From owner-freebsd-stable@FreeBSD.ORG Fri Jul 23 19:08:05 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 55A0F106567F for ; Fri, 23 Jul 2010 19:08:05 +0000 (UTC) (envelope-from hirez@libeljournal.com) Received: from v-smtp-auth-relay-1.gradwell.net (v-smtp-auth-relay-1.gradwell.net [79.135.125.40]) by mx1.freebsd.org (Postfix) with ESMTP id 79F4A8FC28 for ; Fri, 23 Jul 2010 19:08:04 +0000 (UTC) Received: from cpc2-chap5-0-0-cust256.aztw.cable.virginmedia.com ([77.103.165.1] helo=propellor.libeljournal.com country=GB ident=hirez) by v-smtp-auth-relay-1.gradwell.net with esmtpa (Gradwell gwh-smtpd 1.290) id 4c49e892.1f35.35 for freebsd-stable@freebsd.org; Fri, 23 Jul 2010 20:08:02 +0100 (envelope-sender ) Received: from localhost (localhost [127.0.0.1]) by propellor.libeljournal.com (Postfix) with ESMTP id 38AF51705A for ; Fri, 23 Jul 2010 20:08:02 +0100 (BST) X-Virus-Scanned: amavisd-new at libeljournal.com Received: from propellor.libeljournal.com ([127.0.0.1]) by localhost (propellor.libeljournal.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id d+LmBvKPoo9V for ; Fri, 23 Jul 2010 20:07:58 +0100 (BST) Received: from [172.16.0.10] (twister.libeljournal.com [172.16.0.10]) by propellor.libeljournal.com (Postfix) with ESMTPA id 611071701A for ; Fri, 23 Jul 2010 20:07:58 +0100 (BST) Message-ID: <4C49E88B.9030508@libeljournal.com> Date: Fri, 23 Jul 2010 20:07:55 +0100 From: John Hawkes-Reed User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.7) Gecko/20100713 Thunderbird/3.1.1 MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <4C47B57F.5020309@langille.org> <4C48E695.6030602@langille.org> <4C498024.7050106@libeljournal.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: Using GTP and glabel for ZFS arrays 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: Fri, 23 Jul 2010 19:08:05 -0000 On 23/07/2010 19:04, Dmitry Morozovsky wrote: > On Fri, 23 Jul 2010, John Hawkes-Reed wrote: > > JH> Since I still have the medium-sized ZFS array on the bench, testing this GPT > JH> setup seemed like a good idea. > JH> > JH> The hardware's a Supermicro X8DTL-iF m/b + 12Gb memory, 2x 5502 Xeons, 3x > JH> Supermicro USASLP-L8I 3G SAS controllers and 24x Hitachi 2Tb drives. > > [snip] > > JH> For an apples/oranges comparison, here's the output from the other box we > JH> built. The hardware's more or less the same - the drive controller's an > JH> Areca-1280, but the OS was Solaris 10.latest: > JH> > JH> --------Sequential Output------- ---Sequential Input-- --Random-- > JH> -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- > JH> > JH> GB M/sec %CPU M/sec %CPU M/sec %CPU M/sec %CPU M/sec %CPU /sec %CPU > JH> 5 116.8 75.0 524.7 65.4 156.3 20.3 161.6 99.2 2924.0 100.0 199999 300.0 > > . ~~~~~~ > > Frakking Cylons! You have quite a beast! ;-) :D Like I said, I think those numbers were the Bonnie test data fitting inside the cache. Making all the bits work together has been a bit of a nightmare, but we're really pleased with the performance and stability of 8.1 + ZFS. (Having said that, the kit will spit the drives out of the cab over the weekend for spite...) -- JH-R