GPT - (last) call for action
ivoras at fer.hr
Tue Jun 12 11:30:12 UTC 2007
Matthew Dillon wrote:
> It really sounds like they are making an accomodation for BIOS
> booting or older Windows booting... or *something* of that sort. The
> fact that the bootability bit is not set in the MBR (I'm not sure about
> that, is it set or not?)... that seems to imply a compatibility issue
The spec forbids bootable flag in the "protective MBR"
> with other OS's like Windows in a multi-boot environment.
> They are just doing it all with a single slice instead of having
> two slices.
This is "more" conformant to the spec, which says the protective MBR
should have only one partition which covers the whole disk.
I think that we can get away with > 1 fdisk slices which mirror the
first four GPT partitions on non-EFI machines.
This would probably mean modifying the gpt utility and module to mirror
the EFI partitions in the PMBR, controlled by a flag so that real EFI
machines don't get choked.
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