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Date:      Tue, 8 Dec 2009 13:43:41 -0600
From:      Peter Steele <psteele@maxiscale.com>
To:        Polytropon <freebsd@edvax.de>
Cc:        "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   RE: How do I create large partitions in FreeBSD?
Message-ID:  <7B9397B189EB6E46A5EE7B4C8A4BB7CB33D0D4C3@MBX03.exg5.exghost.com>
In-Reply-To: <20091208202749.d3f3b697.freebsd@edvax.de>
References:  <7B9397B189EB6E46A5EE7B4C8A4BB7CB33D0D44A@MBX03.exg5.exghost.com> <20091208195424.850e8363.freebsd@edvax.de> <7B9397B189EB6E46A5EE7B4C8A4BB7CB33D0D498@MBX03.exg5.exghost.com> <20091208202749.d3f3b697.freebsd@edvax.de>

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>Excuse me, you're mixing up terminology here. Let me explain:
>
>A SLICE is what "Windows" calls a "DOS primary partition", often just name=
d a "partition".

Yes, I know what a BSD slice is compared to a BSD partition. Considering th=
at 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.

>I'm not sure if I understood you correctly. You won't need to create three=
 slices, just one slice, containin three partitions.

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 partiti=
ons, one UFS and one raw. The first two slices are gmirrored, the third sli=
ce is not.

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 o=
therwise the layout will largely be the same.





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