TopicBackup & PRA →
Simple definition
A retention strategy that maintains weekly, monthly and annual points.
Technical definition
Grand Forest-Father-Son combines different conservation frequencies to keep long history without keeping every point daily.
What is it used for ?
Addressing long-term retention needs.
Practical example
A plan can keep 4 weekly, 12 monthly and 7 annual.
Common issues
- Undersized retention
- Poorly estimated storage capacity
- Confusion between GFS and regulatory archive
Related terms
Key takeaway: Exact behavior and commands may vary depending on versions, products and architectures.