Howtoforge shows you how to use RAW devices in VirtualBox VMs

Usually, VirtualBox creates its virtual machines in disk images (.vdi, .vmdk, etc.). This tutorial explains how you can use RAW devices from the host (partitions, LVM volumes, etc.) and create a VirtualBox VM in it. I will also explain how to mount a RAW device in an existing VM.

  Using RAW Devices In VirtualBox VMs