On Fri, Apr 12, 2019 at 10:18 PM Alex K <rightkicktech(a)gmail.com> wrote:
On Fri, Apr 12, 2019, 12:53 Andreas Elvers <
andreas.elvers+ovirtforum(a)solutions.work> wrote:
> I am wondering whether global maintenance inhibits fencing of
> non-responsive hosts. Is this so?
>
> Background: I plan on migrating the engine from one cluster to another. I
> understand this means to backup/restore the engine. While migrating the
> engine it is shut down and all VMs will continue running. This is good.
> When starting the engine in the new location, I really don't want the
> engine to fence any host on its own, because of reasons I can not yet know.
>
> So is global maintenance enough to suppress fencing, or do I have to
> deactivate fencing on all hosts?
>
Global maintenance disables fencing.
This is not really true;
on the other side on the automated restore flow we are also automatically
disabling the fencing mechanism exactly for the reason that Andreas
mentioned:
https://github.com/oVirt/ovirt-ansible-hosted-engine-setup/blob/master/ta...
Fencing will be automatically re-enabled at the end of the restore process
when we are sure that the just restored engine is correctly working.
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