[CentOS] Rsync and differential Backups

On 11/09/2015 09:59 AM, John R Pierce wrote:
> On 11/9/2015 9:50 AM, Gordon Messmer wrote:
>> I don't see the distinction you're making.
>
> a incremental backup copies everything since the last incremental
> a differential copies everything since the last full.

I guess that makes sense, but in backup systems based on rsync and hard 
links (such as rsnapshot), *every* backup on the backup volume is a 
"full" backup, so incremental and differential are the same thing.

> rsync is NOT a backup system, its just a incremental file copy

..which can be used as a component of a backup system, such as rsnapshot 
or backuppc.