From owner-freebsd-hardware@FreeBSD.ORG Fri Jan 9 09:02:10 2009 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DE8A5106567F; Fri, 9 Jan 2009 09:02:10 +0000 (UTC) (envelope-from fbsd@dannysplace.net) Received: from mail.dannysplace.net (mail.dannysplace.net [213.133.54.210]) by mx1.freebsd.org (Postfix) with ESMTP id 8C1648FC20; Fri, 9 Jan 2009 09:02:10 +0000 (UTC) (envelope-from fbsd@dannysplace.net) Received: from 60-242-243-193.static.tpgi.com.au ([60.242.243.193] helo=[192.168.10.10]) by mail.dannysplace.net with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69 (FreeBSD)) (envelope-from ) id 1LLDFe-0008F1-MC; Fri, 09 Jan 2009 19:02:09 +1000 Message-ID: <496712A2.4020800@dannysplace.net> Date: Fri, 09 Jan 2009 19:02:26 +1000 From: Danny Carroll User-Agent: Thunderbird 2.0.0.19 (Windows/20081209) MIME-Version: 1.0 To: Koen Smits References: <20081031033208.GA21220@icarus.home.lan> <491C5AA7.1030004@samsco.org> <491C9535.3030504@dannysplace.net> <4920E1DD.7000101@dannysplace.net> <20081117070818.GA22231@icarus.home.lan> <496549D9.7010003@dannysplace.net> <4966B6B1.8020502@dannysplace.net> In-Reply-To: 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 08-Jul-2008 08:59:40) X-Date: 2009-01-09 19:01:59 X-Connected-IP: 60.242.243.193:2227 X-Message-Linecount: 30 X-Body-Linecount: 15 X-Message-Size: 1648 X-Body-Size: 591 X-Received-Count: 1 X-Recipient-Count: 4 X-Local-Recipient-Count: 4 X-Local-Recipient-Defer-Count: 0 X-Local-Recipient-Fail-Count: 0 X-SA-Exim-Connect-IP: 60.242.243.193 X-SA-Exim-Rcpt-To: kgysmits@gmail.com, koitsu@freebsd.org, freebsd-fs@freebsd.org, freebsd-hardware@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=0.2 required=8.0 tests=ALL_TRUSTED,TVD_RCVD_IP 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, Jeremy Chadwick , freebsd-hardware@freebsd.org Subject: Re: Areca vs. ZFS performance testing. X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: fbsd@dannysplace.net List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Jan 2009 09:02:11 -0000 Koen Smits wrote: > Those numbers are pretty good, right? Who needs onboard XOR anyway :) > Those numbers are great, but I would love to know that writes to the disks are also protected by the battery backup. If not then I'll be forced to use either hardware raid5/6 or perhaps some other configuration. Maybe 6 stripe sets in a raidz array? At the end of the day however I really don't care about the performance, even the slowest of the tests I did would be fast enough to saturate a gigabit ethernet port, which is way fast enough for me. But its an interesting set of tests... -D