X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id 9A5979DC86B for ; Wed, 14 Dec 2005 14:32:51 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 50383-05 for ; Wed, 14 Dec 2005 14:32:50 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from vms040pub.verizon.net (vms040pub.verizon.net [206.46.252.40]) by postgresql.org (Postfix) with ESMTP id 2F9C69DC830 for ; Wed, 14 Dec 2005 14:32:48 -0400 (AST) Received: from osgiliath.mathom.us ([70.108.72.158]) by vms040.mailsrvcs.net (Sun Java System Messaging Server 6.2-4.02 (built Sep 9 2005)) with ESMTPA id <0IRI00CSU3HR86O3@vms040.mailsrvcs.net> for pgsql-performance@postgresql.org; Wed, 14 Dec 2005 12:32:16 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by osgiliath.mathom.us (Postfix) with ESMTP id 85D8562E5DF for ; Wed, 14 Dec 2005 13:32:15 -0500 (EST) Received: from osgiliath.mathom.us ([127.0.0.1]) by localhost (osgiliath [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 15205-02 for ; Wed, 14 Dec 2005 13:32:15 -0500 (EST) Received: by osgiliath.mathom.us (Postfix, from userid 1000) id 5F5206005F5; Wed, 14 Dec 2005 13:32:15 -0500 (EST) Date: Wed, 14 Dec 2005 13:32:15 -0500 From: Michael Stone Subject: Re: SAN/NAS options In-reply-to: To: pgsql-performance@postgresql.org Mail-followup-to: pgsql-performance@postgresql.org Message-id: <20051214183215.GJ11779@mathom.us> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-disposition: inline X-Pgp-Fingerprint: 53 FF 38 00 E7 DD 0A 9C 84 52 84 C5 EE DF 7C 88 X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at mathom.us References: User-Agent: Mutt/1.5.11 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0 required=5 tests=[none] X-Spam-Score: 0 X-Spam-Level: X-Archive-Number: 200512/331 X-Sequence-Number: 16152 On Wed, Dec 14, 2005 at 11:53:52AM -0500, Andrew Rawnsley wrote: >Other goofy things about it: it isn't 1 device with 14 disks and redundant >controllers. Its 2 7 disk arrays with non-redundant controllers. It doesn't >do RAID10. And if you want hot spares you need *two* per tray (one for each controller). That definately changes the cost curve. :) Mike Stone