Hi,
Here's the situation:
24 disk array.
Disk fails - usage continues for a while.
Power cut - array in unknown state at the time, but I expect it was just
running degraded.
Restart and assemble the array.
*story continues further down.
1 disk is way out of sync and 1 disk doesn't work. 2 disks are marked spare
- the faulty one and another. I think I need to set the status of one of the
'spare' disks to clean and then assemble the array. I can then rebuild the
disk that is way out of sync, and when I have a replacement, rebuild the
failed disk. Is this possible? It doesn't matter if I can assemble the array
to get some of the data even if most of it is corrupt. At the very least I'd
like to be able to see the names of the files I had on it.
Hope someone can help, but I'm not holding my breath.
Iain
root@skinner:/home/iain# mdadm -D /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Thu May 31 17:24:32 2007
Raid Level : raid6
Array Size : 10744267776 (10246.53 GiB 11002.13 GB)
Used Dev Size : 488375808 (465.75 GiB 500.10 GB)
Raid Devices : 24
Total Devices : 22
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Sat Oct 18 20:52:53 2008
State : clean, degraded
Active Devices : 22
Working Devices : 22
Failed Devices : 0
Spare Devices : 0
Chunk Size : 128K
UUID : 2aa31867:40c370a7:61c202b9:07c4b1c4
Events : 0.1273570
Number Major Minor RaidDevice State
0 8 49 0 active sync /dev/sdd1
1 8 65 1 active sync /dev/sde1
2 8 81 2 active sync /dev/sdf1
3 8 33 3 active sync /dev/sdc1
4 8 225 4 active sync /dev/sdo1
5 8 241 5 active sync /dev/sdp1
6 8 193 6 active sync /dev/sdm1
7 8 209 7 active sync /dev/sdn1
8 65 17 8 active sync /dev/sdr1
9 65 81 9 active sync /dev/sdv1
10 0 0 10 removed
11 65 113 11 active sync /dev/sdx1
12 0 0 12 removed
13 65 49 13 active sync /dev/sdt1
14 65 1 14 active sync /dev/sdq1
15 65 65 15 active sync /dev/sdu1
16 8 129 16 active sync /dev/sdi1
17 8 161 17 active sync /dev/sdk1
18 8 145 18 active sync /dev/sdj1
19 8 177 19 active sync /dev/sdl1
20 8 1 20 active sync /dev/sda1
21 8 97 21 active sync /dev/sdg1
22 8 17 22 active sync /dev/sdb1
23 8 113 23 active sync /dev/sdh1
Not so long after:
root@skinner:/home/iain# mdadm -D /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Thu May 31 17:24:32 2007
Raid Level : raid6
Array Size : 10744267776 (10246.53 GiB 11002.13 GB)
Used Dev Size : 488375808 (465.75 GiB 500.10 GB)
Raid Devices : 24
Total Devices : 22
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Tue Dec 16 12:56:38 2008
State : clean, degraded
Active Devices : 21
Working Devices : 21
Failed Devices : 1
Spare Devices : 0
Chunk Size : 128K
UUID : 2aa31867:40c370a7:61c202b9:07c4b1c4
Events : 0.1273576
Number Major Minor RaidDevice State
0 8 49 0 active sync /dev/sdd1
1 8 65 1 active sync /dev/sde1
2 8 81 2 active sync /dev/sdf1
3 8 33 3 active sync /dev/sdc1
4 8 225 4 active sync /dev/sdo1
5 8 241 5 active sync /dev/sdp1
6 8 193 6 active sync /dev/sdm1
7 8 209 7 active sync /dev/sdn1
8 65 17 8 active sync /dev/sdr1
9 65 81 9 active sync /dev/sdv1
10 0 0 10 removed
11 65 113 11 active sync /dev/sdx1
12 0 0 12 removed
13 65 49 13 active sync /dev/sdt1
14 65 1 14 active sync /dev/sdq1
15 0 0 15 removed
16 8 129 16 active sync /dev/sdi1
17 8 161 17 active sync /dev/sdk1
18 8 145 18 active sync /dev/sdj1
19 8 177 19 active sync /dev/sdl1
20 8 1 20 active sync /dev/sda1
21 8 97 21 active sync /dev/sdg1
22 8 17 22 active sync /dev/sdb1
23 8 113 23 active sync /dev/sdh1
24 65 65 - faulty spare /dev/sdu1
root@skinner:/home/iain# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md0 : active raid6 sdd1[0] sdh1[23] sdb1[22] sdg1[21] sda1[20] sdl1[19]
sdj1[18] sdk1[17] sdi1[16] sdu1[24](F) sdq1[14] sdt1[13] sdx1[11] sdv1[9]
sdr1[8] sdn1[7] sdm1[6] sdp1[5] sdo1[4] sdc1[3] sdf1[2] sde1[1]
10744267776 blocks level 6, 128k chunk, algorithm 2 [24/21]
[UUUUUUUUUU_U_UU_UUUUUUUU]
root@skinner:/home/iain# mdadm -E /dev/sd[a-x]1 | grep Events
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1273578
Events : 0.1271254
Events : 0.1273578
Events : 0.1273572
Events : 0.1273578
Events : 0.1273570
Events : 0.1273578
So from this I think sds1 was the one that first failed. Looks like it but
letters are now reallocated (since reboot).
