[Cluster-devel] fence daemon problems

[David Teigland]

On Wed, Oct 03, 2012 at 04:55:55PM +0000, Dietmar Maurer wrote:
> > The difficult cases, which I think you're seeing, are partitions where
> > no group has quorum, e.g. 2/2.  In this case we do nothing, and the
> > user has to resolve it by resetting some of the nodes
> 
> The problem with that is that those 'difficult' cases are very likely.
> For example a switch reboot results in that state if you do not have
> redundant network (yes, I know that this setup is simply wrong).
> 
> And things get worse, because it is not possible to reboot such nodes,
> because rgmanager shutdown simply hangs. Is there any way to avoid that,
> so that it is at least possible to reboot those nodes?

Fabio's checkquorum script will reboot nodes that loose quorum.