Open Stack

On 07/15/2016 06:03 PM, Frank Ritchie wrote:
> Hi all,
>
> Is it possible with the OpenStack or Nova CLI to add an existing instance to an
> existing Nova Scheduler
> server group?

No.  This has been proposed a number of times over the years but has never been 
accepted.  I believe the problem is mainly how to handle the case where the 
instance does not currently meet the scheduling policy of the group.

> If not, is there any harm in manually adding the instance to the server group in
> the database?

There's more than one thing that needs to be modified in the database if you 
want to do it "right", so that things like migration/evacuation/resize work 
properly.

Chris