{"id":35932,"date":"2023-03-19T06:31:39","date_gmt":"2023-12-21T18:00:59","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e7%a0%94%e7%a9%b6%e4%ba%86kubernetes%e7%9a%84pvc%e3%80%81deployment%e5%92%8cstatefulset%e4%b9%8b%e9%97%b4%e7%9a%84%e5%85%b3%e7%b3%bb%e3%80%82\/"},"modified":"2024-04-29T19:32:40","modified_gmt":"2024-04-29T11:32:40","slug":"%e6%88%91%e7%a0%94%e7%a9%b6%e4%ba%86kubernetes%e7%9a%84pvc%e3%80%81deployment%e5%92%8cstatefulset%e4%b9%8b%e9%97%b4%e7%9a%84%e5%85%b3%e7%b3%bb%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e7%a0%94%e7%a9%b6%e4%ba%86kubernetes%e7%9a%84pvc%e3%80%81deployment%e5%92%8cstatefulset%e4%b9%8b%e9%97%b4%e7%9a%84%e5%85%b3%e7%b3%bb%e3%80%82\/","title":{"rendered":"\u6211\u7814\u7a76\u4e86Kubernetes\u7684PVC\u3001Deployment\u548cStatefulSet\u4e4b\u95f4\u7684\u5173\u7cfb"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u300cPersistent Volume\u300d\u662f\u4e3a\u4e86\u5728Kubernetes\u4e2d\u7ba1\u7406\u548c\u4f7f\u7528\u5b58\u50a8\u800c\u8bbe\u8ba1\u7684Pod\u3002\u6211\u4eec\u5c06\u901a\u8fc7\u9a8c\u8bc1\u6765\u8fdb\u4e00\u6b65\u7406\u89e3\u5728\u4f7f\u7528Deployment\u548cStatefulSet\u65f6\u5982\u4f55\u5c06Persistent Volume\u4e0ePod\u5173\u8054\u8d77\u6765\u3002\u6211\u4eec\u5c06\u5728\u4e00\u4e2a\u7531\u4e00\u4e2aMaster\u548c\u4e24\u4e2aNode\u7ec4\u6210\u7684Kubernetes\u96c6\u7fa4\u4e0a\u4f7f\u7528NFS\u8fdb\u884cPersistent Volume\u7684\u9a8c\u8bc1\u3002<\/p>\n

\u51c6\u5907NFS\u670d\u52a1\u5668<\/h1>\n

\u8bf7\u9002\u5f53\u51c6\u5907NFS\u670d\u52a1\u5668
\n\u8bf7\u53c2\u8003\u4ee5\u4e0b\u7f51\u5740<\/p>\n

\u51c6\u5907NFS\u5ba2\u6237\u7aef<\/h1>\n

\u4e3a\u4e86\u6267\u884c NFS \u6302\u8f7d\uff0cNode \u4e0a\u9700\u8981\u8fdb\u884c NFS \u5ba2\u6237\u7aef\u7684\u9884\u5148\u51c6\u5907\u3002\u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\uff0c\u8bf7\u5728 Master \u548c\u6240\u6709 Node \u4e0a\u63d0\u524d\u5b89\u88c5\u3002<\/p>\n

\u8bf7\u53c2\u8003\u4ee5\u4e0b\u7f51\u5740\u3002
\n\u8bf7\u67e5\u770b\u4ee5\u4e0b\u94fe\u63a5\u3002
\n\u8bf7\u70b9\u51fb\u4ee5\u4e0b\u94fe\u63a5\u3002<\/p>\n

\u6301\u4e45\u5377\u548c\u90e8\u7f72\u7684\u5173\u8054\u9a8c\u8bc1<\/h1>\n

\u521b\u5efa\u6301\u4e45\u5316\u5377<\/h2>\n

KubernetesMaster\u4e0a\u3067\u3001Persistent Volume \u3092\u5b9a\u7fa9\u3059\u308bYAML\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059<\/p>\n

cat <<'EOF' > \/root\/kube_yaml\/persistent_volume\/persistent_volume.yaml\r\napiVersion: v1\r\nkind: PersistentVolume\r\nmetadata:\r\n  name: pv0001\r\nspec:\r\n  capacity:\r\n    storage: 1Gi\r\n  volumeMode: Filesystem\r\n  accessModes:\r\n    - ReadWriteOnce\r\n  persistentVolumeReclaimPolicy: Recycle\r\n  storageClassName: slow\r\n  mountOptions:\r\n    - hard\r\n  nfs:\r\n    server: 192.168.120.230\r\n    path: \/mnt\/nfsserv\r\nEOF\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u5404\u4e2a\u53c2\u6570\u7684\u663e\u8457\u7279\u70b9\u3002<\/p>\n
\n
\u9805\u76ee\u30d1\u30e9\u30e1\u30fc\u30bf\u6982\u8981\u5185\u5bb9spec.capacity.storage\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cfPV\u306e\u5bb9\u91cf\u3092\u5b9a\u7fa9spec.volumeModePV\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u7a2e\u985ePV\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u7a2e\u985e\u3092\u6307\u5b9a\u3002”Filesystem” or “Block” \u306e2\u7a2e\u985e\u3092\u6307\u5b9a\u53ef\u80fd\u3002\u4f55\u3082\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306f\u3001”FileSystem”\u304cDefault\u3068\u306a\u308b\u3002
\nKubernetes 1.9 \u3088\u308a\u3001 “Block” \u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u305f\u305f\u3081\u3001volumeMode \u3092\u6307\u5b9a\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u3063\u305fspec.accessModes\u30a2\u30af\u30bb\u30b9\u30e2\u30fc\u30c9PV\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\u30e2\u30fc\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u9078\u629e\u53ef\u80fd\u306a\u30a2\u30af\u30bb\u30b9\u30e2\u30fc\u30c9\u306f\u3001PV\u306eVolumePlugin\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3002
\nReadWriteOnce : 1\u3064\u306eNode\u304cPV\u3092mount\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002\u8aad\u307f\u66f8\u304d\u53ef\u80fd\u3002
\nReadOnlyMany : \u8907\u6570\u306eNode\u304cPV\u3092mount\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002\u8aad\u307f\u53d6\u308a\u5c02\u7528\u3002
\nReadWriteMany : \u8907\u6570\u306eNode\u304cPV\u3092mount\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3002\u8aad\u307f\u66f8\u304d\u53ef\u80fdspec.storageClassName\u30b9\u30c8\u30ec\u30fc\u30b8\u30af\u30e9\u30b9\u540dKubernetes\u30af\u30e9\u30b9\u30bf\u7ba1\u7406\u8005\u304c\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30af\u30e9\u30b9\u304b\u3089\u30011\u7a2e\u985e\u3092\u9078\u629e\u3057\u307e\u3059\u3002
\n\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u6027\u8cea\u3092\u30af\u30e9\u30b9\u30bf\u7ba1\u7406\u8005\u304c\u5b9a\u7fa9\u3059\u308b\u3082\u306e\u304c\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30af\u30e9\u30b9\u3067\u3059\u3002
