Hi All, We all know that when we get split brain situation in two nodes (openais+ pacemaker) cluster , both nodes try to stonith each other. if stonith action is "reset" and suppose node1 succeeds to reset node2 first . when node2 comes up and still finds the split brain situation, it stonith node1. and this (resetting each other) continues till the split brain is there. to prevent this we set stonith action to poweroff or dont enable openais service at startup.
If we compare the above openais+pacemaker cluster behaviour to RHCS , they are handling this situation pretty well , there when node2 comes up again and finds that split brain situation is still there , instead of stonithing node1 it resets itself. so the resetting each other in cycle does not happens. Does openais+pacemaker is also planning to do something like RHCS to get rid of this problem in future. Please share your view. Thanks and Regards, Priyanka.
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