DD 克隆/恢复 Linux 分区
The MBR is stored in the the first 512 bytes
of the disk. It consist of 3 parts:
- The first 446 bytes contain the boot loader.
- The next 64 bytes contain the partition table (4 entries of 16 bytes each, one entry for each primary partition).
- The last 2 bytes contain an identifier
Clone the MBR as mbr.img:
dd if=/dev/sdX of=/path/mbr_file.img bs=512 count=1
Clone partition as pX.img
dd if=/dev/sdX of=/path/pX.img bs=1024
Restore the MBR to new disk
dd if=/path/mbr_file.img of=/dev/sdY bs=512
Restore Partition to new disk
dd if=/path/pX.img of=/dev/sdX bs=1024