How to fix Kubelet image GC failed in Kubernetes

KubernetesINTERMEDIATEMEDIUM

This error occurs when the kubelet garbage collection of container images fails, typically due to disk space or permission issues.

What this error means

The "Kubelet image GC failed" error indicates that the kubelet cannot clean up unused container images.

1Check disk space

df -h /var/lib/kubelet

2Check kubelet logs

journalctl -u kubelet | grep -i gc

3Manually clean images

crictl rmi --prune

4Check permissions

ls -la /var/lib/kubelet/containers

Configure GC policy

Default GC triggers at 85% disk usage, cleans until 80%. Adjust thresholds as needed.