From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262020AbUCOHsJ (ORCPT ); Mon, 15 Mar 2004 02:48:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262024AbUCOHsJ (ORCPT ); Mon, 15 Mar 2004 02:48:09 -0500 Received: from mail.shareable.org ([81.29.64.88]:16780 "EHLO mail.shareable.org") by vger.kernel.org with ESMTP id S262020AbUCOHsH (ORCPT ); Mon, 15 Mar 2004 02:48:07 -0500 Date: Mon, 15 Mar 2004 07:45:58 +0000 From: Jamie Lokier To: Pavel Machek Cc: =?iso-8859-1?Q?J=F6rn?= Engel , Sytse Wielinga , linux-kernel@vger.kernel.org Subject: Re: [PATCH for testing] cow behaviour for hard links Message-ID: <20040315074558.GA7188@mail.shareable.org> References: <20040310193429.GB4589@wohnheim.fh-wedel.de> <200403121849.03505.s.b.wielinga@student.utwente.nl> <20040312182912.GB7087@wohnheim.fh-wedel.de> <20040313134330.GC3352@openzaurus.ucw.cz> <20040313194827.GA4748@wohnheim.fh-wedel.de> <20040313210305.GB549@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040313210305.GB549@elf.ucw.cz> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Pavel Machek wrote: > > Or did you mean the problem of tar backups growing *much* larger than > > the real filesystem? Yes, tar becomes useless for backups then. :) > > Yep, this is what I meant. A different but related problem: rsync cannot backup my kernel development directory from one hard disk to another, because it contains lots of kernel trees mostly hard linked to each other. rsync falls over, trying to keep track of the roughly half a million links. You might see similar problems trying to backup a strongly "copyfile"'d filesystems. -- Jamie