AW: [DRBD-user] Umount not working

Andreas Neubauer andreas.neubauer at
Wed Mar 2 16:36:00 CET 2005

Thanks for the help, this worked.

-----Ursprüngliche Nachricht-----
Von: Bernd Schubert [mailto:Bernd.Schubert at] Im Auftrag von Bernd Schubert
Gesendet: Dienstag, 01. März 2005 20:54
An: drbd-user at
Cc: Andreas Neubauer
Betreff: Re: [DRBD-user] Umount not working

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

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