For further platform deployment, we need at least one virtualization host. Of course, it is better to have two virtualization hosts. If we have more than one virtualization host, we can use the advanced virtualization features such as live migration and high availability. Install the virtualization hosts to utilize the physical servers. oVirt Engine as well as the virtualization hosts must be registered in DNS.
So the next step is to install, or to be more precise, prepare the server for the role of virtualization host. What does this mean? In earlier versions of oVirt, the virtualization host setup could be run in the following two ways: