Raid-1-Array degenerating while booting
My /dev/md0-Boot-Raid-1-Partition always degenerates while booting (or maybe
while shutdown?). I don't know where to find the error. Maybe someone can
help? All other raid-arrays in my system stay clean.
syslog says:
[...]
Jun 15 23:44:51 server kernel: md: md0: raid array is not clean -- starting
background reconstruction
Jun 15 23:44:51 server kernel: md: raid1 personality registered as nr 3
Jun 15 23:44:51 server kernel: md0: max total readahead window set to 124k
Jun 15 23:44:51 server kernel: md0: 1 data-disks, max readahead per
data-disk: 124k
Jun 15 23:44:51 server kernel: raid1: device
ide/host0/bus0/target1/lun0/part1 operational as mirror 1
Jun 15 23:44:51 server kernel: raid1: md0, not all disks are operational --
trying to recover array
Jun 15 23:44:51 server kernel: raid1: raid set md0 active with 1 out of 2
mirrors
Jun 15 23:44:51 server kernel: md: updating md0 RAID superblock on device
Jun 15 23:44:51 server kernel: md: ide/host0/bus0/target1/lun0/part1
[events: 00
000001]<6>(write) ide/host0/bus0/target1/lun0/part1's sb offset: 8000256
Jun 15 23:44:51 server kernel: md: recovery thread got woken up ...
Jun 15 23:44:51 server kernel: md0: no spare disk to reconstruct array! --
continuing in degraded mode
Jun 15 23:44:51 server kernel: md: recovery thread finished ...
[...]
I'm using Kernel 2.4.27 and the following partition-table:
The raid-arrays /dev/md0 is made up of /dev/hda1 and /dev/hdb1; /dev/md1 is
made up of /dev/hda5 and /dev/hdb5 aso...
/dev/hda, (same partitions for /dev/hdb):
Device Boot Start End Blocks Id System
/dev/hda1 * 1 996 8000338+ fd Linux raid
autodetect
/dev/hda2 997 24321 187358062+ 5 Extended
/dev/hda5 997 1019 184716 82 Linux swap / Solaris
/dev/hda6 * 1020 2015 8000338+ fd Linux raid
autodetect
/dev/hda7 * 2016 3011 8000338+ fd Linux raid
autodetect
/dev/hda8 3012 24321 171172543+ fd Linux raid
autodetect
cat /proc/mdstat:
Personalities : [raid1]
read_ahead 1024 sectors
md1 : active raid1 ide/host0/bus0/target0/lun0/part6[0]
ide/host0/bus0/target1/lun0/part6[1]
8000256 blocks [2/2] [UU]
md2 : active raid1 ide/host0/bus0/target0/lun0/part7[0]
ide/host0/bus0/target1/lun0/part7[1]
8000256 blocks [2/2] [UU]
md3 : active raid1 ide/host0/bus0/target0/lun0/part8[0]
ide/host0/bus0/target1/lun0/part8[1]
171172416 blocks [2/2] [UU]
md0 : active raid1 ide/host0/bus0/target1/lun0/part1[1]
8000256 blocks [2/1] [_U]
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