[ClusterLabs] Regarding IP tables and IP Address clone

Somanath Jeeva somanath.jeeva at ericsson.com
Tue Dec 22 09:09:55 EST 2015

I am trying to use ip loadbalancing using cloning feature in pacemaker. but After 15 min the virtual ip becomes unreachable. Below is the pacemaker cluster config

 # pcs status
Cluster name: DES
Last updated: Tue Dec 22 08:57:55 2015
Last change: Tue Dec 22 08:10:22 2015
Stack: cman
Current DC: node-01 - partition with quorum
Version: 1.1.11-97629de
2 Nodes configured
2 Resources configured

Online: [ node-01 node-02 ]

Full list of resources:

 Clone Set: ClusterIP-clone [ClusterIP] (unique)
     ClusterIP:0        (ocf::heartbeat:IPaddr2):       Started node-01
     ClusterIP:1        (ocf::heartbeat:IPaddr2):       Started node-02

#pcs config
Cluster Name: DES
Corosync Nodes:
  node-01 node-02
Pacemaker Nodes:
node-01 node-02

 Clone: ClusterIP-clone
  Meta Attrs: clone-max=2 clone-node-max=2 globally-unique=true
  Resource: ClusterIP (class=ocf provider=heartbeat type=IPaddr2)
   Attributes: ip= cidr_netmask=23 clusterip_hash=sourceip
   Operations: start interval=0s timeout=20s (ClusterIP-start-timeout-20s)
               stop interval=0s timeout=20s (ClusterIP-stop-timeout-20s)
               monitor interval=5s (ClusterIP-monitor-interval-5s)

Stonith Devices:
Fencing Levels:

Location Constraints:
Ordering Constraints:
Colocation Constraints:

Cluster Properties:
 cluster-infrastructure: cman
 cluster-recheck-interval: 0
 dc-version: 1.1.11-97629de
 stonith-enabled: false
Pacemaker and Corosync version:
Pacemaker - 1.1.12-4
Corosync  - 1.4.7

Is the issue due to configuration error or firewall issue.

With Regards
Somanath Thilak J

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