On Wed, Feb 9, 2011 at 12:49 PM, Klaus Darilion <klaus.mailingli...@pernau.at> wrote: > > > Am 08.02.2011 18:20, schrieb Florian Haas: >> On 02/08/2011 06:03 PM, Klaus Darilion wrote: > >>> Now I put server2 online again: # crm node online server2. >>> That means, server2 is online and has ping connectivity, server1 is >>> online and doesn't have ping connectivity. But the virtual-IP stayed >>> with server1: >>> >>> Online: [ server1 server2 ] >>> >>> failover-ip (ocf::heartbeat:IPaddr): Started server1 >>> Clone Set: clonePing >>> Started: [ server2 server1 ] >>> >>> What do I have to change in the config to have here a failover to server2? >> >> IIUC your pingd attribute is still defined, albeit with a value of 0. >> Thus the location constraint is still fulfilled and the pingd score is 0 >> on both nodes. Equal score means Pacemaker gets to decide where the >> resource runs, and currently there is no reason to migrate. >> >> Try this: >> >> location aktiverLB failover-ip \ >> rule $id="aktiverLB-rule" -inf: pingd lte 0 >> >> or: >> >> location aktiverLB failover-ip \ >> rule $id="aktiverLB-rule" inf: pingd gt 0 >> > > Hi Florian! > > I changed the config now as suggested by > http://www.clusterlabs.org/wiki/Example_configurations#pingd_location_constraint: > > > node server1 \ > attributes standby="off" > node server2 \ > attributes standby="off" > primitive failover-ip ocf:heartbeat:IPaddr \ > params ip="83.136.32.161" \ > op monitor interval="3s" > primitive pingtest ocf:pacemaker:pingd \ > params host_list="88.198.53.113" multiplier="10" dampen="5s" \ > op monitor interval="10s" > clone clonePing pingtest > location aktiverLB failover-ip \ > rule $id="aktiverLB-rule" -inf: not_defined pingd or pingd lte 0 > property $id="cib-bootstrap-options" \ > dc-version="1.0.9-74392a28b7f31d7ddc86689598bd23114f58978b" \ > cluster-infrastructure="openais" \ > expected-quorum-votes="2" \ > stonith-enabled="false" \ > no-quorum-policy="ignore" > > But the behavior is IMO still confusing: > > server1 is started: > > Online: [ server1 ] > OFFLINE: [ server2 ] > > Clone Set: clonePing > Started: [ server1 ] > Stopped: [ pingtest:1 ] > > Migration summary: > * Node server1: > > > Why are there no scores?
Did you wait more than 5s (the period you specified for dampen) You'll also be much happier if you use: ocf:pacemaker:ping instead of ocf:pacemaker:pingd > I guess this prevents the virtualIP resource to > be started on server1. > > > Now I block PING. After 5 seconds the score is 10 (although ping is > blocked) and the resource gets started: > > Online: [ server1 ] > OFFLINE: [ server2 ] > > failover-ip (ocf::heartbeat:IPaddr): Started server1 > Clone Set: clonePing > Started: [ server1 ] > Stopped: [ pingtest:1 ] > > Migration summary: > * Node server1: pingd=10 > > > After 5 more seconds the score becomes 0 and the resource will be removed: > > Online: [ server1 ] > OFFLINE: [ server2 ] > > Clone Set: clonePing > Started: [ server1 ] > Stopped: [ pingtest:1 ] > > Migration summary: > * Node server1: pingd=0 > > > Now I allow PING. Even after 10 seconds the score is still 0 although > PINGs are working fine again: > > Online: [ server1 ] > OFFLINE: [ server2 ] > > Clone Set: clonePing > Started: [ server1 ] > Stopped: [ pingtest:1 ] > > Migration summary: > * Node server1: pingd=0 > > > I think the problem is, that the pingd score is not calculated on > startup and is not updated when the connectivity problem recovers. > > Any ideas what could be wrong? > > Thanks > Klaus > > > > > > _______________________________________________ > 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
