Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1UylRL-0008DT-T3 for pgsql-admin@arkaria.postgresql.org; Mon, 15 Jul 2013 16:15:56 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1UylRL-0006dS-Co for pgsql-admin@arkaria.postgresql.org; Mon, 15 Jul 2013 16:15:55 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1UylRK-0006dB-Kt for pgsql-admin@postgresql.org; Mon, 15 Jul 2013 16:15:54 +0000 Received: from lists.commandprompt.com ([69.168.55.30]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1UylRG-0005ea-FQ for pgsql-admin@postgresql.org; Mon, 15 Jul 2013 16:15:53 +0000 Received: from [192.168.1.2] (spinlock.commandprompt.com [69.168.55.30]) by lists.commandprompt.com (Postfix) with ESMTPA id 2AD58A0; Mon, 15 Jul 2013 09:15:48 -0700 (PDT) Received: from [192.168.1.2] ([71.95.102.59] helo=[192.168.1.2]) by assp.commandprompt.com with ESMTP (2.1.1); 15 Jul 2013 09:15:43 -0700 Message-ID: <51E42030.3030400@commandprompt.com> Date: Mon, 15 Jul 2013 09:15:44 -0700 From: "Joshua D. Drake" User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: Jorge Torralba CC: pgsql-admin@postgresql.org Subject: Re: 9.2 Observer node for streaming replication References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Assp-Version: 2.1.1(11364) on assp.commandprompt.com X-Assp-ID: assp.commandprompt.com m1-04948-02663 X-Assp-Envelope-From: jd@commandprompt.com X-Assp-Intended-For: jorge.torralba@gmail.com X-Assp-Original-Subject: Re: [ADMIN] 9.2 Observer node for streaming replication X-Pg-Spam-Score: -2.3 (--) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-admin Precedence: bulk Sender: pgsql-admin-owner@postgresql.org On 7/15/2013 8:55 AM, Jorge Torralba wrote: > I have a master and a slave running streaming replication between the > two servers. I would like to setup some kind of third machine to play > the role of observer node to monitor the replication and do the > automatic fail over. However, I can't find any documentation or > suggestions on such an implementation. Is it possible to do with 9.2.4 > or will I need to rely on some sort of F5 load balancer to handle the > auto failover? Depends on your OS. We do this all the time with our HAC setups and we don't need any kind of load balancer to pull it off. JD -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin