Red Hat Virtualization

1. Log in to workstation as student, using student as the password. Open Firefox and log in to the Administration Portal using the https://rhvm.lab.example.com URL. The username is admin, the domain is internal, and the password is redhat.

2. Click on Compute, and then click on Virtual Machines.

3. Look at the Host column for each virtual machine. If the column has a value of hostc.lab.example.com, right-click the name of the virtual machine and select Shutdown. Click on Confirm to shut down the virtual machine.

   Important

   Do not attempt to switch off the HostedEngine virtual machine. This virtual machine is the self-hosted RHV-M installation.

1. Click on Compute, and then click on Hosts.

2. Click on hostc.lab.example.com.

3. From the Management drop-down menu, select Maintenance to put hostc.lab.example.com into maintenance mode. This opens the Maintenace Host(s) window. In the Reason box, type removing hostc.lab.example.com from the cluster. Click on OK.

4. Confirm that the Status of hostc.lab.example.com is Maintenance.

1. Click on hostc.lab.example.com. Click on the Remove button. This opens the Remove Host(s) window. In the Reason box, type removing hostc.lab.example.com from the default cluster. Click on OK.

2. Click on Events. Notice the events for hostc.lab.example.com.

   The events below are listed in the order in which they occur. In the Administration Portal, the event order may be selected by clicking the Time column heading in the Events table.

   • Ansible host-remove playbook execution started on host hostc.lab.example.com.

   • Ansible host-remove playbook execution has successfully finished on host hostc.lab.example.com. For more details check log /var/log/ovirt-engine/ansible/ansible-20190722023326-ovirt-host-remove_yml.log

   • Host hostc.lab.example.com was removed by admin@internal-authz.

   Note

   It can take several minutes for all the system event messages to appear.

1. Click on Compute, and then click on Hosts.

2. Click on the New button. This opens the New Host window.

3. In the New Host window, enter the following configuration settings:

   • Choose clustertwo as the Host Cluster.

   • Enter hostc.lab.example.com in the Name field.

   • Enter hostc.lab.example.com in the Hostname field.

   • Enter redhat in the Password field.

   Click the OK button to add hostc.lab.example.com to the cluster.

4. Click OK in the Power Management Configuration window.

   The Status of hostc.lab.example.com is Installing. It takes several minutes for the Status to change to Up.

The events below are listed in the order in which they occur. In the Administration Portal, the event order may be selected by clicking the Time column heading in the Events table.