Received: from localhost (unknown [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 3CD542E1D81 for ; Wed, 14 Nov 2007 18:24:35 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 33284-06 for ; Wed, 14 Nov 2007 18:24:26 -0400 (AST) Received: from skynet.simkin.ca (skynet.simkin.ca [72.51.27.117]) by postgresql.org (Postfix) with ESMTP id 95D4D2E1C3A for ; Wed, 14 Nov 2007 18:24:29 -0400 (AST) Received: from charon.medialogik.com (charon.medialogik.com [72.51.27.114]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by skynet.simkin.ca (Postfix) with ESMTP id 070E14005 for ; Wed, 14 Nov 2007 14:24:27 -0800 (PST) From: Alan Hodgson Organization: Simkin Network Consulting To: pgsql-performance@postgresql.org Subject: Re: dell versus hp Date: Wed, 14 Nov 2007 14:24:23 -0800 User-Agent: KMail/1.9.6 (enterprise 0.20070907.709405) References: <82607932-FC46-4B73-BF78-2290EE55F7F5@pvv.ntnu.no> <200711130749.49594@hal.simkin.ca> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711141424.24078@hal.medialogik.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200711/223 X-Sequence-Number: 27638 On Tuesday 13 November 2007, Jeff Frost wrote: > Ok, Areca ARC1261ML. Note that results were similar for an 8 drive RAID6 > vs 8 drive RAID10, but I don't have those bonnie results any longer. > > Version 1.03 ------Sequential Output------ --Sequential Input- > --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP > /sec %CP 14xRAID6 63G 73967 99 455162 58 164543 23 77637 99 > 438570 31 912.2 1 ------Sequential Create------ --------Random > Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- > -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec > %CP 16 12815 63 +++++ +++ 13041 61 12846 67 +++++ +++ 12871 59 > > > Version 1.03 ------Sequential Output------ --Sequential Input- > --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP > /sec %CP 14xRAID10 63G 63968 92 246143 68 140634 30 77722 99 > 510904 36 607.8 0 ------Sequential Create------ --------Random > Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- > -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec > %CP 16 6655 16 +++++ +++ 5755 12 7259 17 +++++ +++ 5550 12 OK, impressive RAID-6 performance (not so impressive RAID-10 performance, but that could be a filesystem issue). Note to self; try an Areca controller in next storage server. thanks. -- The global consumer economy can best be described as the most efficient way to convert natural resources into waste.