Re: [ovirt-users] Upgrade patch 3.5 -> 3.6

On Tue, Feb 16, 2016 at 11:58 AM, Johan Kooijman <mail(a)johankooijman.com&gt; wrote: > Didi, > > Ok, the piece of information on engine still supported on 3.6 was unknown to > me. Makes my job a lot easier. > > What would be the recommended path: first upgrade the nodes to 3.6 and then > the engine? Or the other way around? Generally speaking, first engine then nodes. I am pretty certain it's documented on the wiki, didn't check. > > On Tue, Feb 16, 2016 at 8:45 AM, Yedidyah Bar David <didi(a)redhat.com&gt; wrote: >> >> On Tue, Feb 16, 2016 at 9:30 AM, Johan Kooijman <mail(a)johankooijman.com > >> wrote: >> > Yes. I pasted the information on AIO, that was wrong on my end. I have >> > an >> > engine running on dedicated hardware and about 20 nodes in this cluster. >> > I >> > do like to upgrade without downtime :) I know how to achieve this on the >> > node-end, but since I have to go from C6 to C7, I wonder what the >> > procedure >> > would be for engine. >> >> Please explain exactly what you are trying to do. >> >> Note that engine is still supported on el6. >> >> (new) Hosts are not. >> >> all-in-one is running both together, thus is not supported on el6 either. >> >> IIRC we do not have a tested procedure to upgrade the engine from C6 to C7 >> yet, see also: >> >> https://bugzilla.redhat.com/show_bug.cgi?id=1234257 >> https://bugzilla.redhat.com/show_bug.cgi?id=1285743 >> >> Best, >> >> > >> > On Mon, Feb 15, 2016 at 9:21 PM, Alexander Wels <awels(a)redhat.com&gt; >> > wrote: >> >> >> >> On Monday, February 15, 2016 08:21:40 PM Johan Kooijman wrote: >> >> > Hi Alexander, >> >> > >> >> > Thanks for the input! My 3.5 is running on C6 however: >> >> > >> >> > Upgrade of All-in-One on EL6 is not supported in 3.6. VDSM and the >> >> > packages >> >> > requiring it are not built anymore for EL6 >> >> > >> >> >> >> Well that was a piece of information you forgot to mention in your >> >> initial >> >> email. So now I am not entirely sure what you are trying to do. Are you >> >> trying >> >> to save your existing VMs when you reinstall your machine? >> >> >> >> >> >> > On Mon, Feb 15, 2016 at 3:37 PM, Alexander Wels <awels(a)redhat.com&gt; >> >> > wrote: >> >> > > On Monday, February 15, 2016 02:40:47 PM Johan Kooijman wrote: >> >> > > > Hi, >> >> > > > >> >> > > > Can anybody recommend me best practice upgrade path for an >> >> > > > upgrade >> >> > > > from >> >> > > > oVirt 3.5 on C6 to 3.6 on C7.2? >> >> > > >> >> > > The answer sort of depends on what you want. Do you want no >> >> > > downtime >> >> > > on >> >> > > your >> >> > > VMs or is downtime acceptable. Also are you running hosted engine >> >> > > or >> >> > > not? >> >> > > >> >> > > This is the basic plan which can be adjusted based on what your >> >> > > needs >> >> > > are: >> >> > > >> >> > > 1. Update engine from 3.5 to 3.6 (if hosted engine might be >> >> > > trickier, >> >> > > not >> >> > > sure >> >> > > haven't played with hosted engine). >> >> > > 2. Create a new 3.6 cluster. >> >> > > 3. Put 1 host in maintenance (which will migrate the VMs to the >> >> > > other >> >> > > hosts). >> >> > > 4. Remove the host from the DC. >> >> > > 5. Install C7.2 on the host >> >> > > 6. Add that host to the new 3.6 cluster. >> >> > > 7. Optional (you can cross cluster live migrate some VMs from 6 to >> >> > > 7 >> >> > > (just >> >> > > not >> >> > > the other way around, so once the VM is moved its stuck in the new >> >> > > cluster). >> >> > > 8. Go to 3 until all hosts are moved. >> >> > > 9. Your 3.5 cluster should now be empty, and can be removed. >> >> > > 10. Upgrade your DC to 3.6 (Can't upgrade if any lower clusters >> >> > > exist). >> >> > > >> >> > > If you can have downtime, then just shut down the VMs running on >> >> > > the >> >> > > host >> >> > > in >> >> > > step 3 before putting it in maintenance. Once the host is moved to >> >> > > the >> >> > > new >> >> > > cluster you can start the VMs. >> >> > > >> >> > > Alexander >> >> > > _______________________________________________ >> >> > > Users mailing list >> >> > > Users(a)ovirt.org >> >> > > http://lists.ovirt.org/mailman/listinfo/users >> >> >> > >> > >> > >> > -- >> > Met vriendelijke groeten / With kind regards, >> > Johan Kooijman >> > >> > _______________________________________________ >> > Users mailing list >> > Users(a)ovirt.org >> > http://lists.ovirt.org/mailman/listinfo/users >> > >> >> >> >> -- >> Didi > > > > > -- > Met vriendelijke groeten / With kind regards, > Johan Kooijman -- Didi