[DRBD-user] Umount not working

Bernd Schubert bernd-schubert at web.de
Tue Mar 1 20:54:24 CET 2005

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Hello Andreas,

On Tuesday 01 March 2005 18:59, Andreas Neubauer wrote:
> I have here a strange problem with drbd:
> I am using SUSE 9.2 with kernel 2.6.8-24-default and drbd 0.7.8 with one
> device /dev/drbd0 and an reiserfs partition on it. I cannot umount the
> device from the mountpoint after mounting it with read/write in Primary
> mode. I can't find any processes using the device with "fuser" or "ps" nor
> does an "drddadmin /dev/drbd0 disconnect" help anyway. Any suggestions ?

try 'lsof' and check that none of the directories of the mount point are 
exported by NFS. Somehow we could never make good use of fuser, lsof was 
always much more helpful.


Bernd Schubert
Physikalisch Chemisches Institut / Theoretische Chemie
Universität Heidelberg
INF 229
69120 Heidelberg
e-mail: bernd.schubert at pci.uni-heidelberg.de

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