* Howto recover 2 SoftRaid 5 device fail
@ 2003-11-28 20:21 Song Pan
0 siblings, 0 replies; 3+ messages in thread
From: Song Pan @ 2003-11-28 20:21 UTC (permalink / raw)
To: linux-raid
Help:
I got power fail on my server(I was stupid enough to unplug the wrong
cable). After reboot, my SoftRAID 5, /dev/md4 device is no longer
working. It got 6 device in total and two of them /dev/sda2 and
/dev/sdb2 is out of sync.
The kernel message shows following:
kernel: md: superblock update time inconsistency -- using the most
recent one
Nov 28 18:33:59 kernel: md: freshest: hda7
The raidtab configure is following:
riaddev /dev/md4
raid-level 5
nr-raid-disks 6
chunk-size 64k
persistent-superblock 1
nr-spare-disks 0
/dev/hda7
/dev/hdc7
/dev/hde2
/dev/hdg2
/dev/sda2
/dev/sdb2
I read the Softraid howto, and it seems I can use "mkraid --force" to
get my data back. Is this ok with my situation?
thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
* Howto recover 2 SoftRaid 5 device fail
@ 2003-11-28 20:22 Song Pan
0 siblings, 0 replies; 3+ messages in thread
From: Song Pan @ 2003-11-28 20:22 UTC (permalink / raw)
To: linux-raid
Help:
I got power fail on my server(I was stupid enough to unplug the wrong
cable). After reboot, my SoftRAID 5, /dev/md4 device is no longer
working. It got 6 device in total and two of them /dev/sda2 and
/dev/sdb2 is out of sync.
The kernel message shows following:
kernel: md: superblock update time inconsistency -- using the most
recent one
Nov 28 18:33:59 kernel: md: freshest: hda7
The raidtab configure is following:
riaddev /dev/md4
raid-level 5
nr-raid-disks 6
chunk-size 64k
persistent-superblock 1
nr-spare-disks 0
/dev/hda7
/dev/hdc7
/dev/hde2
/dev/hdg2
/dev/sda2
/dev/sdb2
I read the Softraid howto, and it seems I can use "mkraid --force" to
get my data back. Is this ok with my situation?
thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
* Howto recover 2 SoftRaid 5 device fail
@ 2003-11-28 20:48 Song Pan
0 siblings, 0 replies; 3+ messages in thread
From: Song Pan @ 2003-11-28 20:48 UTC (permalink / raw)
To: linux-raid
Help:
I got power fail on my server(I was stupid enough to unplug the wrong
cable). After reboot, my SoftRAID 5, /dev/md4 device is no longer
working. It got 6 device in total and two of them /dev/sda2 and
/dev/sdb2 is out of sync.
The kernel message shows following:
kernel: md: superblock update time inconsistency -- using the most
recent one
Nov 28 18:33:59 kernel: md: freshest: hda7
The raidtab configure is following:
riaddev /dev/md4
raid-level 5
nr-raid-disks 6
chunk-size 64k
persistent-superblock 1
nr-spare-disks 0
/dev/hda7
/dev/hdc7
/dev/hde2
/dev/hdg2
/dev/sda2
/dev/sdb2
I read the Softraid howto, and it seems I can use "mkraid --force" to
get my data back. Is this ok with my situation?
I am using redhat 9.0
thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
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