Date: Wed, 29 Oct 2008 15:52:19 +0000 From: Franck Royer <royer.franck@gmail.com> To: John Baldwin <jhb@FreeBSD.org> Cc: Franck Royer <royer.franck@gmail.com>, questions@FreeBSD.org Subject: Re: GPT Support on Freebsd Message-ID: <490886B3.4070204@free.fr> In-Reply-To: <200810291101.29795.jhb@FreeBSD.org> References: <49059437.4000700@free.fr> <44ljw7eig5.fsf@lowell-desk.lan> <200810291101.29795.jhb@FreeBSD.org>
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John Baldwin a écrit : > On Wednesday 29 October 2008 07:42:18 am Lowell Gilbert wrote: > >> Franck Royer <royer.franck@gmail.com> writes: >> >> >>> Can I oblige pcbsd to look the gpt table instead of the msdos one ? How >>> can I access to my fifth partition ? >>> >> John Baldwin (jhb) has been working on GPT support, but it's still >> reported to be a work in progress. It works as far as recognizing >> disks over 16TB. It also gets picked up by the geom framework. I'm >> not sure about booting, although there are tantalizing hints in the >> manual pages. >> > > GPT booting works just fine on 6.x and later. Using the gpt(8) utility you > basically do: > > # gpt create foo0 > # gpt boot foo0 > > The second command creates a special boot partition in /dev/foo0p1. You can > then add partitions: > > # gpt add -t ufs <other params like size if needed> foo0 > # newfs /dev/foo0p2 > > gpart(8) in HEAD works similarly. The one thing lacking is that > sysinstall/libdisk doesn't handle GPT, so there isn't a nice way to do it > during installation. > > Ok thank you. But actually, it's not what I'm looking for. I use freebsd on a macbook. On this macbook, I already have a gpt, refit, mac os x and some linux partitions. The problem is freebsd, which doesn't recognize partitions after the fourth one (but my gentoo linux see them). Then, I suppose freebsd use the mbr partition table (synchronized from the gpt one using refit) to populate the /dev, but partitions after the fourth, which are those I want to use, are only indexed in the gpt. Finally, I want to force freebsd to use the gpt on my hard drive to allow it to see others partitions. I don't want to destroy my actual gpt, maybe one day, but no right now. Tell me if my english is too bad to be understood. I just want to precise that I use pcvbsd 7.0, so the kernel configuration might be different than the freebsd generic one. Thank you for your answers. Franckhelp
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