From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751061AbWGGCLM (ORCPT ); Thu, 6 Jul 2006 22:11:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751146AbWGGCLM (ORCPT ); Thu, 6 Jul 2006 22:11:12 -0400 Received: from mail.tmr.com ([64.65.253.246]:31404 "EHLO gaimboi.tmr.com") by vger.kernel.org with ESMTP id S1751061AbWGGCLL (ORCPT ); Thu, 6 Jul 2006 22:11:11 -0400 Message-ID: <44ADC3CE.1030302@tmr.com> Date: Thu, 06 Jul 2006 22:15:42 -0400 From: Bill Davidsen Organization: TMR Associates Inc, Schenectady NY User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.11) Gecko/20050729 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Trond Myklebust CC: "J. Bruce Fields" , Theodore Tso , Thomas Glanzmann , LKML Subject: Re: ext4 features References: <20060701163301.GB24570@cip.informatik.uni-erlangen.de> <20060704010240.GD6317@thunk.org> <44ABAF7D.8010200@tmr.com> <20060705125956.GA529@fieldses.org> <44AC2B56.8010703@tmr.com> <20060705214133.GA28487@fieldses.org> <44AC7647.2080005@tmr.com> <1152189796.5689.17.camel@lade.trondhjem.org> In-Reply-To: <1152189796.5689.17.camel@lade.trondhjem.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Trond Myklebust wrote: >Nobody gives a rats arse about backups: those are infrequent and >can/should use more sophisticated techniques such as checksumming. > Actually, those of us who do run production servers care vastly about backups. And beside being utterly unscalable (checksum 20 TB of files four times a day to find what changed???), you would have to remember the checksums for all those files. -- bill davidsen CTO TMR Associates, Inc Doing interesting things with small computers since 1979