Daily RDS backups are required.
Meet recovery requirements but avoid keeping unnecessary backups indefinitely.
Which policy is most appropriate?
Set automated-backup retention and snapshots according to RPO, recovery, and audit requirements rather than keeping every backup forever.
Detailed explanation
Retention beyond the requirement increases storage cost without a corresponding recovery need.
Retention beyond the requirement increases storage cost without a corresponding recovery need.
Removing backups breaks protection against failure and operator error.
Removing backups breaks protection against failure and operator error.
A password is not a database backup and would be an insecure secret.
A password is not a database backup and would be an insecure secret.
The policy keeps required recovery points while removing unnecessary long-term storage.
The policy keeps required recovery points while removing unnecessary long-term storage.
Check official documentation
Compare the following points with the official documentation.
Amazon RDSの自動バックアップと保持期間の公式説明を確認する。
What to confirm
復旧要件とバックアップ保持費を同時に考慮できる。
Key points
- RDS automated backup
- Retention period
- Snapshot
Notes
- Environment: AWS公式RDSドキュメントの確認
- Confirm current AWS pricing and service behavior in the official documentation.
Foundation review
Recovery-cost balance
Retention should preserve the required recovery window while avoiding unnecessary storage.
Protection versus cost
Disabling backups saves storage only by removing the recovery capability, which violates the requirement.