add some step (#9743)

* modify shell

* Please remove the -y for apt-get install

content/en/docs/tasks/configure-pod-container/configure-volume-storage.md

@@ -115,6 +115,17 @@ of `Always`.
     ```
 
 1. In your shell, goto `/data/redis`, and verify that `test-file` is still there.
+    ```shell
+    root@redis:/data/redis# cd /data/redis/
+    root@redis:/data/redis# ls
+    test-file
+    ```
+
+1. Delete the Pod that you created for this exercise:
+
+    ```shell
+    kubectl delete pod redis
+    ```
 
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