How To Remove Node Frocefully From Kubernetes Cluster
In the first place it is not an good practice to remove or delete the node from the kubernetes cluster it will effect the entire cluster working try to avoid this as much as possible. following are the steps to remove the node forcefully from the kubernetes cluster.
Step 1: list all the nodes available in the kubernetes cluster you use the command mentioned.
kubectl get nodes
Step 2: Before removing or deleting the node you should make the unscheduled the node to prevent new pods from being scheduled on it. For that you can use the “kubectl cordon”
kubectl cordon <node-name>
Step 3: The next step is to remove every pod that is currently on the node. This guarantees that the removal of the node won’t impact any ongoing workloads. Utilize the subsequent command to empty the node:
kubectl drain <node-name> --force --ignore-daemonsets
put the name of the node you wish to remove in place of <node-name>.
- –force: If the pods are not ending gracefully, this flag makes sure they are removed with force.
- –ignore-daemonsets: DaemonSet-managed pods, which are typically essential system components, are disregarded by this flag.
Step 4: After following all the steps mentioned above you can remove you node safely.
kubectl delete node <node-name>
How to Gracefully Remove a Node from Kubernetes?
Maintaining your nodes in peak condition is part of managing a Kubernetes cluster. However, a node may occasionally need to be taken offline for decommissioning, maintenance, or upgrades. This is where a gentle removal becomes useful, guaranteeing a seamless transfer without interfering with your active apps.