DD can not copy extend partition
DD is an usual command to copy raw data from one place to the other. But it’s a drawback that can not support extend partition copy when make the whole hard disk copy. If you only have primary partitions on the hard disk, Using the below command to backup the whole hard disk,
dd if=/dev/hda of=hda.raw
restore it
Tags: backup, dd, linuxdd if=hda.raw of=/dev/hda
