hello and thanks for your reply :) well, does "delta" keeps my backup for 10 years? thanks
# Daily at 01:00 am 00 01 * * * root /usr/bin/rsnapshot alpha
# Weekly on every Monday at 03:30 am 30 3 * * 1 root /usr/bin/rsnapshot beta
# Monthly on every first day of the month at 03:00 am 0 3 1 * * root /usr/bin/rsnapshot gamma
# Yearly on January 1st at 02:30 30 2 1 1 * root /usr/bin/rsnapshot delta
-- Pol