Open Stack

On 11/24/2017 10:23 AM, Julia Kreger wrote:
> Greetings Michael,
>
> I believe It would need to involve multiple machines at the same time.
>
> I guess there are two different approaches that I think _could_ be
> taken to facilitate this:
>
> 1) Provide a facility to use a specific volume as the "golden volume"
> to boot up for IPA, and then initiate copies of that volume. The
> downside that I see is the act of either copying the volume, or
> presenting a snapshot of it that will be deleted a little later. I
> think that is really going to depend on the back-end, and if the
> backend can handle it or not. :\

Don't most reasonable backends support copy-on-write for volumes?  If they do, 
then creating a mostly-read copy of the volume should be low-overhead.

Chris