X-Original-To: pgsql-performance@postgresql.org Received: from localhost (developer.postgresql.org [64.117.224.193]) by developer.postgresql.org (Postfix) with ESMTP id 988D3925CAA for ; Fri, 30 May 2003 12:57:26 -0400 (EDT) Received: from developer.postgresql.org ([64.117.224.193]) by localhost (developer.postgresql.org [64.117.224.193:10024]) (amavisd-new) with ESMTP id 43218-05 for ; Fri, 30 May 2003 12:57:25 -0400 (EDT) Received: from mailhub1.sghms.ac.uk (firewall.sghms.ac.uk [194.82.50.2]) by developer.postgresql.org (Postfix) with ESMTP id ED140925C73 for ; Fri, 30 May 2003 12:57:24 -0400 (EDT) Received: from [194.82.51.24] (helo=imail) by mailhub1.sghms.ac.uk with esmtp (Exim 4.12) id 19Ln83-0004Xa-00; Fri, 30 May 2003 17:53:19 +0100 Received: from [172.16.20.3] (mrc1-003.sghms.ac.uk [172.16.20.3]) by imail.sghms.ac.uk (iPlanet Messaging Server 5.1 HotFix 0.7 (built May 7 2002)) with ESMTPA id <0HFP000GRLP2SO@imail.sghms.ac.uk>; Fri, 30 May 2003 17:55:50 +0100 (BST) Date: Fri, 30 May 2003 17:55:40 +0100 From: Adam Witney Subject: Re: Hardware advice In-reply-to: To: "scott.marlowe" , Adam Witney Cc: pgsql-performance Message-id: MIME-version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT User-Agent: Microsoft-Entourage/10.1.1.2418 X-MailScanner-Information: Please contact sysadmin at sghms.ac.uk for more information X-MailScanner-MH1: Found to be clean X-MailScanner-SpamCheck: not spam, SpamAssassin (score=-106.2, required 5, BAYES_01, IN_REP_TO, QUOTED_EMAIL_TEXT, USER_AGENT_ENTOURAGE, USER_IN_WHITELIST) X-Virus-Scanned: by amavisd-new X-Archive-Number: 200305/282 X-Sequence-Number: 2061 Hi scott, Thanks for the info > You might wanna do something like go to all 146 gig drives, put a mirror > set on the first 20 or so gigs for the OS, and then use the remainder > (5x120gig or so ) to make your RAID5. The more drives in a RAID5 the > better, generally, up to about 8 or 12 as the optimal for most setups. I am not quite sure I understand what you mean here... Do you mean take 20Gb from each of the 5 drives to setup a 20Gb RAID 1 device? Or just from the first 2 drives? Thanks again for your help adam -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.