root@skinner:/home/iain# mdadm -E /dev/sds1
/dev/sds1:
Magic : a92b4efc
Version : 00.90.00
UUID : 2aa31867:40c370a7:61c202b9:07c4b1c4
Creation Time : Thu May 31 17:24:32 2007
Raid Level : raid6
Used Dev Size : 488375808 (465.75 GiB 500.10 GB)
Array Size : 10744267776 (10246.53 GiB 11002.13 GB)
Raid Devices : 24
Total Devices : 24
Preferred Minor : 0
Update Time : Sat Oct 18 12:56:28 2008
State : clean
Active Devices : 24
Working Devices : 24
Failed Devices : 0
Spare Devices : 0
Checksum : 2ab633fc - correct
Events : 0.1271254
Chunk Size : 128K
Number Major Minor RaidDevice State
this 12 65 97 12 active sync /dev/sdw1
0 0 8 145 0 active sync /dev/sdj1
1 1 8 177 1 active sync /dev/sdl1
2 2 8 129 2 active sync /dev/sdi1
3 3 8 161 3 active sync /dev/sdk1
4 4 8 225 4 active sync /dev/sdo1
5 5 8 241 5 active sync /dev/sdp1
6 6 8 193 6 active sync /dev/sdm1
7 7 8 209 7 active sync /dev/sdn1
8 8 65 65 8 active sync /dev/sdu1
9 9 65 49 9 active sync /dev/sdt1
10 10 65 33 10 active sync /dev/sds1
11 11 65 1 11 active sync /dev/sdq1
12 12 65 97 12 active sync /dev/sdw1
13 13 65 113 13 active sync /dev/sdx1
14 14 65 81 14 active sync /dev/sdv1
15 15 65 17 15 active sync /dev/sdr1
16 16 8 97 16 active sync /dev/sdg1
17 17 8 113 17 active sync /dev/sdh1
18 18 8 65 18 active sync /dev/sde1
19 19 8 81 19 active sync /dev/sdf1
20 20 8 49 20 active sync /dev/sdd1
21 21 8 33 21 active sync /dev/sdc1
22 22 8 17 22 active sync /dev/sdb1
23 23 8 1 23 active sync /dev/sda1
Next:
Start without sds1 as that was the one that was left behind when there was
still activity going on.
root@skinner:/home/iain# mdadm -v -S /dev/md0
mdadm: stopped /dev/md0
root@skinner:/home/iain# mdadm -A /dev/md0 /dev/sd[abcdefghijklmnopqrtuvwx]1
mdadm: /dev/md0 assembled from 21 drives - not enough to start the array.
root@skinner:/home/iain# mdadm -A -f -v /dev/md0
/dev/sd[abcdefghijklmnopqrtuvwx]1
mdadm: looking for devices for /dev/md0
mdadm: /dev/sda1 is identified as a member of /dev/md0, slot 20.
mdadm: /dev/sdb1 is identified as a member of /dev/md0, slot 22.
mdadm: /dev/sdc1 is identified as a member of /dev/md0, slot 3.
