{"id":1300,"date":"2022-04-09T14:59:33","date_gmt":"2022-04-09T06:59:33","guid":{"rendered":"https:\/\/www.buyao007.icu\/?p=1300"},"modified":"2022-04-25T10:38:49","modified_gmt":"2022-04-25T02:38:49","slug":"5-k8s%e7%9a%84%e6%95%b0%e6%8d%ae%e6%8c%81%e4%b9%85%e5%8c%96%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"https:\/\/www.buyao007.icu\/?p=1300","title":{"rendered":"5.k8s\u7684\u6570\u636e\u6301\u4e45\u5316\u5b58\u50a8"},"content":{"rendered":"\n<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6\u7fa4\u67b6\u6784\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\uff0c\u66fe\u8d1f\u8d23\u56fd\u5185\u67d0\u5927\u578b\u535a\u5ba2\u7f51\u7ad9\u8fd0\u7ef4\u5de5\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">1.\u4e3a\u4ec0\u4e48\u9700\u8981\u6301\u4e45\u5316<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e4b\u524d\u8bb2\u5230\u7684\u90e8\u7f72wordpress\uff0c\u5f53\u6211\u4eec\u5220\u9664\u4e86\u6570\u636e\u5e93\u7684\u5bb9\u5668\u540e\uff0c\u518d\u6b21\u8bbf\u95ee\u90e8\u7f72\u7684wordpress\u53d1\u73b0\uff0c\u9700\u8981\u4ece\u5934\u518d\u5b89\u88c5\u4e00\u904d\uff0c\u8fd9\u662f\u56e0\u4e3a\u6570\u636e\u5e93\u5bb9\u5668\u7684\u6570\u636e\u88ab\u5220\u9664\u4e86\n\u4e3a\u4e86\u89e3\u51b3\u5bb9\u5668\u88ab\u5220\u9664\u540e\u6570\u636e\u4e0d\u4e22\u5931\uff0c\u5219\u5f15\u5165\u4e86\u5b58\u50a8\u7c7b\u578b\uff0c\u7c7b\u4f3c\u4e8edocker\u4e2d\u7684\u6570\u636e\u5377\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">2.\u6570\u636e\u5377\u6982\u8ff0<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\u6570\u636e\u5377:<\/strong>\n(1)kubernetes\u4e2d\u7684Volume\u63d0\u4f9b\u4e86\u5728\u5bb9\u5668\u4e2d\u6302\u8f7d\u5916\u90e8\u5b58\u50a8\u7684\u80fd\u529b;\n(2)Pod\u9700\u8981\u8bbe\u7f6e\u5377\u6765\u6e90(po.spec.volumes)\u548c\u6302\u8f7d\u70b9(po.spec.containers.volumeMounts)\u4e24\u4e2a\u4fe1\u606f\u540e\u624d\u53ef\u4ee5\u4f7f\u7528\u76f8\u5e94\u7684volume;\n<strong>\u6570\u636e\u5377\u7c7b\u578b\u5927\u81f4\u5206\u7c7b:<\/strong>\n\u672c\u5730\u6570\u636e\u5377:hostPath\uff0cemptyDir\u7b49\u3002\n\u7f51\u7edc\u6570\u636e\u5377:NFS\uff0cCeph\uff0cGlusterFS\u7b49\u3002\n\u516c\u6709\u4e91:AWS,EBS\u7b49;\nK8S\u8d44\u6e90:configmap\uff0csecret\u7b49\u3002\n\u9664\u4e86\u4e0a\u8ff0\u63d0\u5230\u7684\u6570\u636e\u7c7b\u578b\u5206\u7c7b\uff0c\u4f46\u5b98\u65b9\u6587\u6863\u5374\u8981\u6bd4\u4e0a\u8ff0\u63cf\u8ff0\u7684\u6570\u636e\u5377\u7c7b\u578b\u591a\u5f97\u591a\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002\n\u63a8\u8350\u9605\u8bfb:https:\/\/kubernetes.io\/zh\/docs\/concepts\/storage\/volumes\/\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">3.emptyDir\u5b58\u50a8\u7c7b\u578b\uff08\u591a\u4e2aPod\u4e0d\u80fd\u4f7f\u7528\u8be5\u7c7b\u578b\u8fdb\u884c\u6570\u636e\u5171\u4eab\uff0c\u4f46\u540c\u4e00\u4e2aPod\u7684\u591a\u4e2a\u5bb9\u5668\u53ef\u4ee5\u57fa\u4e8e\u8be5\u7c7b\u578b\u8fdb\u884c\u6570\u636e\u5171\u4eab\uff09<\/h2>\n\n\n\n<p><strong><em>1.emptyDir\u6982\u8ff0<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>emptyDir\u6570\u636e\u5377:<\/strong>\n\u662f\u4e00\u4e2a\u4e34\u65f6\u5b58\u50a8\u5377\uff0c\u4e0ePod\u751f\u547d\u5468\u671f\u7ed1\u5b9a\u5728\u4e00\u8d77\uff0c\u5982\u679cPod\u5220\u9664\u4e86\uff0c\u8fd9\u610f\u5473\u7740\u6570\u636e\u5377\u4e5f\u4f1a\u88ab\u5220\u9664\u3002\n<strong>emptyDir\u7684\u4f5c\u7528\uff1a<\/strong>\n(1)\u53ef\u4ee5\u5b9e\u73b0\u6301\u4e45\u5316\u7684\u529f\u80fd;\n(2)\u591a\u4e2aPod\u4e4b\u95f4\u4e0d\u80fd\u901a\u4fe1\u6570\u636e\uff0c\u4f46\u662f\u540c\u4e00\u4e2aPod\u7684\u591a\u4e2a\u5bb9\u5668\u662f\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u5171\u4eab\u7684;\n(3)\u968f\u7740Pod\u7684\u751f\u547d\u5468\u671f\u800c\u5b58\u5728\uff0c\u5f53\u6211\u4eec\u5220\u9664Pod\u65f6\uff0c\u5176\u6570\u636e\u4e5f\u4f1a\u88ab\u968f\u4e4b\u5220\u9664\u3002\n<strong>emptyDir\u7684\u5e94\u7528\u573a\u666f<\/strong>(\u540c\u4e00\u4e2aPod\u4e2d\u5404\u4e2a\u5bb9\u5668\u4e4b\u95f4\u6570\u636e\u7684\u5171\u4eab):\n(1)\u7f13\u5b58\u7a7a\u95f4\uff0c\u4f8b\u5982\u57fa\u4e8e\u78c1\u76d8\u7684\u5f52\u5e76\u6392\u5e8f;\n(2)\u4e3a\u8017\u65f6\u8f83\u957f\u7684\u8ba1\u7b97\u4efb\u52a1\u63d0\u4f9b\u68c0\u67e5\u70b9\uff0c\u4ee5\uf965\u4efb\u52a1\u80fd\u65b9\uf965\u5730\u4ece\u5d29\u6e83\u524d\u72b6\u6001\u6062\u590d\u6267\ufa08;\n(3)\u5b58\u50a8Web\u670d\u52a1\u5668\u7684\u8bbf\u95ee\u65e5\u5fd7\u53ca\u9519\u8bef\u65e5\u5fd7\u7b49\u4fe1\u606f;\n\u63a8\u8350\u9605\u8bfb:https:\/\/kubernetes.io\/docs\/concepts\/storage\/volumes\/#emptydir\n\u6e29\u99a8\u63d0\u793a:\n\u4f7f\u7528emptyDir\u6301\u4e45\u5316\u6570\u636e\u65f6\uff0c\u5220\u9664\u5bb9\u5668\u5e76\u4e0d\u4f1a\u5220\u9664\u6570\u636e\uff0c\u56e0\u4e3a\u5bb9\u5668\u5220\u9664\u5e76\u4e0d\u80fd\u8bf4\u660ePod\u88ab\u5220\u9664\u54df\n<\/code><\/pre>\n\n\n\n<p><strong><em>2.