\n\u4f8b\u3048\u3070\u3001fast class \u306f\u9ad8\u4fa1\u306a\u65e9\u3044\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u5b9a\u7fa9\u3057\u3001slow class \u306f\u5b89\u4fa1\u306a\u9045\u3081\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u5b9a\u7fa9\u3059\u308b\u904b\u7528\u304c\u8003\u3048\u3089\u308c\u307e\u3059spec.persistentVolumeReclaimPolicy\u524a\u9664\u6642\u306e\u52d5\u4f5cPV\u3092\u524a\u9664\u3057\u305f\u3068\u304d\u306e\u52d5\u4f5c\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002
\nRetain : \u524a\u9664\u3057\u306a\u3044\u3002\u624b\u52d5\u3067\u524a\u9664\u3092\u884c\u3046
\nRecycle : \u524a\u9664\u3057\u3066\u518d\u5229\u7528\u3059\u308b “rm -rf \/voluma_path\/*” \u306e\u30a4\u30e1\u30fc\u30b8
\nDelete : Volume\u3092\u524a\u9664<\/div>\n<\/div>\n
PV \u3092\u4f5c\u6210\u3057\u307e\u3059<\/p>\n
kubectl create -f \/root\/kube_yaml\/persistent_volume\/persistent_volume.yaml\r\n<\/code><\/pre>\n
\u78ba\u8a8d\u3057\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pv -o wide\r\nNAME      CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM     STORAGECLASS   REASON    AGE\r\npv0001    1Gi        RWO            Recycle          Available             slow                     22s\r\n<\/code><\/pre>\n
\u76ee\u524d\u9636\u6bb5\uff0cNFS\u4e0a\u5c1a\u672a\u521b\u5efa\u4efb\u4f55\u6587\u4ef6\u3002<\/p>\n
[root@sugi-nfs nfsserv]# pwd\r\n\/mnt\/nfsserv\r\n[root@sugi-nfs nfsserv]# \r\n[root@sugi-nfs nfsserv]# ls -la\r\ntotal 0\r\ndrwxr-xr-x  2 root root  6 Jun  1 11:59 .\r\ndrwxr-xr-x. 3 root root 21 Jun  1 11:50 ..\r\n<\/code><\/pre>\n
\u521b\u5efa\u6301\u4e45\u5316\u5b58\u50a8\u58f0\u660e<\/h2>\n
PVC(Persistent Volume Claims)\u3068\u306f\u3001PV\u3092\u8981\u6c42\u3059\u308b\u305f\u3081\u306eKubernetes\u30ea\u30bd\u30fc\u30b9\u3067\u3059\u3002
\nPV\u306b\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u63d0\u4f9b\u5074\u306e\u56fa\u6709\u306e\u60c5\u5831(IP\u30a2\u30c9\u30ec\u30b9\u3084\u3001NFS\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u30dd\u30a4\u30f3\u30c8\u306a\u3069)\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002
\nKubernetes\u30af\u30e9\u30b9\u30bf\u306e\u5229\u7528\u8005\u304cPV\u3092\u4f5c\u6210\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u63d0\u4f9b\u5074\u306e\u56fa\u6709\u306e\u60c5\u5831\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u30b9\u30c8\u30ec\u30fc\u30b8\u56fa\u6709\u306e\u60c5\u5831\u3092\u62bd\u8c61\u5316\u3059\u308b\u305f\u3081\u306b\u3001PVC\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002
\nPV\u3092Kubernetes\u30af\u30e9\u30b9\u30bf\u306e\u7ba1\u7406\u8005\u304c\u4f5c\u6210\u3057\u3001PVC\u3092\u5229\u7528\u8005\u304c\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u60f3\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u4e3a\u4e86\u521b\u5efaPVC\uff0c\u521b\u5efa\u4ee5\u4e0bYAML\u6587\u4ef6\u3002<\/p>\n
cat <<'EOF' > \/root\/kube_yaml\/persistent_volume\/persistent_volume_claims.yaml\r\napiVersion: v1\r\nkind: PersistentVolumeClaim\r\nmetadata:\r\n  name: test-claim\r\n  annotations:\r\n    volume.kubernetes.io\/storage-class: \"nfs\"\r\nspec:\r\n  accessModes:\r\n    - ReadWriteOnce\r\n  volumeMode: Filesystem\r\n  storageClassName: slow\r\n  resources:\r\n    requests:\r\n      storage: 1Gi\r\nEOF\r\n<\/code><\/pre>\n
\u521b\u5efaPVC<\/p>\n
kubectl create -f \/root\/kube_yaml\/persistent_volume\/persistent_volume_claims.yaml\r\n<\/code><\/pre>\n
\u6211\u4f1a\u786e\u8ba4\u3002 (W\u01d2 hu\u00ec .)<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pvc -o wide\r\nNAME         STATUS    VOLUME    CAPACITY   ACCESS MODES   STORAGECLASS   AGE\r\ntest-claim   Bound     pv0001    1Gi        RWO            slow           17s\r\n<\/code><\/pre>\n
\u5f53\u67e5\u770bPVC\u7684\u8be6\u7ec6\u4fe1\u606f\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0PV0001\u88ab\u4f7f\u7528\u4e86\u3002<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl describe pvc test-claim \r\nName:          test-claim\r\nNamespace:     default\r\nStorageClass:  slow\r\nStatus:        Bound\r\nVolume:        pv0001\r\nLabels:        <none>\r\nAnnotations:   pv.kubernetes.io\/bind-completed=yes\r\n               pv.kubernetes.io\/bound-by-controller=yes\r\n               volume.kubernetes.io\/storage-class=nfs\r\nFinalizers:    [kubernetes.io\/pvc-protection]\r\nCapacity:      1Gi\r\nAccess Modes:  RWO\r\nEvents:        <none>\r\n<\/code><\/pre>\n
PV\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001Available \u3060\u3063\u305f STATUS \u304c\u3001 Bound \u3068\u5909\u5316\u3057\u3066\u304a\u308a\u3001PVC\u306b\u7d10\u3065\u3051\u3089\u308c\u3066\u3044\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pv -o wide\r\nNAME      CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS    CLAIM                STORAGECLASS   REASON    AGE\r\npv0001    1Gi        RWO            Recycle          Bound     default\/test-claim   slow                     2h\r\n<\/code><\/pre>\n
