On 25 February 2016 at 01:19, Adrian Klaver <adrian.kla...@aklaver.com> wrote:
On 02/24/2016 01:57 PM, Nicolas wrote: > >> Hi all, >> >> I'm an happy rdiff-backup user for many years. >> >> Years ago I setup a rdiff-backup from a WWW server to a local server. >> Internet connection is limited to 2Mbps between the 2 servers. >> As /var/www was initially empty, rdiff-backup as done its backup job >> everyday without problem, with many sites added in /var/www. >> >> Now /var/www is 14G large and I need to fresh start the backup >> (destination directory has been deleted). >> >> Bad thing is that trying to first sync source and destination via the >> command : >> nice -n 19 rdiff-backup --force $SOURCE $DEST::$DESTDIR >> always ends with network (Internet error) like these : >> Found interrupted initial backup. Removing... >> Write failed: Broken pipe >> Fatal Error: Lost connection to the remote system >> >> What would be proper way to first sync rdiff-backup ? >> Would a previous rsync help, so that only meta-datas would be written by >> rdiff ? >> > > I do not use rdiff much any more, as I switched over to borg-backup( > http://borgbackup.readthedocs.org/en/stable/), so I am a little rusty on > my advice. In addition to my previous post, I now remember something else I > used to do. That is rdiff from the source to a local destination, then > rsync the local destination to the remote destination, finally switch the > backup to use the remote instead of the local destination. rsync is more > forgiving of network interruptions. > > I think that is good advice, it is the strategy I follow with my TimeDicer <http://www.timedicer.co.uk> - a local 'primary' rdiff-backup server and a remote 'mirror' server that is synchronized by a script <http://www.timedicer.co.uk/programs/help/timedicer-mirror.sh.php> on the primary which uses rsync. Alternatively it is possible to tweak the ssh settings to help rdiff-backup maintain a session over the internet, still I don't think it is such a robust solution.
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