From owner-freebsd-hackers@FreeBSD.ORG Sat Jan 19 15:06:09 2013 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 27B63221; Sat, 19 Jan 2013 15:06:09 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [188.252.31.196]) by mx1.freebsd.org (Postfix) with ESMTP id 7E008F58; Sat, 19 Jan 2013 15:06:08 +0000 (UTC) Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1]) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id r0JF679R004339; Sat, 19 Jan 2013 16:06:07 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id r0JF673j004336; Sat, 19 Jan 2013 16:06:07 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Sat, 19 Jan 2013 16:06:07 +0100 (CET) From: Wojciech Puchar To: Dieter BSD Subject: Re: IBM blade server abysmal disk write performances In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (wojtek.tensor.gdynia.pl [127.0.0.1]); Sat, 19 Jan 2013 16:06:07 +0100 (CET) Cc: freebsd-hackers@freebsd.org, gibbs@freebsd.org, scottl@freebsd.org, mjacob@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Jan 2013 15:06:09 -0000 > Turning the write cache off eliminates the risk of having the write cache > on. this sentence sounds like "not having a car eliminates a risks of driving".