On 11/03/17 02:50, cys wrote: > We have a cluster containing 3 nodes(nodeA, nodeB, nodeC). > After nodeA is taken offline(by ifdown, this may be not right?),
ifdown isn't right, no. you need to do a physical cable pull or use iptables to simulate loss of traffic, ifdown does odd things to corosync! Chrissie nodeC > cannot acquire quorum while nodeB can. > NodeC: corosync-quorumtool -s > Quorum information > ------------------ > Date: Sat Mar 11 10:42:22 2017 > Quorum provider: corosync_votequorum > Nodes 2 > Node ID: 2 > Ring ID: 2/24 > Quorate: No > > Votequorum information > ---------------------- > Expected votes: 3 > Highest expected: 3 > Total votes: 2 > Quorum: 2 Activity blocked > Flags: WaitForAll > > Membership information > ---------------------- > Nodeid Votes Name > > 2 1 68.68.68.15 (local) > 3 1 68.68.68.16 > > NodeB: corosync-quorumtools -s > Quorum information > ------------------ > Date: Sat Mar 11 10:45:44 2017 > Quorum provider: corosync_votequorum > Nodes: 2 > Node ID: 3 > Ring ID: 2/24 > Quorate: Yes > > Votequorum information > ---------------------- > Expected votes: 3 > Highest expected: 3 > Total votes: 2 > Quorum: 2 > Flags: Quorate > > Membership information > ---------------------- > Nodeid Votes Name > 2 1 68.68.68.15 > 3 1 68.68.68.16 (local) > > So what's the problem? > Thanks. > > > _______________________________________________ > Users mailing list: Users@clusterlabs.org > http://lists.clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > _______________________________________________ Users mailing list: Users@clusterlabs.org http://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org