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Ubuntu (Trusty vanilla) pcmk 1.1.10+git20130802-1ubuntu2.3, libqb 0.16.0.real-1ubuntu3, corosync 2.3.3-1ubuntu1
(corosync-notifyd is not running)
1) stop corosync at node-1
- node-2 (current DC) reports immediately:
	 ==> /var/log/remote/node-2.test.domain.local/pengine.log <==
	2015-04-10T11:50:53.662792+00:00 warning:   warning: stage6: YOUR RESOURCES ARE NOW LIKELY COMPROMISED
	2015-04-10T11:50:53.662792+00:00 err:     error: stage6: ENABLE STONITH TO KEEP YOUR RESOURCES SAFE
- node-3 notices nothing and considers node-1 is online.
- pcs statuses:
		    {:stdout=>"node-1.test.domain.local\nFri Apr 10 11:57:22 UTC 2015\n",     :stderr=>"Could not establish cib_ro connection: Connection refused (111)\n",     :exit_code=>1}
		    {:stdout=>      "node-3.test.domain.local\nFri Apr 10 11:57:22 UTC 2015\nCurrent DC: node-2.test.domain.local (2) - partition with quorum\nOnline: [ node-1.test.domain.local node-2.test.domain.local node-3.test.domain.local ]\n",     :stderr=>"",     :exit_code=>0}
		    {:stdout=>      "node-2.test.domain.local\nFri Apr 10 11:57:22 UTC 2015\nCurrent DC: node-2.test.domain.local (2) - partition with quorum\nNode node-1.test.domain.local (1): UNCLEAN (offline)\nOnline: [ node-2.test.domain.local node-3.test.domain.local ]\n",     :stderr=>"",     :exit_code=>0}
- Pacemaker status:
	# ssh node-1 service pacemaker status
	pacemakerd is stopped