\u4fee\u6539deployment\u8d44\u6e90\u5e76\u4f7f\u7528emptyDir<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master chijiuhua]# cat deploy-emptyDir.yaml \napiVersion: extensions\/v1beta1\nkind: Deployment\nmetadata:\n  name: mysql\n  namespace: kube-system\nspec:\n  replicas: 1\n  template:\n    metadata:\n      labels:\n        app: mysql\n    spec:\n      volumes:\n      - name: data\n        emptyDir: {}  # \u6211\u4eec\u65e0\u9700\u4e3aemptyDir\u6307\u5b9a\u4efb\u4f55\u53c2\u6570\uff0c\u901a\u5e38\u5199\u4e2a\"{}\"\u5373\u53ef\uff0c\u8868\u793a\u521b\u5efa\u7684\u662f\u4e00\u4e2a\u7a7a\u76ee\u5f55\u3002\n      containers:\n      - name: mysql\n        volumeMounts:\n        - name: data  # \u6ce8\u610f\u54c8\uff0c\u8be5\u540d\u79f0\u5fc5\u987b\u5728\u4e0a\u9762\u7684\"volumes\"\u7684name\u5b57\u6bb5\u4e2d\u5b58\u5728\u54df~\n          mountPath: \/var\/lib\/mysql  # \u6307\u5b9a\u6302\u8f7d\u5230\u5bb9\u5668\u7684\u4f4d\u7f6e\n        image: k8s-master:5000\/mysql:5.7\n        ports:\n        - containerPort: 3306\n        env:\n        - name: MYSQL_ROOT_PASSWORD\n          value: somewordpress\n        - name: MYSQL_DATABASE\n          value: wordpress\n        - name: MYSQL_USER\n          value: wordpress\n        - name: MYSQL_PASSWORD\n          value: wordpress\n---\n\napiVersion: v1\nkind: Service   #\u7b80\u79f0svc\nmetadata:\n  name: musql-svc\n  namespace: kube-system\nspec:\n  clusterIP: 10.254.86.101\n  type: ClusterIP\n  ports:\n    - port: 3306\n      targetPort: 3306    #pod port\n  selector:\n    app: mysql\n\n---\napiVersion: extensions\/v1beta1\nkind: Deployment\nmetadata:\n  name: wordpress\nspec:\n  replicas: 1\n  template:\n    metadata:\n      labels:\n        app: wordpress\n    spec:\n      containers:\n      - name: wordpress\n        image: k8s-master:5000\/wordpress:latest\n        ports:\n        - containerPort: 80\n        env:\n        - name: WORDPRESS_DB_HOST\n          value: musql-svc.kube-system.svc.cluster.local\n        - name: WORDPRESS_DB_USER\n          value: wordpress\n        - name: WORDPRESS_DB_PASSWORD\n          value: wordpress\n---\n\napiVersion: v1\nkind: Service   #\u7b80\u79f0svc\nmetadata:\n  name: wordpress-svc\nspec: \n  type: NodePort\n  ports:\n    - port: 80\n      nodePort: 31001\n      targetPort: 80   #pod port\n  selector:\n    app: wordpress\n&#91;root@k8s-master chijiuhua]# kubectl apply -f deploy-emptyDir.yaml\n###\u505c\u6b62\u5bb9\u5668\u518d\u6b21\u8bbf\u95eeweb\u9875\u9762\u53d1\u73b0\u6570\u636e\u8fd8\u5728\uff0c\u4e0d\u9700\u8981\u91cd\u65b0\u5b89\u88c5wordpress\n&#91;root@k8s-node-2 ~]# docker container stop k8s_mysql.78d4a503_mysql-2682814966-ldbkh_kube-system_4080198f-ba28-11ec-a005-000c2946ccb6_33371b35\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">4.HostPath\u5b58\u50a8\u7c7b\u578b\uff08\u53ef\u4ee5\u89e3\u51b3\u540c\u4e00\u4e2aNode\u8282\u70b9\u7684\u591a\u4e2aPod\u6570\u636e\u5171\u4eab\uff0c\u4f46\u591a\u4e2aPod\u4e0d\u5728\u540c\u4e00\u4e2aNode\u8282\u70b9\u65f6\u5219\u65e0\u6cd5\u901a\u8fc7HostPath\u6765\u67e5\u627e\u6570\u636e\uff09<\/h2>\n\n\n\n<p><strong><em>1.hostPath\u6570\u636e\u5377\u6982\u8ff0<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>hotsPath\u6570\u636e\u5377:\n\u6302\u8f7dNode\u6587\u4ef6\u7cfb\u7edf(Pod\u6240\u5728\u8282\u70b9)\u4e0a\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u5230Pod\u4e2d\u7684\u5bb9\u5668\u3002\n\u5982\u679cPod\u5220\u9664\u4e86\uff0c\u5bbf\u4e3b\u673a\u7684\u6570\u636e\u5e76\u4e0d\u4f1a\u88ab\u5220\u9664\uff0c\u8fd9\u4e00\u70b9\u662f\u5426\u611f\u89c9\u548c\u54b1\u4eec\u7684\u6570\u636e\u5377\u6709\u5f02\u66f2\u540c\u5de5\u4e4b\u5999\u5462\uff1f\n\u5e94\u7528\u573a\u666f:\nPod\u4e2d\u5bb9\u5668\u9700\u8981\u8bbf\u95ee\u5bbf\u4e3b\u673a\u6587\u4ef6\u3002\n\u63a8\u8350\u9605\u8bfb:https:\/\/kubernetes.io\/docs\/concepts\/storage\/volumes\/#hostpath\n<\/code><\/pre>\n\n\n\n<p><strong><em>2.