Reliability

Features and best practices for reliable cluster operations

This section covers features and best practices for maintaining reliable EKS Anywhere cluster operations and upgrades.

Reliability Features

EKS Anywhere includes mechanisms to help ensure operational reliability:

  • Admission Webhook Protection: Prevents custom admission webhooks from interfering with system operations and cluster upgrades
  • Cluster Validation: Pre-flight checks identify potential issues before cluster creation or upgrades
  • Support Bundle Collection: Diagnostic data collection for troubleshooting

Best Practices

For reliable cluster operations:

  1. Enable admission webhook protection for production clusters
  2. Keep clusters up-to-date with the latest EKS Anywhere releases
  3. Monitor cluster health and resource utilization
  4. Test upgrades in non-production environments before production
  5. Maintain backup and disaster recovery procedures
Admission Webhook Protection

Preventing custom admission webhooks from interfering with cluster operations