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Date:      Mon, 29 Jun 2009 16:50:55 +0200
From:      "Patrick M. Hausen" <hausen@punkt.de>
To:        Marius =?iso-8859-1?Q?N=FCnnerich?= <marius@nuenneri.ch>
Cc:        FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: Zpool on raw disk and weird GEOM complaint
Message-ID:  <20090629145055.GF31011@hugo10.ka.punkt.de>
In-Reply-To: <b649e5e0906290741h28dbaf1bwc05352a03c3b52aa@mail.gmail.com>
References:  <20090629094359.GB24054@hugo10.ka.punkt.de> <b649e5e0906290411n7b501affhfaec1cf1469073ff@mail.gmail.com> <20090629114610.GA28731@hugo10.ka.punkt.de> <b649e5e0906290638i5cf9f26en5e6a8dd9c43f2fb7@mail.gmail.com> <20090629141437.GD31011@hugo10.ka.punkt.de> <b649e5e0906290741h28dbaf1bwc05352a03c3b52aa@mail.gmail.com>

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Hi!

On Mon, Jun 29, 2009 at 04:41:14PM +0200, Marius Nünnerich wrote:
> OK, there is the GPT signature which reads "EFI PART" at offset 0x200.
> What was on the disk before?

Nothing. Factory new.

> I think it should look different. There is a document from sun which
> explains the ZFS ondisk format and and I don't remember it to look
> like a MBR and GPT ;) Sorry, I don't have the time right now to dig
> through it.

As I found with Google, ZFS does put a EFI/GPT label on the
disk if you give it an entire disk as a vdev. Looks like
it's not understood by GEOM_PART_GPT.


Thanks,
Patrick
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