\u4fee\u6539deployment\u8d44\u6e90\u5e76\u4f7f\u7528hostPath<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master chijiuhua]# cat deploy-mysql-hostPath.yaml \napiVersion: extensions\/v1beta1\nkind: Deployment\nmetadata:\n  name: mysql\n  namespace: kube-system\nspec:\n  replicas: 1\n  template:\n    metadata:\n      labels:\n        app: mysql\n    spec:\n      volumes:\n      - name: data\n        hostPath: ###\u6307\u5b9a\u6301\u4e45\u5316\u7c7b\u578b\u4e3ahostPath\n          path: \/data\/mysql\n      - name: log\n        emptyDir: {}\n      containers:\n      - name: mysql\n        volumeMounts:\n        - name: data  # \u6ce8\u610f\u54c8\uff0c\u8be5\u540d\u79f0\u5fc5\u987b\u5728\u4e0a\u9762\u7684\"volumes\"\u7684name\u5b57\u6bb5\u4e2d\u5b58\u5728\u54df~\n          mountPath: \/var\/lib\/mysql  # \u6307\u5b9a\u6302\u8f7d\u5230\u5bb9\u5668\u7684\u4f4d\u7f6e\n        image: k8s-master:5000\/mysql:5.7\n        ports:\n        - containerPort: 3306\n        env:\n        - name: MYSQL_ROOT_PASSWORD\n          value: somewordpress\n        - name: MYSQL_DATABASE\n          value: wordpress\n        - name: MYSQL_USER\n          value: wordpress\n        - name: MYSQL_PASSWORD\n          value: wordpress\n&#91;root@k8s-master chijiuhua]# kubectl apply -f deploy-mysql-hostPath.yaml\n\u53ef\u4ee5\u770b\u5230\u6570\u636e\u76ee\u5f55\u88ab\u81ea\u52a8\u521b\u5efa\u51fa\u6765\u5e76\u6301\u4e45\u5316\u4e86\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"316\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-52.png\" alt=\"\" class=\"wp-image-1305\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-52.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-52-300x110.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-52-768x281.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">5.NFS\u5b58\u50a8\u7c7b\u578b\uff08\u9002\u5408\u4e0d\u540c\u7684node\u8282\u70b9\u7684Pod\u5171\u4eab\u5b58\u50a8\uff0c\u4f46\u5b58\u5728\u5355\u70b9\u6545\u969c\uff09<\/h2>\n\n\n\n<p><strong><em>1.NFS\u6570\u636e\u5377\u6982\u8ff0<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>NFS\u6570\u636e\u5377:<\/strong>\n\u63d0\u4f9b\u5bf9NFS\u6302\u8f7d\u652f\u6301\uff0c\u53ef\u4ee5\u81ea\u52a8\u5c06NFS\u5171\u4eab\u8def\u5f84\u6302\u8f7d\u5230Pod\u4e2d\u3002\n<strong>NFS:<\/strong>\n\u82f1\u6587\u5168\u79f0\u4e3a\"Network File System\"(\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf)\uff0c\u662f\u7531SUN\u516c\u53f8\u7814\u5236\u7684UNIX\u8868\u793a\u5c42\u534f\u8bae(presentation layer protocol)\uff0c\u80fd\u4f7f\u4f7f\u7528\u8005\u8bbf\u95ee\u7f51\u7edc\u4e0a\u522b\u5904\u7684\u6587\u4ef6\u5c31\u50cf\u5728\u4f7f\u7528\u81ea\u5df1\u7684\u8ba1\u7b97\u673a\u4e00\u6837\u3002\nNFS\u662f\u4e00\u4e2a\u4e3b\u6d41\u7684\u6587\u4ef6\u5171\u4eab\u670d\u52a1\u5668\uff0c\u4f46\u5b58\u5728\u5355\u70b9\u6545\u969c\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u5907\u4efd\u54df\uff0c\u5982\u679c\u6709\u5fc5\u8981\u53ef\u4ee5\u4f7f\u7528\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u54c8\u3002\n\u63a8\u8350\u9605\u8bfb:https:\/\/kubernetes.io\/docs\/concepts\/storage\/volumes\/#nfs\n<\/code><\/pre>\n\n\n\n<p><strong><em>2.master\u8282\u70b9\u642d\u5efaNFS\u670d\u52a1<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master ~]# yum -y install nfs-utils\n&#91;root@k8s-master ~]# cat \/etc\/exports\n\/data\/kubernetes *(rw,no_root_squash)\n&#91;root@k8s-master ~]# mkdir -p \/data\/kubernetes\n&#91;root@k8s-master ~]# systemctl start nfs  &amp;&amp; systemctl enable nfs\n&#91;root@k8s-node-1 ~]# yum -y install nfs-utils.x86_64\n&#91;root@k8s-node-2 ~]# yum -y install nfs-utils.x86_64\n<\/code><\/pre>\n\n\n\n<p><strong><em>3.