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Virtualization shoot-out: Red Hat Enterprise Virtualization
Red Hat's server virtualization solution mixes ease and scalability with a few odd limitations
Follow @pveneziaScheduling backups of RHEV virtual machines is handled via the command line; there's no GUI equivalent. This essentially amounts to writing some cron jobs with CLI calls. It's not terribly difficult, but it's not as clean and fluid as the Microsoft and VMware solutions, which have built-in backup schedulers.
Updating the hosts is fairly straightforward, with automated processes to determine when updates are available, place the host into maintenance mode, evacuate the virtual machines, perform the updates, and bring the host back into the cluster. If the virtualization host is running the full RHEL installation versus the small-footprint RHEL Hypervisor build, updates can be delivered through Red Hat's RHN update mechanisms as well.
Snapshots and templates work as you might expect. However, as noted above, deploying many servers from a single template requires the use of pools, which are useful for desktops but don't really work well for servers. You can always resort to the CLI and scripting, but otherwise, deploying servers is a manual process.
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