4.4. Adding and Removing Physical Hosts

Creating and deleting hosts is a simple task using oVirt's Administration User Interface.

4.4.1. Adding Physical Hosts

As the hardware administrator you will frequently need to add physical hosts to new or existing resource pools.

To add a host to an existing hardware pool:

Navigate to the hardware pool in the Navigator panel. The Summary page displays in the Content pane, with the Hardware Resource menu.
Click Hosts from the Hardware Resource menu to view existing hosts. The Hosts toolbar displays. The Content pane lists any existing hosts.

The following information about the existing hosts displays:
- Host Name - The name of the host
- UUID - The unique identifier of the host
- Hypervisor Type - the type of hypervisor
- CPUs - the number of processors in the host
- Speed - the speed of the processors
- Arch - the version of the processors
- RAM - the size of the memory, and the percentage currently in use
- Status - the availability of the host
- Load - the current load of the host
If there are no hosts for the selected resource, the content pane displays a message prompting you to add the first host for the resource.
Click Add Host from the Hosts toolbar, (or click Add first host to this hardware pool if there are no existing hosts. The Add Host dialog box displays.

The Add Host dialog box displays the availability and usage statistics of the available hosts.
Select an available host. An available host is any host that the user has permissions on and does not have any VMs currently running on it.
Select the check box of the hosts that you wish to add to the hardware pool. At least one check box must be selected for the Add Host button to be enabled.
Click Add Host. The host displays on the Summary Page of the hardware pool.
To view all the hosts in the hardware pool, Click Hosts on the menubar. The new host displays in the list of hosts on the Hosts Page of the hardware pool.