[Users] add NFS storage domain fails on mount timeout via ovirt

Bob Doolittle bob at doolittle.us.com
Wed Dec 11 16:20:01 UTC 2013

Yes. In my experience when v4 works and v3 does not it's because of
firewall issues on the server.

On Dec 11, 2013 11:17 AM, "Joop" <jvdwege at 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 at localhost vdsm]# /usr/bin/mount -t nfs -o
>> soft,nosharecache,timeo=600,retrans=6,nfsvers=3
>> /home/ecohen/public/export/engine/storage/195/iscsi-dc/export
>> /rhev/data-center/mnt/
>> 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 at localhost vdsm]# /usr/bin/mount
>> /rhev/data-center/mnt/
>> export_engine_storage_195_iscsi-dc_export
> My guesss its NFSv3 vs NFSv4
> Joop
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