*BSD News Article 82333


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From: dillon@best.com (Matthew Dillon)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: CCD-config and disklabel Quetion
Date: 4 Nov 1996 15:23:17 -0800
Organization: Best Internet Communications, Inc. (info@best.com)
Lines: 42
Distribution: world
Message-ID: <55ltt5$5as@flash.noc.best.net>
References: <550hdv$9ir@amd40.wecs.org> <327DFFC4.31DFF4F5@FreeBSD.org>
NNTP-Posting-Host: flash.noc.best.net

:In article <327DFFC4.31DFF4F5@FreeBSD.org>,
:Jordan K. Hubbard <jkh@FreeBSD.org> wrote:
:>Duane Eddingfield wrote:
:>> Remaining cylinders of sd0 are in a second slice:
:>> 
:>> # /dev/rsd0s2c:
:>               ^c?
:>
:>> # ccd   ileave  flags   component devices.
:>> ccd0    32      none    /dev/sd0s2e /dev/sd1s1e /dev/sd2s1e /dev/sd3s1e
:>
:>Isn't that:
:>ccd0	32	none	/dev/sd0s2 /dev/sd1s1 /dev/sd1s1 /deb/sd2s1
:>
:>?
:>
:>I've never tried this, not having enough disks to really test ccd, but
:>it seems to make more sense.
:>
:>> 3 partitions:
:>> #        size   offset    fstype   [fsize bsize bps/cpg]
:>>   c: 24037152        0    unused        0     0         # (Cyl.    0 -
:>
:>Just one, that's perfect.  Since this thing is a virtual partition,
:>you're using the whole whack with /dev/ccd0c - you don't want to make an
:>e partition. :-)
:>
:>-- 
:>- Jordan Hubbard
:>  President, FreeBSD Project

    The only problem I've ever had using ccd to stripe is that the ccd
    partition that you run newfs on should be offset by at least 16 sectors
    under FreeBSD 2.1.5-STABLE.  Apparently the partition table information
    is not 'out of band' as it is with normal disk partitions.

						-Matt

-- 
    Matthew Dillon   Engineering, BEST Internet Communications, Inc.
		     <dillon@best.net>
    [always include a portion of the original email in any response!]