[Pacemaker] Monitor process, migrate only ip resources

Grant Bagdasarian GB at cm.nl
Wed Feb 20 10:07:16 UTC 2013


I'll go for the automatic solution.
Thanks for the help. 

-----Original Message-----
From: Andrew Beekhof [mailto:andrew at beekhof.net] 
Sent: Wednesday, February 20, 2013 10:50 AM
To: The Pacemaker cluster resource manager
Subject: Re: [Pacemaker] Monitor process, migrate only ip resources

On Wed, Feb 20, 2013 at 8:07 PM, Grant Bagdasarian <GB at cm.nl> wrote:
> Yes, you are correct. I manually stopped kamailio and messed with its config script so it would not start again.
> The resources were migrated to the secondary node =). Awesome piece of software!
>
> So in theory I now have a broken primary server which I should fix. Once fixed, how will the resources be migrated back to the primary again? Does heartbeat take care of this or do I need to instruct heartbeat to do stuff?

You can either clear the error manually (crmsh has a cleanup command) or set failure-timeout to have the cluster do it automagically after a period of time.

>
> -----Original Message-----
> From: Florian Crouzat [mailto:gentoo at floriancrouzat.net]
> Sent: Wednesday, February 20, 2013 9:46 AM
> To: pacemaker at oss.clusterlabs.org
> Subject: Re: [Pacemaker] Monitor process, migrate only ip resources
>
> Le 20/02/2013 09:07, Grant Bagdasarian a écrit :
>> 3)When I only stop the kamailio process on the primary node, the 
>> process is restarted again. Which is also good, but I thought it 
>> would migrate everything to the secondary node when the kamailio process stopped.
>>
>
> Pacemaker always tries to restart a failed resources on it's original hosting node.
> Only if it fails to do so it will migrate the resource(s) to another node.
>
>> If there is something wrong on the primary node which causes the 
>> kamailio process to keep crashing and restarting, it could be a 
>> hazard for our production environment.
>>
>
> I guess the question is: is failcount incremented when a failed 
> resource
> *is* restarted on the same node and no transition occurs .
>
>
> --
> Cheers,
> Florian Crouzat
>
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