[Pacemaker] fencing

[Dejan Muhamedagic]

Hi,

On Wed, Jun 15, 2011 at 08:54:36PM -0400, Shravan Mishra wrote:
> Hi all,
> 
> We are using idrac6 ipmi as stonith device on our 2 node cluster.
> When one of the nodes power cords are being yanked out, both main and the
> backup, the secondary node is not taking over as primary meaning the fencing
> operation didn't happen successfully from secondary to the abruptly crashed
> node and hence node_state for the original primary is in limbo.
> 
> But as soon as the power is turned on the crashed node  the other node
> immediately takes over as primary which is an expected behavior.
> 
> So my question is - is it required that ipmi cards always have to have power
> for the stonith action to work properly?

Yes. Dual power supplies are a good HA feature. Also, I
understand that there are some servers which can keep cards live
for a while after the power has been gone.

Thanks,

Dejan

> 
> Thanks
> Shravan

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