[Pacemaker] Pacemaker cluster with different operating systems

[Andrew Beekhof]

On Thu, Mar 7, 2013 at 4:09 PM, Osman Findik <Osman.Findik at telenity.com> wrote:
> Hi all,
> We are using pacemaker with RHEL 6.2 successfully to manage pair of MySQL databases. Pacemaker is coming from Red Hat High Availability Add-on. Its version is 1.1.6
> Our need is to add an observer to this cluster but our existing servers are all RHEL 5.x servers. We could not locate same version of pacemaker in clusterlabs repo.
> So we tried to install provided rpms from clusterlabs repo to RHEL 5.5 and RHEL 6.2 servers.
> Provided rpm version for RHEL 5 is pacemaker 1.1.8.2.
> Provided rpm version for RHEL 6 is pacemaker 1.1.8.4.
>
> In this setup although servers are members of the cluster over corosync, they could not see each other from pacemaker.
> I also tried to install 1.1.8.1 rpm packages in order to use same pacemaker releases, but that is also failed.
>
> Before giving details of the errors, my question is do you think a hybrid setup with different OSs (RHEL 5.x and RHEL 6.x) is possible?

It should be.
You're using the pacemaker plugin for corosync?