From owner-freebsd-stable@FreeBSD.ORG Tue Apr 24 20:39:25 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id CB59B16A408 for ; Tue, 24 Apr 2007 20:39:25 +0000 (UTC) (envelope-from jmp.lists@alvorlig.dk) Received: from cauchy.aub.dk (cauchy.aub.dk [194.255.124.240]) by mx1.freebsd.org (Postfix) with ESMTP id 83A3F13C45A for ; Tue, 24 Apr 2007 20:39:25 +0000 (UTC) (envelope-from jmp.lists@alvorlig.dk) Received: from localhost (localhost.aub.dk [127.0.0.1]) by cauchy.aub.dk (Postfix) with ESMTP id 678D511764; Tue, 24 Apr 2007 22:10:17 +0200 (CEST) X-Virus-Scanned: amavisd-new at aub.dk Received: from cauchy.aub.dk ([127.0.0.1]) by localhost (cauchy.aub.dk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MrEGNb+p30aW; Tue, 24 Apr 2007 22:10:16 +0200 (CEST) Received: from [10.29.30.73] (unknown [10.29.30.73]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jmp) by cauchy.aub.dk (Postfix) with ESMTP id 69D221173D; Tue, 24 Apr 2007 22:10:16 +0200 (CEST) Message-ID: <462E6427.6050207@alvorlig.dk> Date: Tue, 24 Apr 2007 22:10:15 +0200 From: "J. Martin Petersen" User-Agent: Thunderbird 2.0.0.0 (X11/20070422) MIME-Version: 1.0 To: Matthew Jacob References: <460959E8.207@thekeelecentre.com> <46095CA9.7060701@thekeelecentre.com> <4624B4FE.1070402@tomjudge.com> <7579f7fb0704171048g357b8b19m8596b37c266009dd@mail.gmail.com> In-Reply-To: <7579f7fb0704171048g357b8b19m8596b37c266009dd@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: Dell SAS5 Performance Issue X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Apr 2007 20:39:25 -0000 Matthew Jacob wrote: >> >> Is there any news on the performance of this card? >> > > I personally have not been able to reproduce the problem. It seems to > occur whether in Integrated Raid or not. It seems to be related to > specific backplanes and drives. It's an important problem to solve I > agree. We have a HP Proliant DL140 g3 that exhibits this (or a somewhat related) problem, to which we can give you remote access (including remote KVM) if that helps? Cheers, Martin