\u4fee\u6539deployment\u8d44\u6e90\u5e76\u4f7f\u7528NFS\u670d\u52a1<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master chijiuhua]# cat deploy-wordpress-nfs.yaml\napiVersion: extensions\/v1beta1\nkind: Deployment\nmetadata:\n  name: wordpress\nspec:\n  replicas: 1\n  template:\n    metadata:\n      labels:\n        app: wordpress\n    spec:\n      volumes:\n      - name: nfs\n        nfs: ###\u6307\u5b9a\u6301\u4e45\u5316\u7c7b\u578b\u4e3anfs\n          server: k8s-master\n          path: \/data\/kubernetes\n      - name: log\n        emptyDir: {}\n      containers:\n      - name: wordpress\n        volumeMounts:\n        - name: nfs\n          mountPath: \/var\/www\/html\n        image: k8s-master:5000\/wordpress:latest\n        ports:\n        - containerPort: 80\n        env:\n        - name: WORDPRESS_DB_HOST\n          value: musql-svc.kube-system.svc.cluster.local\n        - name: WORDPRESS_DB_USER\n          value: wordpress\n        - name: WORDPRESS_DB_PASSWORD\n          value: wordpress\n&#91;root@k8s-master chijiuhua]# kubectl apply -f deploy-wordpress-nfs.yaml\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">6.PV\u548cPVC\u7684\u57fa\u672c\u4f7f\u7528<\/h2>\n\n\n\n<p><strong><em>1.\u6301\u4e45\u5316\u6570\u636e\u5377(persistent volume\uff0c\u7b80\u79f0\"pv\"\uff09\u548c\u6301\u4e45\u5316\u6570\u636e\u5377\u58f0\u660e(persistent volume&nbsp; claim\uff0c\u7b80\u79f0\"pvc\")\u7684\u533a\u522b<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>\u4ec0\u4e48\u662fpv: <\/strong>\n\u5168\u79f0\u4e3a:\"persistent volume\"\uff0c\u5c5e\u4e8ek8s\u96c6\u7fa4\u7684\u5168\u5c40\u8d44\u6e90\uff0c\u56e0\u6b64\u5e76\u4e0d\u652f\u6301\u547d\u540d\u7a7a\u95f4(namespace)\u3002\n\u8be5\u8d44\u6e90\u5bf9\u8c61\u672c\u8eab\u5e76\u4e0d\u8d1f\u8d23\u6570\u636e\u7684\u771f\u5b9e\u5b58\u50a8\uff0c\u800c\u662f\u8d1f\u8d23\u548c\u540e\u7aef\u5b58\u50a8\u8fdb\u884c\u5173\u8054\uff0c\u6bcf\u4e2apv\u90fd\u6709\u63d0\u524d\u5b9a\u4e49\u597d\u7684\u5b58\u50a8\u80fd\u529b\u3002\n\u6301\u4e45\u5377\u662f\u5bf9\u5b58\u50a8\u8d44\u6e90\u6570\u636e\u5377(volume)\u521b\u5efa\u548c\u4f7f\u7528\u7684\u62bd\u8c61\uff0c\u4f7f\u5f97\u5b58\u50a8\u4f5c\u4e3a\u96c6\u7fa4\u4e2d\u7684\u8d44\u6e90\u7ba1\u7406\u3002\n\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u5bf9\u6570\u636e\u5377\u7684\u4f7f\u7528\u7a7a\u95f4\uff0c\u8bfb\u5199\u6743\u9650\u505a\u4e00\u4e2a\u57fa\u672c\u7684\u6743\u9650\u7ba1\u63a7\uff0c\u800c\u4e0d\u662f\u653e\u4efbPod\u4f7f\u7528\u6240\u6709\u7684\u6570\u636e\u5377\u8d44\u6e90\u3002\n<strong>pv\u7684\u4f5c\u7528:<\/strong>\nPV\u89e3\u51b3\u4e86\u4f01\u4e1a\u5bf9\u4e8e\u5b58\u50a8\u7684\u4f9d\u8d56\u95ee\u9898\uff0c\u6bd4\u5982A\u516c\u53f8\u4f7f\u7528\u7684\u662fnfs\u4f5c\u4e3a\u5b58\u50a8\uff0c\u800cB\u516c\u53f8\u4f7f\u7528\u7684\u662fcephfs\u4f5c\u4e3a\u5b58\u50a8\uff0c\u5bf9\u4e8e\u8fd0\u7ef4\u4eba\u5458\u800c\u8a00\u53ef\u80fd\u9700\u8981\u624b\u52a8\u7ef4\u62a4\u4e0d\u540c\u7684\u7ec4\u4ef6\uff0c\u800c\u4e00\u65e6\u4f7f\u7528pv\u5bf9\u5b58\u50a8\u8d44\u6e90\u8fdb\u884c\u62bd\u8c61\u540e\uff0c\u5728\u8fc1\u79fb\u670d\u52a1\u65f6\u5c31\u65e0\u9700\u5173\u5fc3\u96c6\u7fa4\u5e95\u5c42\u5b58\u50a8\u4f7f\u7528\u7684\u8d44\u6e90\uff0c\u800c\u662f\u76f4\u63a5\u4f7f\u7528pv\u5373\u53ef\u3002\n\u7b80\u800c\u8a00\u4e4b\uff0c\u5c31\u662f\u5b9e\u73b0\u4e86\u540e\u7aef\u5b58\u50a8\u7684\u6743\u9650\u7ba1\u63a7(rw,ro),\u5b58\u50a8\u80fd\u529b(\u6bd4\u5982\u4f7f\u7528\u591a\u5927\u7684\u5b58\u50a8\u7a7a\u95f4)\u4ee5\u53ca\u540e\u7aef\u5b58\u50a8\u5377(volumes)\u5b58\u50a8\u7c7b\u578b\u7684\u5e94\u7528\u89e3\u8026\u3002\n<strong>\u4ec0\u4e48\u662fpvc: <\/strong>\n\u5168\u79f0\u4e3a:\"persistent volume  claim\",   \u5c5e\u4e8ek8s\u96c6\u7fa4\u67d0\u4e00\u4e2anamespace\u7684\u5c40\u90e8\u8d44\u6e90\u3002\n\u8be5\u8d44\u6e90\u5bf9\u8c61\u672c\u8eab\u5e76\u4e0d\u8d1f\u8d23\u6570\u7684\u771f\u5b9e\u5b58\u50a8\uff0c\u800c\u662f\u663e\u5f0f\u58f0\u660e\u9700\u8981\u4f7f\u7528\u7684\u5b58\u50a8\u8d44\u6e90\u9700\u6c42\u3002\n<strong>pvc\u7684\u4f5c\u7528:<\/strong>\t\n\u8ba9\u7528\u6237\u4e0d\u9700\u8981\u5173\u5fc3\u5177\u4f53\u7684Volume\u5b9e\u73b0\u7ec6\u8282\u3002pvc\u7684\u4e00\u4e2a\u6700\u91cd\u8981\u7684\u4f5c\u7528\u5c31\u662f\u53bb\u5173\u8054\u7b26\u5408\u6761\u4ef6\u7684pv\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u5b58\u50a8\u8d44\u6e90\u7684\u4f7f\u7528\u3002\n\u63a8\u8350\u9605\u8bfb:https:\/\/kubernetes.io\/docs\/concepts\/storage\/persistent-volumes\/\n\u6e29\u99a8\u63d0\u793a:\n(1)\u5168\u5c40\u8d44\u6e90\u6307\u7684\u662f\u6240\u6709\u7684namespace\u90fd\u80fd\u770b\u5230\u8be5\u8d44\u6e90,\u5f88\u660e\u663e\u662f\u5168\u5c40\u552f\u4e00\u7684\u3002\n(2)\u5c40\u90e8\u8d44\u6e90\u6307\u7684\u662f\u8be5\u8d44\u6e90\u53ea\u5c5e\u4e8e\u67d0\u4e2anamespace\u54df\u3002\n(3)pv\u548cpvc\u5747\u5c5e\u4e8ek8s\u8d44\u6e90\uff0c\u800ck8s\u7684\u6240\u6709\u8d44\u6e90\u901a\u5e38\u90fd\u652f\u6301\u6253\u6807\u7b7e\u7684\u54df\n<\/code><\/pre>\n\n\n\n<p><strong><em>2.