Date: Fri, 27 May 2011 18:21:05 +0100 From: Chris Rees <utisoft@gmail.com> To: rank1seeker@gmail.com Cc: hackers@freebsd.org Subject: Re: Active slice, only for a next boot Message-ID: <BANLkTi=3OCZ8zGdQVdfKzVJgzT%2BqbHxGEQ@mail.gmail.com> In-Reply-To: <20110527.164723.750.2@DEV> References: <20110527.124553.718.1@DEV> <20110527134754.GA94769@freebsd.org> <20110527.164723.750.2@DEV>
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On 27 May 2011 17:47, <rank1seeker@gmail.com> wrote: > > ----- Original Message ----- > From: Alexander Best <arundel@freebsd.org> > To: rank1seeker@gmail.com > Cc: hackers@freebsd.org > Date: Fri, 27 May 2011 13:47:54 +0000 > Subject: Re: Active slice, only for a next boot > > > On Fri May 27 11, rank1seeker@gmail.com wrote: > > > Idea is ... > > > I have i.e; 3 slices, of which first is active. > > > Now I wana set slice 2 active, but only for a one/next boot. > > > Once slice 2 is booted and system is shutdown or rebooted, once again, > first slice is active and booted, without user's intervention. > > > > > > Is this possible or should be implemented? > > > > take a look at the gpart(8) manual, expecially the ATTRIBUTES section. if > you > > are running with a GPT scheme you can use the "bootonce" attribute to do > > exactly what you asked for. > > > > cheers. > > alex > > > > Thanls, but I need it for MBR. > > Domagoj S. MBR has only a one-bit wide field for active status. You'll need logic in the first boot to change the flag, perhaps an fdisk statement. Chris
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