[Pacemaker] upadeting "configuration explained" (was: Re: spilit brain situation)

Raoul Bhatia [IPAX] r.bhatia at ipax.at
Fri Feb 6 13:04:14 UTC 2009


Dominik Klein wrote:
> Romi Verma wrote:
>> Thanks for fast reply ,
>> Ok, Let me explain the situation. i have two nodes cluster . i pulled out
>> the network cable of one
>> node which produced spilit brain situation. this time both nodes are
>> thinking that other one is dead.  each node is thinking itself as DC and on
>> each node cluster is up and running without quorum.
>>
>> i am new to openais/pacemaker so dont know much but according to some
>> documents it seems by default no-quorum-policy is  to "stop" the cluster. i
>> have not specified any no-quorum-policy that's why i expect that my cluster
>> should stop if it looses quorum somehow.
> 
> The "stop" refers to the resources. policy=stop on a node with no quorum
> means: do not run any resources.
> 
> "ignore" would mean: run resources even though we don't have quorum
> (like the old heartbeat behaviour would be)
> 
> "freeze" would mean: run and manage what you did run up to this point,
> but don't aquire any other resources.

i think it would be good to include suicide (why is this not mentioned?)
and add this description to the "configuration explained" document.

cheers,
raoul
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