Hi, On Wed, Apr 27, 2011 at 12:15:02PM +0200, Ulf wrote: > Hi, > > I won't call it akademic curiosity. > Let's say you have two rooms with a distance of 5km. In theory both network > connections are completly independent, but in real live there are a lot of > possible reasons, why they are not independent. > It might be just a human errors or a technical problem like a running > spanning tree. > > In theses cases it is very helpful to have a technical independent solution > like heartbeat over fibre channel disk to avoid a split brain.
I think that you can run IP over fibre. Though I can't recall anymore if I ever tried to use that or that somebody reported using it here. > I'd like to have the idepentend way to prevent a split brain situation. > The network technology is one technology (even with redundant connections), > so a potential SPoF. A disk heartbeat would add a second technology. Would a quorum disk be an acceptable solution for you? That may be easier to implement. Cheers, Dejan > > > Cheers, > Ulf > -- > NEU: FreePhone - kostenlos mobil telefonieren und surfen! > Jetzt informieren: http://www.gmx.net/de/go/freephone > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: > http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
