Hi Dima, >> With only two nodes comprising the cluster I believe a quorum is >> impossible, so I've set no-quorum-policy to 'ignore'. However I was >> wondering if there is a possibility of using one or more 'tie breaker' >> devices/resources to determine a proper quorum? I _think_ I've seen >> mention of such a thing in passing in this list; I'm not sure. > > I simply grep for 'link detected' in the output of `ethtool eth0` -- if > it's not there, the node is off-line and can shoot itself. (Although I > don't do that: it's off the net, it's not bothering anyone, and I have > nagios elsewhere monitoring the hosts. If the link comes back on its > own, that could cause a problem, but that hasn't happened to me yet.)
I imagine other things could block network connectivity for one of the nodes, outside of the machine itself - a switch or hub failure? Which wouldn't be detected by running ethtool locally. But it's a good check to run regardless, thanks! _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
