[Pacemaker] Trouble getting two node cluster to failover when network lost

Aaron Wilson awilson at nautilusgrp.com
Wed Mar 19 14:07:46 EDT 2014


This is my first post and I am new to HA clusters.  Let me start by
thanking everyone for their contributions to such a great project.

I am really hoping to get pointed in the right direction so I can stop with
the guessing.

On Ubuntu 12.04 I am using corosync, cman and pacemaker I have two servers
each with 2 nics. Both servers are identical, having each of their nics on
the same respective subnets.

When the master server fails completely, the Virtual IPs are taken over by
the failover server (works as expected).  What I want is to failover when
connectivity is lost on either of the nics, not just when the all
communication to the master server fails.

Not sure if this configuration is done on the Corosync as in Redundant
Ring, or the pacemaker side.  I have tried several configurations with no
difference.  I even tried using the RA ethmonitor, but it fails to start
the monitor.

Any advice would be greatly appreciated.

Thanks You,

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