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Incident Corrective Actions Example

  1. Immediate Mitigation:
    • Configuration Rollback: The misconfigured load balancer was rolled back to the previous, stable configuration to restore service availability and performance.
    • System Health Checks: Comprehensive system health checks and performance monitoring were conducted to ensure that all services were functioning normally before declaring the incident resolved.
  2. Short-Term Actions:
    • Configuration Validation: Implement a validation script to check for common configuration errors before deploying load balancer changes.
    • Monitoring Enhancements: Update monitoring thresholds to trigger high-priority alerts for significant performance degradation. Implement additional metrics to monitor traffic distribution and load balancer health in real-time.
    • Incident Runbook Update: Update the incident response runbook to include specific steps for troubleshooting and resolving load balancer-related issues quickly.
  3. Long-Term Preventative Measures:
    • Pre-Deployment Testing Improvements: Establish a more robust testing environment that accurately simulates production traffic patterns. Require all configuration changes to be tested in this environment before deployment.
    • Automated Deployment Safeguards: Develop automated safeguards that can detect and revert problematic configuration changes during deployment.
    • System Redundancy Enhancements: Evaluate and improve the system architecture by adding redundancy and failover mechanisms to minimize the impact of future traffic routing failures.
    • Change Management Process: Revise the change management process to include mandatory peer reviews and sign-offs for critical configuration changes.
  4. Training and Awareness:
    • Team Training: Conduct training sessions for engineering teams on best practices for configuration management and the importance of thorough testing.
    • Incident Review Workshop: Hold a post-incident review workshop to share lessons learned, discuss contributing factors, and gather input on further preventive measures.
  5. Documentation and Regular Reviews:
    • Accessible Documentation: Ensure all corrective actions, updated processes, and incident insights are documented and made accessible to relevant teams in a centralized knowledge base.
    • Periodic Review: Schedule regular reviews of incident documentation and preventive measures to incorporate new learnings and adapt to evolving system requirements.
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