\u521b\u5efa\u90e8\u7f72<\/h2>\n
\u4e3a\u4e86\u90e8\u7f72\uff0c\u521b\u5efa\u4ee5\u4e0b\u7684YAML\u6587\u4ef6\u3002<\/p>\n
\u5728Deployment\u4e2d\uff0c\u901a\u8fc7spec.template.spec.volumes.persistentVolumeClaim.claimName\u6307\u5b9a\u8981\u4f7f\u7528\u7684PVC\u3002
\n\u4e3a\u4e86\u5c06\u5176\u5206\u914d\u7ed9\u5b9e\u9645\u5bb9\u5668\uff0c\u901a\u8fc7spec.template.spec.containers.volumeMounts\u6307\u5b9a\u3002
\n\u5c06PVC\u6302\u8f7d\u5230\u5bb9\u5668\u5185\u7684\/persistent-volume\u7684\u8bbe\u7f6e\u3002<\/p>\n
cat <<'EOF' > \/root\/kube_yaml\/persistent_volume\/persistent_deployment.yaml\r\napiVersion: apps\/v1 # for versions before 1.9.0 use apps\/v1beta2\r\nkind: Deployment\r\nmetadata:\r\n  name: persistent-deployment\r\nspec:\r\n  selector:\r\n    matchLabels:\r\n      app: persistest_test\r\n  replicas: 1\r\n  template:\r\n    metadata:\r\n      labels:\r\n        app: persistest_test\r\n    spec:\r\n      containers:\r\n      - name: master\r\n        image: nginx\r\n        resources:\r\n          requests:\r\n            cpu: 100m\r\n            memory: 100Mi\r\n        ports:\r\n        - containerPort: 80\r\n        volumeMounts:\r\n        - mountPath: \/persistent-volume\r\n          name: pvc-volume\r\n      volumes:\r\n      - name: pvc-volume\r\n        persistentVolumeClaim:\r\n          claimName: test-claim\r\n      restartPolicy: Always\r\nEOF\r\n<\/code><\/pre>\n
\u521b\u5efa\u90e8\u7f72<\/p>\n
kubectl create -f \/root\/kube_yaml\/persistent_volume\/persistent_deployment.yaml\r\n<\/code><\/pre>\n
\u521b\u5efa\u4e86\u90e8\u7f72\uff0c\u5e76\u4e14\u521b\u5efa\u4e86Pod\u3002<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pods -o wide\r\nNAME                                    READY     STATUS    RESTARTS   AGE       IP            NODE\r\npersistent-deployment-b9db64785-7fq4z   1\/1       Running   0          47s       10.244.1.29   sugi-kubernetes110-node01.localdomain\r\n<\/code><\/pre>\n
\u5f53\u5728node01\u4e0a\u67e5\u770bdf\u65f6\uff0c\u53ef\u4ee5\u770b\u5230\u5df2\u7ecf\u6302\u8f7d\u4e86NFS\u670d\u52a1\u5668\u3002<\/p>\n
[root@sugi-kubernetes110-node01 ~]# df -h\r\nFilesystem                    Size  Used Avail Use% Mounted on\r\n\/dev\/mapper\/cl-root            14G  3.5G   10G  26% \/\r\ndevtmpfs                      1.9G     0  1.9G   0% \/dev\r\ntmpfs                         1.9G     0  1.9G   0% \/dev\/shm\r\ntmpfs                         1.9G  129M  1.8G   7% \/run\r\ntmpfs                         1.9G     0  1.9G   0% \/sys\/fs\/cgroup\r\n\/dev\/sda1                    1014M  289M  726M  29% \/boot\r\ntmpfs                         1.9G   12K  1.9G   1% \/var\/lib\/kubelet\/pods\/436d9ed6-4ae3-11e8-bbe9-0050569817ee\/volumes\/kubernetes.io~secret\/kube-proxy-token-c9qtq\r\ntmpfs                         1.9G   12K  1.9G   1% \/var\/lib\/kubelet\/pods\/436dce14-4ae3-11e8-bbe9-0050569817ee\/volumes\/kubernetes.io~secret\/flannel-token-6pnqp\r\ntmpfs                         380M     0  380M   0% \/run\/user\/0\r\ntmpfs                         1.9G   12K  1.9G   1% \/var\/lib\/kubelet\/pods\/2f404ff6-6562-11e8-8767-0050569817ee\/volumes\/kubernetes.io~secret\/default-token-q65hj\r\n192.168.120.230:\/mnt\/nfsserv   14G  1.5G   12G  11% \/var\/lib\/kubelet\/pods\/2f404ff6-6562-11e8-8767-0050569817ee\/volumes\/kubernetes.io~nfs\/pv0001\r\n<\/code><\/pre>\n
\u53e6\u5916\uff0c\u5728node01\u4e0a\u67e5\u770bdocker\u5217\u8868<\/p>\n
[root@sugi-kubernetes110-node01 ~]# docker ps\r\nCONTAINER ID        IMAGE                                                                                     COMMAND                  CREATED             STATUS              PORTS               NAMES\r\nb7dea7029d25        docker.io\/nginx@sha256:0fb320e2a1b1620b4905facb3447e3d84ad36da0b2c8aa8fe3a5a81d1187b884   \"nginx -g 'daemon ...\"   4 minutes ago       Up 4 minutes                            k8s_master_persistent-deployment-b9db64785-7fq4z_default_2f404ff6-6562-11e8-8767-0050569817ee_0\r\n13deb2cc4164        k8s.gcr.io\/pause-amd64:3.1                                                                \"\/pause\"                 4 minutes ago       Up 4 minutes                            k8s_POD_persistent-deployment-b9db64785-7fq4z_default_2f404ff6-6562-11e8-8767-0050569817ee_0\r\nb9d65d4ddb1c        2b736d06ca4c                                                                              \"\/opt\/bin\/flanneld...\"   4 weeks ago         Up 4 weeks                              k8s_kube-flannel_kube-flannel-ds-d92qj_kube-system_436dce14-4ae3-11e8-bbe9-0050569817ee_1\r\n5592ed89cbe0        77019aa0531a                                                                              \"\/usr\/local\/bin\/ku...\"   4 weeks ago         Up 4 weeks                              k8s_kube-proxy_kube-proxy-khhwf_kube-system_436d9ed6-4ae3-11e8-bbe9-0050569817ee_1\r\n496d9d63cddd        k8s.gcr.io\/pause-amd64:3.1                                                                \"\/pause\"                 4 weeks ago         Up 4 weeks                              k8s_POD_kube-flannel-ds-d92qj_kube-system_436dce14-4ae3-11e8-bbe9-0050569817ee_1\r\nfab2fd0c0a3b        k8s.gcr.io\/pause-amd64:3.1                                                                \"\/pause\"                 4 weeks ago         Up 4 weeks                              k8s_POD_kube-proxy-khhwf_kube-system_436d9ed6-4ae3-11e8-bbe9-0050569817ee_1\r\n<\/code><\/pre>\n
