Removing Node From Cluster in Rancher
Learn how to remove node from cluster in Rancher.
Removing a node from a cluster in Rancher can be a straightforward process if done correctly. Rancher is a popular open-source platform for managing containers and Kubernetes clusters.
There are two ways to remove a node from a Rancher cluster:
1) Removing a node through the Rancher UI:
Log in to the Rancher UI.
Select the cluster that contains the node you want to remove.
Click on the "Nodes" tab.
Find the node you want to remove and click on it.
In the "Node Details" page, click on the "Actions" button.
Select "Drain Node" from the drop-down menu.
Follow the instructions to drain the node, which involves evacuating the workloads from the node and removing it from the cluster.
Once the node has been drained, click on the "Delete" button in the "Node Details" page.
Confirm the deletion of the node.
2) Removing a node through the Rancher CLI:
Log in to the Rancher CLI.
Run the following command to drain the node:
In CSS
rancher node drain [node-name]
Run the following command to delete the node:
In BASH
rancher node rm [node-name]
It's important to note that removing a node from a Rancher cluster can impact the availability of the workloads running on that node. Before removing a node, it's recommended to make sure that the workloads have been successfully evacuated and that the cluster has enough resources to accommodate the remaining nodes.
In conclusion, removing a node from a Rancher cluster can be done through the UI or the CLI, and it's important to follow the proper steps to ensure a smooth process and minimize the impact on the workloads.
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