What is Backup Strategy
Plan for backup creation and storage
Backup Strategy
Backup Strategy — a comprehensive plan for creating, storing, and restoring data backups to ensure business continuity.
The 3-2-1 Rule
| Element | Description | |---------|-------------| | 3 copies | Original + 2 backup copies | | 2 media | Different storage types (disk + cloud) | | 1 offsite | One copy in different location |
Backup Types
- Full — copying all data
- Incremental — only changes since last backup
- Differential — changes since last full backup
- Mirror — exact real-time copy
Key Metrics
| Metric | Description | |--------|-------------| | RPO | Recovery Point Objective — acceptable data loss | | RTO | Recovery Time Objective — recovery time | | Retention | Backup storage duration |
Strategy Components
- Backup schedule
- Retention policy
- Data encryption
- Recovery testing
- Monitoring and alerts
- Procedure documentation
Tools
- Veeam — enterprise solutions
- Acronis — hybrid backups
- AWS Backup — cloud backup
- Restic — open-source solution