Hi Dragon,
On 06/08/2011 10:24 AM, Dragon wrote:
> SRaid with 13 Disks crashed
> Hello,
>
>
> this seems to be my last chance to get back all of my data from a sw-raid5 with
12-13 disks.
> i use debian ( 2.6.32-bpo.5-amd64) and last i wanted to grow the raid from 12 to
13 disk with a size at all of 18tb. after run mke2fs i must see that the tool on
ext4 allow a maximum size of 16tb. after that i wanted to shrink the size back to
12 disk and now the raid is gone.
Did you actually mean "mke2fs" ? It destroys existing data. I hope you meant
"resize2fs".
> i tried some assemble and examine things but without success.
>
> here some information:
> cat /proc/mdstat
> Personalities : [raid6] [raid5] [raid4]
> md0 : inactive sdh[0](S) sda[13](S) sdg[12](S) sdf[11](S) sde[10](S) sdd[9](S)
sdc[8](S) sdb[6](S) sdm[5](S) sdl[4](S) sdj[3](S) sdi[2](S)
> 17581661952 blocks
>
> unused devices: <none>
>
> mdadm --detail /dev/md0
> mdadm: md device /dev/md0 does not appear to be active.
>
> mdadm --assemble --force -v /dev/md0 /dev/sdh /dev/sda /dev/sdg /dev/sdf /dev/sde
/dev/sdd /dev/sdc /dev/sdb /dev/sdm /dev/sdl /dev/sdj /dev/sdi
--update=super-minor /dev/sdh
Was /dev/sdk supposed to be in this list?
> mdadm: looking for devices for /dev/md0
> mdadm: updating superblock of /dev/sdh with minor number 0
> mdadm: /dev/sdh is identified as a member of /dev/md0, slot 0.
> mdadm: updating superblock of /dev/sda with minor number 0
> mdadm: /dev/sda is identified as a member of /dev/md0, slot 13.
This is suspicious. Looks like sda was added as a spare?
> mdadm: updating superblock of /dev/sdg with minor number 0
> mdadm: /dev/sdg is identified as a member of /dev/md0, slot 12.
> mdadm: updating superblock of /dev/sdf with minor number 0
> mdadm: /dev/sdf is identified as a member of /dev/md0, slot 11.
> mdadm: updating superblock of /dev/sde with minor number 0
> mdadm: /dev/sde is identified as a member of /dev/md0, slot 10.
> mdadm: updating superblock of /dev/sdd with minor number 0
> mdadm: /dev/sdd is identified as a member of /dev/md0, slot 9.
> mdadm: updating superblock of /dev/sdc with minor number 0
> mdadm: /dev/sdc is identified as a member of /dev/md0, slot 8.
> mdadm: updating superblock of /dev/sdb with minor number 0
> mdadm: /dev/sdb is identified as a member of /dev/md0, slot 6.
> mdadm: updating superblock of /dev/sdm with minor number 0
> mdadm: /dev/sdm is identified as a member of /dev/md0, slot 5.
> mdadm: updating superblock of /dev/sdl with minor number 0
> mdadm: /dev/sdl is identified as a member of /dev/md0, slot 4.
> mdadm: updating superblock of /dev/sdj with minor number 0
> mdadm: /dev/sdj is identified as a member of /dev/md0, slot 3.
> mdadm: updating superblock of /dev/sdi with minor number 0
> mdadm: /dev/sdi is identified as a member of /dev/md0, slot 2.
> mdadm: updating superblock of /dev/sdh with minor number 0
> mdadm: /dev/sdh is identified as a member of /dev/md0, slot 0.
> mdadm: no uptodate device for slot 1 of /dev/md0
> mdadm: added /dev/sdi to /dev/md0 as 2
> mdadm: added /dev/sdj to /dev/md0 as 3
> mdadm: added /dev/sdl to /dev/md0 as 4
> mdadm: added /dev/sdm to /dev/md0 as 5
> mdadm: added /dev/sdb to /dev/md0 as 6
> mdadm: no uptodate device for slot 7 of /dev/md0
> mdadm: added /dev/sdc to /dev/md0 as 8
> mdadm: added /dev/sdd to /dev/md0 as 9
> mdadm: added /dev/sde to /dev/md0 as 10
> mdadm: added /dev/sdf to /dev/md0 as 11
> mdadm: added /dev/sdg to /dev/md0 as 12
> mdadm: added /dev/sda to /dev/md0 as 13
> mdadm: added /dev/sdh to /dev/md0 as 0
> mdadm: /dev/md0 assembled from 11 drives and 1 spare - not enough to start the array.
