Had a bad thunderstorm in my area last night that resulted in a power outage. After OMV restart, once the power was restored, I noticed one of my two RAID 5 arrays was offline. After some fiddling, I got it back online but with 2 out of 3 drives. SMART shows all 3 of the drives 'passed'. I'm running OMV 3.0.99 with kernel 4.9.0.
Here is the mdadm --misc --query --examine for each drive in the array. /sde is the drive excluded from the array
Code
root@openmediavault:~# mdadm --misc --query --examine /dev/sda
/dev/sda:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : be9d6a6e:3d6f3e23:fee9a740:47a5fefb
Name : omvnas:Server
Creation Time : Sun May 31 03:02:34 2015
Raid Level : raid5
Raid Devices : 3
Avail Dev Size : 3906767024 (1862.89 GiB 2000.26 GB)
Array Size : 3906765824 (3725.78 GiB 4000.53 GB)
Used Dev Size : 3906765824 (1862.89 GiB 2000.26 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
Unused Space : before=262064 sectors, after=1200 sectors
State : clean
Device UUID : c61e594b:4faee165:7b4ebbcb:91866b91
Update Time : Sat Jul 21 21:04:06 2018
Checksum : 2f47c0cf - correct
Events : 329308
Layout : left-symmetric
Chunk Size : 512K
Device Role : Active device 2
Array State : A.A ('A' == active, '.' == missing, 'R' == replacing)
root@openmediavault:~# mdadm --misc --query --examine /dev/sdb
/dev/sdb:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : be9d6a6e:3d6f3e23:fee9a740:47a5fefb
Name : omvnas:Server
Creation Time : Sun May 31 03:02:34 2015
Raid Level : raid5
Raid Devices : 3
Avail Dev Size : 3906767024 (1862.89 GiB 2000.26 GB)
Array Size : 3906765824 (3725.78 GiB 4000.53 GB)
Used Dev Size : 3906765824 (1862.89 GiB 2000.26 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
Unused Space : before=262064 sectors, after=1200 sectors
State : clean
Device UUID : 84b9412f:42afe2e6:9f1434c4:60d18caf
Update Time : Sat Jul 21 21:04:06 2018
Checksum : aacb6760 - correct
Events : 329308
Layout : left-symmetric
Chunk Size : 512K
Device Role : Active device 0
Array State : A.A ('A' == active, '.' == missing, 'R' == replacing)
root@openmediavault:~# mdadm --misc --query --examine /dev/sde
/dev/sde:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : be9d6a6e:3d6f3e23:fee9a740:47a5fefb
Name : omvnas:Server
Creation Time : Sun May 31 03:02:34 2015
Raid Level : raid5
Raid Devices : 3
Avail Dev Size : 3906767024 (1862.89 GiB 2000.26 GB)
Array Size : 3906765824 (3725.78 GiB 4000.53 GB)
Used Dev Size : 3906765824 (1862.89 GiB 2000.26 GB)
Data Offset : 262144 sectors
Super Offset : 8 sectors
Unused Space : before=262064 sectors, after=1200 sectors
State : active
Device UUID : efb3b1e8:17e74d29:786fab7c:1fc09375
Update Time : Wed Jul 11 17:20:58 2018
Checksum : 2517312b - correct
Events : 112539
Layout : left-symmetric
Chunk Size : 512K
Device Role : Active device 1
Array State : AAA ('A' == active, '.' == missing, 'R' == replacing)
Alles anzeigen
Here's the cat /proc/mdstat
Code
md126 : active raid5 sdd[0] sdg[2] sdf[1]
5860270080 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU]
[============>........] resync = 63.9% (1875104952/2930135040) finish=167.8min speed=104764K/sec
md127 : active raid5 sdb[0] sda[3]
3906765824 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/2] [U_U]
unused devices: <none>
blkid
Code
root@openmediavault:~# blkid
/dev/sdb: UUID="be9d6a6e-3d6f-3e23-fee9-a74047a5fefb" UUID_SUB="84b9412f-42af-e2e6-9f14-34c460d18caf" LABEL="omvnas:Server" TYPE="linux_raid_member"
/dev/sda: UUID="be9d6a6e-3d6f-3e23-fee9-a74047a5fefb" UUID_SUB="c61e594b-4fae-e165-7b4e-bbcb91866b91" LABEL="omvnas:Server" TYPE="linux_raid_member"
/dev/sdd: UUID="bbd69834-ff0c-e5ad-7ae1-5eba53319b53" UUID_SUB="bda84ee5-2b28-4037-9957-61fb75a8c344" LABEL="omvnas:Media" TYPE="linux_raid_member"
/dev/sdf: UUID="bbd69834-ff0c-e5ad-7ae1-5eba53319b53" UUID_SUB="3e1288a4-3bdb-5442-ee98-e178b5afabf1" LABEL="omvnas:Media" TYPE="linux_raid_member"
/dev/sde: UUID="be9d6a6e-3d6f-3e23-fee9-a74047a5fefb" UUID_SUB="efb3b1e8-17e7-4d29-786f-ab7c1fc09375" LABEL="omvnas:Server" TYPE="linux_raid_member"
/dev/sdc1: UUID="36a4a1dd-606a-4b4a-b410-4bf096d16f4c" TYPE="ext4" PARTUUID="21d0f6b2-01"
/dev/sdc5: UUID="3a278f7f-8800-4cdb-83f8-5fd8b86d0634" TYPE="swap" PARTUUID="21d0f6b2-05"
/dev/sdg: UUID="bbd69834-ff0c-e5ad-7ae1-5eba53319b53" UUID_SUB="b8082027-e0b5-f031-3d23-be8edf8af761" LABEL="omvnas:Media" TYPE="linux_raid_member"
/dev/md127: LABEL="Server" UUID="9d8702ea-a1a8-4a5e-9029-40c3106dd9e9" TYPE="ext4"
/dev/md126: LABEL="Media" UUID="8164bc97-8e41-49f5-8584-742d2e2cbbc9" TYPE="ext4"
Alles anzeigen
Finally here is the mdadm --detail --scan --verbose
Code
root@openmediavault:~# mdadm --detail --scan --verbose
ARRAY /dev/md127 level=raid5 num-devices=3 metadata=1.2 name=omvnas:Server UUID=be9d6a6e:3d6f3e23:fee9a740:47a5fefb
devices=/dev/sda,/dev/sdb
ARRAY /dev/md126 level=raid5 num-devices=3 metadata=1.2 name=omvnas:Media UUID=bbd69834:ff0ce5ad:7ae15eba:53319b53
devices=/dev/sdd,/dev/sdf,/dev/sdg
I have no idea if the drive is actually good or bad, or how to fix this issue.