Grub2

Data Migration

cd /mnt && mkdir {source,target}

• Checking disk availability

 fdisk -l /dev/sdb

• Check if Grub2 installed

 dd if=/dev/sda bs=512 count=1 | xxd 
 dd if=/dev/sdb bs=512 count=1 | xxd 

• mount source and target

 mount /dev/sdb1 /mnt/target
 mount /dev/sda1 /mnt/source

• copy data

 /mnt/source
 tar cf - . | (cd /mnt/target/; tar xvf -)

• umount source

 cd ..
 umount /mnt/source

• install grub2

 grub-install --force --no-floppy --root-directory=/mnt/target/ /dev/sdb