[Users] split brain in drbd dual primary setup

[Sergej Kandyla]

Philipp Wehrheim пишет:
>> OpenVZ for Virtualization
>> DRBD with ocfs2 in dual primary mode
>>     
>
> Why are you using active/active and a cluster-fs???
> this makes things more complex than they have to be.
>
>   
+1
highavailability means that second reserve node always standby. (I.e. 
master-slave).
When failure occurs on first master node, heartbeart starts standby node 
as a master.