On Mon, 25 Sep 2006, Bill Moran wrote: >> You need an unbroken chain of incrementals, i.e. from the last full >> backup to the current date no incremental backup can be pruned. > > Not exactly true. Differentials can be used to "consolidate" incrementals. > Assuming you make incrementals 6 days a week, and Sunday is for fulls > and differentials, set retention on your incrementals to 6 days, > differentials to 3 weeks. Then you'll always have enough data to > perform an incremental without building a new full. > > That gives you the standard "decreasing granularity with increasing > age" scheme that most people want.
It also gives you a faster way to "zero in" on a particular file revision. (We routinely get requests to restore XYZ file from ABC date) And it also speeds up full restores (full + last differential + subsequent incrementals) AB ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
