Re: emergency call for help: raid5 fallen apart

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On Wed Feb 24, 2010 at 04:05:36PM +0100, Stefan G. Weichinger wrote:

> Am 24.02.2010 15:54, schrieb Stefan G. Weichinger:
> 
> > What to try?
> > 
> > This is a crucial server and I feel a lot of pressure.
> > Rebuilding that raid would mean a lot of restore-work etc.
> > So I would really appreciate a goo advice here.
> 
> Followup:
> 
> --examine shows different statii for the four partitions:
> 
Hmm, that looks like sda4 dropped out after sdc4 was removed, failing
the array.  Can you force assemble the array?
    mdadm -A /dev/md4 -f /dev/sda4 /dev/sdb4

If that works, you'll want to re-add the hot spare so it rebuilds.
You'll also need to fsck the filesystem afterwards.

Cheers,
    Robin
-- 
     ___        
    ( ' }     |       Robin Hill        <robin@xxxxxxxxxxxxxxx> |
   / / )      | Little Jim says ....                            |
  // !!       |      "He fallen in de water !!"                 |

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