Github user xenserverarmy commented on the pull request: https://github.com/apache/cloudstack-docs-rn/pull/21#issuecomment-104945193 I agree that we should add this to the 4.4 and 4.5 notes, but would suggest an addition relating to the config-timeout. The default has changed with XenServer version, and I don't recall it ever being 180. Text similar to the following would alert admins to the issue of aggressive fencing with redundant controllers. .... Occasionally XenServer will determine that a storage heartbeat failure has occurred and fence a host, or worse an entire pool. This typically occurs when a redundant storage solution or a storage solution with redundant controllers is used, and the failover timer used by the storage solution is longer than the default XenServer HA timeout of 30 seconds. The value for this timeout can be changed, but itâs important to know that simply enabling HA from within XenCenter, or using the default form of the pool-enable-ha command will reset the timeout to the default value. In the following example, the timeout has been increased from the default to two minutes. # xe pool-enable-ha heartbeat-sr-uuids={SR-UUID} ha-config:timeout=120
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