On Thu, Oct 18, 2007 at 08:05:02PM +0200, tam_annie@xxxxxxxx wrote: > So, without qdisk my cluster just behaves exactly as I ever wanted! So > is qdisk evil? However, please, be so kind to explain this strange > behavor to me, that's really a _MYSTERY_: Isn't the qdisk a tie-breaker > useful especially in two node clusters and if one needs to decide > cluster membership also on the basis of exogenous heuristics (like > network connectivity as in my case, see RedHat Cluster FAQ)? Shouldn't > the qdisk allow one to build a more robust cluster against split-brain > conditions? Why does my cluster behave good only if I avoid using > qdisk? Have I really no more chance to use a quorum disk in my cluster > architecture? If it can help, I'd like to tell you that when I start my > cluster with qdisk enabled, both nodes wait for each other on "Starting > fencing..." before going on in the boot sequence: no node can boot alone > while the other one is down. That doesn't happen when I don't use > qdisk, as you told me. Again, thank you very very much indeed! qdisk doesn't work well in RHEL5.0; I'm told it will work in 5.1 Dave -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
