[Pacemaker] About influence of resouce-stickiness which used colocation for limitation.

[renayama19661014 at ybb.ne.jp]

Hi Andrew,

> Fixed in:
>    http://hg.clusterlabs.org/pacemaker/1.1/rev/4c775a4abc87

Thanks!

Best Regards,
Hideo Yamauchi.


--- Andrew Beekhof <andrew at beekhof.net> wrote:

> Fixed in:
>    http://hg.clusterlabs.org/pacemaker/1.1/rev/4c775a4abc87
> 
> 2010/4/22  <renayama19661014 at ybb.ne.jp>:
> > Hi,
> >
> > We tested the cluster constitution of four nodes.
> >
> > srv04 is a standby node, and others are active nodes.
> >
> > We use INIFINITY for resouce-stickiness well.
> >
> > But, there was a problem for resource placement when we set INIFINITY in resouce-stickiness.
> > (An OVDBgroup02-1 resource did not start in an active srv01 node.)
> >
> > There was not a problem for resource placement when we set 1000 in resouce-stickiness.
> >
> >  * resource-stickiness=1000
> >
> > [root at srv01 ~]# crm_mon -1
> > ============
> > Last updated: Thu Apr 22 15:34:03 2010
> > Stack: openais
> > Current DC: srv01 - partition with quorum
> > Version: 1.0.8-52c101df29bd1851b2ea6dc13bbba450418d103b
> > 4 Nodes configured, 4 expected votes
> > 9 Resources configured.
> > ============
> >
> > Online: [ srv01 srv02 srv03 srv04 ]
> >
> >  Resource Group: UMgroup01
> >     UmVIPcheck (ocf::heartbeat:Dummy): Started srv01
> >  Resource Group: OVDBgroup02-1
> >     prmExPostgreSQLDB1 (ocf::heartbeat:Dummy): Started srv01 ---> not problem
> >  Resource Group: OVDBgroup02-2
> >     prmExPostgreSQLDB2 (ocf::heartbeat:Dummy): Started srv02
> >  Resource Group: OVDBgroup02-3
> >     prmExPostgreSQLDB3 (ocf::heartbeat:Dummy): Started srv03
> >  Clone Set: clnUMgroup01
> >     Started: [ srv01 srv04 ]
> >  Clone Set: clnPingd
> >     Started: [ srv02 srv03 srv01 srv04 ]
> >  Clone Set: clnDiskd1
> >     Started: [ srv02 srv03 srv01 srv04 ]
> >  Clone Set: clnG3dummy1
> >     Started: [ srv01 srv02 srv03 srv04 ]
> >  Clone Set: clnG3dummy2
> >     Started: [ srv01 srv02 srv03 srv04 ]
> >
> >
> >  * resource-stickiness=INFINITY
> >
> > [root at srv01 ~]# crm_mon -1
> > ============
> > Last updated: Thu Apr 22 15:23:43 2010
> > Stack: openais
> > Current DC: srv01 - partition with quorum
> > Version: 1.0.8-52c101df29bd1851b2ea6dc13bbba450418d103b
> > 4 Nodes configured, 4 expected votes
> > 9 Resources configured.
> > ============
> >
> > Online: [ srv01 srv02 srv03 srv04 ]
> >
> >  Resource Group: UMgroup01
> >     UmVIPcheck (ocf::heartbeat:Dummy): Started srv01
> >  Resource Group: OVDBgroup02-1
> >     prmExPostgreSQLDB1 (ocf::heartbeat:Dummy): Started srv04 ---> problem
> >  Resource Group: OVDBgroup02-2
> >     prmExPostgreSQLDB2 (ocf::heartbeat:Dummy): Started srv02
> >  Resource Group: OVDBgroup02-3
> >     prmExPostgreSQLDB3 (ocf::heartbeat:Dummy): Started srv03
> >  Clone Set: clnUMgroup01
> >     Started: [ srv01 srv04 ]
> >  Clone Set: clnPingd
> >     Started: [ srv02 srv03 srv01 srv04 ]
> >  Clone Set: clnDiskd1
> >     Started: [ srv02 srv03 srv01 srv04 ]
> >  Clone Set: clnG3dummy1
> >     Started: [ srv01 srv02 srv03 srv04 ]
> >  Clone Set: clnG3dummy2
> >     Started: [ srv01 srv02 srv03 srv04 ]
> >
> >
> > When we do not use colocation, this problem does not happen.
> >
> > We think that a difference of resource-stickiness influences it.
> >
> > When we put colocation and resoucre-stickiness together, will the calculation of the score be
> right?
> >
> > Is the movement when we set INIFINITY in resource-stickiness a bug?
> >
> >  * I read the next document to examine colocation.
> >  * http://www.clusterlabs.org/wiki/File:Colocation_Explained_-_White.pdf
> >  * However, I was not able to understand the connection with resource-stickiness.
> >
> > Best Regards,
> > Hideo Yamauchi.
> >
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at 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
> >
> 
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