From owner-freebsd-performance@FreeBSD.ORG Thu Dec 9 19:03:30 2004 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 51EED16A4CE for ; Thu, 9 Dec 2004 19:03:30 +0000 (GMT) Received: from multiplay.co.uk (www1.multiplay.co.uk [212.42.16.7]) by mx1.FreeBSD.org (Postfix) with ESMTP id 922FC43D2D for ; Thu, 9 Dec 2004 19:03:29 +0000 (GMT) (envelope-from killing@multiplay.co.uk) Received: from stevenp4 ([193.123.241.40]) by multiplay.co.uk (multiplay.co.uk [212.42.16.7]) (MDaemon.PRO.v7.2.1.R) with ESMTP id md50000783293.msg for ; Thu, 09 Dec 2004 18:54:56 +0000 Message-ID: <023a01c4de21$bae392e0$7f06000a@int.mediasurface.com> From: "Steven Hartland" To: , "Bill Anderson" References: <17418.69.53.57.66.1102618255.squirrel@69.53.57.66> Date: Thu, 9 Dec 2004 19:02:53 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Processed: multiplay.co.uk, Thu, 09 Dec 2004 18:54:56 +0000 (not processed: message from valid local sender) X-MDRemoteIP: 193.123.241.40 X-Return-Path: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-performance@freebsd.org X-MDAV-Processed: multiplay.co.uk, Thu, 09 Dec 2004 18:54:57 +0000 cc: freebsd-performance@freebsd.org Subject: Re: 2120S poor performance X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Dec 2004 19:03:30 -0000 ----- Original Message ----- From: "Jon Noack" > The asr driver is in need of a lot of attention. Still, testing random > read/write is much better than testing sequential i/o as most real-world > workloads aren't sequential in nature. The raidtest utility (now in > ports) does an excellent job with random read/write testing. As a point of note 2015S performs as poor under windows as it does under freebsd so Im not so sure that its totally down to drivers. > There are many quality, (relatively) cheap controllers out there, but if > you're looking to stick with Adaptec get a 2130S. The 2130S uses the aac > driver, which is quite well tuned and maintained by Scott Long. ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone (023) 8024 3137 or return the E.mail to postmaster@multiplay.co.uk.