[Pacemaker] fencing best practices for virtual environments

[renayama19661014 at ybb.ne.jp]

Hi Alberto,

I think that I should set plural external/vcenter if your problem is practice of stonith when vcenter falls and is not usable.

Please refer to the next email and patch.
 * http://www.gossamer-threads.com/lists/linuxha/dev/78702

Best Regards,
Hideo Yamauchi.

--- On Sun, 2012/9/9, Alberto Menichetti <albmenichetti at tai.it> wrote:

> Hi all,
> 
> I'm setting up a two-node pacemaker cluster (SLES-HA Extension) on vmware vsphere 5.
> I've successfully configured and tested the stonith plugin "external/vcenter"; but this plugin introduces a single point of failure in my cluster infrastructure because it depends on the availability of the virtual center (which is, in the customer environment, a virtual machine).
> I was thinking to introduce an additional fencing device, to be used when the virtual center is unavailable; is this a suggested deployment?
> The fecing device I'd like to use is sdb.
> 
> Are there some best practices or validated configurations for a deploy like this?
> 
> Thank you.
> Alberto
> 
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