From owner-freebsd-current@FreeBSD.ORG Thu Jul 24 05:22:33 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D31FF37B43E for ; Thu, 24 Jul 2003 05:22:22 -0700 (PDT) Received: from bragi.housing.ufl.edu (bragi.housing.ufl.edu [128.227.47.18]) by mx1.FreeBSD.org (Postfix) with ESMTP id A03CF43FEA for ; Thu, 24 Jul 2003 05:21:51 -0700 (PDT) (envelope-from WillS@housing.ufl.edu) content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-MimeOLE: Produced By Microsoft Exchange V6.0.6249.0 Date: Thu, 24 Jul 2003 08:21:39 -0400 Message-ID: <0E972CEE334BFE4291CD07E056C76ED8DB3044@bragi.housing.ufl.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: questions on S-ATA and ICH5 (now owns hardware :) Thread-Index: AcNR236wVEVMrAWrTgaMRg3YwQxrfwAAkCiA From: "Will Saxon" To: "David Leimbach" , "Soeren Schmidt" cc: John Reynolds cc: current@FreeBSD.ORG Subject: RE: questions on S-ATA and ICH5 (now owns hardware :) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Jul 2003 12:22:35 -0000 > Yeah. My drive shows up as UDMA133 also. What I did notice is that > my WD Raptor was slightly outperformed a few times on UFS2 by=20 > my actual > ATA-100 Western Digital drive. This seems somewhat bad as the Raptor > costs a hell of a lot more and one would hope that it would pound the > ATA-100 drive pretty thoroughly. >=20 > Even the CPU overheads on both drives were about the same. Maybe its=20 > that > 8MB caching :). I haven't found a good reason yet. Keep in mind that you are dealing with 36GB vs. 60 or 80GB platter = density. The Raptor ought to be quicker but the older WD drive could be = faster. Especially in long sequential reads.=20 -Will