[CentOS] Install CentOS 7 on MBR hard disk

[Chris Murphy]

On Thu, Feb 15, 2018, 4:18 PM Stephen John Smoogen <smooge at gmail.com> wrote:

>
> The only other thing I can think of is that the disk was already
> formatted to GPT. In that case it has to be EFI. [I had a disk which
> was GPT partitioned and removing that was quite a challenge as I had
> done a 'dd if=/dev/zero of=/dev/sda bs=512 count=10' and it still kept
> coming up as GPT. I believe I had to run a different disk command to
> really clean it.]
>


GPT has primary login at drive start, and backup location at drive end. To
remove it requires wipefs -a /dev/ and it will remove the signature found
in both primary and backup.



Chris Murphy