The roules can be changed to:
1. keep all snapshots for today an yesterday
2. keep one snapshot per day for the rest or this week and last week
3. keep one snapshot per week for 2 & 3 weeks ago
4. keep one snapshot per month for all the month of this and last year
5. keep one snapshot per year for all years
The roules can be changed to:
1. keep all snapshots for today an yesterday
2. keep one snapshot per day for the rest or this week and last week
3. keep one snapshot per week for 2 & 3 weeks ago
4. keep one snapshot per month for all the month of this and last year
5. keep one snapshot per year for all years