{"id":26982,"date":"2022-12-28T18:15:23","date_gmt":"2022-11-02T00:55:13","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8persistent-volumes%e6%95%99%e7%a8%8b%e3%80%82\/"},"modified":"2025-08-12T00:07:03","modified_gmt":"2025-08-11T16:07:03","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8persistent-volumes%e6%95%99%e7%a8%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8persistent-volumes%e6%95%99%e7%a8%8b%e3%80%82\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528Persistent Volumes\u6559\u7a0b"},"content":{"rendered":"<p>\u5c1d\u8bd5\u4ee5\u4e0b\u6559\u7a0b\u65f6\u7684\u7b14\u8bb0\u3002<\/p>\n<p>\u90e8\u7f72\u4f7f\u7528\u6301\u4e45\u5377\u7684WordPress\u548cMySQL\u3002<\/p>\n<h1>\u81ea\u7136\u6c1b\u570d<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30af\u30e9\u30b9\u30bf\u30fc\u4f5c\u6210\u6e08\u307f(minikube \u3067\u306f\u306a\u3044\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">kubectl \u30b3\u30de\u30f3\u30c9\u8a2d\u5b9a\u6e08\u307f<\/ul>\n<pre class=\"post-pre\"><code><span class=\"c\"># \u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831<\/span>\r\n<span class=\"nv\">$kubectl<\/span> version\r\nClient Version: version.Info<span class=\"o\">{<\/span>Major:<span class=\"s2\">\"1\"<\/span>, Minor:<span class=\"s2\">\"10\"<\/span>, GitVersion:<span class=\"s2\">\"v1.10.3\"<\/span>, GitCommit:<span class=\"s2\">\"2bba0127d85d5a46ab4b778548be28623b32d0b0\"<\/span>, GitTreeState:<span class=\"s2\">\"clean\"<\/span>, BuildDate:<span class=\"s2\">\"2018-05-28T20:03:09Z\"<\/span>, GoVersion:<span class=\"s2\">\"go1.9.3\"<\/span>, Compiler:<span class=\"s2\">\"gc\"<\/span>, Platform:<span class=\"s2\">\"darwin\/amd64\"<\/span><span class=\"o\">}<\/span>\r\nServer Version: version.Info<span class=\"o\">{<\/span>Major:<span class=\"s2\">\"1\"<\/span>, Minor:<span class=\"s2\">\"10\"<\/span>, GitVersion:<span class=\"s2\">\"v1.10.3\"<\/span>, GitCommit:<span class=\"s2\">\"2bba0127d85d5a46ab4b778548be28623b32d0b0\"<\/span>, GitTreeState:<span class=\"s2\">\"clean\"<\/span>, BuildDate:<span class=\"s2\">\"2018-05-28T20:13:43Z\"<\/span>, GoVersion:<span class=\"s2\">\"go1.9.3\"<\/span>, Compiler:<span class=\"s2\">\"gc\"<\/span>, Platform:<span class=\"s2\">\"linux\/amd64\"<\/span><span class=\"o\">}<\/span>\r\n\r\n<span class=\"c\"># \u30ce\u30fc\u30c9\u3082\u30af\u30e9\u30b9\u30bf\u30fc\u306b\u53c2\u52a0\u6e08\u307f<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get nodes\r\nNAME                                           STATUS    ROLES     AGE       VERSION\r\nip-192-168-111-32.us-west-2.compute.internal   Ready     &lt;none&gt;    40d       v1.10.3\r\nip-192-168-150-4.us-west-2.compute.internal    Ready     &lt;none&gt;    40d       v1.10.3\r\nip-192-168-194-26.us-west-2.compute.internal   Ready     &lt;none&gt;    40d       v1.10.3\r\n\r\n<\/code><\/pre>\n<h1>\u8bd5\u4e00\u8bd5<\/p>\n<h2>\u5f00\u59cb\u4e4b\u524d\u7531\u4e8e\u672c\u7ae0\u7684\u4e3b\u8981\u5185\u5bb9\u662f\u8981\u6c42\u521b\u5efa\u4e00\u4e2a\u96c6\u7fa4\uff0c\u8bf7\u7565\u8fc7\u672c\u6b21\u4efb\u52a1\uff0c\u56e0\u4e3a\u5df2\u7ecf\u63d0\u524d\u51c6\u5907\u597d\u4e86\u3002<\/p>\n<h2>\u521b\u5efa\u6301\u4e45\u5316\u5377\u58f0\u660e\u548c\u6301\u4e45\u5316\u5377<\/p>\n<blockquote><p>\u8bb8\u591a\u7fa4\u96c6\u73af\u5883\u90fd\u9884\u88c5\u6709\u9ed8\u8ba4\u7684StorageClass\u3002\u5f53PersistentVolumeClaim\u4e2d\u6ca1\u6709\u6307\u5b9aStorageClass\u65f6\uff0c\u5c06\u4f7f\u7528\u7fa4\u96c6\u7684\u9ed8\u8ba4StorageClass\u4ee3\u66ff\u3002<\/p><\/blockquote>\n<p>\u5982\u679c\u5728PersistentVolumeClaim\u4e2d\u6ca1\u6709\u63d0\u53caStorageClass\uff0c\u5c31\u4f1a\u4f7f\u7528\u9ed8\u8ba4\u7684StorageClass\u6765\u8fdb\u884c\u8d44\u6e90\u4f9b\u5e94\u3002\u8bf7\u68c0\u67e5\u9ed8\u8ba4\u7684StorageClass\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># StorageClass \u304c2\u3064\u5b9a\u7fa9\u3055\u308c\u3066\u304a\u308a\u3001\u300cgp2\u300d\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3068\u306a\u3063\u3066\u3044\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get storageclass\r\nNAME            PROVISIONER             AGE\r\ngp2 <span class=\"o\">(<\/span>default<span class=\"o\">)<\/span>   kubernetes.io\/aws-ebs   6d\r\ngp2-2           kubernetes.io\/aws-ebs   4d\r\n<\/code><\/pre>\n<p>\u6211\u5df2\u786e\u8ba4\u5728\u6211\u7684\u73af\u5883\u4e2d\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u9ed8\u8ba4\u7684 StorageClass\uff0c\u6240\u4ee5\u53ef\u4ee5\u7ee7\u7eed\u8fdb\u884c\u4e0b\u53bb\u3002<\/p>\n<h2>\u521b\u5efa\u4e00\u4e2aMySQL\u5bc6\u7801\u7684\u79d8\u5bc6\u521b\u5efa\u7528\u4e8eMySQL\u5bc6\u7801\u7684Secrets\u3002<br \/>\n\u4ee5\u4e0b\u662fSecret\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># secret \u3092\u4f5c\u6210\u3059\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> create secret generic mysql-pass <span class=\"nt\">--from-literal<\/span><span class=\"o\">=<\/span><span class=\"nv\">password<\/span><span class=\"o\">=<\/span>YOUR_PASSWORD\r\nsecret <span class=\"s2\">\"mysql-pass\"<\/span> created\r\n\r\n<span class=\"c\"># mysql-pass \u3068\u3044\u3046 secret \u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u70b9\u3092\u78ba\u8a8d<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get secrets\r\nNAME                  TYPE                                  DATA      AGE\r\ndefault-token-9jhrf   kubernetes.io\/service-account-token   3         41d\r\nmysql-pass            Opaque                                1         21s\r\n\r\n<\/code><\/pre>\n<h2>\u90e8\u7f72MySQL<br \/>\n\u90e8\u7f72MySQL<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Service<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress-mysql<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">3306<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n    <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n  <span class=\"na\">clusterIP<\/span><span class=\"pi\">:<\/span> <span class=\"s\">None<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">PersistentVolumeClaim<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-pv-claim<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">accessModes<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">ReadWriteOnce<\/span>\r\n  <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">requests<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">storage<\/span><span class=\"pi\">:<\/span> <span class=\"s\">20Gi<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">apps\/v1<\/span> <span class=\"c1\"># for versions before 1.9.0 use apps\/v1beta2<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Deployment<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress-mysql<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n      <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n  <span class=\"na\">strategy<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Recreate<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n        <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n    <span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql:5.6<\/span>\r\n        <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">MYSQL_ROOT_PASSWORD<\/span>\r\n          <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">secretKeyRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-pass<\/span>\r\n              <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">password<\/span>\r\n        <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">3306<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql<\/span>\r\n        <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-persistent-storage<\/span>\r\n          <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/lib\/mysql<\/span>\r\n      <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-persistent-storage<\/span>\r\n        <span class=\"na\">persistentVolumeClaim<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">claimName<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-pv-claim<\/span>\r\n\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Service, PersistentVolumeClaim, Deployment\u3092 kind \u3067\u5b9a\u7fa9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u74b0\u5883\u5909\u6570\u3067\u5148\u307b\u3069\u4f5c\u6210\u3057\u305f secret \u306e\u300cMYSQL_ROOT_PASSWORD\u300d\u3092\u5229\u7528<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">PersistentVolumeClaim \u3092\u5b9a\u7fa9\u3057\u300120GB \u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u8981\u6c42\u3002\u307e\u305f\u3001MySQL \u3067\u306f PersistentVolume \u3092\u300c\/var\/lib\/mysql\u300d\u306b\u30de\u30a6\u30f3\u30c8\u3059\u308b<\/ul>\n<p>\u90a3\u4e48\u5c31\u5f00\u59cb\u90e8\u7f72\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># Service, PersistentVolumeClaim, Deployment\u3092\u4f5c\u6210<\/span>\r\n<span class=\"nv\">$kubectl<\/span> create <span class=\"nt\">-f<\/span> https:\/\/k8s.io\/examples\/application\/wordpress\/mysql-deployment.yaml\r\nservice <span class=\"s2\">\"wordpress-mysql\"<\/span> created\r\npersistentvolumeclaim <span class=\"s2\">\"mysql-pv-claim\"<\/span> created\r\ndeployment.apps <span class=\"s2\">\"wordpress-mysql\"<\/span> created\r\n\r\n<span class=\"c\"># PersistentVolumeClaim \u306e\u4f5c\u6210\u3092\u78ba\u8a8d<\/span>\r\n<span class=\"nv\">$ <\/span>kubectl get pvc\r\nNAME             STATUS    VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE\r\nmysql-pv-claim   Bound     pvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c   20Gi       RWO            gp2            17s\r\n\r\n<span class=\"c\"># PersistentVolume \u306e\u4f5c\u6210\u3082\u78ba\u8a8d\u3002CLAIM \u5217\u304c\u300cmysql-pv-claim\u300d\u3068\u306a\u3063\u3066\u3044\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get pv\r\nNAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS    CLAIM                    STORAGECLASS   REASON    AGE\r\npvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c   20Gi       RWO            Retain           Bound     default\/mysql-pv-claim   gp2                      1m\r\n\r\n<span class=\"c\"># \u30c7\u30d7\u30ed\u30a4\u3057\u305f\u306e\u3067 MySQL \u306e Pod \u306e\u8d77\u52d5\u3082\u78ba\u8a8d<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get pods\r\nNAME                              READY     STATUS    RESTARTS   AGE\r\nwordpress-mysql-bcc89f687-bjb6g   1\/1       Running   0          2m\r\n\r\n<span class=\"c\"># descibe \u30b3\u30de\u30f3\u30c9\u3067\u8a73\u7d30\u3092\u898b\u308b\u3068\u30dc\u30ea\u30e5\u30fc\u30e0\u304c\u30a2\u30bf\u30c3\u30c1\u3055\u308c\u305f\u3053\u3068\u304c\u78ba\u8a8d\u51fa\u6765\u308b\u3002<\/span>\r\n<span class=\"nv\">$kubectl<\/span> describe pods wordpress-mysql-bcc89f687-bjb6g |less\r\n\r\n<span class=\"o\">(<\/span>\u4e00\u90e8\u7701\u7565<span class=\"o\">)<\/span>\r\nEvents:\r\n  Type     Reason                  