From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Cooper Subject: Re: duplicate files and recent changes Date: Sat, 08 Jun 2002 08:04:15 -0500 Message-ID: <3D0200CF.1050604@swelltech.com> References: <1023440037.971.6.camel@kakapo> <20020608125053.GA11270@blueyonder.co.uk> <3D01FCFF.7020307@namesys.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Hans Reiser Cc: Debian User , Heinz-Josef Claes , reiserfs-list@namesys.com Hans Reiser wrote: > Debian User wrote: > >> On Fri, Jun 07, 2002 at 10:53:57AM +0200, Heinz-Josef Claes wrote: >> >> >>> >>> But I've written a well tested tool for backing up directories on >>> another disk which uses md5 sums to recognize same files (even >>> in one backup) and hard links them. By this way, it combines the >>> advantages of full and incremental backup. It also uses >>> compression and has a lot of other options and optimisations. It >>> runs best with reiserfs, because reiserfs has no preconfigured >>> number of inodes and is fast with hard linking. So, if you need >>> to backup, try http://sourceforge.net/projects/storebackup >>> >> > Would anyone care to check this tool out, and post a review? > > Hans Not to discount the work Heinz-Josef has done, but rdiff-backup may be a better way to achieve a similar goal. It does not have the benefit of being "best with reiserfs" but it works great on ReiserFS partitions (as well as ext2/3 and probably anything else). http://www.stanford.edu/~bescoto/rdiff-backup/ Binary diffs are fun. I'd be surprised if an MD5/hardlink system could match it for compression of increments over time, or beat the flexibility of being able to keep potentially weeks or months worth of daily diffs in a very small space. I may be wrong, of course. But rdiff-backup is working great for me. -- Joe Cooper Web caching appliances and support. http://www.swelltech.com