\u663e\u793a\u8be5\u5bb9\u5668\u7684\u8be6\u7ec6\u4fe1\u606f\u540e\uff0c\u53ef\u4ee5\u770b\u51fa\u5b83\u6b63\u5728\u4f7f\u7528\u5df2\u6302\u8f7d\u5230NFS\u7684\u5377\u3002<\/p>\n
# docker inspect b7dea7029d25\r\n\r\n... snip ....\r\n\r\n        \"Mounts\": [\r\n            {\r\n                \"Type\": \"bind\",\r\n                \"Source\": \"\/var\/lib\/kubelet\/pods\/2f404ff6-6562-11e8-8767-0050569817ee\/etc-hosts\",\r\n                \"Destination\": \"\/etc\/hosts\",\r\n                \"Mode\": \"\",\r\n                \"RW\": true,\r\n                \"Propagation\": \"rprivate\"\r\n            },\r\n            {\r\n                \"Type\": \"bind\",\r\n                \"Source\": \"\/var\/lib\/kubelet\/pods\/2f404ff6-6562-11e8-8767-0050569817ee\/containers\/master\/1abcb732\",\r\n                \"Destination\": \"\/dev\/termination-log\",\r\n                \"Mode\": \"\",\r\n                \"RW\": true,\r\n                \"Propagation\": \"rprivate\"\r\n            },\r\n            {\r\n                \"Type\": \"bind\",\r\n                \"Source\": \"\/var\/lib\/kubelet\/pods\/2f404ff6-6562-11e8-8767-0050569817ee\/volumes\/kubernetes.io~nfs\/pv0001\",\r\n                \"Destination\": \"\/persistent-volume\",    \u2190 \u30b3\u30b3\u3092\u898b\u308b\r\n                \"Mode\": \"rslave\",\r\n                \"RW\": true,\r\n                \"Propagation\": \"rslave\"\r\n            },\r\n<\/code><\/pre>\n
nginx pod \u306b\u30ed\u30b0\u30a4\u30f3\u3057\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl exec -it persistent-deployment-b9db64785-7fq4z bash\r\nroot@persistent-deployment-b9db64785-7fq4z:\/# \r\n<\/code><\/pre>\n
\u60a8\u53ef\u4ee5\u786e\u8ba4\u5728 Pod \u5185\u6b63\u5e38\u5b89\u88c5\u4e86\u3002<\/p>\n
\u4ecePod\u5185\u53ef\u4ee5\u770b\u5230NFS\u670d\u52a1\u5668\u7684IP\u5730\u5740\u3002\u8fd9\u53d6\u51b3\u4e8e\u5b58\u50a8\u7c7b\u578b\uff0c\u4f46\u53ef\u80fd\u8fd8\u9700\u8981\u8003\u8651\u5230\u786e\u4fddPod\u4f7f\u7528\u8005\u53ef\u4ee5\u77e5\u9053\u5b58\u50a8\u7aef\u7684IP\u5730\u5740\u800c\u4e0d\u4f1a\u6709\u95ee\u9898\u3002<\/p>\n
root@persistent-deployment-b9db64785-7fq4z:\/# df -h\r\nFilesystem                    Size  Used Avail Use% Mounted on\r\noverlay                        14G  3.5G   10G  26% \/\r\ntmpfs                         1.9G     0  1.9G   0% \/dev\r\ntmpfs                         1.9G     0  1.9G   0% \/sys\/fs\/cgroup\r\n192.168.120.230:\/mnt\/nfsserv   14G  1.5G   12G  11% \/persistent-volume\r\n\/dev\/mapper\/cl-root            14G  3.5G   10G  26% \/etc\/hosts\r\nshm                            64M     0   64M   0% \/dev\/shm\r\ntmpfs                         1.9G   12K  1.9G   1% \/run\/secrets\/kubernetes.io\/serviceaccount\r\ntmpfs                         1.9G     0  1.9G   0% \/proc\/scsi\r\ntmpfs                         1.9G     0  1.9G   0% \/sys\/firmware\r\n<\/code><\/pre>\n
\u5728pod\u5185\u521b\u5efa\u6587\u4ef6\u3002<\/p>\n
root@persistent-deployment-b9db64785-7fq4z:\/persistent-volume# touch test_from_pod\r\nroot@persistent-deployment-b9db64785-7fq4z:\/persistent-volume# pwd\r\n\/persistent-volume\r\nroot@persistent-deployment-b9db64785-7fq4z:\/persistent-volume# \r\nroot@persistent-deployment-b9db64785-7fq4z:\/persistent-volume# ls -la\r\ntotal 0\r\ndrwxr-xr-x 2 root root 27 Jun  1 06:26 .\r\ndrwxr-xr-x 1 root root 53 Jun  1 06:08 ..\r\n-rw-r--r-- 1 root root  0 Jun  1 06:26 test_from_pod\r\n<\/code><\/pre>\n
\u6211\u80fd\u5728NFS\u670d\u52a1\u5668\u4e0a\u786e\u8ba4\u5230\u4e0a\u8ff0\u521b\u5efa\u7684\u6587\u4ef6\u3002
\n\u53ef\u4ee5\u770b\u51faNFS\u670d\u52a1\u5668\u7684ExportPoint\u548cPV\u662f\u4e00\u5bf9\u4e00\u5bf9\u5e94\u7684\u3002\uff08\u4f7f\u7528NFS\u7684DynamicProvisioner\uff0cExportPoint\u4f1a\u81ea\u52a8\u521b\u5efa\u5417\uff1f\uff09<\/p>\n
[root@sugi-nfs nfsserv]# ls -la\r\ntotal 0\r\ndrwxr-xr-x  2 root root 27 Jun  1 15:26 .\r\ndrwxr-xr-x. 3 root root 21 Jun  1 11:50 ..\r\n-rw-r--r--  1 root root  0 Jun  1 15:26 test_from_pod\r\n[root@sugi-nfs nfsserv]# \r\n[root@sugi-nfs nfsserv]# pwd\r\n\/mnt\/nfsserv\r\n<\/code><\/pre>\n
\u5982\u679c\u5c06\u6b64\u90e8\u7f72\u7684\u526f\u672c\u4ece1\u589e\u52a0\u52302\uff0c\u4f1a\u51fa\u73b0\u4ec0\u4e48\u60c5\u51b5\u5462\uff1f<\/p>\n