\u521b\u5efaPV\u8d44\u6e90<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(1)\u521b\u5efapv\u7684\u5b58\u50a8\u76ee\u5f55\uff0c\u6ce8\u610f\u8be5\u76ee\u5f55\u662fNFS\u7684\u6302\u8f7d\u76ee\u5f55\nmkdir -pv \/data\/kubernetes\/pv0{1,2,3}\n(2)\u7f16\u5199pv\u7684\u8d44\u6e90\u6e05\u5355\n&#91;root@k8s-master pv]# cat 01-pv.yaml \napiVersion: v1\nkind: PersistentVolume\nmetadata:\n  name: pv01\n  labels:\n    type: ssd\nspec:\n  capacity:  # \u5b9a\u4e49PV\u5b58\u50a8\u5bb9\u91cf\u7684\u5927\u5c0f\n    storage: 10Gi \n  accessModes:  # \u6307\u5b9a\u8bbf\u95ee\u6a21\u5f0f\n    - ReadWriteMany \n  persistentVolumeReclaimPolicy: Recycle  # \u6307\u5b9aPV\u7684\u56de\u6536\u7b56\u7565\n  nfs:  # \u6307\u5b9aPV\u540e\u7aef\u7684\u652f\u6301\u5b58\u50a8\u8bbe\u5907\u7c7b\u578b\n    path: \"\/data\/kubernetes\/pv01\"\n    server: k8s-master\n    readOnly: false\n&#91;root@k8s-master pv]# cat 02-pv.yaml \napiVersion: v1\nkind: PersistentVolume\nmetadata:\n  name: pv02\n  labels:\n    type: ssd\nspec:\n  capacity:  # \u5b9a\u4e49PV\u5b58\u50a8\u5bb9\u91cf\u7684\u5927\u5c0f\n    storage: 30Gi \n  accessModes:  # \u6307\u5b9a\u8bbf\u95ee\u6a21\u5f0f\n    - ReadWriteMany \n  persistentVolumeReclaimPolicy: Recycle  # \u6307\u5b9aPV\u7684\u56de\u6536\u7b56\u7565\n  nfs:  # \u6307\u5b9aPV\u540e\u7aef\u7684\u652f\u6301\u5b58\u50a8\u8bbe\u5907\u7c7b\u578b\n    path: \"\/data\/kubernetes\/pv02\"\n    server: k8s-master\n    readOnly: false\n&#91;root@k8s-master pv]# cat 03-pv.yaml \napiVersion: v1\nkind: PersistentVolume\nmetadata:\n  name: pv03\n  labels:\n    type: ssd\nspec:\n  capacity:  # \u5b9a\u4e49PV\u5b58\u50a8\u5bb9\u91cf\u7684\u5927\u5c0f\n    storage: 50Gi \n  accessModes:  # \u6307\u5b9a\u8bbf\u95ee\u6a21\u5f0f\n    - ReadWriteMany \n  persistentVolumeReclaimPolicy: Recycle  # \u6307\u5b9aPV\u7684\u56de\u6536\u7b56\u7565\n  nfs:  # \u6307\u5b9aPV\u540e\u7aef\u7684\u652f\u6301\u5b58\u50a8\u8bbe\u5907\u7c7b\u578b\n    path: \"\/data\/kubernetes\/pv03\"\n    server: k8s-master\n    readOnly: false\n(3)\u521b\u5efapv\u8d44\u6e90\n&#91;root@k8s-master pv]# kubectl apply -f .\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"165\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-53.png\" alt=\"\" class=\"wp-image-1314\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-53.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-53-300x57.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-53-768x146.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6e29\u99a8\u63d0\u793a:\n\u6211\u4eec\u5728\u4efb\u610f\u7684\u540d\u79f0\u7a7a\u95f4\u90fd\u80fd\u770b\u5230PV\u8d44\u6e90\u54df\uff0c\u56e0\u4e3a\u5b83\u662f\u5168\u5c40\u8d44\u6e90!\nNAME:\u6709\u5173PV\u8d44\u6e90\u7684\u540d\u79f0\u3002\nCAPACITY:\u8be5PV\u8d44\u6e90\u7684\u5bb9\u91cf\u5927\u5c0f\u3002\nACCESSMODES(\u8bbf\u95ee\u6a21\u5f0f):\u662f\u7528\u6765\u5bf9PV\u8fdb\u884c\u8bbf\u95ee\u6a21\u5f0f\u7684\u8bbe\u7f6e\uff0c\u7528\u4e8e\u63cf\u8ff0\u7528\u6237\u5e94\u7528\u5bf9\u5b58\u50a8\u8d44\u6e90\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u8bbf\u95ee\u6743\u9650<strong>\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f:<\/strong>\n    ReadWriteOnce(RWO):\u8bfb\u5199\u6743\u9650\uff0c\u4f46\u662f\u53ea\u80fd\u88ab\u5355\u4e2a\u8282\u70b9\u6302\u8f7d\u3002\n    ReadOnlyMany(ROX):\u53ea\u8bfb\u6743\u9650\uff0c\u53ef\u4ee5\u88ab\u591a\u4e2a\u8282\u70b9\u6302\u8f7d\u3002\n    ReadWriteMany(RWX):\u8bfb\u5199\u6743\u9650\uff0c\u53ef\u4ee5\u88ab\u591a\u4e2a\u8282\u70b9\u6302\u8f7d\u3002\n    ReadWriteOncePod:\u5377\u53ef\u4ee5\u7531\u5355\u4e2aPod\u4ee5\u8bfb\u5199\u65b9\u5f0f\u6302\u8f7d\u3002\u8fd9\u4ec5\u652f\u6301CSI\u5377\u548cKubernetes 1.22+\u7248\u3002\nRECLAIMPOLICY(\u56de\u6536\u7b56\u7565): \n   <strong>\u76ee\u524d\u8f83\u65b0\u7248\u672c\u4e2dPV\u652f\u6301\u7684\u7b56\u7565\u6709\u4e09\u79cd<\/strong>:\n      