X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 506305288A for ; Tue, 16 Aug 2005 13:29:27 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 28351-09 for ; Tue, 16 Aug 2005 16:29:23 +0000 (GMT) Received: from hosting.commandprompt.com (128.commandprompt.com [207.173.200.128]) by svr1.postgresql.org (Postfix) with ESMTP id 4126952888 for ; Tue, 16 Aug 2005 13:29:23 -0300 (ADT) Received: from [192.168.1.55] (fc1smp [66.93.38.87]) (authenticated bits=0) by hosting.commandprompt.com (8.13.4/8.13.4) with ESMTP id j7GGRd4c024499; Tue, 16 Aug 2005 09:27:39 -0700 Message-ID: <430214F3.7010503@commandprompt.com> Date: Tue, 16 Aug 2005 09:31:47 -0700 From: "Joshua D. Drake" Organization: Command Prompt, Inc. User-Agent: Mozilla Thunderbird 1.0.6-1.1.fc4 (X11/20050720) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Alvaro Herrera Cc: Josh Berkus , pgsql-performance@postgresql.org, "Jeffrey W. Baker" , Steve Poe , paul@oxton.com Subject: Re: [SPAM?] Re: PG8 Tuning References: <1536.217.45.209.171.1123763001.squirrel@www.gradwell.com> <1123836428.19976.26.camel@amd64-laptop-spoe> <1123779524.6664.1.camel@toonses.gghcwest.com> <200508160912.32263.josh@agliodbs.com> <20050816162531.GB32695@alvh.no-ip.org> In-Reply-To: <20050816162531.GB32695@alvh.no-ip.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender succeded SMTP AUTH authentication, not delayed by milter-greylist-1.6 (hosting.commandprompt.com [192.168.1.101]); Tue, 16 Aug 2005 09:27:39 -0700 (PDT) X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.013 required=5 tests=[AWL=0.013] X-Spam-Level: X-Archive-Number: 200508/175 X-Sequence-Number: 13922 > I've been asked this a couple of times and I don't know the answer: what > happens if you give XLog a single drive (unmirrored single spindle), and > that drive dies? So the question really is, should you be giving two > disks to XLog? If that drive dies your restoring from backup. You would need to run at least RAID 1, preferrably RAID 10. Sincerely, Joshua D. Drkae > -- Your PostgreSQL solutions company - Command Prompt, Inc. 1.800.492.2240 PostgreSQL Replication, Consulting, Custom Programming, 24x7 support Managed Services, Shared and Dedicated Hosting Co-Authors: plPHP, plPerlNG - http://www.commandprompt.com/