Re: [BackupPC-users] why are full backups needed with BackupPC?

[Les M. <le...@fu...>]

On Sun, 2006-03-26 at 11:10, Dan Young wrote:
> >
> > Rsync will read everything at both ends during a full which
> > can be fairly slow, but only a small amount of bandwidth
> > is used for the comparison and otherwise only the changes
> > are sent.
> 
> Unless you turn on checksum caching, correct? Then the BackupPC side  
> will not recompute the checksums for files in the pool, except for at  
> some defined interval (randomly on 1% of the pool by default).

Yes, but the other end still has to read every file so it
is still a lot slower than it would be if it skipped files
when the timestamp and length are still the same.

-- 
  Les Mikesell
   le...@fu...