On Wednesday, 18 October 2023 18:45:27 BST Neil Bothwick wrote: > On Wed, 18 Oct 2023 10:23:23 +0100, Michael wrote: > > > Oh, and if you use GPT, you no longer need the MBR compatibility > > > partition, or whatever its called. I no longer need it so I can't > > > remember the exact name. > > > > Man pages of partitioning tools refer to it as "Protective MBR", > > although I've seen it mentioned in the interwebs as "protective GPT", > > which I think is more accurate. It uses the first sector (LBA 0) to > > store an MBR table showing the whole disk, or 2TB if smaller, as an MBR > > partition. This is the first partition on the disk, typically 1 MiB in > > size. It is meant to stop 20 year old partitioning tools from messing > > up a GPT partitioning scheme because they can't see it. Arguably > > nobody uses Windows 98 these days, so it should be safe to not have a > > protective MBR on your GPT disks. > > You need it if your hardware doesn't support EFI booting.
Yes, quite right, a 4TB disk on a BIOS MoBo would need a GPT partitioning scheme to access all 4TB, but with an old MoBo you'd use a BIOS Boot Partition and GRUB as mentioned by Grant.
signature.asc
Description: This is a digitally signed message part.
