From owner-freebsd-questions@FreeBSD.ORG Wed May 7 12:00:34 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3091E37B401 for ; Wed, 7 May 2003 12:00:34 -0700 (PDT) Received: from pa-plum1b-166.pit.adelphia.net (pa-plum1a-215.pit.adelphia.net [24.53.170.215]) by mx1.FreeBSD.org (Postfix) with ESMTP id 42C4543F3F for ; Wed, 7 May 2003 12:00:33 -0700 (PDT) (envelope-from wmoran@potentialtech.com) Received: from potentialtech.com (working [172.16.0.95]) h47J0V0n009567; Wed, 7 May 2003 15:00:31 -0400 (EDT) (envelope-from wmoran@potentialtech.com) Message-ID: <3EB957CF.2000306@potentialtech.com> Date: Wed, 07 May 2003 15:00:31 -0400 From: Bill Moran User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.3) Gecko/20030429 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Chris Pressey References: <32BFB2DB-80B2-11D7-9502-003065ABFD92@mac.com> <20030507125813.04653d0e.cpressey@catseye.mb.ca> In-Reply-To: <20030507125813.04653d0e.cpressey@catseye.mb.ca> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: questions@freebsd.org Subject: Re: Realtime Filesystem Replication X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 May 2003 19:00:34 -0000 hris Pressey wrote: > On Wed, 7 May 2003 13:34:47 -0400 > Charles Swiger wrote: > > >>On Tuesday, May 6, 2003, at 03:22 PM, YOU wrote: >> >>>Thanks so far to the suggestions including rsync and unison. Both >>>appear >>>to be triggered upon a command line or user typed command. Is >>>someone using a system that tracks the mtimes for files and updates >>>without prompt? >> >>Sure. Whatever causes updates has to keep track and push out it's >>changes t the things which might be interested. Take a look at the >>way funnel newsfeeds work under INN. >> > > But is there a way to do this without being the thing that causes the > updates? For example it might be 'cat > foo.txt' that causes the > update. Without rewriting 'cat' and essentially every other program, of > course - I gather the only way to do this would be at the filesystem > level. Obviously this can be done via kqueue. See the wait_on port. -- Bill Moran Potential Technologies http://www.potentialtech.com