In recent versions of GNU Parted, you can set the biOS_grub option on a partition to turn it into a BIOS boot partition.
The data recovery of hard disk software failure can be solved by the following ways, the recovery of main boot partition, partition table, DBR, zero track and the file deleted by mistakes.
The same is technically true of GPT; however, if a GPT disk includes a BIOS boot partition, GRUB 2 will store extra code in that partition.
