Thank you! I will read it and see where to go from there. Joe
On 01/22/2013 12:44 PM, Kevin Korb wrote: > Here is one I wrote up for a LUG presentation that is specifically > about doing it yourself: > http://sanitarium.net/golug/rsync_backups_2010.html > > On 01/22/13 02:31, Joe wrote: > > There have been a lot of posts on the list lately about issues with > > hard links. It has been very interesting, but I don't understand > > it very thoroughly. I haven't used hard links for anything yet. > > I've used symlinks - not for backups, of course - and have seen > > them get broken or deleted in backups. > > > Is there a tutorial anywhere that will explain how this works > > (assuming that the reader understands the basic concepts of backups > > and knows how to program, but doesn't really understand how to use > > links to create things like incremental or differential backups)? > > It seems like there are a lot of fine points to consider, some of > > which can really bite you if you don't take them into account. > > > I'm working on my own personal backup system using bash and rsync. > > When it's done it will be pretty good, but it would be *much* > > better if I rewrote it to have more backup versions using hard > > links to save space. > > > I am writing my own because (aside from learning a lot) I have only > > seen two types of backup utilities - those that are very simplistic > > and won't let me do what I want and those which are enterprise > > level and I can't figure out how to get them to do anything without > > extensive study. (I did experiment with areca (I think it uses > > rsync libraries under the hood) which would probably do everything > > I want, but I got stuck too many times and couldn't get enough > > support on their forum to keep going.) > > > TIA Joe > >
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