+
+
+ if ! [ -b $PART2 ]; then
+ MajorMinor=$(sed "s/:/ /" /sys/class/block/${PART2#/dev/}/dev)
+ echo "mknod -m 0660 $PART2 b $MajorMinor ..."
+ mknod -m 0660 $PART2 b $MajorMinor
+
+ if ! [ -b $PART1 ]; then
+ MajorMinor=$(sed "s/:/ /" /sys/class/block/${PART1#/dev/}/dev)
+ echo "mknod -m 0660 $PART1 b $MajorMinor ..."
+ mknod -m 0660 $PART1 b $MajorMinor
+ fi
+ fi
+
+ echo "create efi fat fs $PART2 ..."
+ for i in 0 1 2 3 4 5 6 7 8 9; do
+ if mkfs.vfat -F 16 -n VTOYEFI $PART2; then
+ echo 'success'
+ break
+ else
+ echo "$? retry ..."
+ sleep 2
+ fi
+ done
+}
+
+
+format_ventoy_disk_gpt() {
+ reserve_mb=$1
+ DISK=$2
+ PARTTOOL=$3
+
+ PART1=$(get_disk_part_name $DISK 1)
+ PART2=$(get_disk_part_name $DISK 2)
+
+ sector_num=$(cat /sys/block/${DISK#/dev/}/size)
+
+ part1_start_sector=2048
+
+ if [ $reserve_mb -gt 0 ]; then
+ reserve_sector_num=$(expr $reserve_mb \* 2048 + 33)
+ part1_end_sector=$(expr $sector_num - $reserve_sector_num - $VENTOY_SECTOR_NUM - 1)
+ else
+ part1_end_sector=$(expr $sector_num - $VENTOY_SECTOR_NUM - 34)
+ fi
+
+ part2_start_sector=$(expr $part1_end_sector + 1)
+ part2_end_sector=$(expr $part2_start_sector + $VENTOY_SECTOR_NUM - 1)
+
+ export part2_start_sector
+
+ vtdebug "part1_start_sector=$part1_start_sector part1_end_sector=$part1_end_sector"
+ vtdebug "part2_start_sector=$part2_start_sector part2_end_sector=$part2_end_sector"
+
+ if [ -e $PART2 ]; then
+ echo "delete $PART2"
+ rm -f $PART2
+ fi
+
+ echo ""
+ echo "Create partitions on $DISK by $PARTTOOL in GPT style ..."