On Wed, 1 Jul 2009, Sabuj Pattanayek wrote:
> Yes there was a power outage. The system is setup to always do a
> fsck.jfs on the volume upon boot and that's probably when 37 of these
> read errors occurred consecutively to the device :
> 
> Jun 14 19:23:02 system ERROR: (device dm-5): diRead: i_ino != di_number

Hm, searching the web gives:

  - http://lkml.org/lkml/2008/11/18/10, hardware issues
  - 
http://www.mail-archive.com/[email protected]/msg01015.html
    kernel bug suspected, but not confirmed

> Unfortunately snapshotting was never setup on this LVM.

Just before messing with fsck:

  lvcreate -L 100M -s -n foo-backup /dev/vg01/foo

Then run fsck against /dev/vg01/foo-backup, not foo.

Christian.
-- 
BOFH excuse #138:

BNC (brain not connected)

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