Dejan Muhamedagic escribió: > Hi, > > On Tue, Jan 20, 2009 at 04:14:00PM +0100, Adrian Chapela wrote: > >> Dejan Muhamedagic escribi?: >> >>> Hi, >>> >>> On Mon, Jan 19, 2009 at 08:00:50PM +0100, Adrian Chapela wrote: >>> >>> >>>> Hello! >>>> >>>> I am thinking again on the stonith. IPMI could be an option, but is it >>>> really a good option for production ? What happen if the network break >>>> down ? >>>> >>>> >>> You need to provide different paths for the heartbeat and >>> connection to the ipmi devices. >>> >>> Also, make your power supply resilient: if a node loses power, >>> the ipmi device will be dead too, and your cluster will wait >>> forever for the fencing to succeed. >>> >>> >> Ok, but what about a kernel panic ? when the OS hungs up the other node >> can't know what is happening on the node that is hunged up. I am >> thinking on this situation. >> > > The state of host OS doesn't influence the ipmi (lights-out) > device. As long as the node has power and the network connection > to the ipmi device works, you should be ok. > OK, they used the lights-out interface... OK....
> Thanks, > > Dejan > > >> Of course the two node will have RAID, >> redundant network (with bonding) and redundant power supplies but there >> is an option to have a split brain with a node hunged up, what do you >> think about this ? >> >>> >>> >>>> Is totally resolved the split brain ? Have you tested with HP >>>> Proliant Servers ? >>>> >>>> >>> I think that people use ipmi with proliants. >>> >>> Thanks, >>> >>> Dejan >>> >>> >>> >>>> Thank you! >>>> >>>> _______________________________________________ >>>> Pacemaker mailing list >>>> Pacemaker@oss.clusterlabs.org >>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >>>> >>>> >>> _______________________________________________ >>> Pacemaker mailing list >>> Pacemaker@oss.clusterlabs.org >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >>> >>> >>> >> _______________________________________________ >> Pacemaker mailing list >> Pacemaker@oss.clusterlabs.org >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >> > > _______________________________________________ > Pacemaker mailing list > Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > _______________________________________________ Pacemaker mailing list Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker