On 2011-07-07 11:59, James Smith wrote: > Hi, > > Summary: Two node cluster running DRBD, IET with a floating IP and stonith > enabled. > > All this works well, I can kernel panic the machine, kill individual PIDs > (for example IET) > which then invoke failover. However, when I forkbomb the master, nothing > happens. > The box is dead, the services stop responding etc, but pacemaker does not > recognise > this and therefore failover does not occur. > > Very occasionally it will fence and invoke failover after several minutes or > even longer, > which is no good at all. > > To me, it seems extremely odd pacemaker itself does not automatically > incorporate system > health checks that can detect such a scenario. I've raised this a couple of > times, but the > suggestion is to run watchdog or create an RA to do resource checking. > Watchdog certainly > does its job and is easy to configure, but this seems flawed to me.
Please refer to: http://www.gossamer-threads.com/lists/linuxha/pacemaker/70081#70081 Cheers, Florian
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