[Pacemaker] Weired resource-stickiness behavior

[Andrew Beekhof]

On 13/06/2013, at 5:15 PM, Xiaomin Zhang <zhangxiaomin at gmail.com> wrote:

> Thanks Andrew.
> Yes, the fs_ssn service (ocf:FileSystem) is still running when the machine loses network. I configure it as primitive:
> primitive fs_ssn ocf:heartbeat:Filesystem \
>      op monitor interval="15s" \
>      params device="/dev/drbd0" directory="/drbd" fstype="ext3" \
>      meta target-role="Started"
> As I assume this resource can only be started on 1 node, I think it should be stopped automatically when pacemaker detects it's not in a HA cluster.
> Is this incorrect assumption?

No. But I'd need to see logs from all the nodes (please use attachments) to be able to comment further.

> Thanks.
> 
> 
> 
> On Thu, Jun 13, 2013 at 1:50 PM, Andrew Beekhof <andrew at beekhof.net> wrote:
> 
> On 13/06/2013, at 2:43 PM, Xiaomin Zhang <zhangxiaomin at gmail.com> wrote:
> 
> > Andrew Beekhof <andrew at ...> writes:
> >
> >>
> >> Try increasing your stickiness as it is being exceeded by the location
> > constraints.
> >> For the biggest stick, try 'infinity' which means - never move unless the
> > node dies.
> >>
> >
> > Thanks, Andrew, I applied infinity resource stickiness. However, the sst
> > resource is still switched to the node which is online back from failure.
> > And I found sth in the log:
> >
> > Jun 13 11:46:29 node3 pengine[27813]:  warning: unpack_rsc_op: Processing
> > failed op monitor for ip_ssn on node2: not running (7)
> > Jun 13 11:46:29 node3 pengine[27813]:    error: native_create_actions:
> > Resource fs_ssn (ocf::Filesystem) is active on 2 nodes attempting recovery
> > Jun 13 11:46:29 node3 pengine[27813]:  warning: native_create_actions: See
> > http://clusterlabs.org/wiki/FAQ#Resource_is_Too_Active for more information.
> >
> > Is this log showing that pacemaker tries to restart all the resource when
> > the failed node is back again?
> 
> No, thats a log showing the services were already running there when pacemaker started.
> 
> >
> >
> >>> Thanks.
> >>>
> >>> Below is my configure:
> >>> ------------------CONFIG START--------------------------------------
> >>> node node3 \
> >>>     attributes standby="on"
> >>> node node1
> >>> node node2
> >>> primitive drbd_ssn ocf:linbit:drbd \
> >>>     params drbd_resource="r0" \
> >>>     op monitor interval="15s"
> >>> primitive fs_ssn ocf:heartbeat:Filesystem \
> >>>     op monitor interval="15s" \
> >>>     params device="/dev/drbd0" directory="/drbd" fstype="ext3" \
> >>>     meta target-role="Started"
> >>> primitive ip_ssn ocf:heartbeat:IPaddr2 \
> >>>     params ip="192.168.241.1" cidr_netmask="32" \
> >>>     op monitor interval="15s" \
> >>>     meta target-role="Started"
> >>> primitive ip_sst ocf:heartbeat:IPaddr2 \
> >>>     params ip="192.168.241.2" cidr_netmask="32" \
> >>>     op monitor interval="15s" \
> >>>     meta target-role="Started"
> >>> primitive sst lsb:sst \
> >>>     op monitor interval="15s" \
> >>>     meta target-role="stopped"
> >>> primitive ssn lsb:ssn \
> >>>     op monitor interval="15s" \
> >>>     meta target-role="stopped"
> >>> ms ms_drbd_ssn drbd_ssn \
> >>>     meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1"
> >>> notify="true" target-role="Started"
> >>> location sst_ip_prefer ip_sst 50: node1
> >>> location drbd_ssn_prefer ms_drbd_ssn 50: node1
> >>> colocation fs_ssn_coloc inf: ip_ssn fs_ssn
> >>> colocation fs_on_drbd_coloc inf: fs_ssn ms_drbd_ssn:Master
> >>> colocation sst_ip_coloc inf: sst ip_sst
> >>> colocation ssn_ip_coloc inf: ssn ip_ssn
> >>> order ssn_after_drbd inf: ms_drbd_ssn:promote fs_ssn:start
> >>> order ip_after_fs inf: fs_ssn:start ip_ssn:start
> >>> order sst_after_ip inf: ip_sst:start sst:start
> >>> order sst_after_ssn inf: ssn:start sst:start
> >>> order ssn_after_ip inf: ip_ssn:start ssn:start
> >>> property $id="cib-bootstrap-options" \
> >>>     dc-version="1.1.8-7.el6-394e906" \
> >>>     cluster-infrastructure="classic openais (with plugin)" \
> >>>     expected-quorum-votes="3" \
> >>>     stonith-enabled="false"
> >>> rsc_defaults $id="rsc-options" \
> >>>     resource-stickiness="100"
> >>>
> >>> -------------------CONFIG END----------------------------------------
> >>>
> > Best Regards.
> > Xiaomin
> >
> >
> >
> >
> >
> >
> >
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> >
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> 
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