[Pacemaker] Run only one resource per node?

[Andrew Beekhof]

On Thu, Jul 16, 2009 at 4:06 AM, <lists at unimitated.com> wrote:
> Hello all, I've been trying to set my cluster up so that no two resources
> run on the same node together (i.e. each node in the cluster runs one and
> only one resource and if there are not enough nodes something does not run).
>  Is it possible to easily do this with colocation constraints or some other
> way?  I see how to tell pacemaker that two resources should not run together
> but I am not sure how to expand that to many resources without having to
> specify a constraint for each resource against every other resource.  Thanks
> for any help getting this going.

Basically you need to enumerate every combination.  Its not pretty.
One day we'll finally get a chance to implement something to make it
easy - we know how we want to do it, we've just not had the time.