[Pacemaker] Actions on "Another DC detected"

Andrew Beekhof andrew at beekhof.net
Mon Jun 16 19:30:35 EDT 2014

On 16 Jun 2014, at 4:56 pm, K Mehta <kiranmehta1981 at gmail.com> wrote:

> Hi,
>    In case stonith is not setup and a two node cluster automatically recovers from split brain, I get "Another DC detected" message in log file. 
> Here are the cluster settings
> Cluster Properties:
>  cluster-infrastructure: cman
>  dc-version: 1.1.10-14.el6_5.3-368c726
>  no-quorum-policy: ignore
>  stonith-enabled: false
> Are resource stopped on system which releases DC role in such situation?

The node that releases resources is not connected to which node remains the DC.
I'm guessing that both nodes have the resources running, which means that the newly elected DC for the combined cluster will stop the resources in both locations and choose one node on which to start it again.

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