> I am not quite understand how auto_tie_breaker works. > Say we have a cluster with 2 nodes and enabled auto_tie_breaker feature. > Each node has 2 NICs. One NIC is used for cluster communication and another > one is used for providing some services from the cluster. > So the question is how the nodes will distinguish between two possible > situations: > 1) connection between the nodes are lost, but the both nodes remain working; > 2) power supply on the node 1 (has the lowest node-id) broke down and node > 2 remain working; > > In 1st case, according to the description of the auto_tie_breaker, the node > with the lowest node-id in the cluster will remain working. > And in that particular situation it is good result because the both nodes > are in good state (the both can remain working). > In 2nd case the only working node is #2 and the node-id of that node is not > the lowest one. So what will be in this case? What logic will work, because > we have lost the node with the lowest node id in 2-node cluster? > >> there is no qdiskd for votequorum yet > Is there plans to implement it? >
Kostya, yes there are plans to implement qdisk (network based one). Regards, Honza > Many thanks, > Kostya > > > > _______________________________________________ > 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://bugs.clusterlabs.org > _______________________________________________ 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://bugs.clusterlabs.org