From owner-cvs-src@FreeBSD.ORG Fri Aug 20 20:45:43 2004 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6ABD416A4CE; Fri, 20 Aug 2004 20:45:43 +0000 (GMT) Received: from darkness.comp.waw.pl (darkness.comp.waw.pl [195.117.238.236]) by mx1.FreeBSD.org (Postfix) with ESMTP id 571E043D45; Fri, 20 Aug 2004 20:45:42 +0000 (GMT) (envelope-from pjd@darkness.comp.waw.pl) Received: by darkness.comp.waw.pl (Postfix, from userid 1009) id 6076FACAFE; Fri, 20 Aug 2004 22:45:39 +0200 (CEST) Date: Fri, 20 Aug 2004 22:45:39 +0200 From: Pawel Jakub Dawidek To: Poul-Henning Kamp Message-ID: <20040820204539.GB30151@darkness.comp.waw.pl> References: <20040820193547.GZ30151@darkness.comp.waw.pl> <24879.1093031928@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="G2kvLHdEX2DcGdqq" Content-Disposition: inline In-Reply-To: <24879.1093031928@critter.freebsd.dk> User-Agent: Mutt/1.4.2i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 5.2.1-RC2 i386 cc: src-committers@FreeBSD.org cc: cvs-src@FreeBSD.org cc: cvs-all@FreeBSD.org cc: Greg 'groggy' Lehey cc: Wilko Bulte cc: freebsd-performance@FreeBSD.org Subject: Re: RAID-3? (was: cvs commit: src MAINTAINERS) X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Aug 2004 20:45:43 -0000 --G2kvLHdEX2DcGdqq Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 20, 2004 at 09:58:48PM +0200, Poul-Henning Kamp wrote: +> In message <20040820193547.GZ30151@darkness.comp.waw.pl>, Pawel Jakub Da= widek w +> rites: +>=20 +> >As you can see RAID5 is only faster in READ tests for 15 and 100 proces= ses +> >working in parallel. As I can see, RAID3 is faster in all the rest test= s. +> > +> >PS. I wonder about read optimization, so parity component can be also +> > used for reading in round-robin fashion... +>=20 +> I would far rather have an option to give me data-integrity checking ? Yes, I'm wondering about this as well... --=20 Pawel Jakub Dawidek http://www.FreeBSD.org pjd@FreeBSD.org http://garage.freebsd.pl FreeBSD committer Am I Evil? Yes, I Am! --G2kvLHdEX2DcGdqq Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFBJmLzForvXbEpPzQRAsQHAKCEne0ONkZoQEefxiI3uxp0tcvrrACgyhKp wEtVo9W/KNwLO4stK6MgP0w= =HGXH -----END PGP SIGNATURE----- --G2kvLHdEX2DcGdqq--