'partitions' =>         [
                                {
                                        'size' => 11000000,
                                        'type' => 1155,
                                        'mntpoint' => '/',
                                        'hd' => 'sda',
                                },
                                {
                                        'size' => 270000,
                                        'type' => 130,
                                        'mntpoint' => 'swap',
                                        'hd' => 'sda',
                                },
                                {
                                        'size' => 800000000,
                                        'type' => 0x8e,
                                        'mntpoint' => 'xen_lvm',
                                        'hd' => 'sda',
                                },
                                {       'VG_name' => 'xen_disk',
                                        'parts' => 'xen_lvm' 
                                },
                        ],