What are the roles of a master host in vSphere HA?
October 16, 2019
Monitoring the state of slave hosts. If a slave host fails or becomes unreachable, the master host identifies which virtual machines need to be restarted.
Monitoring the power state of all protected virtual machines. If one virtual machine fails, the master host ensures that it is restarted. Using a local placement engine, the master host also determines where the restart should be done.
Managing the lists of cluster hosts and protected virtual machines.
Acting as vCenter Server management interface to the cluster and reporting the cluster health state.
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