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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