# fdisk /home/admin/xen/vm5.disk last_lba(): I don't know how to handle files with mode 81ed You must set cylinders. You can do this from the extra functions menu. Command (m for help): p Disk /home/admin/xen/vm5.disk: 0 MB, 0 bytes 255 heads, 63 sectors/track, 0 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /home/admin/xen/vm5.disk1 * 1 13 104391 83 Linux /home/admin/xen/vm5.disk2 14 652 5132767+ 8e Linux LVM Command (m for help):