I've been wanting this for some time now and expecting pacemaker would include
it in it's newer versions. But I've checked the latest pacemaker 1.0
distribution fresh of the day, and unfortunately have found nothing in it
indicating if this is possible.
- Running a HAv2 or Openais cluster,
- with a valid configured resource instance,
- whether that resource is running properly, or not running at all, or limping
on 3 or less legs,
- under the 'root' account,
- from the shell of a node in that cluster,
.... what command should I type to cause the cluster to perform a "monitor"
operation at a specific check level on that resource, and return the
appropriate OCF status of the operation, *without* the cluster reacting like
triggering a failover ?
I'd love to see something like:
# crm_resource -m check_level resource_id
..
< everything 'echo'ed by the monitor operation >
..
Resource 'resource_id' is (running normally / in a failed or undeterminable
state / cleanly stopped).
#
.... and $? holding the OCF_status of the monitor operation.
And eventually ...
# crm_resource -m check_level -h comma-separated-host-id-list resource_id
And BTW, exactly what criteria does crm_resource -W' uses to say if a resource
is running or not ?
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