[Pacemaker] Dependent resources

[Andrew Beekhof]

On Thu, Jun 3, 2010 at 8:46 PM, Schaefer, Diane E
<diane.schaefer at unisys.com> wrote:
> Hi,
>
>
>
> I have a parent resource(A) with two others that depend on it (B, C).  The
> resources of B and C will not run if A is not running.  I would like to
> monitor B and C in addition to A for availability.
>
>
>
> I defined collocation and order constraints as follows
>
> colocation colocation-A-B inf: B A
>
> colocation colocation-C-A inf: C A
>
> order order-B inf: A:start B:start
>
> order order-C inf:A:start C:start
>
>
>
> I appear to get deadlocked.  Here is the sequence…
>
> Monitor of A reports OK
>
> A goes down – causes B and C to also fail.
>
> Monitor of B reports not running.
>
> Start of B fails since A not running.
>
> Monitor of A reports not running.
>
> Start of B continues to try but never succeeds since A is not running.
>
>
>
> I see A continues to be monitored but no action taken.  The cluster seems
> fixed on trying to start B first.
>
>
>
> Any suggestions?
>

Not without the rest of your config or logs I'm afraid