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Configuring StorageClass

Prerequisites

  1. Kubernetes 1.13+ (CSI 1.0).
  2. The aws-ebs-csi-driver installed.

Usage

This example shows you how to write to a dynamically provisioned EBS volume with a specified configuration in the StorageClass resource.

  1. Modify the StorageClass resource in storageclass.yaml as desired. For a list of supported parameters consult the Kubernetes documentation on Storage Classes.

  2. Deploy the provided pod on your cluster along with the StorageClass and PersistentVolumeClaim:

    $ kubectl apply -f manifests

persistentvolumeclaim/ebs-claim created
pod/app created
storageclass.storage.k8s.io/ebs-sc created

  3. Validate the PersistentVolumeClaim is bound to your PersistentVolume.

    $ kubectl get pvc ebs-claim

NAME        STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE
ebs-claim   Bound    pvc-1fb712f2-632d-4b63-92e4-3b773d698ae1   4Gi        RWO            ebs-sc         17s

  4. Validate the pod successfully wrote data to the dynamically provisioned volume:

    $ kubectl exec app -- cat /data/out.txt

Wed Feb 23 19:56:12 UTC 2022
...

  5. Cleanup resources:

    $ kubectl delete -f manifests

persistentvolumeclaim "ebs-claim" deleted
pod "app" deleted
storageclass.storage.k8s.io "ebs-sc" deleted