Date: Tue, 12 Jun 2007 13:20:32 +0200 From: Ivan Voras <ivoras@fer.hr> To: freebsd-current@freebsd.org Cc: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org, freebsd-geom@freebsd.org Subject: Re: GPT - (last) call for action Message-ID: <466E8180.6090600@fer.hr> In-Reply-To: <200706112033.l5BKXgNf052683@apollo.backplane.com> References: <f4ek4o$i4u$1@sea.gmane.org> <4AB3C4C0-0DA1-482F-A4CD-375A53332F29@mac.com> <f4f14d$lhe$1@sea.gmane.org> <4D7CDA24-48FE-4319-A320-C8D7165E9EBC@mac.com> <200706092128.l59LSjRs027671@apollo.backplane.com> <57F8CCC1-1841-41AE-9F82-0C87FE53BE99@mac.com> <200706101752.l5AHqdE0035954@apollo.backplane.com> <8B01C1EC-D61A-484F-B308-6D6C8EB00EE6@mac.com> <861wgjwnrw.wl%rpaulo@fnop.net> <200706102143.l5ALhQut038340@apollo.backplane.com> <86zm37v4ns.wl%rpaulo@fnop.net> <B76664DB-2AC5-4196-979A-EF6E36FAFDCD@mac.com> <86lkeqxo89.wl%rpaulo@fnop.net> <EED5019B-C141-454A-8C5C-6F5E9A294FD8@mac.com> <200706112033.l5BKXgNf052683@apollo.backplane.com>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig289831A78775945CD87CD84A Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Matthew Dillon wrote: > It really sounds like they are making an accomodation for BIOS > booting or older Windows booting... or *something* of that sort. T= he > fact that the bootability bit is not set in the MBR (I'm not sure a= bout > that, is it set or not?)... that seems to imply a compatibility iss= ue The spec forbids bootable flag in the "protective MBR" > with other OS's like Windows in a multi-boot environment. >=20 > 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=20 should have only one partition which covers the whole disk. I think that we can get away with > 1 fdisk slices which mirror the=20 first four GPT partitions on non-EFI machines. This would probably mean modifying the gpt utility and module to mirror=20 the EFI partitions in the PMBR, controlled by a flag so that real EFI=20 machines don't get choked. --------------enig289831A78775945CD87CD84A Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFGboGKldnAQVacBcgRAlVrAJ0bZTsfRe+3Ydmbi4dsJMt4man6twCeP6OD wC1nzizf5G95YgR8pkwj7wY= =9nnm -----END PGP SIGNATURE----- --------------enig289831A78775945CD87CD84A--
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