[ClusterLabs] Notification agent and Notification recipients

Sriram sriram.ec at gmail.com
Thu Aug 3 03:01:01 EDT 2017

Hi Team,

We have a four node cluster (1 active : 3 standby) in our lab for a
particular service. If the active node goes down, one of the three standby
node  becomes active. Now there will be (1 active :  2 standby : 1 offline).

Is there any way where this newly elected node sends notification to the
remaining 2 standby nodes about its new status ?

I was exploring "notification agent" and "notification recipient" features,
but that doesn't seem to work. /etc/sysconfig/notify.sh doesn't get invoked
even in the newly elected active node.

Cluster Properties:
 cluster-infrastructure: corosync
 dc-version: 1.1.17-e2e6cdce80
 default-action-timeout: 240
 have-watchdog: false
 no-quorum-policy: ignore
 *notification-agent: /etc/sysconfig/notify.sh*
* notification-recipient: /var/log/notify.log*
 placement-strategy: balanced
 stonith-enabled: false
 symmetric-cluster: false

I m using the following versions of pacemaker and corosync.

/usr/sbin # ./pacemakerd --version
Pacemaker 1.1.17
Written by Andrew Beekhof
/usr/sbin # ./corosync -v
Corosync Cluster Engine, version '2.3.5'
Copyright (c) 2006-2009 Red Hat, Inc.

Can you please suggest if I m doing anything wrong or if there any other
mechanisms to achieve this ?

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