Retain(\u4fdd\u7559):\u4fdd\u7559\u6570\u636e\uff0c\u9700\u8981\u7ba1\u7406\u5458\u624b\u5de5\u6e05\u7406\u6570\u636e\uff0c\u8fd9\u662f\u9ed8\u8ba4\u7b56\u7565\u54df\u3002\n      Recycle(\u56de\u6536):\u6e05\u9664PV\u4e2d\u7684\u6570\u636e\uff0c\u6548\u679c\u76f8\u5f53\u4e8e\u6267\u884c\"rm -rf \/data\/kubernetes\/*\"\u3002\n      Delete(\u5220\u9664):\u4e0ePV\u76f8\u8fde\u7684\u540e\u7aef\u5b58\u50a8\u540c\u65f6\u5220\u9664\u3002\n<strong>STATUS(\u72b6\u6001):<\/strong>\u4e00\u4e2aPV\u7684\u751f\u547d\u5468\u671f\u4e2d\uff0c\u53ef\u80fd\u4f1a\u5904\u4e8e\u56db\u79cd\u4e0d\u540c\u7684\u9636\u6bb5:\n   Available(\u53ef\u7528):\u8868\u793a\u53ef\u7528\u72b6\u6001\uff0c\u8fd8\u672a\u88ab\u4efb\u4f55PVC\u7ed1\u5b9a\u3002\n   Bound(\u5df2\u7ed1\u5b9a):\u8868\u793aPV\u5df2\u7ecf\u88abPVC\u7ed1\u5b9a\u3002\n   Released(\u5df2\u91ca\u653e): PVC\u88ab\u5220\u9664\uff0c\u4f46\u662f\u8d44\u6e90\u8fd8\u672a\u88ab\u96c6\u7fa4\u91cd\u65b0\u58f0\u660e\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8fd9\u79cd\u72b6\u6001\u4e0bPV\u662f\u4e0d\u53ef\u91cd\u65b0\u5206\u914d\u7684\uff0c\u9700\u8981\u624b\u52a8\u6e05\u7406\u4fdd\u7559\u7684\u6570\u636e(\u56e0\u4e3a\u9ed8\u8ba4\u7684\u56de\u6536\u7b56\u7565\u662f\"Retain\")\u3002\n   Failed(\u5931\u8d25):\u8868\u793a\u8be5PV\u7684\u81ea\u52a8\u56de\u6536\u5931\u8d25\u3002\nCLAIM:\u88ab\u90a3\u4e2apvc\u58f0\u660e\u4f7f\u7528\u3002\nREASON:PV\u6545\u969c\u539f\u56e0\u3002\nAGE:\u8d44\u6e90\u521b\u5efa\u7684\u65f6\u95f4\u3002\n\u53c2\u8003\u94fe\u63a5:https:\/\/kubernetes.io\/docs\/concepts\/storage\/persistent-volumes\/#access-modes\n<\/code><\/pre>\n\n\n\n<p><strong><em>3.\u521b\u5efaPVC\u8d44\u6e90<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master pv]# cat 01-pvc.yaml \napiVersion: v1\nkind: PersistentVolumeClaim\nmetadata:\n  name: mysql-pvc\n  namespace: kube-system\nspec:\n  accessModes:\n    - ReadWriteMany\n  resources:\n    requests:\n      storage: 35Gi\n&#91;root@k8s-master pv]# kubectl apply -f 01-pvc.yaml\n\u6e29\u99a8\u63d0\u793a:\n    (1)\u5f53\u6211\u4eec\u521b\u5efa\u7684PVC\u7533\u8bf7\u7684\u5b58\u50a8\u5927\u5c0f\u8981\u5c0f\u4e8ePV\u73b0\u6709\u5b58\u50a8\u5927\u5c0f\u65f6\uff0cK8S\u4f1a\u81ea\u52a8\u8bc4\u4f30PVC\u548c\u4e0e\u54ea\u4e00\u4e2a\u540e\u7aefPV\u8fdb\u884c\u7ed1\u5b9a(Bound)\uff0c\u5982\u679cpvc\u627e\u4e0d\u5230\u5408\u9002\u7684PV\u5219pvc\u59cb\u7ec8\u4f1a\u505c\u7559\u5728\"Pending\"\u72b6\u6001\u54df~\n    (2)\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u672c\u6848\u4f8bPVC\u4ec5\u7533\u8bf7\u4e8635G\u5185\u5b58\uff0c\u4f46\u5b9e\u9645\u4e0aPVC\u4f1a\u81ea\u52a8\u53bb\u5173\u8054\u5168\u5c40\u8d44\u6e90\uff0c\u5339\u914d\u6700\u5408\u9002\u7684PV\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u662f\u7531K8s\u96c6\u7fa4\u81ea\u52a8\u5b9e\u73b0\u7684\uff0c\u65e0\u9700\u8fd0\u7ef4\u4eba\u5458\u624b\u52a8\u7ed1\u5b9a\uff0c\u7ed1\u5b9a\u6210\u529f\u8bf7\u6ce8\u610f\u89c2\u5bdfPV\u548cPVC\u7684\u72b6\u6001\u5747\u4e3a\"Bound\"\u3002\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"317\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-54.png\" alt=\"\" class=\"wp-image-1318\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-54.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-54-300x110.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-54-768x281.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>    (3)\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u5982\u679c\u5c06PVC\u7533\u8bf7\u7684\u6570\u91cf\u8fc7\u5927(\u672c\u6848\u4f8b\u662f32GB)\uff0c\u5c31\u4f1a\u5bfc\u81f4PVC\u65e0\u6cd5\u81ea\u52a8\u5173\u8054\u5168\u5c40PV\u8d44\u6e90\uff0c\u56e0\u6b64PVC\u7684\u72b6\u6001\u59cb\u7ec8\u4e3a\"Pending\"\uff0c\u56e0\u4e3a\u6b64\u65f6\u5e76\u6ca1\u6709\u4e00\u4e2aPV\u7684\u5b58\u50a8\u80fd\u529b\u80fd\u591f\u6ee1\u8db3\u8be5pvc<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"340\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-55.png\" alt=\"\" class=\"wp-image-1320\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-55.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-55-300x118.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-55-768x302.