2010/9/15 Michał Purzyński <mic...@rsbac.org>: > hey, > > i'm in process of setting up a failover + load balancing cluster for > OpenLDAP (mirror mode). > > i've got some strange log messages i don't really understand: > > Sep 15 00:33:38 udalia3 crmd: [30332]: ERROR: crmd_ha_msg_filter: > Another DC detected: udalia4 (op=noop) > > this one is easy - one node lost connectivity, each of them (i have two > node cluster) thinks he's the DC. anyway, after the connectivity is > back, everything syncs. > > btw, what should i do about that? stonith?
almost certainly > does not seem to be a good > solution with slapd service - no shared data, each node has own > database, they are synchronized on the ldap replication level, mirror mode. what happens if changes are made to both? > > if you have some ideas/thoughts about my cluster setup, share them as > well. maybe there are some logical mistakes i made or sth. just comment > on it. > > Sep 15 00:36:53 udalia3 pengine: [30331]: ERROR: > clone_rsc_colocation_rh: Cannot interleave clone LDAPclone and > ClusterIPclone because they do not support the same number of resources > per node > > this is the one i don't get. i don't interleave anything. at least i > don't know i do ;) it became the default. set the interleave=false param for both clones and it will go away > > configuration of my cluster: > > node udalia3 \ > attributes standby="off" > node udalia4 \ > attributes standby="off" > primitive ClusterIP ocf:heartbeat:IPaddr2 \ > params ip="172.16.6.93" cidr_netmask="24" > clusterip_hash="sourceip-sourceport" \ > op monitor interval="0" timeout="60s" start stop > primitive LDAP lsb:slapd \ > op monitor interval="0" timeout="60s" start stop > primitive resPing ocf:pacemaker:ping \ > params host_list="172.16.4.7" dampen="5s" multiplier="1000" > debug="true" \ > op start interval="0" timeout="60s" \ > op stop interval="0" timeout="60s" \ > op monitor interval="0" timeout="60s" > clone ClusterIPclone ClusterIP \ > meta globally-unique="true" clone-max="2" clone-node-max="2" > target-role="Started" > clone LDAPclone LDAP \ > meta globally-unique="false" clone-max="2" clone-node-max="1" > target-role="Started" > clone clonePing resPing > location ip-no-convectivity ClusterIPclone \ > rule $id="ping-exclude-rule2" -inf: not_defined pingd or pingd > number:lte 0 > location ldap-no-convectivity LDAPclone \ > rule $id="ping-exclude-rule" -inf: not_defined pingd or pingd > number:lte 0 > colocation ldap-with-ip inf: LDAPclone ClusterIPclone > order ldap-after-ip inf: ClusterIPclone LDAPclone > property $id="cib-bootstrap-options" \ > dc-version="1.1.2-53b05d88305c603b83b6dbdd799f8e3bca9b7efd" \ > cluster-infrastructure="openais" \ > expected-quorum-votes="2" \ > stonith-enabled="false" \ > no-quorum-policy="ignore" \ > last-lrm-refresh="1284502285" > rsc_defaults $id="rsc-options" \ > resource-stickiness="0" > > thx for your help. > > _______________________________________________ > 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