mdadm: /dev/sdd1 is identified as a member of /dev/md0, slot 0.
mdadm: /dev/sde1 is identified as a member of /dev/md0, slot 1.
mdadm: /dev/sdf1 is identified as a member of /dev/md0, slot 2.
mdadm: /dev/sdg1 is identified as a member of /dev/md0, slot 21.
mdadm: /dev/sdh1 is identified as a member of /dev/md0, slot 23.
mdadm: /dev/sdi1 is identified as a member of /dev/md0, slot 16.
mdadm: /dev/sdj1 is identified as a member of /dev/md0, slot 18.
mdadm: /dev/sdk1 is identified as a member of /dev/md0, slot 17.
mdadm: /dev/sdl1 is identified as a member of /dev/md0, slot 19.
mdadm: /dev/sdm1 is identified as a member of /dev/md0, slot 6.
mdadm: /dev/sdn1 is identified as a member of /dev/md0, slot 7.
mdadm: /dev/sdo1 is identified as a member of /dev/md0, slot 4.
mdadm: /dev/sdp1 is identified as a member of /dev/md0, slot 5.
mdadm: /dev/sdq1 is identified as a member of /dev/md0, slot 14.
mdadm: /dev/sdr1 is identified as a member of /dev/md0, slot 8.
mdadm: /dev/sdt1 is identified as a member of /dev/md0, slot 13.
mdadm: /dev/sdu1 is identified as a member of /dev/md0, slot 15.
mdadm: /dev/sdv1 is identified as a member of /dev/md0, slot 9.
mdadm: /dev/sdw1 is identified as a member of /dev/md0, slot 10.
mdadm: /dev/sdx1 is identified as a member of /dev/md0, slot 11.
mdadm: forcing event count in /dev/sdu1(15) from 1273572 upto 1273578
mdadm: clearing FAULTY flag for device 19 in /dev/md0 for /dev/sdu1
mdadm: added /dev/sde1 to /dev/md0 as 1
mdadm: added /dev/sdf1 to /dev/md0 as 2
mdadm: added /dev/sdc1 to /dev/md0 as 3
mdadm: added /dev/sdo1 to /dev/md0 as 4
mdadm: added /dev/sdp1 to /dev/md0 as 5
mdadm: added /dev/sdm1 to /dev/md0 as 6
mdadm: added /dev/sdn1 to /dev/md0 as 7
mdadm: added /dev/sdr1 to /dev/md0 as 8
mdadm: added /dev/sdv1 to /dev/md0 as 9
mdadm: added /dev/sdw1 to /dev/md0 as 10
mdadm: added /dev/sdx1 to /dev/md0 as 11
mdadm: no uptodate device for slot 12 of /dev/md0
mdadm: added /dev/sdt1 to /dev/md0 as 13
mdadm: added /dev/sdq1 to /dev/md0 as 14
mdadm: added /dev/sdu1 to /dev/md0 as 15
mdadm: added /dev/sdi1 to /dev/md0 as 16
mdadm: added /dev/sdk1 to /dev/md0 as 17
mdadm: added /dev/sdj1 to /dev/md0 as 18
mdadm: added /dev/sdl1 to /dev/md0 as 19
mdadm: added /dev/sda1 to /dev/md0 as 20
mdadm: added /dev/sdg1 to /dev/md0 as 21
mdadm: added /dev/sdb1 to /dev/md0 as 22
mdadm: added /dev/sdh1 to /dev/md0 as 23
mdadm: added /dev/sdd1 to /dev/md0 as 0
mdadm: /dev/md0 has been started with 22 drives (out of 24).
