Open Stack

Hi,

There is an option in nova to evacuate host. Triggering this will rebuild
all the vms running on failed host to be scheduled on other host or
reserved host.

You can also try Openstack Masakri that is the instance HA service for
openstack.

Ammad

On Fri, Jun 11, 2021 at 9:28 PM <DHilsbos at performair.com> wrote:

> All;
>
> What is the most effective means of having the OpenStack cluster restart
> guests when a hypervisor host fails?  We're running OpenStack Victoria,
> installed manually through packages.
>
> My apologies, but my Google foo fails me on this issue; I don't know how
> to ask it the question.
>
> I recognize that OpenStack covers a great many different deployment
> scenarios, and in many of these this isn't feasible.  In our case, images,
> volumes, and ephemeral storage are all on our Ceph cluster, so all storage
> is always available to all hypervisor hosts.
>
> I also recognize that resource restrictions mean that even in an
> environment such as mine, not all failed guests may be able to be restarted
> on new hosts.  I'm ok with a dumb best effort, at least for now.
>
> Is there something already present in OpenStack which would allow this?
>
> Thank you,
>
> Dominic L. Hilsbos, MBA
> Vice President - Information Technology
> Perform Air International Inc.
> DHilsbos at PerformAir.com
> www.PerformAir.com
>
>
> --
Regards,


Syed Ammad Ali
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