I have three hard drives in my machine and on installation, I configured
two 3-partition RAID1 arrays for /boot and /. The third array is a RAID3
and this one is OK.
Somehow both RAID1 arrays are now 'degraded' with three devices active
and one 'removed':
/dev/md0:
Version : 1.0
Creation Time : Mon May 23 11:33:58 2011
Raid Level : raid1
Array Size : 530100 (517.76 MiB 542.82 MB)
Used Dev Size : 530100 (517.76 MiB 542.82 MB)
Raid Devices : 4
Total Devices : 3
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Fri Nov 18 08:36:11 2011
State : active, degraded
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Name : linux:0
UUID : be28253b:04ef7513:53ddc8e4:4417a480
Events : 751
Number Major Minor RaidDevice State
0 8 33 0 active sync /dev/sdc1
1 0 0 1 removed
2 8 1 2 active sync /dev/sda1
3 8 17 3 active sync /dev/sdb1
/dev/md2:
Version : 1.0
Creation Time : Mon May 23 11:34:06 2011
Raid Level : raid1
Array Size : 41945640 (40.00 GiB 42.95 GB)
Used Dev Size : 41945640 (40.00 GiB 42.95 GB)
Raid Devices : 4
Total Devices : 3
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Fri Nov 18 08:43:32 2011
State : active, degraded
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Name : linux:2
UUID : 3889bec9:12aa98b3:81df75b8:c87832bc
Events : 66961
Number Major Minor RaidDevice State
0 8 35 0 active sync /dev/sdc3
1 0 0 1 removed
2 8 3 2 active sync /dev/sda3
3 8 19 3 active sync /dev/sdb3
Can this be resolved without re-creating the array?
Danilo
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