[Pacemaker] Maintenance Mode Pacemaker

Andrew Beekhof andrew at beekhof.net
Thu Jan 10 18:35:04 EST 2013

On Fri, Jan 11, 2013 at 8:36 AM, Christian Gebler
<geblerchristian at googlemail.com> wrote:
> Hi,
> today i recognized a strange Pacemaker behavior at one of my Cluster-Server.
> I needed to do some work on the services so i just wanted to prevent the
> services from migrating to the other node and switched Pacemaker into the
> maintenance mode:
> # crm configure property maintenance-mode=true
> After my work was done, i switched it back with the "false" value.
> Now i wanted to test Pacemaker and killed one of my services.
> But Pacemaker didn't recognized it and migrate nothing...the service was
> still listed as "Running", i tried it with two other services on the node,
> but the same result. The service was not listed in the process-list and the
> initscript-status returned a false value,, so the service was really dead.
> It looked like Pacemaker was still in maintenance mode, but it wasn't. In
> the crm-config the maintenance mode was set as "false".
> After a restart of Pacemaker and Corosync it works fine (restart or
> migration of service).
> Now i switched back to maintenance mode again, and turned it off again. Same
> result...Pacemaker recognize nothing.
> Now my question....is this how the maintenance mode should work and i
> misunderstood something? ;) Or is it a bug or something else?

Pretty sure its a bug we fixed recently.  Which version of pacemaker is this?

> I use the ubuntu-server 12.04 LTS version, with updated Packages.
> thx
> chris
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