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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