# PERF03-BP05: Ensure availability and durability requirements are met

## Description

Configure replication và backup cho data durability.

## Implementation Guidance

- Configure appropriate replication
- Implement regular backups
- Test restoration procedures
- Use multi-region for critical data
- Define retention policies

## Risk Level

High - Data loss has severe business impact.

## Related Best Practices

- [PERF03-BP04](PERF03-BP04-Select-Storage-Options.md)
- [REL09-BP04](../../03-REL/REL09-Failure-Data-Backup/REL09-BP04-Implement-Backup-Strategy.md)
