[Pacemaker] 1.1.10 rc7 + final strange behaviour

Andrew Beekhof andrew at beekhof.net
Wed Jul 31 06:18:24 EDT 2013


On 31/07/2013, at 6:57 PM, Johan Huysmans <johan.huysmans at inuits.be> wrote:

> 
> On 31-07-13 03:33, Andrew Beekhof wrote:
>> On 30/07/2013, at 12:29 AM, Johan Huysmans <johan.huysmans at inuits.be> wrote:
>> 
>>> Hi,
>>> 
>>> I was testing the latest rc7 and the final version of 1.1.10.
>>> 
>>> My test is the combination of cloned resources and 1 resource group containing constraints that the resource group can only run on a node where the cloned resource is running
>>> 
>>> With a 1 node setup everything works ok.
>> Are you sure about that?
>> You've configured both on-fail=block (do nothing) and an aggressive failure-timeout (pretend the failure never happened after 10s).
> Yes,
> For on-fail=block cloned resources the failure-timeout is ignored as it will only recover when the check is ok again.

No, it wont recover at all.

"pretend the failure never happened after 10s"

>> 
>>> Triggering a failure in the cloned resource triggered a stop of the resource group.
>>> Recovering the failure in the cloned resource triggered a recovery of the group.
>>> 
>>> I added my other node, and performed the same failure.
>>> However here strange things happened.
>>> The failure is not correctly shown in crm_mon. A failing resource can be shown as ok and and when it is recovered it can be shown a failing.
>>> The resource group is still running on the node of the cluster where the cloned resource is failing, however this should failover.
>>> 
>>> It seems that something got broken in one of the latest rc's as this did work.
>>> 
>>> 
>>> I included in a crm_report of the moment where a cloned resource failed.
>>> 
>>> Greetings,
>>> Johan
>>> <pcmk-Mon-29-Jul-2013.tar.bz2>_______________________________________________
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>> 
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>> Bugs: http://bugs.clusterlabs.org
> 
> 
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