S3 Backup & Restore

Data Protection Strategies

Object Versioning

Multiple Versions

Keep multiple versions of same object

Version ID

Unique identifier for each version

Delete Protection

Protect against accidental deletion

Cross-Region Replication

Automatic Replication

Replicate objects to different regions

Disaster Recovery

Geographic redundancy

Compliance

Meet regulatory requirements

Backup Strategies

3-2-1 Rule

Industry standard backup strategy

  • • 3 copies of important data
  • • 2 different storage media
  • • 1 copy stored off-site

Incremental Backup

Only backup changed data

  • • Faster backup process
  • • Lower storage costs
  • • Use S3 versioning

Full Backup

Complete data backup

  • • Comprehensive protection
  • • Easier restore process
  • • Higher storage costs

Disaster Recovery

RTO & RPO

Recovery time and point objectives

Multi-Region

Geographic distribution

Automated Failover

Route 53 health checks

Restore Options

Point-in-Time

Restore to specific version

Selective Restore

Restore specific objects

Bulk Restore

Restore entire buckets

Backup Best Practices

Enable Versioning

Protect against overwrites

Test Restores

Regular restore testing

Monitor Replication

CloudWatch metrics

Document Procedures

Recovery runbooks

Backup & Restore Exam Tips

  • • Versioning must be enabled for cross-region replication
  • • MFA Delete provides additional protection for versioned objects
  • • Cross-region replication is asynchronous and near real-time
  • • Use lifecycle policies to manage version retention costs
  • • Test disaster recovery procedures regularly
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