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Date:      Fri, 12 May 2000 08:50:15 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Forrest Aldrich <forrie@forrie.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: CCD question
Message-ID:  <20000512085015.B10505@freebie.lemis.com>
In-Reply-To: <4.3.1.2.20000511111832.00d156f0@216.67.12.69>
References:  <4.3.1.2.20000511111832.00d156f0@216.67.12.69> <20000511161016.A45848@node1.cluster.srrc.usda.gov> <4.3.1.2.20000511111832.00d156f0@216.67.12.69>

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On Thursday, 11 May 2000 at 11:20:17 -0400, Forrest Aldrich wrote:
> I'm looking into working with CCD.  Is there a HOW-TO in the manual,
> I didn't find one on freebsd.org.

No.

> It's not clear to me:
>
> In order to compile in support for the ccd, you must add a line similar
>       to the following to your kernel configuration file:
>
>             pseudo-device  ccd  4    # concatenated disk devices
>
>       The count argument is how many ccds memory is allocated for a boot time.
>       In this example, no more than 4 ccds may be configured.
>
> whether this "ccds memory" and such refers to the number of actual
> physical /dev/ paritions or it's referring to the number of "ccds"
> as in the pseudo devices themselves.

It's the number of pseudo devices.  You can create as many ccd device
nodes as you want, even if ccd isn't installed.

Why are you looking at ccd and not at vinum?

Greg
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