Hi
I have three SATA 250 GB disks with two partitions on each one.
The first partition from each disk form a RAID1 array which is my root
partition. The second partition of each disk form a RAID5.
Everything was working fine, then I had to power off/on the machine as it
was hanging. At next boot the RAID1 array was degraded but running,
mdadm /dev/md0--add /dev/sdc2 fixed it.
The RAID5 array is still a problem, dmesg says:
md: created md1
md: bind<sda2>
md: bind<sdb2>
md: bind<sdc2>
md: running: <sdc2><sdb2><sda2>
md: kicking non-fresh sdc2 from array!
md: unbind<sdc2>
md: export_rdev(sdc2)
md: md1: raid array is not clean -- starting background reconstruction
raid5: device sdb2 operational as raid disk 0
raid5: device sda2 operational as raid disk 1
raid5: cannot start dirty degraded array for md1
RAID5 conf printout:
--- rd:3 wd:2 fd:1
disk 0, o:1, dev:sdb2
disk 1, o:1, dev:sda2
raid5: failed to run raid set md1
md: pers->run() failed ...
md: do_md_run() returned -5
md: md1 stopped.
md: unbind<sdb2>
md: export_rdev(sdb2)
md: unbind<sda2>
md: export_rdev(sda2)
mdadm --examine for those three partions:
/dev/sda2:
Magic : a92b4efc
Version : 00.90.03
UUID : 1e721d7b:1ed2152e:1f8e55e3:a881163a
Creation Time : Fri May 12 21:36:04 2006
Raid Level : raid5
Raid Devices : 3
Total Devices : 3
Preferred Minor : 1
Update Time : Fri Jun 2 23:41:26 2006
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 2
Spare Devices : 0
Checksum : 45e5f094 - correct
Events : 0.67315
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 8 2 1 active sync /dev/sda2
0 0 8 18 0 active sync /dev/sdb2
1 1 8 2 1 active sync /dev/sda2
2 2 0 0 2 faulty removed
/dev/sdb2:
Magic : a92b4efc
Version : 00.90.03
UUID : 1e721d7b:1ed2152e:1f8e55e3:a881163a
Creation Time : Fri May 12 21:36:04 2006
Raid Level : raid5
Raid Devices : 3
Total Devices : 3
Preferred Minor : 1
Update Time : Fri Jun 2 23:41:26 2006
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 2
Spare Devices : 0
Checksum : 45e5f0a2 - correct
Events : 0.67315
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 18 0 active sync /dev/sdb2
0 0 8 18 0 active sync /dev/sdb2
1 1 8 2 1 active sync /dev/sda2
2 2 0 0 2 faulty removed
/dev/sdc2:
Magic : a92b4efc
Version : 00.90.03
UUID : 1e721d7b:1ed2152e:1f8e55e3:a881163a
Creation Time : Fri May 12 21:36:04 2006
Raid Level : raid5
Raid Devices : 3
Total Devices : 3
Preferred Minor : 1
Update Time : Fri Jun 2 20:36:31 2006
State : clean
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Checksum : 45e6cc45 - correct
Events : 0.67313
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 2 8 34 2 active sync /dev/sdc2
0 0 8 18 0 active sync /dev/sdb2
1 1 8 2 1 active sync /dev/sda2
2 2 8 34 2 active sync /dev/sdc2
Is there any way to recover?
I'm using
Kernel: 2.6.16.16
mdadm: v1.12.0
Thanks for your time.
Regards,
Chris
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