Add/remove disk to Xen instance
To add a physical disk to a xen instance..
xm block-attach ID phy:/dev/sda1 /dev/xvda1 w
Replace "ID" with whatever instance id you need (get from xm list)
To see what block devices are attached..
xm block-list ID
To remove one..
xm block-detach ID Vdev
Replace ID & Vdev accordingly.
Tags: xen vps linux