[Users] Re: Debian: recommended kernel

Roman Haefeli reduzent at gmail.com
Wed May 9 08:43:51 EDT 2012


On Wed, 2012-05-09 at 12:54 +0200, Aleksandar Ivanisevic wrote:
> Roman Haefeli <reduzent at gmail.com>
> writes:
> 
> 
> [...]
> 
> > We have a HA cluster with corosync/pacemaker running, which manages the
> > CTs which are running on an NFS export shared across all nodes. As the
> > HA layer makes sure to not run duplicate instances of CTs, there seems
> > to be no reason to have NFS locking enabled. 
> 
> How do you do STONITH in openvz? I hope you are doing it, because
> thats the only thing that prevents corruption in the split brain
> situations,

We use SBD (Storage Based Death)

>  now that you've turned off locking (i.e. fencing).

Turning on locking wouldn't prevent data corruption in case of a split
brain situation as for most files no lock is acquired.

Roman



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