[CentOS] Rsync and differential Backups

Tue Nov 10 15:46:25 UTC 2015
Gordon Messmer <gordon.messmer at gmail.com>

On 11/09/2015 09:22 PM, Arun Khan wrote:
> You can use "newer" options of the find command and pass the file list
> to rsync or scp to "backup" only those files that have changed since
> the last run.  You can keep a file like .lastbackup and timestamp it
> (touch) at the start of the backup process.  Next backup you compare
> the current timestamp with the timestamp on this file.

Absolutely none of that is necessary with rsync, and the process you 
described is likely to miss files that are modified while "find" runs.

If you're going to use rsync to make backups, just use a frontend like 
rsnapshot or backuppc.