All Kubernetes objects are stored on etcd. Periodically backing up the etcd cluster data is important to recover Kubernetes clusters under disaster scenarios, such as losing all control plane nodes. The snapshot file contains all the Kubernetes states and critical information. For more information see the official guide.
Prerequisites
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Within the cluster nodes that act only as etcd, the executable files are probably already present. If the files are not present in the etcd node or you want to use the client outside the etcd node/cluster, follow the steps below. |
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