Re: I just trashed my RAID5 array - recovery possible?

* Neil Brown <neilb@xxxxxxxxxxxxxxx> [2003-03-20 10:58]:
> On Thursday March 20, lists@xxxxxxxxxxx wrote:
> > 
> > And when I try to mount the array:
> > --8<--
> > EXT3-fs error (device md(9,1)): ext3_check_descriptors: Block bitmap for 
> > group 509 not in group (block 4294967295)!
> > EXT3-fs: group descriptors corrupted !
> > --8<--
> > 
> > What should I do now? Raidhotadd the 4th device? Run e2fsck prior to
> > that or afterwards?
> 
> I would 
>    fsck -n /dev/md1
> to non-distructively see how much damage there is.
> 
> If that shows an uncomfortable large amount of damage, you could
> assembling the array from a different triple of devices.
> It is currently assemble from
>    /dev/hd[gki]1
> 
> If you want to try g, k and e for example, use
>   mdadm -Af /dev/md1 /dev/hd[gke]1
> 
> and then try "fsck -n" on that.

I've run fsck on all 4 different combos now:

http://wolfram.schlich.org/tmp/fsck.log.1
http://wolfram.schlich.org/tmp/fsck.log.1.README

http://wolfram.schlich.org/tmp/fsck.log.2
http://wolfram.schlich.org/tmp/fsck.log.2.README

http://wolfram.schlich.org/tmp/fsck.log.3
http://wolfram.schlich.org/tmp/fsck.log.3.README

http://wolfram.schlich.org/tmp/fsck.log.4
http://wolfram.schlich.org/tmp/fsck.log.4.README

Which one should I actually give a *real* try?
-- 
Wolfram Schlich; Friedhofstr. 8, D-88069 Tettnang; +49-(0)178-SCHLICH
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