LVM2 Capabilities

• You can create logical volumes, possibly spanning more then one physical disk, and give them any name.
• You can resize logical volumes.
• You can delete logical volumes.
• You can export logical volumes, in order to move them to a separate machine without changing the device names.
• You can create snapshots (a frozen version of a logical volume) in order to undo many changes in a single operation.

Originally written by guy keren