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

Joop jvdwege at xs4all.nl
Wed Dec 11 16:17:19 UTC 2013

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 /rhev/data-center/mnt/ 
> 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/ 
My guesss its NFSv3 vs NFSv4


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