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

[Einav Cohen]

Thanks Bob/Joop - checking the "Override Default Options" 
checkbox and selecting "V4" in the "NFS Version" drop-down 
within the "Advanced Parameters" section before hitting "OK" 
in the 'New Domain' dialog did the trick. 

----
Regards,
Einav

----- Original Message -----
> From: "Bob Doolittle" <bob at doolittle.us.com>
> To: "Joop" <jvdwege at xs4all.nl>
> Cc: "users" <users at ovirt.org>
> Sent: Wednesday, December 11, 2013 11:20:01 AM
> Subject: Re: [Users] add NFS storage domain fails on mount timeout via ovirt
> 
> 
> 
> Yes. In my experience when v4 works and v3 does not it's because of firewall
> issues on the server.
> 
> -Bob
> 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 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 at 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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