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Date:      Thu, 1 Aug 2002 10:31:18 +0930
From:      Greg 'groggy' Lehey <grog@FreeBSD.org>
To:        Drew Raines <drew-dated-1028408273.35d3a8@rain3s.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Striped Vinum on two drives
Message-ID:  <20020801010118.GM17787@wantadilla.lemis.com>
In-Reply-To: <20020731211840.GN19920@mail.rain3s.net>
References:  <20020731211840.GN19920@mail.rain3s.net>

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On Wednesday, 31 July 2002 at 16:18:40 -0500, Drew Raines wrote:
> I have a machine with two hard drives:
>
>    ad0  Maxtor     13 GB
>    da0  Fujitsu    36 GB
>
> I'd like to create root, swap, and usr partitions on the
> beginning of ad0, and have the rest of the drive, as well as all
> of da0 be one giant 45 GB filesystem.  Something like:
>
>    ad0  /
>         swap
>         /usr
>         /bigfs
>    da0  /bigfs (cont.)
>
> I read Bob Van Valzah's bootstrapping guide and successfully
> created a Vinum-powered system with / on ad0 and /rootback on
> da0, etc., etc..  I intended to just wet my feet before
> customizing my configuration.
>
> Unfortunately, I'm still unsure of how to get to where I'm going
> after doing this.  In fact, I'm wondering if what I want is too
> simple for Vinum, or even ccd.

No, I'd consider this a fairly typical application.

> So is this worth doing?

Possibly.

> Won't I be able to resize and move filesystems around afterward?

No.  You can't resize striped plexes.

> Also, *can* I do it?  I just want the two spindles to look like one
> disk, striping the data accordingly.

Yes, you can do that.  But given the discrepancy in size between your
disks, you might find it more useful to concatenate them.

Greg
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