# REL12-BP01: Use playbooks to investigate failures

## Description

Create playbooks để guide failure investigation.

## Implementation Guidance

- Document investigation steps
- Include diagnostic commands
- Define escalation paths
- Link to relevant dashboards
- Keep playbooks updated

## Risk Level

Medium - Ad-hoc investigation wastes time.

## Related Best Practices

- [REL12-BP02](REL12-BP02-Post-Incident-Analysis.md)
- [REL08-BP01](../REL08-Change-Change-Management/REL08-BP01-Use-Runbooks.md)
