[ovirt-users] Re: NFS ISO Domain - Outage ?

Hi Thanks for the response. Seems that they got paused, all came right after the NFS server came backup. Regards Nardus On Wed, 11 Mar 2020 at 11:34, Strahil Nikolov <hunter86_bg(a)yahoo.com&gt; wrote: > On March 11, 2020 9:45:30 AM GMT+02:00, Nardus Geldenhuys < > nardusg(a)gmail.com&gt; wrote: > >Hi Ovirt Mailing-list > > > >Hope you are well. We had an outage over several ovirt clusters. It > >looks > >like we had the same ISO NFS domain shared to all off them, many of the > >VM's had a CD attached to it. The NFS server went down for an hour, all > >hell broke lose when the NFS server went down. Some of the ovirt nodes > >became "red/unresponssive" on the ovirt dashboard. We learned now to > >spilt > >the NFS server for ISO's and/or remove the ISO's when done. > > > >Has anyone seen similar issues with an NFS ISO Domain? Is there special > >options we need to pass to the mount to get around this? Can we put the > >ISO's somewhere else? > > > >Regards > > > >Nardus > > Hi Nardus, > > The iso domain is deprecated, but there are some issues when uploading > ISOs to block-based data domains.Using ISOs uploaded to gluster-based > data domain is working pretty fine (I'm using it in my LAB), but you need > to properly test prior implementing on Prod. > > As far as I know, oVirt is making I/O checks frequently , so even the hard > mount option won't help. > > Is your NFS clusterized ? If not ,you may consider clusterizing it. > > Actually, did your VMs got paused or completely crashed ? > > Best Regards, > Strahil Nikolov >