Re: 2.5 'what to expect'

From: Kevin P. Fleming (
Date: Wed Jul 16 2003 - 18:05:09 EST wrote:

> GNU parted has had the GPT code for a couple years now, and
> CONFIG_EFI_PARTITION has been in both 2.4.x and 2.5.x trees for over a
> year. To the best of my knowledge and experience, it works equally well
> on x86 as on IA-64, modulo booting with traditional BIOSs of course.

When I rebuilt my server a few months back, I wanted to use GPT
partitioning so I could have UUIDs on the partitions, etc. The
stumbling block that I ran into is there are no boot loaders that
support GPT partitioning (LILO and GRUB being the obvious ones). Even
though my BIOS doesn't care and would load the MBR, that MBR has to
accomplish something useful.

Since GPT partitioning is normally only used in IA-64 land, and all
IA-64 systems come with EFI stuff that handles the tasks that
LILO/GRUB would handle on an x86 system, I guess there hasn't been
much demand for GPT support for non-EFI systems. So the BIOS is not
really the issue, since "traditional BIOSs" (as Matt referred to them)
  don't handle bootloading tasks at all except at the most basic level.

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