[Pacemaker] 1.1.8 not compatible with 1.1.7?

[Andrew Beekhof]

On 15/04/2013, at 7:08 PM, Pavlos Parissis <pavlos.parissis at gmail.com> wrote:

> Hoi,
> 
> I upgraded 1st node and here are the logs
> https://dl.dropboxusercontent.com/u/1773878/pacemaker-issue/node1.debuglog
> https://dl.dropboxusercontent.com/u/1773878/pacemaker-issue/node2.debuglog
> 
> Enabling tracing on the mentioned functions didn't give at least to me any more information.

10:22:08 pacemakerd[53588]:   notice: crm_add_logfile: Additional logging available in /var/log/pacemaker.log

Thats the file(s) we need :)

> 
> Cheers,
> Pavlos
> 
> 
> On 15 April 2013 01:42, Andrew Beekhof <andrew at beekhof.net> wrote:
> 
> On 15/04/2013, at 7:31 AM, Pavlos Parissis <pavlos.parissis at 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
> >
> >
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> 
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