Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id BD8712E1D81 for ; Wed, 14 Nov 2007 18:39:58 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 16327-03 for ; Wed, 14 Nov 2007 18:39:55 -0400 (AST) Received: from skynet.simkin.ca (skynet.simkin.ca [72.51.27.117]) by postgresql.org (Postfix) with ESMTP id 50B322E1C3A for ; Wed, 14 Nov 2007 18:39:55 -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 3AF404A29 for ; Wed, 14 Nov 2007 14:39:54 -0800 (PST) From: Alan Hodgson Organization: Simkin Network Consulting To: pgsql-performance@postgresql.org Subject: Re: dell versus hp Date: Wed, 14 Nov 2007 14:39:50 -0800 User-Agent: KMail/1.9.6 (enterprise 0.20070907.709405) References: <82607932-FC46-4B73-BF78-2290EE55F7F5@pvv.ntnu.no> <200711141424.24078@hal.medialogik.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711141439.50418@hal.medialogik.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200711/225 X-Sequence-Number: 27640 On Wednesday 14 November 2007, Jeff Frost wrote: > > 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. > > I believe these were both on ext3. I thought I had some XFS results > available for comparison, but I couldn't find them. Yeah I've seen ext3 write performance issues on RAID-10. XFS is much better. -- Q: Why did God create economists? A: In order to make weather forecasters look good.