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Date:      Tue, 8 Dec 2009 21:04:02 +0100
From:      Polytropon <freebsd@edvax.de>
To:        Peter Steele <psteele@maxiscale.com>
Cc:        "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Re: How do I create large partitions in FreeBSD?
Message-ID:  <20091208210402.ad3ba281.freebsd@edvax.de>
In-Reply-To: <7B9397B189EB6E46A5EE7B4C8A4BB7CB33D0D4C3@MBX03.exg5.exghost.com>
References:  <7B9397B189EB6E46A5EE7B4C8A4BB7CB33D0D44A@MBX03.exg5.exghost.com> <20091208195424.850e8363.freebsd@edvax.de> <7B9397B189EB6E46A5EE7B4C8A4BB7CB33D0D498@MBX03.exg5.exghost.com> <20091208202749.d3f3b697.freebsd@edvax.de> <7B9397B189EB6E46A5EE7B4C8A4BB7CB33D0D4C3@MBX03.exg5.exghost.com>

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On Tue, 8 Dec 2009 13:43:41 -0600, Peter Steele <psteele@maxiscale.com> wrote:
> Yes, I know what a BSD slice is compared to a BSD partition.
> Considering that fdisk uses "partition" interchangeably in
> cases with "slice", I often do as well. I guess it can be
> confusing if one isn't careful with context.

You're right - fdisk uses different terminology.



> We already have a configuration in place on our smaller 1U
> boxes which are divided into three slices, one for the OS
> (with 2 partitions), one for swap, and the third slice for
> data. The third slice is divided into two partitions, one
> UFS and one raw. The first two slices are gmirrored, the
> third slice is not.

Okay, now I understand. It's much more complex than it seemed
from your initial statement. :-)

What you want in the end is e. g.
	/dev/da1s1a = /
	/dev/da1s1d = /usr (or maybe /usr/local)
	/dev/da1s2b = swap
	/dev/da1s3d = /bigstorage (or something similar)
	/dev/da1s3e = raw



> For consistency we want to use the same slice configuration
> for these large drives. We don't *have* to do it this way
> but it simplifies things for our legacy code. We're not
> using any gmirroring on these raid boxes of course, and we
> only need one partition on the third slice (no raw partition)
> but otherwise the layout will largely be the same.

Then it looks to me that using gpt / gpart is the way to go...



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...



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