root@skinner:/home/iain# mdadm --add /dev/md0 /dev/sd[ws]1
mdadm: re-added /dev/sds1
mdadm: re-added /dev/sdw1
root@skinner:/home/iain# mdadm -D /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Thu May 31 17:24:32 2007
Raid Level : raid6
Array Size : 10744267776 (10246.53 GiB 11002.13 GB)
Used Dev Size : 488375808 (465.75 GiB 500.10 GB)
Raid Devices : 24
Total Devices : 24
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Tue Dec 16 13:10:29 2008
State : clean, degraded, recovering
Active Devices : 22
Working Devices : 24
Failed Devices : 0
Spare Devices : 2
Chunk Size : 128K
Rebuild Status : 0% complete
UUID : 2aa31867:40c370a7:61c202b9:07c4b1c4
Events : 0.1273586
Number Major Minor RaidDevice State
0 8 49 0 active sync /dev/sdd1
1 8 65 1 active sync /dev/sde1
2 8 81 2 active sync /dev/sdf1
3 8 33 3 active sync /dev/sdc1
4 8 225 4 active sync /dev/sdo1
5 8 241 5 active sync /dev/sdp1
6 8 193 6 active sync /dev/sdm1
7 8 209 7 active sync /dev/sdn1
8 65 17 8 active sync /dev/sdr1
9 65 81 9 active sync /dev/sdv1
25 65 33 10 spare rebuilding /dev/sds1
11 65 113 11 active sync /dev/sdx1
12 0 0 12 removed
13 65 49 13 active sync /dev/sdt1
14 65 1 14 active sync /dev/sdq1
15 65 65 15 active sync /dev/sdu1
16 8 129 16 active sync /dev/sdi1
17 8 161 17 active sync /dev/sdk1
18 8 145 18 active sync /dev/sdj1
19 8 177 19 active sync /dev/sdl1
20 8 1 20 active sync /dev/sda1
21 8 97 21 active sync /dev/sdg1
22 8 17 22 active sync /dev/sdb1
23 8 113 23 active sync /dev/sdh1
24 65 97 - spare /dev/sdw1
root@skinner:/home/iain# mount -a
mount: /dev/md0: can't read superblock
root@skinner:/mnt/md0raid# xfs_check /dev/md0
ERROR: The filesystem has valuable metadata changes in a log which needs to
be replayed. Mount the filesystem to replay the log, and unmount it before
re-running xfs_check. If you are unable to mount the filesystem, then use
the xfs_repair -L option to destroy the log and attempt a repair.
Note that destroying the log may cause corruption -- please attempt a mount
of the filesystem before doing this.
root@skinner:/mnt/md0raid# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md0 : active raid6 sdw1[24](S) sds1[25](S) sdd1[0] sdh1[23] sdb1[22]
sdg1[21] sda1[20] sdl1[19] sdj1[18] sdk1[17] sdi1[16] sdu1[26](F) sdq1[14]
sdt1[13] sdx1[11] sdv1[9] sdr1[8] sdn1[7] sdm1[6] sdp1[5] sdo1[4] sdc1[3]
sdf1[2] sde1[1]
10744267776 blocks level 6, 128k chunk, algorithm 2 [24/21]
[UUUUUUUUUU_U_UU_UUUUUUUU]
root@skinner:/mnt/md0raid# mdadm -D /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Thu May 31 17:24:32 2007
Raid Level : raid6
Array Size : 10744267776 (10246.53 GiB 11002.13 GB)
Used Dev Size : 488375808 (465.75 GiB 500.10 GB)
Raid Devices : 24
Total Devices : 24
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Tue Dec 16 13:13:55 2008
State : clean, degraded
Active Devices : 21
Working Devices : 23
Failed Devices : 1
Spare Devices : 2
Chunk Size : 128K
UUID : 2aa31867:40c370a7:61c202b9:07c4b1c4
Events : 0.1273598
Number Major Minor RaidDevice State
0 8 49 0 active sync /dev/sdd1
1 8 65 1 active sync /dev/sde1
2 8 81 2 active sync /dev/sdf1
3 8 33 3 active sync /dev/sdc1
4 8 225 4 active sync /dev/sdo1
5 8 241 5 active sync /dev/sdp1
6 8 193 6 active sync /dev/sdm1
7 8 209 7 active sync /dev/sdn1
8 65 17 8 active sync /dev/sdr1
9 65 81 9 active sync /dev/sdv1
10 0 0 10 removed
11 65 113 11 active sync /dev/sdx1
12 0 0 12 removed
13 65 49 13 active sync /dev/sdt1
14 65 1 14 active sync /dev/sdq1
15 0 0 15 removed
16 8 129 16 active sync /dev/sdi1
17 8 161 17 active sync /dev/sdk1
18 8 145 18 active sync /dev/sdj1
19 8 177 19 active sync /dev/sdl1
20 8 1 20 active sync /dev/sda1
21 8 97 21 active sync /dev/sdg1
22 8 17 22 active sync /dev/sdb1
23 8 113 23 active sync /dev/sdh1
24 65 97 - spare /dev/sdw1
25 65 33 - spare /dev/sds1
26 65 65 - faulty spare /dev/sdu1
root@skinner:/mnt/md0raid# mdadm -E /dev/sd[a-x]1 | grep Events
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
Events : 0.1273589
Events : 0.1273600
Events : 0.1273600
Events : 0.1273600
root@skinner:/mnt/md0raid# mdadm -v -S /dev/md0
mdadm: stopped /dev/md0
root@skinner:/mnt/md0raid# mdadm -A /dev/md0
/dev/sd[abcdefghijklmnopqrstvwx]1
mdadm: /dev/md0 assembled from 21 drives and 2 spares - not enough to start
the array.