Indeed. Your problem is likely to be /dev/sda.
> mdadm.conf
> #old=ARRAY /dev/md0 level=raid5 num-devices=13 metadata=0.90
UUID=975d6eb2:285eed11:021df236:c2d05073
> ARRAY /dev/md0 UUID=975d6eb2:285eed11:021df236:c2d05073
>
> Hope some can help. Thx
Please share the output of "mdadm -E /dev/sd[abcdefghijklm]"
Phil
-------------------
Sorry my misstake, of course "resize2fs".
"Was /dev/sdk supposed to be in this list?"
->yes was a part of the raid, but i think something happends with the uuid and now its the system and boot disk. for explanation the raid is stand alone
"This is suspicious. Looks like sda was added as a spare?"
->last i wanted to downgrade the raid from 13 to 12 and there for take a disk and marked it as spare, but it was the sda, uuid problem?
->
mdadm -E /dev/sda
/dev/sda:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee418e - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 13 8 0 13 spare /dev/sda
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdb
/dev/sdb:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee4196 - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 6 8 16 6 active sync /dev/sdb
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdc
/dev/sdc:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee41aa - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 8 8 32 8 active sync /dev/sdc
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdd
/dev/sdd:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee41bc - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 9 8 48 9 active sync /dev/sdd
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sde
/dev/sde:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee41ea - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 112 0 active sync /dev/sdh
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdf
/dev/sdf:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee41fe - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 2 8 128 2 active sync /dev/sdi
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdg
/dev/sdg:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee4210 - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 3 8 144 3 active sync /dev/sdj
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdh
/dev/sdh:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 22:49:22 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee3313 - correct
Events : 156606
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 13 8 160 13 spare /dev/sdk
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 160 13 spare /dev/sdk
mdadm -E /dev/sdi
/dev/sdi:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee4232 - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 4 8 176 4 active sync /dev/sdl
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdj
/dev/sdj:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee4244 - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 5 8 192 5 active sync /dev/sdm
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdk
mdadm: No md superblock detected on /dev/sdk.
mdadm -E /dev/sdl
/dev/sdl:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee41ce - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 10 8 64 10 active sync /dev/sde
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdm
/dev/sdm:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee41e0 - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 11 8 80 11 active sync /dev/sdf
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdn
/dev/sdn:
Magic : a92b4efc
Version : 0.90.00
UUID : 975d6eb2:285eed11:021df236:c2d05073
Creation Time : Tue Oct 13 23:26:17 2009
Raid Level : raid5
Used Dev Size : 1465138496 (1397.26 GiB 1500.30 GB)
Array Size : 17581661952 (16767.18 GiB 18003.62 GB)
Raid Devices : 13
Total Devices : 12
Preferred Minor : 0
Update Time : Fri Jun 3 23:47:53 2011
State : clean
Active Devices : 11
Working Devices : 12
Failed Devices : 2
Spare Devices : 1
Checksum : 1dee41f2 - correct
Events : 156864
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 12 8 96 12 active sync /dev/sdg
0 0 8 112 0 active sync /dev/sdh
1 1 0 0 1 faulty removed
2 2 8 128 2 active sync /dev/sdi
3 3 8 144 3 active sync /dev/sdj
4 4 8 176 4 active sync /dev/sdl
5 5 8 192 5 active sync /dev/sdm
6 6 8 16 6 active sync /dev/sdb
7 7 0 0 7 faulty removed
8 8 8 32 8 active sync /dev/sdc
9 9 8 48 9 active sync /dev/sdd
10 10 8 64 10 active sync /dev/sde
11 11 8 80 11 active sync /dev/sdf
12 12 8 96 12 active sync /dev/sdg
13 13 8 0 13 spare /dev/sda
mdadm -E /dev/sdo
mdadm: No md superblock detected on /dev/sdo.
nassrv01:~# fdisk -l |grep sd
Disk /dev/sda: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdb: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdc: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdd: 1500.3 GB, 1500301910016 bytes
Disk /dev/sde: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdf: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdg: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdh: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdi: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdj: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdk: 20.4 GB, 20409532416 bytes
/dev/sdk1 * 1 2372 19053058+ 83 Linux
/dev/sdk2 2373 2481 875542+ 5 Extended
/dev/sdk5 2373 2481 875511 82 Linux swap / Solaris
Disk /dev/sdl: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdm: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdn: 1500.3 GB, 1500301910016 bytes
Disk /dev/sdo: 1500.3 GB, 1500301910016 bytes
/dev/sdo1 1 182401 1465136001 83 Linux
Hope that helps. thx
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