[Openais] resource restart

[Andrew Beekhof]

On Wed, Mar 3, 2010 at 8:21 AM, Haussecker, Armin
<armin.haussecker at ts.fujitsu.com> wrote:
> Hi,
>
> we have an openais cluster consisting of two nodes, a resource is started on
> first node, and this resource should remain on first node by suitable
> location constraint, and also it should be started on the same node as
> another resource by colocation constraint.
>
> If the resource is stopped, and afterwards started again, we can see that
> first it is started on second node, and afterwards stopped on second node
> and restarted on first node again. So, finally everything seems to work
> correctly.
>
> But, how can we avoid that the resource is started on second node and
> afterwards stopped on second node and started on first node ?? If the
> resource is stopped on first node, and afterwards started again, it should
> be immediately restarted on first node and not started and stopped on second
> node in the meantime.

It depends on a number of things, the most important of which is the
monitor function of your resource.
If it returns 7 (ie. safely stopped), then the cluster has no reason
to put it back on the first node.
Also related is resource-stickiness