[ovirt-users] Re: AMD EPYC 4.3 upgrade 'CPU type is not supported in this cluster compatibility version or is not supported at all'

On Thu, Feb 7, 2019 at 7:15 PM Juhani Rautiainen < juhani.rautiainen(a)gmail.com&gt; wrote: > > > On Thu, Feb 7, 2019 at 6:52 PM Simone Tiraboschi <stirabos(a)redhat.com&gt; > wrote: > >> >> >> For an hosted-engine cluster we have a manual workaround procedure >> documented here: >> https://bugzilla.redhat.com/show_bug.cgi?id=1672859#c1 >> >> > I managed to upgrade my Epyc cluster with those steps. I made new cluster > with Epyc CPU Type and cluster already in 4.3 level. Starting engine in new > cluster complained something about not finding vm with that uuid but it > still started engine fine. When all nodes were in new cluster I still > couldn't upgrade old cluster because engine was complaining that couple of > VM's couldn't be upgraded (something to do with custom level). I moved them > to new cluster too. Had to just change networks to management for the move. > After that I could upgrade old cluster to Epyc and 4.3 level. Then I just > moved VM's and nodes back (same steps but backwards). After that you can > remove the extra cluster and raise datacenter to 4.3 level. > > -Juhani > Thanks for the report! We definitively have to figure out a better upgrade flow when a cluster CPU change is required/advised.