[Lustre-discuss] e2fsck issue

[Larry]

you‘d better unmount the clients and ost/mdt first, then fsck them.

On Wed, Apr 13, 2011 at 4:29 PM, Christos Theodosiou
<ctheodos at grid.auth.gr> wrote:
> Hi all,
>
> I am trying to perform a file-system check on a mounted lustre file-system.
>
> The e2fsck fails with the following message:
>
>  > e2fsck -n -v --mdsdb /tmp/mdsdb /dev/msavg/lv001
> e2fsck 1.41.10.sun2 (24-Feb-2010)
> device /dev/mapper/msavg-lv001 mounted by lustre per
> /proc/fs/lustre/mds/lustrefs-MDT0000/mntdev
> Warning!  /dev/msavg/lv001 is mounted.
> e2fsck: MMP: device currently active while trying to open /dev/msavg/lv001
>
> The superblock could not be read or does not describe a correct ext2
> filesystem.  If the device is valid and it really contains an ext2
> filesystem (and not swap or ufs or something else), then the superblock
> is corrupt, and you might try running e2fsck with an alternate superblock:
>     e2fsck -b 32744 <device>
>
> I tried setting -b argument but the message persists.
>
> Do you have any suggestions on how to proceed.
>
> Best regards
> Christos
>
> --
> Christos Theodosiou
> Scientific Computational Center
> Aristotle University
> 54 124 Thessaloniki, Greece
> Tel: +30 2310 99 8988
> Fax: +30 2310 99 4309
> http://www.grid.auth.gr
>
> _______________________________________________
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org
> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>