On Dec 11, 2013 11:17 AM, "Joop" <jvdwege@xs4all.nl> wrote:

Einav Cohen wrote:

Hi,
When trying to add an NFS Export domain via oVirt-engine, it fails on "Problem while trying to mount target". when checking the vdsm.log, it seems that the problem is mount time-out.
when I tried to manually run the mount command, in the exact same manner as vdsm, it indeed failed on Connection timed out after ~3 minutes or so:
[root@localhost vdsm]# /usr/bin/mount -t nfs -o soft,nosharecache,timeo=600,retrans=6,nfsvers=3 1.2.3.4:/home/ecohen/public/export/engine/storage/195/iscsi-dc/export /rhev/data-center/mnt/11.2.3.4:_home_ecohen_public_export_engine_storage_195_iscsi-dc_export mount.nfs: Connection timed out
but - when trying to run the mount command again, with the exact same mount source and mount target, but without any additional parameter, it succeeded (after ~10 seconds): [root@localhost vdsm]# /usr/bin/mount 10.18.57.137:/home/ecohen/public/export/engine/storage/195/iscsi-dc/export /rhev/data-center/mnt/10.18.57.137:_home_ecohen_public_export_engine_storage_195_iscsi-dc_export
 

My guesss its NFSv3 vs NFSv4

Joop

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