Saturday, April 24, 2010

Virtualization: Booting a Guest Domain

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Booting a Guest Domain



You can boot guest domains by using the xm application. You can also use virsh and the Virtual Machine Manager to boot the guests. A prerequisite for booting a guest domain is to install a guest host first. This example uses the xm create subcommand:


# xm create -c guestdomain1

The guestdomain1 is the configuration file for the domain you are booting. The -c option connects to the actual console after booting.


Starting/Stopping a Domain at Boot Time

You can start or stop running domains at any time. Domain0 waits for all running domains to shutdown before restarting. You must place the configuration files of the domains you wish to shut down in the /etc/xen/ directory. All the domains that you want to start at boot time must be symlinked to /etc/xen/auto.


chkconfig xendomains on

The chkconfig xendomains on command does not automatically start domains; instead it will start the domains on the next boot.


chkconfig xendomains off

Terminates all running Red Hat Virtualization domains. The chkconfig xendomains off command shuts down the domains on the next boot.


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