clustering

I'm working in a new environment and before my time they under spec'd their vSphere ESXi host servers. Afterwards, they went and bought a few physical servers to handle heavy workloads. So they have a small virtualized environment for non-essential servers and a few mission critical physical...

It seems difficult to find a solid answer to this question. VMs are running on vSphere 5.5 across multiple ESXi hosts. VMware documentation says both physical and virtual are supported in this configuration but physical is recommended. The same documentation also states, "Clusters across...