From owner-freebsd-hackers Tue Nov 2 8:27:28 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [216.240.41.2]) by hub.freebsd.org (Postfix) with ESMTP id 9A3F81550F for ; Tue, 2 Nov 1999 08:27:17 -0800 (PST) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.9.3/8.9.1) id IAA51381; Tue, 2 Nov 1999 08:26:57 -0800 (PST) (envelope-from dillon) Date: Tue, 2 Nov 1999 08:26:57 -0800 (PST) From: Matthew Dillon Message-Id: <199911021626.IAA51381@apollo.backplane.com> To: Greg Lehey Cc: Wes Peters , "Stephen J. Roznowski" , freebsd-hackers@FreeBSD.ORG Subject: Re: Vinum or CCD? (was: CCD questions) References: <199910291212.IAA40158@cc158233-a.catv1.md.home.com> <3819E1EA.83DD04B7@softweyr.com> <19991029150541.17186@mojave.worldwide.lemis.com> Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG :> :> 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message