From owner-freebsd-questions@FreeBSD.ORG Wed Dec 3 01:15:44 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4A3AC16A4CE for ; Wed, 3 Dec 2003 01:15:44 -0800 (PST) Received: from dot.freshdot.net (dot.freshdot.net [195.64.80.165]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8D58443FDD for ; Wed, 3 Dec 2003 01:15:42 -0800 (PST) (envelope-from ssm+fbsd-questions@freshdot.net) Received: from ssmeenk by dot.freshdot.net with local (Exim 4.24) id 1ART6j-0001Kb-I0 for freebsd-questions@freebsd.org; Wed, 03 Dec 2003 10:15:41 +0100 Date: Wed, 3 Dec 2003 10:15:41 +0100 From: Sander Smeenk To: freebsd-questions@freebsd.org Message-ID: <20031203091541.GD15125@freshdot.net> Mail-Followup-To: freebsd-questions@freebsd.org References: <20031202092608.GA16710@freshdot.net> <20031203010353.GE59596@wantadilla.lemis.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="7JfCtLOvnd9MIVvH" Content-Disposition: inline In-Reply-To: <20031203010353.GE59596@wantadilla.lemis.com> User-Agent: Mutt/1.5.4i Subject: Re: Vinum & U320 SCSI, slower than UDMA100 IDE ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Dec 2003 09:15:44 -0000 --7JfCtLOvnd9MIVvH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Greg 'groggy' Lehey (grog@FreeBSD.org): > > But still, I doubt if bonnie++ is a good test, and I have a hard time > > interpreting the results. I can publish the results somewhere, in a > > while. > Yes, bonnie++ tests the entire system, not just the disk. > Try benchmarks/rawio. That might explain why bonnie++ results were quite similar on IDE as on SCSI. I just ran rawio on the plain IDE disk, and the RAID10 vinum volume, and now results *ARE* 'astonishing' :) Random read Sequential read Random write Sequential write ID K/sec /sec K/sec /sec K/sec /sec K/sec /sec IDE 1860.4 72 6799.4 415 1314.9 158 5914.3 361 VINUM 12008.3 724 14972.7 914 12072.5 726 13710.0 837 Thanks for all your help Greg! Sander. --=20 | Not one shred of evidence supports the notion that life is serious. | 1024D/08CEC94D - 34B3 3314 B146 E13C 70C8 9BDB D463 7E41 08CE C94D --7JfCtLOvnd9MIVvH Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQE/zam91GN+QQjOyU0RAnhsAJ9SGPlulxA/L6C7QEz+BImtGEbBngCfWEuM eHSLtP3tj5pcrZFmLT65a1k= =6jxX -----END PGP SIGNATURE----- --7JfCtLOvnd9MIVvH--