On Thu, Mar 10, 2011 at 1:50 PM, Charles KOPROWSKI <c...@audaxis.com> wrote: > Hello, > > I set up a 2 nodes cluster (active/active) to build an http reverse > proxy/firewall. There is one vip shared by both nodes and an apache instance > running on each node. > > Here is the configuration : > > node lpa \ > attributes standby="off" > node lpb \ > attributes standby="off" > primitive ClusterIP ocf:heartbeat:IPaddr2 \ > params ip="10.1.52.3" cidr_netmask="16" clusterip_hash="sourceip" \ > op monitor interval="30s" > primitive HttpProxy ocf:heartbeat:apache \ > params configfile="/etc/apache2/apache2.conf" \ > op monitor interval="1min" > clone HttpProxyClone HttpProxy > clone ProxyIP ClusterIP \ > meta globally-unique="true" clone-max="2" clone-node-max="2" > colocation HttpProxy-with-ClusterIP inf: HttpProxyClone ProxyIP > order HttpProxyClone-after-ProxyIP inf: ProxyIP HttpProxyClone > property $id="cib-bootstrap-options" \ > dc-version="1.0.8-042548a451fce8400660f6031f4da6f0223dd5dd" \ > cluster-infrastructure="openais" \ > expected-quorum-votes="2" \ > stonith-enabled="false" \ > no-quorum-policy="ignore" > > > Everything works fine at the beginning : > > > Online: [ lpa lpb ] > > Clone Set: ProxyIP (unique) > ClusterIP:0 (ocf::heartbeat:IPaddr2): Started lpa > ClusterIP:1 (ocf::heartbeat:IPaddr2): Started lpb > Clone Set: HttpProxyClone > Started: [ lpa lpb ] > > > But after simulating an outage of one of the nodes with "crm node standby" > and a recovery with "crm node online", all resources stay on the same node : > > > Online: [ lpa lpb ] > > Clone Set: ProxyIP (unique) > ClusterIP:0 (ocf::heartbeat:IPaddr2): Started lpa > ClusterIP:1 (ocf::heartbeat:IPaddr2): Started lpa > Clone Set: HttpProxyClone > Started: [ lpa ] > Stopped: [ HttpProxy:1 ] > > > Can you tell me if something is wrong in my configuration ?
Essentially you have encountered a limitation in the allocation algorithm for clones in 1.0.x The recently released 1.1.5 has the behavior you're looking for, but the patch is far too invasive to consider back-porting to 1.0. > > crm_verify give me the following output : > > crm_verify[22555]: 2011/03/10_13:49:00 ERROR: clone_rsc_order_lh: Cannot > interleave clone ProxyIP and HttpProxyClone because they do not support the > same number of resources per node > crm_verify[22555]: 2011/03/10_13:49:00 ERROR: clone_rsc_order_lh: Cannot > interleave clone HttpProxyClone and ProxyIP because they do not support the > same number of resources per node > > > Many thanks, > > Regards, > > -- > Charles KOPROWSKI > > > _______________________________________________ > 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
