[Pacemaker] "No respawn" for cluster resources

Andrew Beekhof andrew at beekhof.net
Sun Jul 29 23:30:56 UTC 2012


On Sat, Jul 28, 2012 at 12:25 AM, Stallmann, Andreas
<AStallmann at conet.de> wrote:
> Hi there!
>
>
>
> I just asked a few hours ago:
>
>
>
> Ø  Is there a way to stop crm/pacemaker from doing that (an automatic
> respawn of a resource)?
>
>
>
> Thing is: This “automatic respawn” does not happen for our mysql m/s
> resource (using the MySQL resource Script from Yves / Percona). We tried
> several things, but anything we did was futile, yet.
>

on-fail=block for the monitor action will prevent automated respawn

>
> Still, if tomcat is killed, crm tries to restart tomcat on the same node. We
> don’t want that.

migration-threshold=1

>
>
>
> Perhaps you might want to have a look at our configuration and at the script
> itself. It’s an extension to the regular tomcat resource agent found in the
> distributions.
>
>
>
> We modified it in a way, that it is able to control (promote / demote) a
> java web application. This is done through “wget” to a certain URL. The
> monitoring is done by a script that simulates direct access to the API of
> our application (javaapp-ocf-monitor.sh).
>
>
>
> If you have any ideas or questions (sometimes questions are equally
> helpful), fire away and let us know. I’ll try to answer any questions
> arising, as far as they concern our configuration and the resource agent
> (but I’m useless as soon as the application itself is concernend).
>
>
>
> Because of the length of script and config, I pasted them to pastebin.
> You’ll find them here:
>
>
>
> Agent: http://pastebin.com/DgpjbRqM
>
> Config: http://pastebin.com/CXD1BDsq
>
>
>
> Cheers, thanks in advance and have a nice weekend,
>
>
>
> Andreas
>
> PS: If the tomcat m/s-agent will ever be finished, would it be relevant
> enough to be contributed to the community, what do you think? If yes, let me
> know how.
>
>
>
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