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? On Tue, Feb 16, 2016 at 8:45 AM, Yedidyah Bar David <[email protected]> wrote: > On Tue, Feb 16, 2016 at 9:30 AM, Johan Kooijman <[email protected]> > 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 <[email protected]> > 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 <[email protected]> > >> > 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 > >> > > [email protected] > >> > > http://lists.ovirt.org/mailman/listinfo/users > >> > > > > > > > > -- > > Met vriendelijke groeten / With kind regards, > > Johan Kooijman > > > > _______________________________________________ > > Users mailing list > > [email protected] > > http://lists.ovirt.org/mailman/listinfo/users > > > > > > -- > Didi > -- Met vriendelijke groeten / With kind regards, Johan Kooijman
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