On Mon, Jun 12, 2017 at 12:17 PM, James <james@jloh.co> wrote:

We recently moved our oVirt cluster from 4.0 to 4.1 and have migrated
all the hosts. The datacenter currently has a compatability setting of
4.1 but the cluster is still on 4.0. As cross-cluster migrations has
been removed (no option anymore?) we aren't 100% sure how to get the
cluster onto 4.1 whilst keeping the VMs online. Do we just change the
compatibility version live and it "just works" or do we have to have
downtime?

yes, you just change the compatibility version. The VMs which are down will be automatically updated and work with the new cluster, the running ones will be marked with a "triangle" icon and will be automatically updated on restart of them.

Any info would be great!

Regards,
James
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