On 07/23/2012 10:24 AM, Frank Van Damme wrote: > Hello, > > I had an interesting conversation on irc about clustering and fencing, > and I was told it is possible to delay the triggering of a stonith > action by a number of seconds. I searched, but I can't really find how > to configure it. > > (The problem I am trying to solve is that the nodes in a two-node > cluster run the risk of killing each other if connectivity is lost. > Stonith takes a bit of time to execute - I'm using external/ipmi to > reset nodes and it seems that his action is the equivalent of holding > down the power button, which takes four seconds, during which the > other machine has time to start fencing the first node.)
You are using stonith-aciton="poweroff" with external/ipmi? That would explain this 4s during which the System does a powerdown caught by acpid. Use stonith-aciton="reset" when using external/ipmi ... this should bring down the STONITH target nearly immediately, whithout acpid taking notice. Regards, Andreas -- Need help with Pacemaker? http://www.hastexo.com/now
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