How safe would it be to save the partition layout (eg sfdisk), zero the start of the disk, reapply the partition layout, and grub-install? At least for simple cases, where no additional volume management is being used?
How safe would it be to save the partition layout (eg sfdisk), zero the start of the disk, reapply the partition layout, and grub-install?
At least for simple cases, where no additional volume management is being used?