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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