MBR 혹은 partition table dump 명령어, device node 로 부터 ufs, emmc dump

dd if=/dev/block/vold/disk:8,0 of=/data/local/tmp/mbr-dump bs=512 count=1

dd if=/dev/block/vold/disk:179,64 of=/data/local/tmp/mbr-dump bs=512 count=1

dd if=/dev/block/vold/disk:179,0 of=/data/local/tmp/dump bs=512 count=1

- usb storage low image 위치

/dev/block/vold/disk:8,0

혹은 

/dev/block/sda        => dump 뜨면 MBR 부터 떠짐

/dev/block/sda1        => dump 뜨면 partition 부터 떠짐

/data/local/tmp/mbr-dump

dd if=/dev/block/sda of=/data/local/tmp/sda-dump bs=512 count=1