On Fri, Feb 8, 2019 at 12:20 PM Manny SyS <mannysys(a)outlook.com> wrote:
I have to deal with this oVirt 4.2 cluster, 4 nodes.
It seems someone smartly deleted hosted engine vm... how cool... so, all
the VMs are still running, but no cluster management anymore :-).
It's a testing environment, no hosted engine backup.
I have no problems reinstalling the cluster... but I'd love to rescue the
VMs... so I'm trying to understand what options I do have, so I ask you
please if you have some hints, or maybe links to the right documentation.
- ssh to any ovirt cluster node and export the vms with virsh? possible?
- ssh to any ovirt cluster node and live migrate all the vms on one node?
so that I can reinstall a new cluster on the freed nodes? Wondering which
one is the correct path to do this... btw, virsh only works in readonly in
ovirt cluster nodes
- it's a testing environment, so I could shutdown everything, reinstall a
new cluster, reconnect the old storage to the new cluster... question is,
how to reimport all the vms in the new cluster.
Please any suggestions?
If you don't have any backup of the hosted-engine VM, the best think you
could do is deploy hosted-engine from scratch and when you have the new
engine manually re-import the previous hosts and the previous datacenter.
I think that you should be able to do it even with running VMs but if you
want to be on the safest side I suggest to manually shutdown all the VMs
before the migration.
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