+ printf(" New Layout : %s\n",
+ c?c:"-unknown-");
+ }
if (info.new_level == 10) {
printf(" New Layout : near=%d, %s=%d\n",
info.new_layout&255,
else
printf(" Number Major Minor RaidDevice\n");
}
- disks = malloc(max_disks * sizeof(mdu_disk_info_t));
- for (d=0; d<max_disks; d++) {
- disks[d].state = (1<<MD_DISK_REMOVED);
- disks[d].major = disks[d].minor = 0;
- disks[d].number = disks[d].raid_disk = d;
- }
- next = array.raid_disks;
- for (d=0; d < max_disks; d++) {
- mdu_disk_info_t disk;
- disk.number = d;
- if (ioctl(fd, GET_DISK_INFO, &disk) < 0) {
- if (d < array.raid_disks)
- fprintf(stderr, Name ": cannot get device detail for device %d: %s\n",
- d, strerror(errno));
- continue;
- }
- if (disk.major == 0 && disk.minor == 0)
- continue;
- if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks)
- disks[disk.raid_disk] = disk;
- else if (next < max_disks)
- disks[next++] = disk;
- }
-
- avail = calloc(array.raid_disks, 1);
for (d= 0; d < max_disks; d++) {
char *dv;
mdu_disk_info_t disk = disks[d];
if (test && d < array.raid_disks
&& !(disk.state & (1<<MD_DISK_SYNC)))
rv |= 1;
- if (d < array.raid_disks
- && (disk.state & (1<<MD_DISK_SYNC))) {
- avail_disks ++;
- avail[d] = 1;
- }
if ((dv=map_dev(disk.major, disk.minor, 0))) {
if (brief) {
if (devices) {
1, avail, avail_disks))
rv = 2;
+ free(disks);
out:
close(fd);
return rv;
}
+
+int Detail_Platform(struct superswitch *ss, int scan, int verbose)
+{
+ /* display platform capabilities for the given metadata format
+ * 'scan' in this context means iterate over all metadata types
+ */
+ int i;
+ int err = 1;
+
+ if (ss && ss->detail_platform)
+ err = ss->detail_platform(verbose, 0);
+ else if (ss) {
+ if (verbose)
+ fprintf(stderr, Name ": %s metadata is platform independent\n",
+ ss->name ? : "[no name]");
+ } else if (!scan) {
+ if (verbose)
+ fprintf(stderr, Name ": specify a metadata type or --scan\n");
+ }
+
+ if (!scan)
+ return err;
+
+ for (i = 0; superlist[i]; i++) {
+ struct superswitch *meta = superlist[i];
+
+ if (meta == ss)
+ continue;
+ if (verbose)
+ fprintf(stderr, Name ": checking metadata %s\n",
+ meta->name ? : "[no name]");
+ if (!meta->detail_platform) {
+ if (verbose)
+ fprintf(stderr, Name ": %s metadata is platform independent\n",
+ meta->name ? : "[no name]");
+ } else
+ err |= meta->detail_platform(verbose, 0);
+ }
+
+ return err;
+}
projects / thirdparty / mdadm.git / blobdiff