From owner-freebsd-stable@FreeBSD.ORG Fri Aug 13 20:23:11 2010 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E612A1065674 for ; Fri, 13 Aug 2010 20:23:11 +0000 (UTC) (envelope-from stb@lassitu.de) Received: from gilb.zs64.net (gilb.zs64.net [IPv6:2001:470:1f0b:105e::1ea]) by mx1.freebsd.org (Postfix) with ESMTP id AE4BE8FC1A for ; Fri, 13 Aug 2010 20:23:11 +0000 (UTC) Received: by gilb.zs64.net (Postfix, from stb@lassitu.de) id 7F7B29358C; Fri, 13 Aug 2010 20:23:10 +0000 (UTC) Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=us-ascii From: Stefan Bethke In-Reply-To: <20100813160109.8BDDA1CC3A@ptavv.es.net> Date: Fri, 13 Aug 2010 22:23:08 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <1B284ECC-9A69-4727-9F9F-7A85C8374463@lassitu.de> References: <20100813160109.8BDDA1CC3A@ptavv.es.net> To: Kevin Oberman X-Mailer: Apple Mail (2.1081) Cc: stable@freebsd.org Subject: Re: Inconsistent IO performance 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: Fri, 13 Aug 2010 20:23:12 -0000 Am 13.08.2010 um 18:01 schrieb Kevin Oberman: > Note the dramatic differences even on the same kernel. For the = December > 6 kernel, for example, I see a maximum of 23,676,086 and a minimum of > just 18,304,565. ???? Are the disks still OK? If any sectors have been remapped between runs, = additional seeks would be needed. I think it's unlikely, but checking = with smartmontools should only take a few minutes. Stefan --=20 Stefan Bethke Fon +49 151 14070811