You can upgrade a cluster after you receive a notification on Platform9 Clarity UI about the availability of an upgrade for the cluster. The notification is generally displayed when the control plane is upgraded by Platform9.
Make sure to back up any important components, such as app-level state stored in a database. kubeadm upgrade does not touch your workloads, only components internal to Kubernetes, but backups are always a best practice.
You must be an administrator to perform this operation.
Follow the steps given below to upgrade a cluster.
- Navigate to Infrastructure>Clusters.
- Select a cluster.
- Click Upgrade seen above the list of clusters.
The cluster is upgraded.
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