Date: Thu, 26 Apr 2007 16:16:03 -0600 From: Scott Long <scottl@samsco.org> To: John Baldwin <jhb@freebsd.org> Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, freebsd-current@freebsd.org, Ivan Voras <ivoras@fer.hr>, freebsd-geom@freebsd.org Subject: Re: GPT as default? Message-ID: <463124A3.6070809@samsco.org> In-Reply-To: <200704261740.22987.jhb@freebsd.org> References: <52686.1177091835@critter.freebsd.dk> <46292461.5090503@samsco.org> <462928C7.8090400@FreeBSD.org> <200704261740.22987.jhb@freebsd.org>
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John Baldwin wrote: > On Friday 20 April 2007 04:55:35 pm Maxim Sobolev wrote: >> Scott Long wrote: >>> Poul-Henning Kamp wrote: >>>> In message <f0am4t$mmk$1@sea.gmane.org>, Ivan Voras writes: >>>> >>>>> Currently, the FreeBSD default is classic BSD partitions on top of >>>>> MSDOS partitions, and there are a couple of inconvenient things about >>>>> this arrangement: >>>> The BSD partitioning should be discontinued as fast and firmly >>>> as possible. By all means go GPT. >>>> >>> An i386/amd64 bootloader needs to be written that can understand GPT. >>> My understanding is that the ia64 EFI/GPT loader has very few reusable >>> bits. >> It probably crazy idea, but I wonder if it's feasible to have >> "mini-GEOM" layer in loader, so that it's possible to use existing GEOM >> classes codebase there with little or no modifications. > > The loader is the easy part. boot1/2 is the hard one. :( You need both an > EFI loader, and a non-EFI bootstrap to load a non-EFI loader that can grok > GPT for the non-EFI case where we still want to use GPT. > Are there real-world PC BIOS's that understand GPT but aren't EFI-based? Scott
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