Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id B589A64FCC4 for ; Sat, 30 Aug 2008 07:30:21 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 69866-04 for ; Sat, 30 Aug 2008 07:30:16 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by postgresql.org (Postfix) with ESMTP id 1B19264FCE6 for ; Sat, 30 Aug 2008 07:30:20 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by news.hub.org (8.14.1/8.14.1) with ESMTP id m7UAUFr5071681 for ; Sat, 30 Aug 2008 07:30:15 -0300 (ADT) (envelope-from news@news.hub.org) Received: (from news@localhost) by news.hub.org (8.14.1/8.14.1/Submit) id m7UALRu3064134 for pgsql-performance@postgresql.org; Sat, 30 Aug 2008 07:21:27 -0300 (ADT) (envelope-from news) From: cluster X-Newsgroups: pgsql.performance Subject: Re: Best hardware/cost tradoff? Date: Sat, 30 Aug 2008 12:21:29 +0200 Organization: Hub.Org Networking Services Lines: 6 Message-ID: References: <064701c90949$51d117d0$8f01010a@iptel.com.ar> <48B709A5.3090906@emolecules.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@news.hub.org User-Agent: Thunderbird 2.0.0.16 (X11/20080724) In-Reply-To: To: pgsql-performance@postgresql.org X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200808/428 X-Sequence-Number: 31309 We are now leaning towards just buying 4 SAS disks. So should I just make one large RAID-10 partition or make two RAID-1's having the log on one RAID and everything else on the second RAID? How can I get the best read/write performance out of these four disks? (Remember, that it is a combined web-/database server).