[Pacemaker] Preventing resource from becoming inactive

Dejan Muhamedagic dejanmm at fastmail.fm
Tue Aug 10 10:45:51 UTC 2010


Hi,

On Tue, Aug 10, 2010 at 07:56:47AM +0200, Torsten Bronger wrote:
> Hallöchen!
> 
> Sometimes Pacemaker just switches off my Lighttpd.

How do you mean "just switches off"?

> It becomes
> inactive and is never reanimated. Only restarting the Heartbeat
> service helps.  How can I tell Pacemaker to retry to restart
> lighttpd without ever giving up?

As soon as the migration-threshold is reached, the resource
cannot be started again on that node until the failcount is
cleared. Is that what you're seeing?

Thanks,

Dejan

> Since I use Lighty as a load balancer, it is tied with my public
> IP.  I suspect that pingd is non-working in the exact instance
> Lighty is set to "inactive".
> 
> primitive Public-IP ocf:heartbeat:IPaddr2 \
>        params ip="134.94.252.127" broadcast="134.94.253.255" \
> 	   nic="eht0" cidr_netmask="23" \
>        op monitor interval="60s" timeout="10s" \
>        meta migration-threshold="10"
> primitive lighty lsb:lighttpd \
>        op monitor interval="60s" timeout="30s" on-fail="restart" \
>        op start interval="0" timeout="60s" \
>        meta migration-threshold="3" failure-timeout="30s" \
> 	   target-role="Started"
> primitive pingd ocf:pacemaker:pingd \
>        params host_list="134.94.111.186" multiplier="100" \
>        op monitor interval="15s" timeout="20s"
> group lighty_group Public-IP lighty
> clone pingclone pingd meta globally-unique="false"
> location lighty-on-connected-node lighty_group \
>        rule $id="lighty-on-connected-node-rule" -inf: not_defined pingd or pingd lte 0
> 
> Tschö,
> Torsten.
> 
> -- 
> Torsten Bronger, aquisgrana, europa vetus
>                    Jabber ID: torsten.bronger at jabber.rwth-aachen.de
>                                   or http://bronger-jmp.appspot.com
> 
> 
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