Open Stack

I think the first steps here would be to either file a bug, or a
blueprint. Blueprint seems better because this is probably more than a
couple of lines of code and has some interesting operational impacts.

Cheers,
Michael

On Fri, Nov 8, 2013 at 7:15 AM, Chris Friesen
<chris.friesen at windriver.com> wrote:
> On 11/07/2013 01:56 PM, Daniel Speichert wrote:
>>
>> There is compute_nodes file in /var/lib/nova/instances with the
>> hostnames of all compute nodes using that storage so it should be
>> possible and easy to figure out if that is a shared storage or not.
>
>
> Presumably this wouldn't help if you've only configured one compute node in
> the system so far but plan on adding more.
>
> Also, this doesn't handle the "nova host-evacuate" case with a mix of local
> and shared storage.
>
> If we were going to put a shared-storage entry in /etc/nova/nova.conf, maybe
> it would make sense to give it a name as well....that way you could indicate
> that a subset of machines share instance storage, and the scheduler could
> limit itself to attempting migration/evacuation to other compute nodes that
> use the same shared storage.
>
> Chris
>
>
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