[Pacemaker] Reg. trigger when node failure occurs

[Andrew Beekhof]

On 11 Dec 2013, at 3:45 pm, ESWAR RAO <eswar7028 at gmail.com> wrote:

> Hi Micheal,
> 
> I am configuring the ClusterMon as below on the 3 node setup:
> I am following http://floriancrouzat.net/2013/01/monitor-a-pacemaker-cluster-with-ocfpacemakerclustermon-andor-external-agent/
> 
> # crm configure primitive ClusterMon ocf:pacemaker:ClusterMon params user="root" update="10" extra_options="-E /root/monitor.sh -e 192.168.100.188" op monitor on-fail="restart" interval="60"
> 
> Entity: line 24: element nvpair: Relax-NG validity error : Type ID doesn't allow value 'ClusterMon-instance_attributes-/root/monitor.sh'

Looks like crmsh is having trouble parsing your command line.

> Entity: line 24: element nvpair: Relax-NG validity error : Element nvpair failed to validate attributes
> Relax-NG validity error : Extra element nvpair in interleave
> Entity: line 21: element nvpair: Relax-NG validity error : Element instance_attributes failed to validate content
> Relax-NG validity error : Extra element instance_attributes in interleave
> Entity: line 2: element cib: Relax-NG validity error : Element cib failed to validate content
> crm_verify[15283]: 2013/12/10_20:35:45 ERROR: main: CIB did not pass DTD/schema validation
> Errors found during check: config not valid
> ERROR: ClusterMon: parameter -e does not exist
> ERROR: ClusterMon: parameter 192.168.100.188 does not exist
> ERROR: ClusterMon: parameter /root/monitor.sh does not exist
> 
> 
> Can I write my external agent as sample dummy like : crm_mon -1|grep "Online\|OFFLINE" 
> My intention is when HB is stopped on any node/node failure occurs the script should be triggered so that I can know OFFLINE nodes.
> 
> Thanks
> Eswar
> 
> 
> 
> On Tue, Dec 10, 2013 at 1:06 PM, Michael Schwartzkopff <ms at sys4.de> wrote:
> Am Dienstag, 10. Dezember 2013, 12:19:25 schrieb ESWAR RAO:
> > Hi All,
> >
> > Can someone please let me know if there is a clean to trigger any script by
> > pacemaker if HB on a node has stopped/node failed occurred if I ran
> > HB+pacemaker on a 3 node setup??
> >
> > Thanks
> > Eswar
> >
> > On Mon, Dec 9, 2013 at 5:16 PM, ESWAR RAO <eswar7028 at gmail.com> wrote:
> > > Hi All,
> > >
> > > I have a 3 node ( node1, node2, node3 ) setup on which HB+pacemaker runs.
> > > I have resources running on clone mode on node1 and node2.
> > >
> > > Is there anyway to get a trigger when a node failure occurs i.e., can i
> > > trigger any script if the node3 fails (on which no resource runs) ???
> 
> Yes. run a ocf:pacemaker:ClusterMon resource and read man crm_mon for the
> additional options to call a script.
> 
> --
> Mit freundlichen Grüßen,
> 
> Michael Schwartzkopff
> 
> --
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