Potential F14 feature: Use GPT partition table by default for "wipe complete HD" installations

[Till Maas]

On Fri, Mar 19, 2010 at 10:34:59AM +0100, Karel Zak wrote:
> On Thu, Mar 18, 2010 at 11:25:45PM -0500, Matt Domsch wrote:
> > On Thu, Mar 18, 2010 at 09:55:37PM +0100, Till Maas wrote:
> > > Hi,
> > > 
> > > how about using GPT[0] partitions for F14 for all installations that wipe
> > > the whole disk to install Fedora? It is also considered to be good by
> > > Tejun Heo[1] and it seems to work nicely already on F12. I just
> > > partitioned a new HD using gdisk and the kernel seems to recognise it
> > > without any problems.
> > 
> > Very few BIOSes can boot from a GPT disk. 
> 
>  Urban legend...

I am also pretty sure that a BIOS does not consider the partition table
to boot, because it only needs to access the first 440 (maybe 446) bytes
of hard disk, which will not be touched by GPT:
http://en.wikipedia.org/wiki/Master_boot_record

> > EFI/UEFI can, as can legacy
> > BIOS if you do something ugly like gptsync so the MBR partition table
> > and the GPT partition table at least somewhat agree.
> 
>  The problem is old grub.

But the Fedora grub is supposed to support it for a long time:
| * Mon Jul 16 2007 Peter Jones <pjones redhat com> - 0.97-15
| - Support booting from GPT

Regards
Till
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