<p dir="ltr">Yes. In my experience when v4 works and v3 does not it's because of firewall issues on the server.</p>
<p dir="ltr">-Bob</p>
<div class="gmail_quote">On Dec 11, 2013 11:17 AM, "Joop" <<a href="mailto:jvdwege@xs4all.nl">jvdwege@xs4all.nl</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Einav Cohen wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi, <br>
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. <br>
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: <br>
[root@localhost vdsm]# /usr/bin/mount -t nfs -o soft,nosharecache,timeo=600,<u></u>retrans=6,nfsvers=3 1.2.3.4:/home/ecohen/public/<u></u>export/engine/storage/195/<u></u>iscsi-dc/export /rhev/data-center/mnt/<a href="http://11.2.3." target="_blank">11.2.3.</a><u></u>4:_home_ecohen_public_export_<u></u>engine_storage_195_iscsi-dc_<u></u>export mount.nfs: Connection timed out <br>
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/<u></u>public/export/engine/storage/<u></u>195/iscsi-dc/export /rhev/data-center/mnt/10.18.<u></u>57.137:_home_ecohen_public_<u></u>export_engine_storage_195_<u></u>iscsi-dc_export <br>
<br>
</blockquote>
My guesss its NFSv3 vs NFSv4<br>
<br>
Joop<br>
<br>
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</blockquote></div>