Opennebula Physical or Virtual

I am trying to decide if we should run opennebula on physical servers or virtual. What is everyone doing?

Also what is the hardware requirements?

We do plan to separate the opennebula components to different VMs.

Im running the ONE in VM with 4VCPU and 16GB Memory. So far no issues.

In Table 2 of the Open Cloud Reference Architecture document you can find recommendations for the front-end capacity:

Excellent! Thank you for your help