Romi Verma wrote: > Thanks for fast reply , > Ok, Let me explain the situation. i have two nodes cluster . i pulled out > the network cable of one > node which produced spilit brain situation. this time both nodes are > thinking that other one is dead. each node is thinking itself as DC and on > each node cluster is up and running without quorum. > > i am new to openais/pacemaker so dont know much but according to some > documents it seems by default no-quorum-policy is to "stop" the cluster. i > have not specified any no-quorum-policy that's why i expect that my cluster > should stop if it looses quorum somehow.
The "stop" refers to the resources. policy=stop on a node with no quorum means: do not run any resources. "ignore" would mean: run resources even though we don't have quorum (like the old heartbeat behaviour would be) "freeze" would mean: run and manage what you did run up to this point, but don't aquire any other resources. Regards Dominik > But in present spilit brain situation , on each node cluster is up and > running without quorum. could you please explain why this is happening. > > Romi > > > On Fri, Feb 6, 2009 at 12:52 PM, Andrew Beekhof <beek...@gmail.com> wrote: > >> Well the no-quorum-policy option applies during the split and an election >> is held to determine the DC when the partitions reform. >> Can you be more specific please? >> On Feb 6, 2009, at 4:54 AM, Romi Verma wrote: >> >> >> >> hi all, >>> how does openais + pacemaker (suse 11) cluster handles spilit brain >>> situation . can any one explain. >>> >>> Thanks, >>> Romi. >>> >> _______________________________________________ >> 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
