vt_parse_iso_volume "${vtoy_iso_part}${vt_chosen_path}" vt_system_id vt_volume_id vt_volume_space
if [ $vt_volume_space -ne $vt_chosen_size ]; then
vt_parse_iso_volume "${vtoy_iso_part}${vt_chosen_path}" vt_system_id vt_volume_id vt_volume_space
if [ $vt_volume_space -ne $vt_chosen_size ]; then