Node NotReady Issues In Kubernetes Cluster
Node in NotReady state due to resource insufficiency, kubelet problems, networking issues or control plane connectivity issues. Debug with `kubectl describe`, `systemctl status` & `journalctl` logs. Cordon and drain nodes for maintenance.
1. Node 1.1 Node NotReady A Kubernetes cluster node being in the NotReady state can result from various issues. Here are some realistic and common reasons: 1. Node Resource Issues Insufficient Memory or CPU: If the node is running out of memory or CPU resources, the kubelet may mark the node as NotReady. Disk Pressure: The node's disk usage may be too high, causing the kubelet to mark it as NotReady. Example: kubectl describe node <node-name> shows DiskPressure under conditions. Network Pressure: High network latency or dropped packets may cause readiness issues....