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add note about two_node cluster option

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Dietmar Maurer 2015-02-21 10:26:38 +01:00
parent 76737af561
commit 71bf7e6b96
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@ -50,6 +50,14 @@ long as there are running services on that node.
The HA manger can assume that the watchdog triggered a reboot when he
is able to aquire the 'ha_agent_${node}_lock' for that node.
=== Problems with "two_node" Clusters ===
This corosync options depends on a fence race condition, and only
works using reliable HW fence devices.
Above 'self fencing' algorithm does not work if you use this option!
== Testing requirements ==
We want to be able to simulate HA cluster, using a GUI. This makes it easier