Tyler J. Wagner wrote:
> Everyone,
> 
> I'm trying to understand exactly what happens in a Full backup.  Given the 
> following:
> 
> 1. I have enabled checksum caching.
> 
> 2. A client PC has previous Full backups.
> 
> 3. A Full backup for this client runs.
> 
> In this situation, are files that already exist in the pool copied over the 
> network to the BackupPC server?  For these files, does the client only 
> calculate checksums and then stop, or does it copy them back to the server 
> and 
> the server throws them away?
> 
> I'm pretty sure it is the former, but I'd appreciate confirmation.

With rsync/rsyncd xfers, only the checksum calculation and differences 
are transferred.  With tar/smb the whole file would be transferred, then 
matching content would be discarded.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com


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