X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id 3210011F620E for ; Thu, 27 Apr 2006 14:57:22 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 00111-03 for ; Thu, 27 Apr 2006 14:57:12 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from vms046pub.verizon.net (vms046pub.verizon.net [206.46.252.46]) by postgresql.org (Postfix) with ESMTP id 6653A11F61EE for ; Thu, 27 Apr 2006 14:57:10 -0300 (ADT) Received: from osgiliath.mathom.us ([70.108.132.172]) by vms046.mailsrvcs.net (Sun Java System Messaging Server 6.2-4.02 (built Sep 9 2005)) with ESMTPA id <0IYE00GBF77AO6Z5@vms046.mailsrvcs.net> for pgsql-performance@postgresql.org; Thu, 27 Apr 2006 12:57:10 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by osgiliath.mathom.us (Postfix) with ESMTP id 4FB8E6E6C0 for ; Thu, 27 Apr 2006 13:57:08 -0400 (EDT) Received: from osgiliath.mathom.us ([127.0.0.1]) by localhost (osgiliath.home.mathom.us [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 18998-01 for ; Thu, 27 Apr 2006 13:57:07 -0400 (EDT) Received: by osgiliath.mathom.us (Postfix, from userid 1000) id BE6E76E945; Thu, 27 Apr 2006 13:57:06 -0400 (EDT) Date: Thu, 27 Apr 2006 13:57:06 -0400 From: Michael Stone Subject: Re: Running on an NFS Mounted Directory In-reply-to: <20060427175016.GH97354@pervasive.com> To: pgsql-performance@postgresql.org Mail-followup-to: pgsql-performance@postgresql.org Message-id: <20060427175704.GI31328@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: Debian amavisd-new at mathom.us References: <20060427132452.GG31328@mathom.us> <20060427140417.GH31328@mathom.us> <20060427175016.GH97354@pervasive.com> User-Agent: Mutt/1.5.11+cvs20060403 X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200604/651 X-Sequence-Number: 18735 On Thu, Apr 27, 2006 at 12:50:16PM -0500, Jim C. Nasby wrote: >Yes, but some dedicated storage devices actually provide good >performance with RAID5. Most simpler solutions give pretty abysmal write >performance. dedicated storage device != SAN != NAS. You can get good performance in a dedicated direct-attach device without paying for the SAN/NAS infrastructure if you don't need it; you don't have to go right from EMC to PERC with nothing in the middle. Mike Stone