Has the configurable option “Failure Detection Time” in VMware HA has been removed in vSphere
5?
A.
No. It is an advanced setting.
B.
Yes. It is no longer needed due to additional storage checks in the VMware HA isolation
response process.
Explanation:
vSphere 5 will use datastore heartbeats in a disaster. Thus, this setting is no longer available
orsupported in VMware vSphere 5.
Chapter 4, The Importance of vMotion, VMware HA, and Fault Tolerance