Open Stack

On 02/22/2016 05:38 AM, Yngvi Páll Þorfinnsson wrote:
> Hi
>
> I want to stop instances from beeing created on one of our compute
> nodes, i.e. „*compute1*“
>
> But I want all current instances on *compute1* to be active and available.
>
> I thus disable the nova service for this node:
>
> # nova service-disable *compute1* nova-compute
>
> Nova status of *compute1* will then be disabled.
>
> But the state of *compute1* will still be UP.
>
> */My question is:/*
>
> What about the current instances on this compute node?
>
> Will they still be active and available?

Yep. :)

That nova compute node will simply be removed from future scheduling 
until you re-enable the service. Otherwise, there is no other effect.

Best,
-jay