Update nfs-pv.md

unixhot · Aug 27, 2019 · 32066a2 · 32066a2
1 parent e5a734f
commit 32066a2
Showing 1 changed file with 60 additions and 2 deletions.
diff --git a/docs/nfs-pv.md b/docs/nfs-pv.md
@@ -1,4 +1,6 @@
-1.安装并配置NFS
+# 使用NFS作为Kubernetes持久化存储PV/PVC
+
+## 1.安装并配置NFS
 ```
 [root@linux-node1 ~]# yum install -y nfs-utils rpcbind
 [root@linux-node1 ~]# mkdir -p /data/k8s-nfs
@@ -12,7 +14,7 @@
 [root@linux-node1 ~]# systemctl start rpcbind nfs
 ```
 
-2.创建PV
+## 2.创建PV
 ```
 [root@linux-node1 ~]# vim nfs-pv.yaml
 apiVersion: v1
@@ -38,3 +40,59 @@ persistentvolume "pv-demo" created
 NAME      CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM     STORAGECLASS   REASON    AGE
 pv-demo   1Gi        RWO            Recycle          Available             nfs                      15s
 ```
+
+## 3.创建PVC
+```
+[root@linux-node1 ~]# vim nfs-pvc.yaml
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: pvc-demo
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 1Gi
+  storageClassName: nfs
+
+
+[root@linux-node1 ~]# kubectl create -f nfs-pvc.yaml 
+persistentvolumeclaim "pvc-demo" created
+[root@linux-node1 ~]# kubectl get pvc
+NAME       STATUS    VOLUME    CAPACITY   ACCESS MODES   STORAGECLASS   AGE
+pvc-demo   Bound     pv-demo   1Gi        RWO            nfs            6s
+```
+
+## 4.使用PVC
+```
+[root@linux-node1 ~]# vim nginx-deployment-pvc.yaml
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+  labels:
+    app: nginx
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.13.12
+        ports:
+        - containerPort: 80
+        volumeMounts:
+        - mountPath: "/usr/share/nginx/html"
+          name: pvc-demo
+      volumes:
+      - name: pvc-demo
+        persistentVolumeClaim:
+          claimName: pvc-demo
+```