Received: from localhost (unknown [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id 0E51C2E0056 for ; Fri, 28 Mar 2008 15:58:30 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 68394-08-2 for ; Fri, 28 Mar 2008 15:58:07 -0300 (ADT) X-Greylist: delayed 00:21:58.07246 by SQLgrey-1.7.5 Received: from crestone.coronasolutions.com (crestone.coronasolutions.com [66.45.104.24]) by postgresql.org (Postfix) with ESMTP id 0091F2E004E for ; Fri, 28 Mar 2008 15:58:10 -0300 (ADT) Received: from localhost (localhost.localdomain [127.0.0.1]) by crestone.coronasolutions.com (Postfix) with ESMTP id DF66BACC09D; Fri, 28 Mar 2008 12:35:58 -0600 (MDT) Received: from crestone.coronasolutions.com ([127.0.0.1]) by localhost (crestone.coronasolutions.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 06411-09; Fri, 28 Mar 2008 12:35:57 -0600 (MDT) Received: from mac.local (unknown [10.1.250.4]) by crestone.coronasolutions.com (Postfix) with ESMTP id 0E6C3ACC00C for ; Fri, 28 Mar 2008 12:35:57 -0600 (MDT) Message-ID: <47ED3A8C.1060208@drivefaster.net> Date: Fri, 28 Mar 2008 12:35:56 -0600 From: Dan Harris User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: Re: Planning a new server - help needed References: <47ECB4F6.1040901@shopzeus.com> In-Reply-To: <47ECB4F6.1040901@shopzeus.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new-20030616-p10 (Debian) at coronasolutions.com X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200803/517 X-Sequence-Number: 29471 Laszlo Nagy wrote: > > Question 4. How to make the partitions? This is the hardest question. > Here is my plan: > > - the OS resides on 2 disks, RAID 1 > - the databases should go on 8 disks, RAID 0 + 1 Make sure you understand the difference between RAID 1+0 and RAID 0+1.. I suspect you'll end up going with 1+0 instead. -Dan