vtoydm -i -f $VTOY_PATH/ventoy_image_map -d /dev/${MDEV:0:-1} > $VTOY_PATH/iso_file_list
vtLine=$(grep '[-][-] modloop-lts ' $VTOY_PATH/iso_file_list)
sector=$(echo $vtLine | awk '{print $(NF-1)}')
length=$(echo $vtLine | awk '{print $NF}')
vtoydm -i -f $VTOY_PATH/ventoy_image_map -d /dev/${MDEV:0:-1} > $VTOY_PATH/iso_file_list
vtLine=$(grep '[-][-] modloop-lts ' $VTOY_PATH/iso_file_list)
sector=$(echo $vtLine | awk '{print $(NF-1)}')
length=$(echo $vtLine | awk '{print $NF}')