GPT Support on Freebsd
jhb at freebsd.org
Wed Oct 29 10:41:18 PDT 2008
On Wednesday 29 October 2008 11:52:19 am Franck Royer wrote:
> John Baldwin a écrit :
> > On Wednesday 29 October 2008 07:42:18 am Lowell Gilbert wrote:
> >> Franck Royer <royer.franck at 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
> > basically do:
> > # gpt create foo0
> > # gpt boot foo0
> > The second command creates a special boot partition in /dev/foo0p1. You
> > 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.
What device entries do you see in /dev?
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