On 15/04/2013, at 7:31 AM, Pavlos Parissis <pavlos.paris...@gmail.com> wrote:
> On 12/04/2013 09:37 μμ, Pavlos Parissis wrote: >> Hoi, >> >> As I wrote to another post[1] I failed to upgrade to 1.1.8 for a 2 node >> cluster. >> >> Before the upgrade process both nodes are using CentOS 6.3, corosync >> 1.4.1-7 and pacemaker-1.1.7. >> >> I followed the rolling upgrade process, so I stopped pacemaker and then >> corosync on node1 and upgraded to CentOS 6.4. The OS upgrade upgrades >> also pacemaker to 1.1.8-7 and corosync to 1.4.1-15. >> The upgrade of rpms went smoothly as I knew about the crmsh issue so I >> made sure I had crmsh rpm on my repos. >> >> Corosync started without any problems and both nodes could see each >> other[2]. But for some reason node2 failed to receive a reply on join >> offer from node1 and node1 never joined the cluster. Node1 formed a new >> cluster as it never got an reply from node2, so I ended up with a >> split-brain situation. >> >> Logs of node1 can be found here >> https://dl.dropboxusercontent.com/u/1773878/pacemaker-issue/node1.log >> and of node2 here >> https://dl.dropboxusercontent.com/u/1773878/pacemaker-issue/node2.log >> > > Doing a Disconnect & Reattach upgrade of both nodes at the same time > brings me a working 1.1.8 cluster. Any attempt to make a 1.1.8 node to > join a cluster with a 1.1.7 failed. There wasn't enough detail in the logs to suggest a solution, but if you add the following to /etc/sysconfig/pacemaker and re-test, it might shed some additional light on the problem. export PCMK_trace_functions=ais_dispatch_message Certainly there was no intention to make them incompatible. > > Cheers, > Pavlos > > > _______________________________________________ > 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 _______________________________________________ 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
