Received: from localhost (unknown [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id 6D9359FC526 for ; Wed, 31 Oct 2007 17:41:47 -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 55531-03-7 for ; Wed, 31 Oct 2007 17:41:07 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from main2.mycybernet.net (main2.mycybernet.net [209.222.63.140]) by postgresql.org (Postfix) with ESMTP id ADB699FD481 for ; Wed, 31 Oct 2007 16:05:04 -0300 (ADT) Received: from 227-54-222-209.mycybernet.net ([209.222.54.227] helo=crankycanuck.ca) by main2.mycybernet.net with esmtp (Exim 4.62) (envelope-from ) id 1InIsB-0007FH-Hy for pgsql-sql@postgresql.org; Wed, 31 Oct 2007 15:05:03 -0400 Received: by crankycanuck.ca (Postfix, from userid 1000) id 51963404E; Wed, 31 Oct 2007 15:04:58 -0400 (EDT) Date: Wed, 31 Oct 2007 15:04:58 -0400 From: Andrew Sullivan To: pgsql-sql@postgresql.org Subject: Re: Backup Database Message-ID: <20071031190458.GL23699@crankycanuck.ca> References: <4728B7F9.5030308@noaa.gov> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4728B7F9.5030308@noaa.gov> User-Agent: Mutt/1.5.9i X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200710/156 X-Sequence-Number: 29528 On Wed, Oct 31, 2007 at 10:14:33AM -0700, Joanne Salerno wrote: > I'd like to set up one as a near real-time backup to the operational > database. Is it possible to incorporate a trigger upon update (or > insert) on the operational 8.24 database to initiate an update (or > insert) on the backup 7.4 database? You can do this with Slony, assuming nothing else needs to be written (on the replicated tables) into the 7.4 system. A -- Andrew Sullivan | ajs@crankycanuck.ca Never get involved in litigation. Your hair will fall out, your bones will turn to sand. And it will still be going on. --Tom Waits