When configuring VMware High Availability (HA) cluster, you have the possibility to check as a secondary communication channel  a datastore (or several ones), during the configuration wizard. VMware Datastore Hearbeating provides an additional option for determining if host is in failed state or not. Before vSphere 5.0 era, in vSphere 4.1, if host had a hardware … Continue reading VMware datastore hearbeating – How this functionality works?