From: dan <dan...@gm...> - 2008-02-19 23:08:25
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i looked at my archive history hear and i have a number of hosts than do incrementals take like 6 minutes and fulls like 46 minutes On Feb 19, 2008 4:07 PM, Carl Wilhelm Soderstrom <ch...@re...> wrote: > On 02/19 05:53 , Raman Gupta wrote: > > Carl Wilhelm Soderstrom wrote: > > >>> If you're running >=v3 the following option will make all the > incrementals > > >>> sync against the previous incremental, instead of the last full. > This keeps > > >>> them from growing quite as quickly. (It's the behavior you expect > from > > >>> rsync). > > >>> > > >>> $Conf{IncrLevels} = [1, 2, 3, 4, 5, 6]; > > >>> > > >> I was under the assumption that BackupPC never transfers the same > file > > >> twice unless it changed after the last backup (either full or > > >> incremental), even in the 2.x version. Was that an invalid > assumption > > >> on my part? > > > > > > That is incorrect. Backuppc does its incrementals against the last > full; not > > > against the previous incremental (unless you set $Conf{IncrLevels} = > [1, 2, > > > 3, 4, 5, 6];). > > > > So is it correct to say that when using rsync, its probably more > > efficient to just turn off incrementals and always do fulls? > > No, and a brief examination of the reports will make this clear. > I'm not thoroughly clear on the difference; but backuppc 'fulls' using > rsync > do a more thorough set of checks than the 'incrementals'. > > Incrementals, even using rsync, are usually much faster than fulls. > > -- > Carl Soderstrom > Systems Administrator > Real-Time Enterprises > www.real-time.com > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > BackupPC-users mailing list > Bac...@li... > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > Wiki: http://backuppc.wiki.sourceforge.net > Project: http://backuppc.sourceforge.net/ > |