Chapter 7. Upgrading Red Hat Enterprise Virtualization Hypervisors
7.1. Upgrading a RHEV Hypervisor with a RHEV Manager
- Download the latest RHEV Hypervisor RPM package from Red Hat Network.Or, download the latest RHEV Hypervisor ISO image from Red Hat Network
- Copy the ISO image file to the
C:\Program Files\RedHat\RHEVManager\Service\RHEV-H Installerfolder on the Red Hat Enterprise Virtualization Manager server.
- Change the file permissions so that
NETWORK SERVICEhas full control of the iso file.
- Use Windows Explorer to navigate to
- Right-click on the updated file, for example,
rhev-hypervisor.iso, and select the Properties option. The Properties dialog displays.
- Click the Security tab, and select NETWORK SERVICE from the Group or user names panel.
- In the Permissions panel, click the Allow Full Control check box.
7.1.2. Upgrading a RHEV Hypervisor
- Click the Hosts tab.A list of hosts displays. Select the host that you intend to upgrade.If the host is not displayed, perform a search.
- On the Details pane, click the General Tab.
Figure 7.1. General Pane with Upgrade ButtonAn Alert Message indicates that a new version of the RHEV Hypervisor is available. The Up. A tooltip directs you to switch to maintenance mode to enable upgrade.link is disabled if the host is has a status of
Figure 7.2. Upgrade Button
- Select the host and click the Maintenance, the message in the general tab changes, providing you with a selectable link to re-install or upgrade the host.button. This will cause any virtual machines running on the host to be migrated to other hosts. If the host is the SPM, this function will be moved to another host. The status of the host changes as it enters maintenance mode. When the host status is
- Click the link. The Install Host dialog displays.
Figure 7.3. Install Host Dialog
- Select the appropriate file from the list of available ISOs to upgrade the host. This is usually rhev-hypervisor.iso.
- Click Hosts tab, and the status changes appropriately.to upgrade and re-install the host. The dialog closes, the details of the host are updated in theThe host status transitions through the following stages: Installing, Reboot, Non Responsive, and Up. These are all normal, and may take some time.
- Once successfully upgraded, the host displays a status of Up. Any virtual machines that were migrated off the host, may be migrated back onto the upgraded host.