cat <<'EOF' > \/root\/kube_yaml\/persistent_volume\/persistent_deployment.yaml\r\napiVersion: apps\/v1 # for versions before 1.9.0 use apps\/v1beta2\r\nkind: Deployment\r\nmetadata:\r\n  name: persistent-deployment\r\nspec:\r\n  selector:\r\n    matchLabels:\r\n      app: persistest_test\r\n  replicas: 2\r\n  template:\r\n    metadata:\r\n      labels:\r\n        app: persistest_test\r\n    spec:\r\n      containers:\r\n      - name: master\r\n        image: nginx\r\n        resources:\r\n          requests:\r\n            cpu: 100m\r\n            memory: 100Mi\r\n        ports:\r\n        - containerPort: 80\r\n        volumeMounts:\r\n        - mountPath: \/persistent-volume\r\n          name: pvc-volume\r\n      volumes:\r\n      - name: pvc-volume\r\n        persistentVolumeClaim:\r\n          claimName: test-claim\r\n      restartPolicy: Always\r\nEOF\r\n<\/code><\/pre>\n
\u7533\u8bf7\u8fdb\u884c\u66f4\u65b0 (” “)<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl apply -f \/root\/kube_yaml\/persistent_volume\/persistent_deployment.yaml\r\nWarning: kubectl apply should be used on resource created by either kubectl create --save-config or kubectl apply\r\ndeployment.apps \"persistent-deployment\" configured\r\n<\/code><\/pre>\n
\u786e\u8ba4<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get replicaset \r\nNAME                              DESIRED   CURRENT   READY     AGE\r\npersistent-deployment-b9db64785   2         2         2         44m\r\n<\/code><\/pre>\n
\u786e\u8ba4pod<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pods -o wide\r\nNAME                                    READY     STATUS    RESTARTS   AGE       IP            NODE\r\npersistent-deployment-b9db64785-7fq4z   1\/1       Running   0          44m       10.244.1.29   sugi-kubernetes110-node01.localdomain\r\npersistent-deployment-b9db64785-rtbk7   1\/1       Running   0          2m        10.244.2.28   sugi-kubernetes110-node02.localdomain\r\n<\/code><\/pre>\n
\u771f\u662f\u5947\u602a\uff0cPV\u88ab\u521b\u5efa\u4e3aReadWriteOnce\uff0c\u4f46\u5374\u8fde\u63a5\u5230\u4e86\u591a\u4e2a\u8282\u70b9\u3002
\n\u4f60\u53ef\u4ee5\u5728node01\u548cnode02\u7684\u5bb9\u5668\u4e0a\u5206\u522b\u521b\u5efa\u6587\u4ef6\u3002
\n\u6211\u4e0d\u786e\u5b9a\u8fd9\u662f\u4e2abug\u8fd8\u662f\u4ec0\u4e48\u539f\u56e0\u5bfc\u81f4\u7684\u3002<\/p>\n
\u5373\u4f7f\u662f\u7b2c\u4e8c\u4e2aPod\uff0c\u4e5f\u53ef\u4ee5\u6b63\u5e38\u5199\u5165\u3002<\/p>\n
root@persistent-deployment-b9db64785-rtbk7:\/persistent-volume# touch test_from_pod02\r\nroot@persistent-deployment-b9db64785-rtbk7:\/persistent-volume# ls -la\r\ntotal 0\r\ndrwxr-xr-x 2 root root 50 Jun  1 06:59 .\r\ndrwxr-xr-x 1 root root 53 Jun  1 06:50 ..\r\n-rw-r--r-- 1 root root  0 Jun  1 06:26 test_from_pod\r\n-rw-r--r-- 1 root root  0 Jun  1 06:59 test_from_pod02\r\nroot@persistent-deployment-b9db64785-rtbk7:\/persistent-volume# \r\nroot@persistent-deployment-b9db64785-rtbk7:\/persistent-volume# pwd\r\n\/persistent-volume\r\n<\/code><\/pre>\n
\u786e\u8ba4Pod\u81ea\u52a8\u4fee\u590d\u529f\u80fd\u4e0ePV\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/h2>\n
\u5220\u9664\u7b2c\u4e00\u4e2aPod\uff0c\u5e76\u901a\u8fc7ReplicaSet\u89e6\u53d1\u81ea\u52a8\u4fee\u590d\u529f\u80fd\u3002<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl delete pod persistent-deployment-b9db64785-7fq4z\r\npod \"persistent-deployment-b9db64785-7fq4z\" deleted\r\n<\/code><\/pre>\n
\u5c06\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Pod\u3002<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pods -o wide\r\nNAME                                    READY     STATUS    RESTARTS   AGE       IP            NODE\r\npersistent-deployment-b9db64785-rtbk7   1\/1       Running   0          53m       10.244.2.28   sugi-kubernetes110-node02.localdomain\r\npersistent-deployment-b9db64785-vfcd5   1\/1       Running   0          27s       10.244.1.30   sugi-kubernetes110-node01.localdomain\r\n<\/code><\/pre>\n
\u5f53\u60a8\u786e\u8ba4\u5230\u5df2\u7ecf\u8fdb\u884c\u4e86\u81ea\u52a8\u4fee\u590d\u7684Pod\u65f6\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u91cc\u4ecd\u7136\u5728\u4f7f\u7528PV\u3002
\n\u60a8\u53ef\u4ee5\u67e5\u770b\u4e4b\u524d\u521b\u5efa\u7684\u6587\u4ef6\uff0c\u7136\u540e\u518d\u5220\u9664\u5b83\u3002<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl exec -it persistent-deployment-b9db64785-vfcd5 bash\r\nroot@persistent-deployment-b9db64785-vfcd5:\/# ls -la \/persistent-volume\/\r\ntotal 0\r\ndrwxr-xr-x 2 root root 50 Jun  1 06:59 .\r\ndrwxr-xr-x 1 root root 53 Jun  1 07:43 ..\r\n-rw-r--r-- 1 root root  0 Jun  1 06:26 test_from_pod\r\n-rw-r--r-- 1 root root  0 Jun  1 06:59 test_from_pod02\r\n<\/code><\/pre>\n
Deployment\u548cPVC\u4e4b\u95f4\u7684\u5173\u7cfb\u603b\u7ed3<\/h2>\n
\u901a\u8fc7Deployment\u521b\u5efa\u7684Pod\u90fd\u4f1a\u5f15\u7528\u76f8\u540c\u7684PV\u3002
\n\u8fd9\u6b21\u6211\u4eec\u521b\u5efa\u4e86NFS\u4f5c\u4e3aPV\uff0c\u6240\u4ee5\u5141\u8bb8\u4e86ReadWriteAny\uff0c\u5e76\u4e14\u53ef\u4ee5\u4ece\u591a\u4e2aPod\u8fdb\u884c\u6302\u8f7d\u3002