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p><strong><em>4.mysql\u7684deployment\u8d44\u6e90\u4f7f\u7528PVC\u8d44\u6e90<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master pv]# cat deploy-pvc.yaml \napiVersion: extensions\/v1beta1\nkind: Deployment\nmetadata:\n  name: mysql\n  namespace: kube-system\nspec:\n  replicas: 1\n  template:\n    metadata:\n      labels:\n        app: mysql\n    spec:\n      volumes:\n      - name: mysql-pvc\n        persistentVolumeClaim:\n          claimName: mysql-pvc  # \u6307\u5b9aPVC\u7684\u540d\u79f0\uff0c\u6ce8\u610f\u8981\u521b\u5efa\u7684Pod\u7684\u540d\u79f0\u7a7a\u95f4\u4e2d\u5fc5\u987b\u5b58\u5728\u8be5PVC\u54df~\n          readOnly: false  # PVC\u662f\u5426\u53ea\u8bfb\uff0c\u9ed8\u8ba4\u503c\u5c31\u4e3afalse\uff0c\u5982\u679c\u60f3\u8981\u53ea\u8bfb\u8bf7\u8bbe\u7f6e\u4e3a\"true\"\n      - name: log\n        emptyDir: {}\n      containers:\n      - name: mysql\n        volumeMounts:\n        - name: mysql-pvc  # \u6ce8\u610f\u54c8\uff0c\u8be5\u540d\u79f0\u5fc5\u987b\u5728\u4e0a\u9762\u7684\"volumes\"\u7684name\u5b57\u6bb5\u4e2d\u5b58\u5728\u54df~\n          mountPath: \/var\/lib\/mysql  # \u6307\u5b9a\u6302\u8f7d\u5230\u5bb9\u5668\u7684\u4f4d\u7f6e\n        image: k8s-master:5000\/mysql:5.7\n        ports:\n        - containerPort: 3306\n        env:\n        - name: MYSQL_ROOT_PASSWORD\n          value: somewordpress\n        - name: MYSQL_DATABASE\n          value: wordpress\n        - name: MYSQL_USER\n          value: wordpress\n        - name: MYSQL_PASSWORD\n          value: wordpress\n&#91;root@k8s-master pv]# kubectl apply -f deploy-pvc.yaml\n\u901a\u8fc7describe\u6570\u636e\u5e93\u7684pod\u53ef\u4ee5\u770b\u5230\u6302\u8f7d\u70b9\uff0c\u540c\u65f6\u68c0\u67e5\u6570\u636e\uff0c\u53d1\u73b0\u5df2\u7ecf\u88ab\u6301\u4e45\u5316\u8fc7\u6765\u4e86\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"395\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-56.png\" alt=\"\" class=\"wp-image-1321\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-56.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-56-300x137.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-56-768x351.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"475\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-57.png\" alt=\"\" class=\"wp-image-1322\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-57.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-57-300x165.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-57-768x422.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">7.PV\u8d44\u6e90\u7684\u56de\u6536<\/h2>\n\n\n\n<p><strong><em>1.\u5220\u9664\u8d44\u6e90<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>##\u5220\u9664PVC\nkubectl delete pvc tomcat-mysql-pvc  -n tomcat\n\u53d1\u73b0pv\u7684\u72b6\u6001\u53d8\u6210\u4e86released\u72b6\u6001\uff0c\u540c\u65f6\u53d1\u73b0\u6709\u4e00\u4e2apod\u72b6\u6001\u4e0d\u6b63\u5e38\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"178\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-58.png\" alt=\"\" class=\"wp-image-1325\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-58.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-58-300x62.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-58-768x158.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p><strong><em>2.\u89e3\u51b3\"ErrImagePull\"\u95ee\u9898<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(1)\u5728\u7ebf\u7f16\u8f91\"pv-recycler\"\u7684POD\u8d44\u6e90\nkubectl edit po recycler-for-pv03 \n(2)\u4fee\u6539\u955c\u50cf\u5730\u5740\u4e3a\u56fd\u5185\u7684\u963f\u91cc\u4e91\u6e90\nimage: registry.aliyuncs.com\/google_containers\/busybox\n\u8fd9\u662fk8s\u5185\u7f6e\u7684\u53ea\u80fd\u5728\u7ebf\u7f16\u8f91\uff0cpv\u7684\u56de\u6536\u53c8\u4f9d\u8d56\u8fd9\u4e2apod<\/code><\/pre>\n\n\n\n<p><strong><em>3.\u56de\u6536pv\u8d44\u6e90<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6b64\u65f6\u53d1\u73b0pv\u7684\u72b6\u6001\u53c8\u53d8\u6210\u4e86failed\u72b6\u6001\uff0c\u662f\u56e0\u4e3adeployment\u8d44\u6e90\u7684mysql\u8fdb\u7a0b\u4f9d\u7136\u5360\u7528\u7740pv\u4e0b\u7684\u6587\u4ef6\uff0c\u5bfc\u81f4\u6570\u636e\u65e0\u6cd5\u5220\u9664\u3002\u53ef\u4ee5\u624b\u52a8\u5220\u9664\n\u5f53\u7136\uff0c\u5982\u679c\u5148\u5220\u9664deployment\u8d44\u6e90\uff0c\u518d\u5220\u9664pvc\u5c31\u4e0d\u4f1a\u51fa\u73b0failed\u60c5\u51b5<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"96\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-59.png\" alt=\"\" class=\"wp-image-1326\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-59.