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Xen 3.0 Virtualization User Guide
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8.1 Domain Save and Restore

The administrator of a Xen system may suspend a virtual machine's current state into a disk file in domain 0, allowing it to be resumed at a later time.

For example you can suspend a domain called ``VM1'' to disk using the command:

# xm save VM1 VM1.chk

This will stop the domain named ``VM1'' and save its current state into a file called VM1.chk.

To resume execution of this domain, use the xm restore command:

# xm restore VM1.chk

This will restore the state of the domain and resume its execution. The domain will carry on as before and the console may be reconnected using the xm console command, as described earlier.

Xen 3.0 Virtualization User Guide
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