\n\u7136\u800c\uff0c\u4f7f\u7528AWSElasticBlockStore\u6216AWSElasticBlockStore\u65f6\uff0c\u7531\u4e8e\u4e0d\u652f\u6301ReadWriteMany\uff0c\u6240\u4ee5\u9884\u8ba1\u5728\u5c06PV\u4e0eDeployment\u7ed1\u5b9a\u65f6\uff0c\u65e0\u6cd5\u5c06\u526f\u672c\u6570\u91cf\u8bbe\u4e3a2\u6216\u66f4\u591a\u4e2a\u3002<\/p>\n
\"001.png\"<\/div>\n
\u5f53 Pod \u9047\u5230\u6545\u969c\u5e76\u6267\u884c\u4e86\u81ea\u52a8\u4fee\u590d\u64cd\u4f5c\u65f6\uff0c\u5b83\u4ecd\u7136\u80fd\u591f\u7ee7\u7eed\u6302\u8f7d\u76f8\u540c\u7684 PV\u3002<\/p>\n
\"002.png\"<\/div>\n
\u5bf9Persistent Volume\uff08\u6301\u7eed\u5377\uff09\u548cStatefulSet\uff08\u6709\u72b6\u6001\u96c6\uff09\u7684\u5173\u8054\u8fdb\u884c\u9a8c\u8bc1\u3002<\/h1>\n
\u5728NFS\u670d\u52a1\u5668\u4e0a\u5bfc\u51fa\u7528\u4e8ePV\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/h2>\n
\u521b\u5efa\u4e24\u4e2aPod\u4f5c\u4e3aStatefulSet\u3002\u4f5c\u4e3a\u51c6\u5907\uff0c\u6211\u4eec\u9700\u8981\u8bbe\u7f6e\u4e24\u4e2aNFS Export\u4ee5\u521b\u5efa\u4e24\u4e2aPV\u3002<\/p>\n
[root@sugi-nfs mnt]# mkdir \/mnt\/pv002\r\n[root@sugi-nfs mnt]# mkdir \/mnt\/pv003\r\n<\/code><\/pre>\n
[root@sugi-nfs mnt]# vi \/etc\/exports\r\n\/mnt\/pv002 *(rw,async,no_root_squash)\r\n\/mnt\/pv003 *(rw,async,no_root_squash)\r\n<\/code><\/pre>\n
\u91cd\u65b0\u52a0\u8f7d\u5bfc\u51fa\u70b9<\/p>\n
[root@sugi-nfs mnt]# exportfs -ra\r\n[root@sugi-nfs mnt]# exportfs -v\r\n\/mnt\/pv002      <world>(rw,async,wdelay,hide,no_subtree_check,sec=sys,secure,no_root_squash,no_all_squash)\r\n\/mnt\/pv003      <world>(rw,async,wdelay,hide,no_subtree_check,sec=sys,secure,no_root_squash,no_all_squash)\r\n<\/code><\/pre>\n
\u521b\u5efa\u6301\u4e45\u5377<\/h2>\n
cat <<'EOF' > \/root\/kube_yaml\/persistent_volume\/persistent_volume_002.yaml\r\napiVersion: v1\r\nkind: PersistentVolume\r\nmetadata:\r\n  name: pv002\r\nspec:\r\n  capacity:\r\n    storage: 1Gi\r\n  volumeMode: Filesystem\r\n  accessModes:\r\n    - ReadWriteOnce\r\n  persistentVolumeReclaimPolicy: Recycle\r\n  # storageClassName: slow\r\n  mountOptions:\r\n    - hard\r\n  nfs:\r\n    server: 192.168.120.230\r\n    path: \/mnt\/pv002\r\nEOF\r\n<\/code><\/pre>\n
cat <<'EOF' > \/root\/kube_yaml\/persistent_volume\/persistent_volume_003.yaml\r\napiVersion: v1\r\nkind: PersistentVolume\r\nmetadata:\r\n  name: pv003\r\nspec:\r\n  capacity:\r\n    storage: 1Gi\r\n  volumeMode: Filesystem\r\n  accessModes:\r\n    - ReadWriteOnce\r\n  persistentVolumeReclaimPolicy: Recycle\r\n  # storageClassName: slow\r\n  mountOptions:\r\n    - hard\r\n  nfs:\r\n    server: 192.168.120.230\r\n    path: \/mnt\/pv003\r\nEOF\r\n<\/code><\/pre>\n
PV\u3092\u4f5c\u6210\u3057\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl create -f \/root\/kube_yaml\/persistent_volume\/persistent_volume_002.yaml\r\npersistentvolume \"pv002\" created\r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl create -f \/root\/kube_yaml\/persistent_volume\/persistent_volume_003.yaml\r\npersistentvolume \"pv003\" created\r\n<\/code><\/pre>\n
\u786e\u8ba4\u4e00\u4e0b<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pv\r\nNAME      CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM                STORAGECLASS   REASON    AGE\r\npv0001    1Gi        RWO            Recycle          Bound       default\/test-claim   slow                     4h\r\npv002     1Gi        RWO            Recycle          Available                                                 8s\r\npv003     1Gi        RWO            Recycle          Available                                                 6s\r\n<\/code><\/pre>\n
\u521b\u5efa StatefulSet<\/h2>\n
\u5b9a\u4e49 StatefulSet \u7684 YAML<\/p>\n
cat <<'EOF' > \/root\/kube_yaml\/persistent_volume\/persistent_volume_statefulset.yaml\r\napiVersion: apps\/v1\r\nkind: StatefulSet\r\nmetadata:\r\n  name: persistent-stateset\r\nspec:\r\n  serviceName: nginx-service\r\n  replicas: 2\r\n  selector:\r\n    matchLabels:\r\n      app: persistent-stateful\r\n  template:\r\n    metadata:\r\n      labels:\r\n        app: persistent-stateful\r\n    spec:\r\n      containers:\r\n        - name: nginx-container\r\n          image: nginx\r\n          ports:\r\n            - containerPort: 80\r\n          volumeMounts:\r\n          - name: pvc-volume\r\n            mountPath: \/persistent-volume\r\n  volumeClaimTemplates:\r\n  - metadata:\r\n      name: pvc-volume\r\n    spec:\r\n      accessModes:\r\n      - ReadWriteOnce\r\n      volumeMode: Filesystem\r\n      resources:\r\n        requests:\r\n          storage: 1Gi\r\nEOF\r\n<\/code><\/pre>\n
\u521b\u5efaStatefulSet\u3002<\/p>\n
kubectl create -f \/root\/kube_yaml\/persistent_volume\/persistent_volume_statefulset.yaml\r\n<\/code><\/pre>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get statefulset -o wide\r\nNAME                  DESIRED   CURRENT   AGE       CONTAINERS        IMAGES\r\npersistent-stateset   2         2         29s       nginx-container   nginx\r\n<\/code><\/pre>\n