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-59-300x33.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-59-768x85.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">7.PVC\u7684\u6807\u7b7e\u9009\u62e9\u5668<\/h2>\n\n\n\n<p><strong><em>1.\u521b\u5efaPV<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master pv]# cat 04-pv.yaml \napiVersion: v1\nkind: PersistentVolume\nmetadata:\n  name: pv04\n  labels:\n    type: sata\nspec:\n  capacity:  # \u5b9a\u4e49PV\u5b58\u50a8\u5bb9\u91cf\u7684\u5927\u5c0f\n    storage: 30Gi \n  accessModes:  # \u6307\u5b9a\u8bbf\u95ee\u6a21\u5f0f\n    - ReadWriteMany \n  persistentVolumeReclaimPolicy: Recycle  # \u6307\u5b9aPV\u7684\u56de\u6536\u7b56\u7565\n  nfs:  # \u6307\u5b9aPV\u540e\u7aef\u7684\u652f\u6301\u5b58\u50a8\u8bbe\u5907\u7c7b\u578b\n    path: \"\/data\/kubernetes\/pv04\"\n    server: k8s-master\n    readOnly: false\n&#91;root@k8s-master pv]# kubectl apply -f 04-pv.yaml\n<\/code><\/pre>\n\n\n\n<p><strong><em>2.\u521b\u5efaPVC<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master pv]# cat 03-pvc.yaml \napiVersion: v1\nkind: PersistentVolumeClaim\nmetadata:\n  name: mysql-pvc\n  namespace: kube-system\nspec:\n  selector: ###\u6307\u5b9a\u6807\u7b7e\u9009\u62e9\u5668\n    matchLabels:\n      type: sata\n  accessModes:\n    - ReadWriteMany\n  resources:\n    requests:\n      storage: 15Gi\n&#91;root@k8s-master pv]# kubectl apply -f 03-pvc.yaml\n\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u5f53\u6211\u4eec\u6210\u529f\u521b\u5efa\u4e86pvc\u8d44\u6e90\u65f6\uff0c\u5176\u5b58\u50a8\u8981\u6c42\u662f15GB\uff0c\u5c3d\u7ba1pv02\u548cpv04\u5747\u6ee1\u8db315GB\u7684\u5b58\u50a8\u8981\u6c42\uff0c\u4f46\u59cb\u7ec8\u4f1a\u88ab\u8c03\u5ea6\u5230pv04\uff0c\u8fd9\u6b63\u662f\u7531\u4e8e\u6807\u7b7e\u9009\u62e9\u5668\u7684\u5b58\u5728\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"473\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-60.png\" alt=\"\" class=\"wp-image-1329\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-60.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-60-300x164.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-60-768x420.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n\n\n\n<p><strong><em>3.\u57fa\u4e8epv\u540d\u79f0\u9009\u62e9<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@k8s-master pv]# cat 04-pvc.yaml \napiVersion: v1\nkind: PersistentVolumeClaim\nmetadata:\n  name: tomcat-mysql-pvc-python\n  namespace: kube-system\nspec:\n  volumeName: pv02 ###\u6307\u5b9apv\u7684\u540d\u79f0\n  accessModes:\n    - ReadWriteMany\n  resources:\n    requests:\n      storage: 15Gi\n&#91;root@k8s-master pv]# kubectl apply -f 04-pvc.yaml\n\u53ef\u4ee5\u770b\u5230\u867d\u7136pv02\u548cpv03\u90fd\u6ee1\u8db3\u8981\u6c42\uff0c\u4f46\u662f\u4f9d\u7136\u9009\u62e9\u4e86pv02\uff0c\u8fd9\u662f\u56e0\u4e3a\u6307\u5b9a\u4e86\u540d\u79f0\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"865\" height=\"335\" src=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-61.png\" alt=\"\" class=\"wp-image-1330\" srcset=\"https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-61.png 865w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-61-300x116.png 300w, https:\/\/www.buyao007.icu\/wp-content\/uploads\/2022\/04\/image-61-768x297.png 768w\" sizes=\"(max-width: 865px) 100vw, 865px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":246,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"_links":{"self":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1300"}],"collection":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1300"}],"version-history":[{"count":12,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1300\/revisions"}],"predecessor-version":[{"id":1332,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1300\/revisions\/1332"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/media\/246"}],"wp:attachment":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}