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Date:      Tue, 2 Nov 1999 08:26:57 -0800 (PST)
From:      Matthew Dillon <dillon@apollo.backplane.com>
To:        Greg Lehey <grog@lemis.com>
Cc:        Wes Peters <wes@softweyr.com>, "Stephen J. Roznowski" <sjr@home.net>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: Vinum or CCD? (was: CCD questions)
Message-ID:  <199911021626.IAA51381@apollo.backplane.com>
References:  <199910291212.IAA40158@cc158233-a.catv1.md.home.com> <3819E1EA.83DD04B7@softweyr.com> <19991029150541.17186@mojave.worldwide.lemis.com>

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:>
:> Because Vinum is being maintained, and because Vinum will allow you to
:> stripe your disks instead of simple concatenate them, which will probably
:> result in better I/O rates.
:
:In fact, CCD will stripe for you as well.  In such configurations,
:there isn't much difference between CCD and Vinum performance.  That
:changes a lot when you get to mirroring.
:
:Greg

    Well, I actually fixed the biggest performance issue with CCD's mirroring
    code.  But what it does not do is figure out whether part of a mirror is
    bad or not.  Anyone doing mirroring should definitely use vinum.

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>


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