Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id 4750F1337999 for ; Fri, 29 Apr 2011 16:15:42 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 95765-09 for ; Fri, 29 Apr 2011 19:15:34 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mail1.iathh.de (mail1.iathh.de [217.89.104.238]) by mail.postgresql.org (Postfix) with ESMTP id 08AF71337990 for ; Fri, 29 Apr 2011 16:15:32 -0300 (ADT) Received: from [10.22.0.10] ([10.22.0.10]) (authenticated user joachim.worringen@iathh.de) by mail1.iathh.de (Kerio Connect 7.1.4) for pgsql-performance@postgresql.org; Fri, 29 Apr 2011 21:15:30 +0200 Message-ID: <4DBB0E55.6080703@iathh.de> Date: Fri, 29 Apr 2011 21:15:33 +0200 From: Joachim Worringen Organization: IAT GmbH User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100922 Thunderbird/3.1.4 MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: Re: FUSION-IO io cards References: <69D96B03-F991-4825-A8FF-0FEEDCC17461@silentmedia.com> <4DBAE181.2000204@iathh.de> <201104291652.060069@ms14.lnh.mail.rcn.net> In-Reply-To: <201104291652.060069@ms14.lnh.mail.rcn.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-0.011 tagged_above=-10 required=5 tests=BAYES_20=-0.001, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201104/420 X-Sequence-Number: 43482 On 04/29/2011 06:52 PM, gnuoytr@rcn.com wrote: > TMS RAMSAN is a DRAM device. TMS built DRAM SSDs going back decades, > but have recently gotten into flash SSDs as well. The DRAM parts are > in an order of magnitude more expensive than others' flash SSDs, gig > by gig. Also, about as fast as off cpu storage gets. Their naming convention is a bit confusing, but in fact the RamSan boxes are available in flash and RAM-based variants: "The RamSan-630 offers 10 TB SLC Flash storage, 1,000,000 IOPS (10 GB/s) random sustained throughput, and just 500 watts power consumption." I was referring to those. Of course, they may be more expensive than FusionIO. You get what you pay for (in this case). -- Joachim Worringen Senior Performance Architect International Algorithmic Trading GmbH