X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (wm.hub.org [200.46.204.128]) by postgresql.org (Postfix) with ESMTP id 062569FB22F for ; Thu, 14 Sep 2006 16:08:57 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 98051-06 for ; Thu, 14 Sep 2006 19:08:34 +0000 (UTC) X-Greylist: delayed 00:32:27.726992 by SQLgrey- Received: from skynet.simkin.ca (skynet.simkin.ca [199.175.137.210]) by postgresql.org (Postfix) with ESMTP id E5D539FA2D4 for ; Thu, 14 Sep 2006 16:08:33 -0300 (ADT) Received: from crecy.medialogik.com (crecy.medialogik.com [72.51.27.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by skynet.simkin.ca (Postfix) with ESMTP id 09E22103C4; Thu, 14 Sep 2006 11:36:03 -0700 (PDT) From: Alan Hodgson Organization: Simkin Network Consulting To: pgsql-performance@postgresql.org Subject: Re: RAID 0 not as fast as expected Date: Thu, 14 Sep 2006 11:36:03 -0700 User-Agent: KMail/1.9.1 Cc: "Craig A. James" References: <450999EC.8070601@modgraph-usa.com> In-Reply-To: <450999EC.8070601@modgraph-usa.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200609141136.03345@hal.medialogik.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200609/168 X-Sequence-Number: 20854 On Thursday 14 September 2006 11:05, "Craig A. James" wrote: > I'm experiment with RAID, looking for an inexpensive way to boost > performance. I bought 4 Seagate 7200.9 120 GB SATA drives and two SIIG > dual-port SATA cards. (NB: I don't plan to run RAID 0 in production, > probably RAID 10, so no need to comment on the failure rate of RAID 0.) > Are those PCI cards? If yes, it's just a bus bandwidth limit. -- Alan