PVC\u662f\u81ea\u52a8\u751f\u6210\u7684\u3002<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pvc -o wide\r\nNAME                               STATUS    VOLUME    CAPACITY   ACCESS MODES   STORAGECLASS   AGE\r\npvc-volume-persistent-stateset-0   Bound     pv002     1Gi        RWO                           1m\r\npvc-volume-persistent-stateset-1   Bound     pv003     1Gi        RWO                           51s\r\ntest-claim                         Bound     pv0001    1Gi        RWO            slow           2h\r\n<\/code><\/pre>\n
PV\u306e\u4e00\u89a7\u3067\u3082\u3001PVC\u306b bound \u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059<\/p>\n
Deployment \u3068\u306f\u9055\u3044\u3001Pod \u3054\u3068\u306b PV \u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pv -o wide\r\nNAME      CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS    CLAIM                                      STORAGECLASS   REASON    AGE\r\npv0001    1Gi        RWO            Recycle          Bound     default\/test-claim                         slow                     4h\r\npv002     1Gi        RWO            Recycle          Bound     default\/pvc-volume-persistent-stateset-0                            18m\r\npv003     1Gi        RWO            Recycle          Bound     default\/pvc-volume-persistent-stateset-1                            18m\r\n<\/code><\/pre>\n
StatefulSet \u306e Pod \u3082\u4f5c\u6210\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pods -o wide\r\nNAME                    READY     STATUS    RESTARTS   AGE       IP            NODE\r\npersistent-stateset-0   1\/1       Running   0          2m        10.244.1.32   sugi-kubernetes110-node01.localdomain\r\npersistent-stateset-1   1\/1       Running   0          2m        10.244.2.31   sugi-kubernetes110-node02.localdomain\r\n<\/code><\/pre>\n
\u901a\u8fc7\u67e5\u770b\u5206\u914d\u7ed9Pod\u7684PVC\uff0c\u53ef\u4ee5\u786e\u5b9aPVC\u5df2\u7ecf\u4e0e\u4e4b\u5173\u8054\u3002<\/p>\n
# kubectl describe pod persistent-stateset-0\r\n\r\nsnip \r\n\r\nVolumes:\r\n  pvc-volume:\r\n    Type:       PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)\r\n    ClaimName:  pvc-volume-persistent-stateset-0\r\n    ReadOnly:   false\r\n  default-token-q65hj:\r\n    Type:        Secret (a volume populated by a Secret)\r\n    SecretName:  default-token-q65hj\r\n    Optional:    false\r\n<\/code><\/pre>\n
# kubectl describe pod persistent-stateset-1\r\n\r\nsnip\r\n\r\nVolumes:\r\n  pvc-volume:\r\n    Type:       PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)\r\n    ClaimName:  pvc-volume-persistent-stateset-1\r\n    ReadOnly:   false\r\n  default-token-q65hj:\r\n    Type:        Secret (a volume populated by a Secret)\r\n    SecretName:  default-token-q65hj\r\n    Optional:    false\r\n<\/code><\/pre>\n
\u305d\u308c\u305e\u308c\u306ePod\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001test file \u3092\u4f5c\u6210\u3057\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl exec -it persistent-stateset-0 bash\r\nroot@persistent-stateset-0:\/# df -h\r\nFilesystem                  Size  Used Avail Use% Mounted on\r\noverlay                      14G  3.5G   10G  26% \/\r\ntmpfs                       1.9G     0  1.9G   0% \/dev\r\ntmpfs                       1.9G     0  1.9G   0% \/sys\/fs\/cgroup\r\n192.168.120.230:\/mnt\/pv002   14G  1.5G   12G  11% \/persistent-volume\r\n\/dev\/mapper\/cl-root          14G  3.5G   10G  26% \/etc\/hosts\r\nshm                          64M     0   64M   0% \/dev\/shm\r\ntmpfs                       1.9G   12K  1.9G   1% \/run\/secrets\/kubernetes.io\/serviceaccount\r\ntmpfs                       1.9G     0  1.9G   0% \/proc\/scsi\r\ntmpfs                       1.9G     0  1.9G   0% \/sys\/firmware\r\nroot@persistent-stateset-0:\/# touch \/persistent-volume\/testfile-frompod-0 \r\nroot@persistent-stateset-0:\/# ls -la \/persistent-volume\/\r\ntotal 0\r\ndrwxr-xr-x 2 root root 32 Jun  1 08:57 .\r\ndrwxr-xr-x 1 root root 65 Jun  1 08:48 ..\r\n-rw-r--r-- 1 root root  0 Jun  1 08:57 testfile-frompod-0\r\n<\/code><\/pre>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl exec -it persistent-stateset-1 bash\r\nroot@persistent-stateset-1:\/# df -h\r\nFilesystem                  Size  Used Avail Use% Mounted on\r\noverlay                      14G  4.1G  9.4G  31% \/\r\ntmpfs                       1.9G     0  1.9G   0% \/dev\r\ntmpfs                       1.9G     0  1.9G   0% \/sys\/fs\/cgroup\r\n192.168.120.230:\/mnt\/pv003   14G  1.5G   12G  11% \/persistent-volume\r\n\/dev\/mapper\/cl-root          14G  4.1G  9.4G  31% \/etc\/hosts\r\nshm                          64M     0   64M   0% \/dev\/shm\r\ntmpfs                       1.9G   12K  1.9G   1% \/run\/secrets\/kubernetes.io\/serviceaccount\r\ntmpfs                       1.9G     0  1.9G   0% \/proc\/scsi\r\ntmpfs                       1.9G     0  1.9G   0% \/sys\/firmware\r\nroot@persistent-stateset-1:\/# touch \/persistent-volume\/testfile-frompod-1\r\nroot@persistent-stateset-1:\/# ls -la \/persistent-volume\/\r\ntotal 0\r\ndrwxr-xr-x 2 root root 32 Jun  1 08:57 .\r\ndrwxr-xr-x 1 root root 53 Jun  1 08:48 ..\r\n-rw-r--r-- 1 root root  0 Jun  1 08:57 testfile-frompod-1\r\n<\/code><\/pre>\n
