Date: Tue, 30 Mar 2010 16:50:30 +0100 From: "N.J. Mann" <njm@njm.me.uk> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: freebsd-stable@freebsd.org Subject: Re: Re: boot and boot0cfg problem Message-ID: <20100330155030.GA6139@titania.njm.me.uk> In-Reply-To: <73161269963850@web103.yandex.ru> References: <E1NwWSU-000BDD-KZ@kabab.cs.huji.ac.il> <4BB1CE95.2090502@yandex.ru> <E1NwZER-000DPW-Mc@kabab.cs.huji.ac.il> <73161269963850@web103.yandex.ru>
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In message <73161269963850@web103.yandex.ru>,
Andrey V. Elsukov (bu7cher@yandex.ru) wrote:
> 30.03.10, 14:03, "Daniel Braniss" <danny@cs.huji.ac.il>:
>
> > > On 30.03.2010 12:05, Daniel Braniss wrote:
> > > > so it seems that someone is preventing changes to the partition table!
> > > > btw, this problem was not present in older boot0 (1.0) where the active
> > > > partition flag is ignored.
> > >
> > > You can change active partition via gpart(8).
> > >
> > Hi Andrey,
> > I'm sorry, I've reread the manual, and can't find the write magic.
>
> Yes, i also doesn't remember where it can be read. Only in g_part_mbr.c :)
> Try this:
> # gpart set -a active -i 1 ada2
> This will set active first partition on ada2:
> # gpart show ada2
> => 63 1250263665 ada2 MBR (596G)
> 63 40965687 1 !7 [active] (20G)
> 40965750 1209292875 2 !7 (577G)
> 1250258625 5103 - free - (2.5M)
>
> > btw, boot0cfg does call geom but something seems to be broken.
> I'll look boot0cfg code today and probably made a patch.
Do you need to disable the geom anti-foot-shooting feature? I seem to
remember it is something like:
sysctl kern.geom.debugflags=16
Cheers,
Nick.
--
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