6:42 a.m.
This should be implemented in 4.2.3 and newer. There are more details in
the RFE bugzilla:
https://bugzilla.redhat.com/show_bug.cgi?id=1334982
I have never tested it :)
On 7/6/21 1:29 PM, Sandro Bonazzola wrote:
Il giorno mar 6 lug 2021 alle ore 13:03 Nir Soffer <nsoffer(a)redhat.com
<mailto:nsoffer@redhat.com>> ha scritto:
On Tue, Jul 6, 2021 at 1:11 PM Nathanaël Blanchet
<blanchet(a)abes.fr <mailto:blanchet@abes.fr>> wrote:
> We are installing UPS powerchute client on hypervisors.
>
> What is the default vms behaviour of running vms when an
hypervisor is
> ordered to shutdown: do the vms live migrate or do they shutdown
> properly (even the restart on an other host because of HA) ?
In general VMs are not restarted after an unexpected shutdown, but
HA VMs
are restarted after failures.
If the HA VM has a lease, it can restart safely on another host
regardless of
the original host status. If the HA VM does not have a lease, the
system must
wait until the original host is up again to check if the VM is still
running on this
host.
Arik can add more details on this.
I think the question is not related to what happens after the host is
back.
I think the question is what happens when the host goes down.
To me, the right way to shutdown a host is putting it first to
maintenance (VM evacuate to other hosts) and then shutdown.
On emergency shutdown without moving the host to maintenance first I
think libvirt is communicating the host is going down to the guests
and tries to cleanly shutdown vms while the host is going down.
Arik please confirm :-)
Nir
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