Using VCHA (vCenter High Availability) in vSphere 6.5 – via Virtualization the Future
Using VCHA (vCenter High Availability) in…
A vCenter HA cluster consists of three vCenter Server Appliance instances. The first instance, initially used as the Active node, is cloned twice to a Passive node and to a Witness node. Together, the three nodes provide an active-passive failover solution.