From owner-freebsd-current@FreeBSD.ORG Mon Oct 25 10:35:53 2004 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 A031C16A4CE for ; Mon, 25 Oct 2004 10:35:53 +0000 (GMT) Received: from spider.deepcore.dk (cpe.atm2-0-53484.0x50a6c9a6.abnxx9.customer.tele.dk [80.166.201.166]) by mx1.FreeBSD.org (Postfix) with ESMTP id F108F43D2D for ; Mon, 25 Oct 2004 10:35:52 +0000 (GMT) (envelope-from sos@DeepCore.dk) Received: from [194.192.25.143] (laptop.deepcore.dk [194.192.25.143]) by spider.deepcore.dk (8.12.11/8.12.10) with ESMTP id i9PAZmAf045758; Mon, 25 Oct 2004 12:35:50 +0200 (CEST) (envelope-from sos@DeepCore.dk) Message-ID: <417CD6DD.7050801@DeepCore.dk> Date: Mon, 25 Oct 2004 12:35:09 +0200 From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= User-Agent: Mozilla Thunderbird 0.7.2 (X11/20040802) X-Accept-Language: en-us, en MIME-Version: 1.0 To: fandino@ng.fadesa.es References: <14479.1098695558@critter.freebsd.dk> <417CD0CA.8010708@ng.fadesa.es> In-Reply-To: <417CD0CA.8010708@ng.fadesa.es> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable X-mail-scanned: by DeepCore Virus & Spam killer v1.4 cc: freebsd-current@freebsd.org Subject: Re: FreeBSD 5.3b7and poor ata performance 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: Mon, 25 Oct 2004 10:35:53 -0000 fandino wrote: > However I would like to know disk performance of list members using a > VIA 82C686B chipset. Anyone in the list is using this chipset? I do: atapci0: port 0xd000-0xd00f at device=20 7.1 on pci0 =2E.. ad0: 39205MB [79656/16/63] at ata0-master UDMA100 Diskinfo -t yields: Seek times: Full stroke: 250 iter in 5.378885 sec =3D 21.516 msec Half stroke: 250 iter in 4.154826 sec =3D 16.619 msec Quarter stroke: 500 iter in 6.640011 sec =3D 13.280 msec Short forward: 400 iter in 2.911354 sec =3D 7.278 msec Short backward: 400 iter in 2.370054 sec =3D 5.925 msec Seq outer: 2048 iter in 0.267370 sec =3D 0.131 msec Seq inner: 2048 iter in 0.266306 sec =3D 0.130 msec Transfer rates: outside: 102400 kbytes in 1.933641 sec =3D 52957=20 kbytes/sec middle: 102400 kbytes in 1.934147 sec =3D 52943=20 kbytes/sec inside: 102400 kbytes in 2.761984 sec =3D 37075=20 kbytes/sec Mind you this server is active as mail/www/gateway so the numbers are to = be taken with a bit of salt, and that Maxtor disk is probably the=20 slowest disk they make at all these days, anyhow the numbers above fits=20 the specs pretty close... --=20 -S=F8ren