Hello!
I have raid1 array with bitmap (md3), one disk has died, been replaced
and array resynced:
Aug 25 15:38:03 gamma2 kernel: [ 5.986791] md: md3 stopped.
Aug 25 15:38:03 gamma2 kernel: [ 6.043306] raid1: raid set md3
active with 1 out of 2 mirrors
Aug 25 15:38:03 gamma2 kernel: [ 6.044378] md3: bitmap initialized
from disk: read 2/2 pages, set 357 bits
Aug 25 15:38:03 gamma2 kernel: [ 6.044442] created bitmap (22
pages) for device md3
Aug 25 15:38:03 gamma2 kernel: [ 6.070492] md3: detected capacity
change from 0 to 1478197903360
Aug 25 15:38:03 gamma2 kernel: [ 6.070862] md3: unknown partition table
Aug 26 19:33:33 gamma2 kernel: [100325.814179] md: md3: recovery done.
Now, /proc/mdstats still shows "dirty" bitmap, 16 of 22 pages:
root@gamma2:~# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md3 : active raid1 sdc3[1] sdb3[0]
1443552640 blocks [2/2] [UU]
bitmap: 16/22 pages [64KB], 32768KB chunk
root@gamma2:~# mdadm -D /dev/md3
/dev/md3:
Version : 00.90
Creation Time : Wed Oct 13 03:13:52 2010
Raid Level : raid1
Array Size : 1443552640 (1376.68 GiB 1478.20 GB)
Used Dev Size : 1443552640 (1376.68 GiB 1478.20 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 3
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Sat Aug 27 13:53:57 2011
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
UUID : f5a9c1da:83dd4c40:d363f6aa:3cbcebe5
Events : 0.1381014
Number Major Minor RaidDevice State
0 8 19 0 active sync /dev/sdb3
1 8 35 1 active sync /dev/sdc3
That is strange as I can understand.
distrib & mdadm info:
Debian Lenny with openvz kernel from lenny-backports.
root@gamma2:~# cat /proc/version
Linux version 2.6.32-bpo.5-openvz-amd64 (Debian 2.6.32-35~bpo50+1)
(norbert@xxxxxxxxxxxxx) (gcc version 4.3.2 (Debian 4.3.2-1.1) ) #1 SMP
Wed Jul 20 11:23:01 UTC 2011
root@gamma2:~# mdadm --version
mdadm - v2.6.7.2 - 14th November 2008
--
Best regards,
[COOLCOLD-RIPN]
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