"Simply Amazing" and "Head Slappers"

[Python]

On Thu, 2007-03-22 at 15:05 -0400, Mark Komarinski wrote:
> On 03/22/2007 02:44 PM, Drew Van Zandt wrote:
> > I automated backups of all the important data (on *nix and Windows
> > machines) with a small perl script run by cron (and cygwin/SSHD on the
> > Windows servers, automagic SSH login w/keys, etc.) including offsite
> > backup, waaaay ahead of where they were before.  Has saved us at least
> > twice.
> rdiff-backup is an absolutely brilliant backup-to-remote-system
> application.  We use it for backing up all our local disks to one
> central system, and that system is then backed up to tape.  Saves a lot
> on Veritas Netbackup licenses.
> 
> rdiff-backup only does incremental backups, so the only thing you're
> backing up are the diffs from the previous backup.  As a result, you can
> restore any file to any backup just by entering the date/time you want. 
> Backups are (can be) compressed, so day-to-day backups are minor.  You
> can also expire old backups.
> 
> http://www.nongnu.org/rdiff-backup/

I thought I was up on Python packages, but this was new to me.  
I've been using dirvish which relies on rsync for the network traffic,
        http://www.dirvish.org/
but saves a full copy of the changed file.  Files are hard-linked into
daily snap-shot directories.  It works well for backing up remote web
sites (html/css files) where the changes are often not incremental, but
is worthless for database and log files.  rdiff looks like the perfect
complement to dirvish.

> 
> -Mark
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-- 
Lloyd Kvam
Venix Corp