[Pacemaker] STONITH without mandatory success possible?

Sven Arnold sven.arnold at localite.de
Thu Jun 20 00:12:54 UTC 2013


Hi Doug,

> I have some 2-node active-passive clusters that occasionally lose
> Corosync connectivity.  The connectivity is fixed with a reboot.
> They don't have shared storage so stonith doesn't have to happen for
> another node to take control of the resource.  Also they are VMs so I
> can't use a standard stonith method.

If you use virtual machines connected via a local bridge you could try 
to disable multicast snooping on your bridge to improve corosync 
connectivity. Similar to:

echo "0" >  /sys/class/net/virbr0/bridge/multicast_snooping

HTH,

Sven





More information about the Pacemaker mailing list