sdu has spontainiously changed to sdy
root@skinner:/mnt/md0raid# mdadm -E /dev/sd[a-z]1 | grep
"Events\|/dev/sd[a-z]1:"
/dev/sda1:
Events : 0.1273608
/dev/sdb1:
Events : 0.1273608
/dev/sdc1:
Events : 0.1273608
/dev/sdd1:
Events : 0.1273608
/dev/sde1:
Events : 0.1273608
/dev/sdf1:
Events : 0.1273608
/dev/sdg1:
Events : 0.1273608
/dev/sdh1:
Events : 0.1273608
/dev/sdi1:
Events : 0.1273608
/dev/sdj1:
Events : 0.1273608
/dev/sdk1:
Events : 0.1273608
/dev/sdl1:
Events : 0.1273608
/dev/sdm1:
Events : 0.1273608
/dev/sdn1:
Events : 0.1273608
/dev/sdo1:
Events : 0.1273608
/dev/sdp1:
Events : 0.1273608
/dev/sdq1:
Events : 0.1273608
/dev/sdr1:
Events : 0.1273608
/dev/sds1:
Events : 0.1273608
/dev/sdt1:
Events : 0.1273608
/dev/sdv1:
Events : 0.1273608
/dev/sdw1:
Events : 0.1273608
/dev/sdx1:
Events : 0.1273608
/dev/sdy1:
Events : 0.1273589
root@skinner:/mnt/md0raid# mdadm -v -A -f /dev/md0
/dev/sd[abcdefghijklmnopqrtvwxy]1
mdadm: looking for devices for /dev/md0
mdadm: /dev/sda1 is identified as a member of /dev/md0, slot 20.
mdadm: /dev/sdb1 is identified as a member of /dev/md0, slot 22.
mdadm: /dev/sdc1 is identified as a member of /dev/md0, slot 3.
mdadm: /dev/sdd1 is identified as a member of /dev/md0, slot 0.
mdadm: /dev/sde1 is identified as a member of /dev/md0, slot 1.
mdadm: /dev/sdf1 is identified as a member of /dev/md0, slot 2.
mdadm: /dev/sdg1 is identified as a member of /dev/md0, slot 21.
mdadm: /dev/sdh1 is identified as a member of /dev/md0, slot 23.
mdadm: /dev/sdi1 is identified as a member of /dev/md0, slot 16.
mdadm: /dev/sdj1 is identified as a member of /dev/md0, slot 18.
mdadm: /dev/sdk1 is identified as a member of /dev/md0, slot 17.
mdadm: /dev/sdl1 is identified as a member of /dev/md0, slot 19.
mdadm: /dev/sdm1 is identified as a member of /dev/md0, slot 6.
mdadm: /dev/sdn1 is identified as a member of /dev/md0, slot 7.
mdadm: /dev/sdo1 is identified as a member of /dev/md0, slot 4.
mdadm: /dev/sdp1 is identified as a member of /dev/md0, slot 5.
mdadm: /dev/sdq1 is identified as a member of /dev/md0, slot 14.
mdadm: /dev/sdr1 is identified as a member of /dev/md0, slot 8.
mdadm: /dev/sdt1 is identified as a member of /dev/md0, slot 13.
