Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 10 Feb 2010 00:30:59 -0800
From:      Jeremy Chadwick <freebsd@jdc.parodius.com>
To:        freebsd-stable@freebsd.org
Subject:   Re: zpool vdev vs. glabel
Message-ID:  <20100210083059.GA62117@icarus.home.lan>
In-Reply-To: <20100210092412.5a06d98e.gerrit@pmp.uni-hannover.de>
References:  <20100209150606.ddba52dc.gerrit@pmp.uni-hannover.de> <54e63c321002091227w15657c54oeb2295efc4c43980@mail.gmail.com> <20100210092412.5a06d98e.gerrit@pmp.uni-hannover.de>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Feb 10, 2010 at 09:24:12AM +0100, Gerrit Kühn wrote:
> On Tue, 9 Feb 2010 13:27:21 -0700 Elliot Finley <efinley.lists@gmail.com>
> wrote about Re: zpool vdev vs. glabel:
> 
> EF> I ran into this same problem.  you need to clean the beginning and end
> EF> of your disk off before glabeling and adding it to your pool.  clean
> EF> with dd if=/dev/zero...
> 
> Hm, I think I did that (at least for the beginning part).
> Maybe I was not quite clear what I did below: I removed and re-attached
> the *same* disk which was labelled with glabel and running fine brefore.
> The label was there when I inserted it back, but zfs went for the da
> device node anyway.
> If I see this problem again, I will try to wipe the complete disk before
> re-inserting it.

If I remember right, glabel metadata is stored in the last sector of
the disk, not the beginning.

"glabel clear" would probably be easier than dd if=/dev/zero'ing the
entire disk.

-- 
| Jeremy Chadwick                                   jdc@parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20100210083059.GA62117>