[Pacemaker] recovering from split brain

[Andreas Kurz]

On 10/04/2012 12:03 AM, Jane Du (jadu) wrote:
> Re-send. Will be appreciate if someone could shed some light on this.
> 
> -----Original Message-----
> From: Jane Du (jadu) 
> Sent: Friday, September 28, 2012 4:53 PM
> To: The Pacemaker cluster resource manager
> Subject: [Pacemaker] recovering from split brain
> 
> Hi,
> Use heartbeat and pacemaker for two node HA. We don't configure the fencing or quorum because we let 
> one of our module handle the split-brain recovering based on some important factors. However,
> when recovering from two-node split brain situation, CRM still tries to elect a node to be active to run the resource and sometimes
> the decision is conflict with what our master module makes and triggers an unnecessary switch over.
> Is there a parameter that I can program to delay CRM to make the decision or not to make decision when recovering from split brain?
> 

Hard to say without logs/configuration  ... You mean the resources are
_not_ running on both nodes while cluster is in split-brain? ... you set
resource-stickiness?

Regards,
Andreas
-- 
Need help with Pacemaker?
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> 
> Thanks for your help,
> 
> Jane
> 
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