[Pacemaker] Nodes with different pacemaker version

[Pawel Warowny]

Hi

I need to migrate my cluster from Debian Squeeze to Redhat 6.0
There were 2 nodes, so I migrated all resources to node_1 and on the
second node I installed redhat and configured cluster
The first problem - after starting new redhat node_2 - node_1 with
debian is dying with logs:

Jun 07 14:30:54 tosia attrd: [2007]: ERROR: ais_dispatch: Receiving message body failed: (2) Library error: Resource temporarily unavailable (11)
Jun 07 14:30:54 tosia attrd: [2007]: ERROR: ais_dispatch: AIS connection failed
Jun 07 14:30:54 tosia stonithd: [2004]: ERROR: ais_dispatch: AIS connection failed
Jun 07 14:30:54 tosia attrd: [2007]: CRIT: attrd_ais_destroy: Lost connection to OpenAIS service!
Jun 07 14:30:54 tosia stonithd: [2004]: ERROR: AIS connection terminated
Jun 07 14:30:54 tosia attrd: [2007]: info: main: Exiting...
Jun 07 14:30:54 tosia attrd: [2007]: ERROR: attrd_cib_connection_destroy: Connection to the CIB terminated...
[cut]

So I upgraded corosync package on node_1 from debian backports and
after this node_2 doesn't kill node_1, but nodes don't see each other.

Is there any solution to create 2 node cluster with different
corosync&pacemaker version on each node so I can migrate resources
fluently between them?

node_1 (debian squeeze):
pacemaker: 1.0.9 
corosync: 1.2.1 and after upgrade form backports 1.3.0

node_2 (redhat 6.0)
pacemaker: 1.1.2
corosync: 1.2.3

Best regards.

-- 
Pawel Warowny
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