mdadm: /dev/sdv1 is identified as a member of /dev/md0, slot 9.
mdadm: /dev/sdw1 is identified as a member of /dev/md0, slot 24.
mdadm: /dev/sdx1 is identified as a member of /dev/md0, slot 11.
mdadm: /dev/sdy1 is identified as a member of /dev/md0, slot 15.
mdadm: forcing event count in /dev/sdy1(15) from 1273589 upto 1273608
mdadm: clearing FAULTY flag for device 22 in /dev/md0 for /dev/sdy1
mdadm: added /dev/sde1 to /dev/md0 as 1
mdadm: added /dev/sdf1 to /dev/md0 as 2
mdadm: added /dev/sdc1 to /dev/md0 as 3
mdadm: added /dev/sdo1 to /dev/md0 as 4
mdadm: added /dev/sdp1 to /dev/md0 as 5
mdadm: added /dev/sdm1 to /dev/md0 as 6
mdadm: added /dev/sdn1 to /dev/md0 as 7
mdadm: added /dev/sdr1 to /dev/md0 as 8
mdadm: added /dev/sdv1 to /dev/md0 as 9
mdadm: no uptodate device for slot 10 of /dev/md0
mdadm: added /dev/sdx1 to /dev/md0 as 11
mdadm: no uptodate device for slot 12 of /dev/md0
mdadm: added /dev/sdt1 to /dev/md0 as 13
mdadm: added /dev/sdq1 to /dev/md0 as 14
mdadm: added /dev/sdy1 to /dev/md0 as 15
mdadm: added /dev/sdi1 to /dev/md0 as 16
mdadm: added /dev/sdk1 to /dev/md0 as 17
mdadm: added /dev/sdj1 to /dev/md0 as 18
mdadm: added /dev/sdl1 to /dev/md0 as 19
mdadm: added /dev/sda1 to /dev/md0 as 20
mdadm: added /dev/sdg1 to /dev/md0 as 21
mdadm: added /dev/sdb1 to /dev/md0 as 22
mdadm: added /dev/sdh1 to /dev/md0 as 23
mdadm: added /dev/sdw1 to /dev/md0 as 24
mdadm: added /dev/sdd1 to /dev/md0 as 0
mdadm: /dev/md0 has been started with 22 drives (out of 24) and 1 spare.
root@skinner:/mnt/md0raid# mdadm -D /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Thu May 31 17:24:32 2007
Raid Level : raid6
Array Size : 10744267776 (10246.53 GiB 11002.13 GB)
Used Dev Size : 488375808 (465.75 GiB 500.10 GB)
Raid Devices : 24
Total Devices : 23
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Tue Dec 16 14:43:57 2008
State : clean, degraded
Active Devices : 21
Working Devices : 22
Failed Devices : 1
Spare Devices : 1
Chunk Size : 128K
UUID : 2aa31867:40c370a7:61c202b9:07c4b1c4
Events : 0.1273614
Number Major Minor RaidDevice State
0 8 49 0 active sync /dev/sdd1
1 8 65 1 active sync /dev/sde1
2 8 81 2 active sync /dev/sdf1
3 8 33 3 active sync /dev/sdc1
4 8 225 4 active sync /dev/sdo1
5 8 241 5 active sync /dev/sdp1
6 8 193 6 active sync /dev/sdm1
7 8 209 7 active sync /dev/sdn1
8 65 17 8 active sync /dev/sdr1
9 65 81 9 active sync /dev/sdv1
10 0 0 10 removed
11 65 113 11 active sync /dev/sdx1
12 0 0 12 removed
13 65 49 13 active sync /dev/sdt1
14 65 1 14 active sync /dev/sdq1
15 0 0 15 removed
16 8 129 16 active sync /dev/sdi1
17 8 161 17 active sync /dev/sdk1
18 8 145 18 active sync /dev/sdj1
19 8 177 19 active sync /dev/sdl1
20 8 1 20 active sync /dev/sda1
21 8 97 21 active sync /dev/sdg1
22 8 17 22 active sync /dev/sdb1
23 8 113 23 active sync /dev/sdh1
24 65 97 - spare /dev/sdw1
25 65 129 - faulty spare /dev/sdy1
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