Introduction
Cloud server backups are essential for protecting your applications, data, and infrastructure from unexpected failures. A well-designed backup strategy ensures that you can recover quickly from hardware issues, human errors, or security incidents when running workloads on Raff infrastructure.
A cloud backup strategy is a structured approach to storing and restoring data using defined recovery objectives. The two key metrics are Recovery Point Objective (RPO) and Recovery Time Objective (RTO), which determine how often backups occur and how quickly systems must be restored.
In this guide, you will learn how backup strategies work, how to define RPO and RTO, when to use snapshots versus backups, and how to design a reliable recovery plan for production environments.
Understanding RPO and RTO
RPO and RTO form the foundation of any cloud backup strategy.
Recovery Point Objective (RPO)
RPO defines how much data loss you can tolerate, measured in time.
- A 24-hour RPO means you can lose up to one day of data
- A 1-hour RPO means backups must occur at least every hour
Lower RPO values require more frequent backups.
Recovery Time Objective (RTO)
RTO defines how quickly your system must be restored.
- Low RTO → Fast recovery systems
- High RTO → Slower recovery acceptable
Backup vs Snapshots
| Feature | Backups | Snapshots |
|---|---|---|
| Purpose | Long-term protection | Quick recovery |
| Speed | Slower | Fast |
| Storage | Independent | Same storage |
Tip
Combine both methods for reliability.
Backup Strategies
Full Backups
Complete data copy with simple restore.
Incremental Backups
Stores only changes to reduce storage usage.
Snapshot-Based Strategy
Fast recovery but should be combined with backups.
Best Practices
- Define RPO and RTO clearly
- Automate backups
- Combine backups and snapshots
- Store backups separately
- Test restore processes
Warning
Untested backups are unreliable.
Raff-Specific Context
Raff provides built-in data protection services including automated backups and snapshots. Combined with Linux virtual machines, you can design flexible and cost-efficient recovery strategies.
Conclusion
A strong backup strategy ensures business continuity. By combining backups and snapshots and defining recovery objectives, you can build a resilient system.
Next steps:
- Learn how to choose the right VM size: Choosing the right VM size
- Explore private networking concepts: Private networking in cloud