'postInstall' => '

                        echo "n" > /tmp/partoche
                        echo "l" >> /tmp/partoche
                        echo " " >> /tmp/partoche
                        echo " " >> /tmp/partoche
                        echo "t" >> /tmp/partoche
                        echo "6" >> /tmp/partoche
                        echo "8e" >> /tmp/partoche
                        echo "w" >> /tmp/partoche
                        fdisk /dev/sda < /tmp/partoche
                        sleep 3
                        lvm2 vgscan
                        lvm2 vgchange -a y
                        lvm2 pvcreate -y -ff /dev/sda6
                        lvm2 vgs xen_disk
                        lvm2 vgcreate xen_disk /dev/sda6
                        lvm2 vgs --noheading --nosuffix --units s -o vg_extent_size xen_disk
                        lvm2 vgs --noheading --nosuffix --units s -o vg_size xen_disk
                        sleep 3
                '