From owner-freebsd-stable@FreeBSD.ORG Tue Jan 19 10:07:28 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BACE0106566B for ; Tue, 19 Jan 2010 10:07:28 +0000 (UTC) (envelope-from gerrit@pmp.uni-hannover.de) Received: from mrelay1.uni-hannover.de (mrelay1.uni-hannover.de [130.75.2.106]) by mx1.freebsd.org (Postfix) with ESMTP id 2D19E8FC1E for ; Tue, 19 Jan 2010 10:07:27 +0000 (UTC) Received: from www.pmp.uni-hannover.de (www.pmp.uni-hannover.de [130.75.117.2]) by mrelay1.uni-hannover.de (8.14.2/8.14.2) with ESMTP id o0JA7O5B007444; Tue, 19 Jan 2010 11:07:26 +0100 Received: from pmp.uni-hannover.de (arc.pmp.uni-hannover.de [130.75.117.1]) by www.pmp.uni-hannover.de (Postfix) with SMTP id C1FF424; Tue, 19 Jan 2010 11:07:24 +0100 (CET) Date: Tue, 19 Jan 2010 11:07:24 +0100 From: Gerrit =?ISO-8859-1?Q?K=FChn?= To: Jeremy Chadwick Message-Id: <20100119110724.ec01a3ed.gerrit@pmp.uni-hannover.de> In-Reply-To: <20100119095736.GA71824@icarus.home.lan> References: <4B54C100.9080906@mail.zedat.fu-berlin.de> <4B54C5EE.5070305@pp.dyndns.biz> <201001191250.23625.doconnor@gsoft.com.au> <7346c5c61001181841j3653a7c3m32bc033c8c146a92@mail.gmail.com> <4B557B5A.8040902@pp.dyndns.biz> <20100119095736.GA71824@icarus.home.lan> Organization: Albert-Einstein-Institut (MPI =?ISO-8859-1?Q?f=FCr?= Gravitationsphysik & IGP =?ISO-8859-1?Q?Universit=E4t?= Hannover) X-Mailer: Sylpheed 2.7.1 (GTK+ 2.18.4; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-PMX-Version: 5.5.9.388399, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2010.1.19.95419 Cc: freebsd-stable@freebsd.org Subject: Re: immense delayed write to file system (ZFS and UFS2), performance issues 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, 19 Jan 2010 10:07:28 -0000 On Tue, 19 Jan 2010 01:57:36 -0800 Jeremy Chadwick wrote about Re: immense delayed write to file system (ZFS and UFS2), performance issues: JC> If you want a consumer-edition drive that's better tuned for server JC> work, you should really be looking at the WD Caviar Black series or JC> their RE/RE2 series. That's exactly what I did. I have WD-RE2 drives here that show exactly this problem (RE2/GP)! The model number is WD1000FYPS-01ZKB0. cu Gerrit