Rsnapshot installed...nothing is happening...

After reading the documentation, especially http://www.rsnapshot.org/howto/1.2/rsnapshot-HOWTO.en.pdf, things are a little bit clearer...
Executing rsnapshot configtest will tell you if there's any syntax error in the rsnapshot.conf file.

Executing rsnapshot -t hourly will tell rsnapshot to simulate an "hourly" backup. It should print out the commands it will perform when it runs for real (note that the test doesn't actually do things).

Under etc/cron.d/ you will find the rsnapshot file that contains :

0 */4   * * *   root     /c/addons-config/rsnapshot/hourly.sh
30 23   * * *   root     /c/addons-config/rsnapshot/daily.sh
0  3    * * 1   root     /c/addons-config/rsnapshot/weekly.sh
30 2    1 * *   root     /c/addons-config/rsnapshot/monthly.sh

If you have setup alerts (from Frontview, System settings) you will receive a mail like the following :

ERRORS

/etc NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
NO STATS DATA
require Lchown
Lchown module loaded successfully
/usr/bin/du -csh /USB_FLASH_2/hourly.0/

5.0M /USB_FLASH_2/hourly.0/
5.0M total

The next step I would like to setup is :
to backup entire folders like the etc one once a month.
to backup single files daily or weekly.