On 31 Jan 2014, at 2:15 am, Michael Monette <mmone...@2keys.ca> wrote:
> Hello, > > I am coming up short in my searches, but I don't know exactly what I am > searching for, hoping someone could point me in the right direction. > > I have Pacemaker setup in active/passive on my Email server. The systems are > in sync using DRBD. > > When there is a failure on node-1, everything fails over to node-2 and vice > versa. Everything actually works great. > > I have the mail servers sitting behind a proxy, which is also the MTA. The > problem is, whenever the mailstores failover, there is a persistent > connection going from the Proxy -> Mailstore that breaks, and any > incoming/outgoing mail cannot be delivered even though the email server is > back up. To fix this, I need to SSH into the proxy and restart the proxy > services to re-establish that persistent connection. You could create a new resource (script + definition in pacemaker) which does the ssh part in it start action (and set up a constraint the forces the new resource to restart when the MTA does). Or you could bring the proxy into the cluster and have the proxy services managed by pacemaker. > > Is there any way to include this as part of the failover in PaceMaker? > > Something like: > > <**Failure occured on mail-1**> > mount DRBD resources on mail-2 > Assign the failover-ip to mail-2 > Start the email server on mail-2 > SSH into the proxy and restart the proxy service (From mail-2 using keys) > > I am researching ways within the application itself to fix this problem, but > no luck yet. > > Thanks for any help, > > Mike > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org
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