[Lustre-discuss] e2fsck --mdsdb segmentation fault

[Andreas Dilger]

On 2009-11-12, at 04:42, Heiko Schröter wrote:
> some of our OSTs and our MDS has block and inode errors in the  
> filesystem.
> When cleaning the systems with e2fsck everything looks ok till some  
> minutes later new block and inode errors are introduced on the OSTs  
> and the MDS.
> So we gather that we have to follow the procedure in the manual and  
> create --mdsdb and sync the OSTs against that.
> But the creation on the MDS fails.

If you are getting errors on 2 sequential runs of e2fsck (don't even  
bother
with mdsdb/ostdb/lfsck yet) it has nothing to do with Lustre, but is  
either
bad disks/controllers/cables/cache that is corrupting your  
filesystem.  You
need to fix the underlying storage problem first.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.