The main components of the infrastructure are the virtualization hosts called Hosts.
Start and run the VMs on the hosts. All hosts are members of the cluster. Joining Hosts into clusters accomplishes many goals, for example, creating a logical structure in the virtualization environment or creating a separated group of servers for special purposes. Also, hosts can be joined into clusters by CPU type.
The configuration of virtualization hosts in oVirt is simple and requires only a physical server that meets the hardware requirements with CentOS/RHEL preinstalled and accessible via SSH. This host must have a preconfigured VDSM repository. This issue is described in Chapter 2, Installing oVirt, in the oVirt Engine setup section.
After clicking on Configure Hosts in the Guide Me wizard, a dialog box for adding virtualization host is displayed, which has the following three sections:
General: Here you should enter the basic settings for the new host. These settings are given...