On 4/16/2010 3:45 PM, Inno wrote:
> Thanks for your response.
> It's a good reasoning !
>
> But if I have many data : 600 GB for a full and 10 GB modify by day. An 
> incremental it's better ? Because if I have a differential backup I have 10 
> GB the first day, 20 GB the second day... 40 GB the fourth day... ... no ?
>
> M T W T F S S<- Day
> I I I I F - -<- Backup
> 1 2 3 4 0 - -<- Level
> 10 20 30 40 600<- GB

You are going to have to copy the difference between fulls on the full 
runs anyway.  Why not just do fulls more often?  If you use rsync, fulls 
are slower but don't transfer much more data.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com

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