[ovirt-users] Affinity/HA for a set of VMs

Doron Fediuck dfediuck at redhat.com
Wed Dec 14 08:12:26 UTC 2016


On Wed, Dec 14, 2016 at 9:23 AM, Yedidyah Bar David <didi at redhat.com> wrote:

> On Wed, Dec 14, 2016 at 9:02 AM, TranceWorldLogic .
> <tranceworldlogic at gmail.com> wrote:
> > Hi,
> >
> > I was trying to explore more about fencing option supported in ovirt.
> > But getting lost in documents.
> >
> > My requirement is to fence at VM level rather than host level.
>
> I am pretty certain that this is not called fencing. Fencing is for hosts.
> And it's meant for _stopping_ them, not starting.
>
> > e.g let assume VM1.1, VM1.2,VM1.3 are running on host1 and VM2.1,VM2.2
> VM2.3
> > running on host2. Suppose due to some error only VM1.1 goes down [Note:
> > VM1.2 and VM1.3 in running state] then VM2.1 must come up.
> >
> > Can I get to know whether such functionality is supported by ovirt ?
> > If yes, would you please explain also how it work
> >           or would you share refernece for me to refer and understand it
> ?
> > if yes, is it configurable by python sdk ?
>
> No idea, but it might be possible using affinity rules and/or HA.
> Changing the subject, to try to attract more relevant responses,
> and adding Tomer.
>
> Best,
> --
> Didi
>
>
>
Hi,
are you referring to storage based fencing?
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