Date: Mon, 29 Nov 2004 20:57:29 -0500 From: Paul Mather <paul@gromit.dlib.vt.edu> To: Andrea Campi <andrea+freebsd_stable@webcom.it> Cc: freebsd-stable@freebsd.org Subject: Re: bios disk numbers and device names Message-ID: <1101779849.83013.8.camel@zappa.Chelsea-Ct.Org> In-Reply-To: <20041129140655.GB31719@webcom.it> References: <20041129101033.GH98559@grant.org> <200411292133.25842.doconnor@gsoft.com.au> <20041129123958.GA31719@webcom.it><20041129140655.GB31719@webcom.it>
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On Mon, 2004-11-29 at 15:06 +0100, Andrea Campi wrote:
> The manpage explains it all, and that's all I know as well. glabel
> specifies a transient label, i.e. it's not saved on the disk, so you
> loose it on reboot or if the disk goes away.
Glabel can create both transient and permanent labels: "glabel create
label provider" is transient; "glabel label label provider" is
permanent. In the latter case, the label metadata is stored in the last
sector of "provider." If geom_label is built into the kernel, or loaded
as a kernel module at boot (e.g., via /boot/loader.conf) then labelled
providers will be automagically discovered and /dev/label/... entries
created during boot. In this way, devices can be given logical labels
that will stick with them when they move around.
Cheers,
Paul.
--
e-mail: paul@gromit.dlib.vt.edu
"Without music to decorate it, time is just a bunch of boring production
deadlines or dates by which bills must be paid."
--- Frank Vincent Zappa
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