fix some unsatisfied. (#8746)

* fix some unsatisfied.

* fix

* add mysql-pv.yaml for run-single-instance-stateful-application

* fix some errors.

content/en/docs/tasks/run-application/run-single-instance-stateful-application.md

@@ -49,14 +49,19 @@ Note: The password is defined in the config yaml, and this is insecure. See
 for a secure solution.
 
 {{< code file="mysql-deployment.yaml" >}}
+{{< code file="mysql-pv.yaml" >}}
+
+1. Deploy the PV and PVC of the YAML file:
+
+        kubectl create -f https://k8s.io/docs/tasks/run-application/mysql-pv.yaml
 
 1. Deploy the contents of the YAML file:
 
-       kubectl create -f https://k8s.io/docs/tasks/run-application/mysql-deployment.yaml
+        kubectl create -f https://k8s.io/docs/tasks/run-application/mysql-deployment.yaml
 
 1. Display information about the Deployment:
 
-       kubectl describe deployment mysql
+        kubectl describe deployment mysql
 
         Name:                 mysql
         Namespace:            default
@@ -96,14 +101,14 @@ for a secure solution.
 
 1. List the pods created by the Deployment:
 
-       kubectl get pods -l app=mysql
+        kubectl get pods -l app=mysql
 
         NAME                   READY     STATUS    RESTARTS   AGE
         mysql-63082529-2z3ki   1/1       Running   0          3m
 
 1. Inspect the PersistentVolumeClaim:
 
-       kubectl describe pvc mysql-pv-claim
+        kubectl describe pvc mysql-pv-claim
 
         Name:         mysql-pv-claim
         Namespace:    default
@@ -165,6 +170,7 @@ Delete the deployed objects by name:
 ```
 kubectl delete deployment,svc mysql
 kubectl delete pvc mysql-pv-claim
+kubectl delete pv mysql-pv-volume
 ```
 
 If you manually provisioned a PersistentVolume, you also need to manually