From owner-freebsd-performance@FreeBSD.ORG Tue May 15 03:40:02 2007 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 488F116A406 for ; Tue, 15 May 2007 03:40:02 +0000 (UTC) (envelope-from schulra@earlham.edu) Received: from sipala.earlham.edu (sipala.earlham.edu [159.28.1.75]) by mx1.freebsd.org (Postfix) with ESMTP id 2495A13C459 for ; Tue, 15 May 2007 03:40:01 +0000 (UTC) (envelope-from schulra@earlham.edu) Received: from tdream.lly.earlham.edu (tdream.lly.earlham.edu [159.28.7.241]) by sipala.earlham.edu (8.13.6/8.13.6) with ESMTP id l4F3e1JO003061; Mon, 14 May 2007 23:40:01 -0400 (EDT) Date: Mon, 14 May 2007 23:41:20 -0400 (EDT) From: Randy Schultz X-X-Sender: schulra@tdream.lly.earlham.edu To: Matthew Jacob In-Reply-To: <7579f7fb0705110735h1a65ef7atcab00bdbc25224d6@mail.gmail.com> Message-ID: References: <464474F0.3040306@tomjudge.com> <7579f7fb0705110735h1a65ef7atcab00bdbc25224d6@mail.gmail.com> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="0-388326016-1179200480=:58912" Cc: freebsd-performance@freebsd.org Subject: Dell SAS 5i/mpt driver[was: possible issues with Dell/Perc5 raid] X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 May 2007 03:40:02 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --0-388326016-1179200480=:58912 Content-Type: TEXT/PLAIN; charset=US-ASCII On Fri, 11 May 2007, Matthew Jacob spaketh thusly: -}Time frame to resolution involves getting a machine into my lab that -}evidences the poor performance and the time to sort out what the -}problem is and fix it. Remote access doesn't work for me on this one -}(contact me offline as to why). Hey Matthew, FWIW, I installed fedora core 5 on the box. The difference was significant. Writes, though bursty, increased significantly. Reads increased by 1-2 orders of magnitude. I've attached the output of blogbench for fc5 FWIW. Being new to all this, what would be the next step? Should I file a bug report? Or perhaps I should be asking what your timeline is? All I have to offer for help is remote access, which in this case doesn't work for you, or perhaps testing as my C skills are fairly pathetic. ;> -- Randy (schulra@earlham.edu) 765.983.1283 <*> Rain puts a hole in stone because of its constancy, not its force. - H. 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