Protection of the virtual infrastructure is an essential topic for every administrator, to limit potential service disruption.
Virtual servers are the most critical infrastructure components since they provide services to the business. Suitable protection of VMs is therefore required to ensure data protection and business continuity.
In this chapter, we described specific availability (and resilience) solutions in vSphere, including the new vSphere HA features, Proactive HA, and Admission Control.
vSphere HA is the essential high-availability mechanism built into the vSphere suite that is responsible for VM restarts when the underlying ESXi hypervisor is unavailable.
Although vSphere HA can provide an essential and convenient availability level for all workloads, with minimum effort and cost, it's not suitable for business-critical workloads. In this case, other solutions...