From owner-freebsd-hackers@FreeBSD.ORG  Fri May 27 13:47:54 2011
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Date: Fri, 27 May 2011 13:47:54 +0000
From: Alexander Best <arundel@freebsd.org>
To: rank1seeker@gmail.com
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Cc: hackers@freebsd.org
Subject: Re: Active slice, only for a next boot
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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

> 
> 
> Domagoj Smol?i?
> 
> 

-- 
a13x