Received: from localhost (unknown [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id 5E37B2E0213 for ; Sun, 2 Mar 2008 04:05:45 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 09894-04 for ; Sun, 2 Mar 2008 04:05:38 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from lists.commandprompt.com (host-159.commandprompt.net [207.173.203.159]) by postgresql.org (Postfix) with ESMTP id D8F2F2E0212 for ; Sun, 2 Mar 2008 04:05:40 -0400 (AST) Received: from jd-laptop (or-69-34-217-90.sta.embarqhsd.net [69.34.217.90]) (authenticated bits=0) by lists.commandprompt.com (8.13.8/8.13.8) with ESMTP id m22862iQ031639 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 2 Mar 2008 00:06:03 -0800 Date: Sun, 2 Mar 2008 00:05:35 -0800 From: "Joshua D. Drake" To: "Steve Poe" Cc: pgsql-performance@postgresql.org Subject: Re: How to choose a disc array for Postgresql? Message-ID: <20080302000535.5a6ae4b6@jd-laptop> In-Reply-To: <721b21dc0803012337u55ddaa13l5517816659f8e100@mail.gmail.com> References: <721b21dc0803012337u55ddaa13l5517816659f8e100@mail.gmail.com> Organization: Joshua D. Drake X-Mailer: Claws Mail 3.3.0 (GTK+ 2.12.0; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/XeoP=WtZMYUu/So89+Cae0."; protocol="application/pgp-signature"; micalg=PGP-SHA1 X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0 (lists.commandprompt.com [207.173.203.159]); Sun, 02 Mar 2008 00:06:03 -0800 (PST) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200803/14 X-Sequence-Number: 28968 --Sig_/XeoP=WtZMYUu/So89+Cae0. Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sat, 1 Mar 2008 23:37:37 -0800 "Steve Poe" wrote: > I am moving our small business application > database application supporting > a 24/7 animal hospital to use 8.0.15 from > 7.4.19 (it will not support 8.1, 8.2. or 8.3). >=20 > Now, we can choose a new a disc array. SATA > seems cheaper and you can get more discs but > I want to stay with SCSI. Any good reasons to > choose SATA over SCSI? Sata is great if you need lots of space. SCSI/SAS is better if you want lots of performance from a lesser amount of spindles. Joshua D. Drake --=20 The PostgreSQL Company since 1997: http://www.commandprompt.com/=20 PostgreSQL Community Conference: http://www.postgresqlconference.org/ Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate PostgreSQL SPI Liaison | SPI Director | PostgreSQL political pundit --Sig_/XeoP=WtZMYUu/So89+Cae0. Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFHyl/SATb/zqfZUUQRAiNVAJ9r3VmQbl5OUDscRhFIYt/U+vmyYgCeLwej mIy9cZgKgDTfxYP1QY48Yfc= =BXAh -----END PGP SIGNATURE----- --Sig_/XeoP=WtZMYUu/So89+Cae0.--