Myth - VMware HA datastore heartbeats prevent host isolation

Eric Sloof explains the functionality of HA datastore heartbeats and how they play a part in host isolation detection. The key to take-away to understanding data heartbeats is

The absence of both a network and datastore heartbeat indicates full host failure. Datastores are used as a backup communication channel to detect virtual machine and host heartbeats. Datastore heartbeats are used to make the distinction between a failed, an isolated or a partitioned host.

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