[Lustre-discuss] Was able, now unable to mount

[Andreas Dilger]

On Feb 06, 2009  11:02 +1000, Andrew Brooker wrote:
> After rebooting the servers (via reboot cmd) I am no longer able to mount
> the FS from any of the servers where I previously could.
> When I try to mount the FS I receive the following error.
> 
> 'mount -t lustre 1.1.1.1 at tcp0:/lustre /mnt/lustre'
> 
> mount.lustre: mount 1.1.1.1 at tcp0:/lustre at /mnt/lustre failed: No such
> device
> Are the lustre modules loaded?
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^?
> Check /etc/modprobe.conf and /proc/filesystems
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^?

Does /proc/filesystems show "lustre"?  Does /var/log/messages have any
error?

> lctl dl (results in)
>   0 UP mgs MGS MGS 7
>   1 UP mgc MGC1.1.1.1 at tcp 29f04cc2-d96e-0ef1-5680-6113df98ea84 5
>   2 UP mdt MDS MDS_uuid 3
>   3 UP lov lustre-mdtlov lustre-mdtlov_UUID 4
>   4 UP mds lustre-MDT0000 lustre-MDT0000_UUID 4
>   5 UP osc lustre-OST0000-osc lustre-mdtlov_UUID 5
>   6 UP osc lustre-OST0001-osc lustre-mdtlov_UUID 5
>   7 UP ost OSS OSS_uuid 3
>   8 UP obdfilter lustre-OST0000 lustre-OST0000_UUID 5

It doesn't appear that your OST0001 is running


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