\u5f53\u60a8\u68c0\u67e5NFS\u670d\u52a1\u5668\u65f6\uff0c\u53ef\u4ee5\u786e\u8ba4\u6bcf\u4e2aExport Point\u90fd\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201ctest file\u201d\u7684\u6587\u4ef6\u3002<\/p>\n
[root@sugi-nfs mnt]# ls -la \/mnt\/pv002\/\r\ntotal 0\r\ndrwxr-xr-x  2 root root 32 Jun  1 17:57 .\r\ndrwxr-xr-x. 5 root root 47 Jun  1 17:10 ..\r\n-rw-r--r--  1 root root  0 Jun  1 17:57 testfile-frompod-0\r\n[root@sugi-nfs mnt]# \r\n[root@sugi-nfs mnt]# ls -la \/mnt\/pv003\/\r\ntotal 0\r\ndrwxr-xr-x  2 root root 32 Jun  1 17:57 .\r\ndrwxr-xr-x. 5 root root 47 Jun  1 17:10 ..\r\n-rw-r--r--  1 root root  0 Jun  1 17:57 testfile-frompod-1\r\n<\/code><\/pre>\n
Pod \u3092\u30aa\u30fc\u30c8\u30d2\u30fc\u30ea\u30f3\u30b0\u3057\u305f\u3068\u304d\u306ePV\u3068\u306e\u95a2\u4fc2\u3092\u78ba\u8a8d<\/h2>\n
Pod\u306e1\u500b\u76ee\u3092\u524a\u9664\u3057\u3066\u3001StatefulSet \u306b\u3088\u308a\u30aa\u30fc\u30c8\u30d2\u30fc\u30ea\u30f3\u30b0\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u5728\u5220\u9664\u540e\u7acb\u5373\u786e\u8ba4\u54ea\u4e2aPod\u8fdb\u884c\u4e86\u81ea\u52a8\u6cbb\u6108\u3002<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl delete pod persistent-stateset-0\r\npod \"persistent-stateset-0\" deleted\r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# \r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pod\r\nNAME                    READY     STATUS        RESTARTS   AGE\r\npersistent-stateset-0   0\/1       Terminating   0          14m\r\npersistent-stateset-1   1\/1       Running       0          14m\r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# \r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pod\r\nNAME                    READY     STATUS        RESTARTS   AGE\r\npersistent-stateset-0   0\/1       Terminating   0          14m\r\npersistent-stateset-1   1\/1       Running       0          14m\r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# \r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pod\r\nNAME                    READY     STATUS        RESTARTS   AGE\r\npersistent-stateset-0   0\/1       Terminating   0          14m\r\npersistent-stateset-1   1\/1       Running       0          14m\r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# \r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pod\r\nNAME                    READY     STATUS    RESTARTS   AGE\r\npersistent-stateset-0   0\/1       Pending   0          0s\r\npersistent-stateset-1   1\/1       Running   0          14m\r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# \r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pod\r\nNAME                    READY     STATUS              RESTARTS   AGE\r\npersistent-stateset-0   0\/1       ContainerCreating   0          2s\r\npersistent-stateset-1   1\/1       Running             0          14m\r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# \r\n[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl get pod\r\nNAME                    READY     STATUS              RESTARTS   AGE\r\npersistent-stateset-0   0\/1       ContainerCreating   0          3s\r\npersistent-stateset-1   1\/1       Running             0          14m\r\n<\/code><\/pre>\n
\u30aa\u30fc\u30c8\u30d2\u30fc\u30ea\u30f3\u30b0\u3055\u308c\u305fPod\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3053\u3061\u3089\u3067\u3082\u5f15\u304d\u7d9a\u304d PV \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002
\n\u524a\u9664\u524d\u306b\u4f5c\u3063\u3066\u3044\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059<\/p>\n
[root@sugi-kubernetes110-master01 ~(default kubernetes-admin)]# kubectl exec -it persistent-stateset-0 bash\r\nroot@persistent-stateset-0:\/# ls -la \/persistent-volume\/\r\ntotal 0\r\ndrwxr-xr-x 2 root root 32 Jun  1 08:57 .\r\ndrwxr-xr-x 1 root root 53 Jun  1 09:02 ..\r\n-rw-r--r-- 1 root root  0 Jun  1 08:57 testfile-frompod-0\r\n<\/code><\/pre>\n
StatefulSet \u3068 PVC \u306e\u95a2\u4fc2\u307e\u3068\u3081<\/h2>\n
StatefulSet \u3067\u4f5c\u6210\u3055\u308c\u305f Pod \u306f\u3001\u305d\u308c\u305e\u308c\u5358\u4e00\u306e PV \u3092\u30de\u30a6\u30f3\u30c8\u3057\u3066\u3044\u307e\u3059
\nDeployment \u3067\u306f\u3001\u5168\u3066\u306ePod\u30671\u500b\u306ePV \u3092\u30de\u30a6\u30f3\u30c8\u3057\u3066\u3044\u308b\u9055\u3044\u304c\u3042\u308a\u307e\u3059<\/p>\n
\"003.png\"<\/div>\n
\u5f53Pod\u53d1\u751f\u6545\u969c\u5e76\u6267\u884c\u81ea\u52a8\u6062\u590d\u65f6\uff0c\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u6302\u8f7d\u76f8\u540c\u7684\u6301\u4e45\u5316\u5377\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6301\u4e45\u6027\u3002<\/p>\n
\"004.png\"<\/div>\n
\u8bf7\u63d0\u4f9b\u53c2\u8003\u7f51\u5740\u3002<\/h1>\n","protected":false},"excerpt":{"rendered":"
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