From owner-freebsd-fs@FreeBSD.ORG Fri Jan 1 05:26:04 2010 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 C52EC1065692 for ; Fri, 1 Jan 2010 05:26:04 +0000 (UTC) (envelope-from fbsd@dannysplace.net) Received: from mail.dannysplace.net (mail.dannysplace.net [80.69.71.124]) by mx1.freebsd.org (Postfix) with ESMTP id 7BEF78FC19 for ; Fri, 1 Jan 2010 05:26:04 +0000 (UTC) Received: from nas.lan ([203.206.171.212] helo=[192.168.10.10]) by mail.dannysplace.net with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69 (FreeBSD)) (envelope-from ) id 1NQa1R-000J5b-NV; Fri, 01 Jan 2010 15:26:02 +1000 Message-ID: <4B3D875F.8070909@dannysplace.net> Date: Fri, 01 Jan 2010 15:25:51 +1000 From: Danny Carroll User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.1.5) Gecko/20091204 Thunderbird/3.0 MIME-Version: 1.0 To: Solon Lutz References: <568624531.20091215163420@pyro.de> <42952D86-6B4D-49A3-8E4F-7A1A53A954C2@spry.com> <957649379.20091216005253@pyro.de> In-Reply-To: <957649379.20091216005253@pyro.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Authenticated-User: danny X-Authenticator: plain X-Sender-Verify: SUCCEEDED (sender exists & accepts mail) X-Exim-Version: 4.69 (build at 13-Aug-2009 20:22:24) X-Date: 2010-01-01 15:26:02 X-Connected-IP: 203.206.171.212:60162 X-Message-Linecount: 26 X-Body-Linecount: 12 X-Message-Size: 1006 X-Body-Size: 336 X-Received-Count: 1 X-Recipient-Count: 3 X-Local-Recipient-Count: 3 X-Local-Recipient-Defer-Count: 0 X-Local-Recipient-Fail-Count: 0 X-SA-Exim-Connect-IP: 203.206.171.212 X-SA-Exim-Rcpt-To: solon@pyro.de, matt@corp.spry.com, freebsd-fs@freebsd.org X-SA-Exim-Mail-From: fbsd@dannysplace.net X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on ferrari.dannysplace.net X-Spam-Level: * X-Spam-Status: No, score=1.7 required=8.0 tests=ALL_TRUSTED,AWL, FH_DATE_PAST_20XX autolearn=disabled version=3.2.5 X-SA-Exim-Version: 4.2 X-SA-Exim-Scanned: Yes (on mail.dannysplace.net) Cc: freebsd-fs@freebsd.org Subject: Re: ZFS RaidZ2 with 24 drives? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: fbsd@dannysplace.net List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Jan 2010 05:26:04 -0000 On 16/12/2009 9:52 AM, Solon Lutz wrote:ost 10TB of data. (No backups - to expensive) > Why do you use JBOD? You can configure a passthrough for all drives, > explicitly degrading the Areca to a dumb sata controller... > > > Actually, with passthrough, you get JBOD plus cache plus battery backup.... Quite a nice setup IMHO. -D