On Friday 20 November 2009 00:19:59 Scot Wilcoxon wrote: > I ran headlong into the version incompatibility problem, because I'm > running different versions of Ubuntu thus there are different rdiff-backup > versions packaged on the two systems. > > I don't see documentation for the version compatibility rules. Is it > required that all the clients and servers be the same version? That > greatly reduces the benefits of packaging systems, if manual recompilation > on many systems is needed. > > Not even my newest Ubuntu server can be trusted with rdiff-backup. It > only has 1.2.7, and you're not offering that version, so I can't install > 1.2.7 on other systems.
Well, there is a stated goal to compatibility in the stable branch, which now happen to be 1.2.x. In other word it should be safe to run the Ubuntu 9.04 rdiff-backup (1.2.7) and the Ubuntu 9.10 rdiff-backup (1.2.8). The fact that you will receive a warning (not an error) is probably due to historic and/or cautionary reasons. Just do a few backups, verify that it works fine and you should then be able to simply ignore/filter that warning. The real potential problem arises if you are using older Ubuntu releases, such as 8.04 or 8.10. They include rdiff-backup versions from its development branch, which very well might be none compatible each other as well as newer versions. In that case it might very well be a good idea to use the PPA which Adrian Klaver has already suggested: https://launchpad.net/~rdiff-backup-pkgs/+archive/ppa I use it myself, and find it very useful. That's probably the reason to why I maintain it in the first place :) Anyway, including development versions of rdiff-backup in Ubuntu was in hindsight a mistake. Most likely that will not happen again. See the discussion in this bug thread for more information: https://bugs.launchpad.net/bugs/128242 // Andreas
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