Storage and Migration
These two storage techniques—flat files and LVM—lend themselves well to easy and automated cold migration, in which the administrator halts the domain, copies the domain's config file and backing storage to another physical machine, and restarts the domain.
Copying over a file-based backend is as simple as copying any file over the network. Just drop it onto the new box in its corresponding place in the filesystem, and start the machine.
Copying an LVM is a bit more involved, but it is still straightforward: Make the target device, mount it, and move the files in whatever fashion you care to.
Check Chapter 9 for more details on this sort of migration.
Network Storage
These two storage methods only apply to locally accessible storage. ...
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