From owner-freebsd-fs@FreeBSD.ORG Tue Jul 5 09:07:27 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3901B106566B for ; Tue, 5 Jul 2011 09:07:27 +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 BD3BF8FC0A for ; Tue, 5 Jul 2011 09:07:26 +0000 (UTC) Received: from www.pmp.uni-hannover.de (www.pmp.uni-hannover.de [130.75.117.2]) by mrelay1.uni-hannover.de (8.14.4/8.14.4) with ESMTP id p6597LhW015963; Tue, 5 Jul 2011 11:07:23 +0200 Received: from pmp.uni-hannover.de (unknown [130.75.117.3]) by www.pmp.uni-hannover.de (Postfix) with SMTP id 9F7A610A; Tue, 5 Jul 2011 11:07:21 +0200 (CEST) Date: Tue, 5 Jul 2011 11:07:21 +0200 From: Gerrit =?ISO-8859-1?Q?K=FChn?= To: Michael Fuckner Message-Id: <20110705110721.7506f649.gerrit@pmp.uni-hannover.de> In-Reply-To: <4E12CD57.7030403@fuckner.net> References: <1309793921.2618.YahooMailRC@web120016.mail.ne1.yahoo.com> <4E1212A7.70405@feral.com> <4E1224BE.1020508@cran.org.uk> <20110704211522.GA43675@icarus.home.lan> <20110705090039.17321256.gerrit@pmp.uni-hannover.de> <4E12C34A.8030409@fuckner.net> <20110705101039.701cc042.gerrit@pmp.uni-hannover.de> <4E12CD57.7030403@fuckner.net> Organization: Albert-Einstein-Institut (MPI =?ISO-8859-1?Q?f=FCr?= Gravitationsphysik & IGP =?ISO-8859-1?Q?Universit=E4t?= Hannover) X-Mailer: Sylpheed 3.0.3 (GTK+ 2.22.1; amd64-portbld-freebsd8.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-PMX-Version: 5.5.9.395186, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2011.7.5.85714 Cc: freebsd-fs@freebsd.org, gerrit.kuehn@aei.mpg.de Subject: Re: Are thumpers still interesting in 2011 ? (raidz3 on x4500 @ 3.0gbps ...) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: gerrit.kuehn@aei.mpg.de List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jul 2011 09:07:27 -0000 On Tue, 05 Jul 2011 10:37:43 +0200 Michael Fuckner wrote about Re: Are thumpers still interesting in 2011 ? (raidz3 on x4500 @ 3.0gbps ...): MF> if you have so many disks I would recommend a chassis with expander MF> Backplane (like Supermicro 846E16). You have 4x6GBit to the backplane MF> which should be enough even if you connect 24 HDD. I think then I get an SFF8087 lane (or even infiniband, which is even more expensive) with 24 drives connected and face the same issue: which controller do I connect this to? cu Gerrit