X-Original-To: pgsql-general-postgresql.org@localhost.postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id 5FFC59F9C9E; Tue, 9 May 2006 15:05:43 -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 97860-07; Tue, 9 May 2006 15:05:33 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- X-Greylist: from auto-whitelisted by SQLgrey- Received: from suzuka.mcnaught.org (unknown [4.21.254.118]) by postgresql.org (Postfix) with ESMTP id 2BBAD9F931E; Tue, 9 May 2006 15:05:32 -0300 (ADT) Received: by suzuka.mcnaught.org (Postfix, from userid 1000) id CAEC0167A7B; Tue, 9 May 2006 14:05:28 -0400 (EDT) To: Vivek Khera Cc: "Pgsql-Performance ((E-mail))" , PostgreSQL General Subject: Re: Arguments Pro/Contra Software Raid References: <473FC220-A52C-4954-81E9-A14ED33164C2@blighty.com> <4460BA8B.7010600@commandprompt.com> <5AF87D32-F602-4973-AA21-84E0CFEA1774@khera.org> From: Douglas McNaught Date: Tue, 09 May 2006 14:05:28 -0400 In-Reply-To: <5AF87D32-F602-4973-AA21-84E0CFEA1774@khera.org> (Vivek Khera's message of "Tue, 9 May 2006 13:57:16 -0400") Message-ID: <87mzdroyzb.fsf@suzuka.mcnaught.org> User-Agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200605/373 X-Sequence-Number: 95165 Vivek Khera writes: > On May 9, 2006, at 11:51 AM, Joshua D. Drake wrote: > >> And dollar for dollar, SCSI will NOT be faster nor have the hard >> drive capacity that you will get with SATA. > > Does this hold true still under heavy concurrent-write loads? I'm > preparing yet another big DB server and if SATA is a better option, > I'm all (elephant) ears. Correct me if I'm wrong, but I've never heard of a 15kRPM SATA drive. -Doug