Hi, 30.05.2011 17:12, Dejan Muhamedagic wrote: > Hi, > > On Sun, May 29, 2011 at 11:58:17PM +0300, Vladislav Bogdanov wrote: >> Hi all. >> >> I've got a task to remove some nodes from cluster to save some power and >> found that it is not sufficient to follow >> http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/s-node-delete.html#s-del-ais > > Did you try just "crm node delete ..."? That should do whatever's > necessary to remove a node (on which pacemaker be down).
What extra commands does it run comparing to Pacemaker Explained? > > I can vaguely recall this case, but cannot remember anymore what > was the outcome. > > Thanks, > > Dejan > >> After pacemaker is then restarted on any another remaining node, removed >> node comes back in a CIB (with OFFLINE status). Even removal of that >> node from corosync's objdb with >> corosync-objctl -d runtime.totem.pg.mrp.srp.members.COROSYNC_ID >> does not help. >> >> The only way to completely remove node I found is to stop pacemaker on >> all cluster nodes and start it again then. So there should be some >> 'ghost' data in a running pacemaker instance which is not deleted after >> removal of node data and status from a CIB. >> >> I hope this could be easily fixed, just a note that it does not fully >> work now (1.1.5 with some patches from both 1.1 and devel). >> >> Best, >> Vladislav >> >> _______________________________________________ >> 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 _______________________________________________ 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
