From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266903AbUH0Sc6 (ORCPT ); Fri, 27 Aug 2004 14:32:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266912AbUH0Sc6 (ORCPT ); Fri, 27 Aug 2004 14:32:58 -0400 Received: from rwcrmhc11.comcast.net ([204.127.198.35]:1446 "EHLO rwcrmhc11.comcast.net") by vger.kernel.org with ESMTP id S266903AbUH0Scx (ORCPT ); Fri, 27 Aug 2004 14:32:53 -0400 X-Comment: AT&T Maillennium special handling code - c Message-ID: <412F7D22.5050101@namesys.com> Date: Fri, 27 Aug 2004 11:27:46 -0700 From: Hans Reiser User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040803 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rik van Riel CC: David Masover , Linus Torvalds , Diego Calleja , jamie@shareable.org, christophe@saout.de, vda@port.imtp.ilyichevsk.odessa.ua, christer@weinigel.se, spam@tnonline.net, akpm@osdl.org, wichert@wiggy.net, jra@samba.org, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, reiserfs-list@namesys.com Subject: Re: silent semantic changes with reiser4 References: In-Reply-To: X-Enigmail-Version: 0.85.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Rik van Riel wrote: >On Fri, 27 Aug 2004, Hans Reiser wrote: > > > >>Why are you guys even considering going to any pain at all to distort >>semantics for the sake of backup? tar is easy, we'll fix it and send in >>a patch. >> >> > >Because not everybody uses tar. Quite a few people use a >network backup system, while others use duplicity, RPM uses >cpio internally and big companies tend to use proprietary >network backup suites. > >Breaking people's setup is something to worry about. > > > It is the tail that should not wag the dog. New semantics are going to break backups other than dd. We need a LOT of new semantics if we don't want to be inferior to Apple and MS. We should implement backup plugin methods though, so that we only have to break things once....