Age              From                                                   Message\r\n  <span class=\"nt\">----<\/span>     <span class=\"nt\">------<\/span>                  <span class=\"nt\">----<\/span>             <span class=\"nt\">----<\/span>                                                   <span class=\"nt\">-------<\/span>\r\n  Warning  FailedScheduling        6m <span class=\"o\">(<\/span>x5 over 6m<span class=\"o\">)<\/span>  default-scheduler                                      pod has unbound PersistentVolumeClaims <span class=\"o\">(<\/span>repeated 3 <span class=\"nb\">times<\/span><span class=\"o\">)<\/span>\r\n  Normal   Scheduled               6m               default-scheduler                                      Successfully assigned wordpress-mysql-bcc89f687-bjb6g to ip-192-168-194-26.us-west-2.compute.internal\r\n  Normal   SuccessfulMountVolume   6m               kubelet, ip-192-168-194-26.us-west-2.compute.internal  MountVolume.SetUp succeeded <span class=\"k\">for <\/span>volume <span class=\"s2\">\"default-token-9jhrf\"<\/span>\r\n  Normal   SuccessfulAttachVolume  6m               attachdetach-controller                                AttachVolume.Attach succeeded <span class=\"k\">for <\/span>volume <span class=\"s2\">\"pvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c\"<\/span>\r\n  Normal   SuccessfulMountVolume   6m               kubelet, ip-192-168-194-26.us-west-2.compute.internal  MountVolume.SetUp succeeded <span class=\"k\">for <\/span>volume <span class=\"s2\">\"pvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c\"<\/span>\r\n  Normal   Pulled                  6m               kubelet, ip-192-168-194-26.us-west-2.compute.internal  Container image <span class=\"s2\">\"mysql:5.6\"<\/span> already present on machine\r\n  Normal   Created                 6m               kubelet, ip-192-168-194-26.us-west-2.compute.internal  Created container\r\n  Normal   Started                 6m               kubelet, ip-192-168-194-26.us-west-2.compute.internal  Started container\r\n\r\n<span class=\"c\"># \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u78ba\u8a8d\u3002xvdf \u304c\u898b\u3048\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>lsblk\r\nNAME    MAJ:MIN   RM SIZE RO TYPE MOUNTPOINT\r\nxvda    202:0      0  20G  0 disk\r\n\u2514\u2500xvda1 202:1      0  20G  0 part \/\r\nxvdbf   202:14592  0  20G  0 disk \/var\/lib\/kubelet\/pods\/cfebfda3-897d-11e8-a565-\r\n\r\n<span class=\"c\"># dokcer inspect \u3067\u898b\u308b\u3068 \/varlib\/mysql \u3068\u3057\u3066 xvdf \u304c\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308b<\/span>\r\n<span class=\"nv\">$docker<\/span> inspect 1a25629da4ca |less\r\n<span class=\"o\">(<\/span>\u4e00\u90e8\u7701\u7565<span class=\"o\">)<\/span>\r\n            <span class=\"s2\">\"Mounts\"<\/span>: <span class=\"o\">[<\/span>\r\n            <span class=\"o\">{<\/span>\r\n                <span class=\"s2\">\"Type\"<\/span>: <span class=\"s2\">\"bind\"<\/span>,\r\n                <span class=\"s2\">\"Source\"<\/span>: <span class=\"s2\">\"\/var\/lib\/kubelet\/pods\/cfebfda3-897d-11e8-a565-06fc7dc53c2c\/volumes\/kubernetes.io~aws-ebs\/pvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c\"<\/span>,\r\n                <span class=\"s2\">\"Destination\"<\/span>: <span class=\"s2\">\"\/var\/lib\/mysql\"<\/span>,\r\n                <span class=\"s2\">\"Mode\"<\/span>: <span class=\"s2\">\"\"<\/span>,\r\n                <span class=\"s2\">\"RW\"<\/span>: <span class=\"nb\">true<\/span>,\r\n                <span class=\"s2\">\"Propagation\"<\/span>: <span class=\"s2\">\"rprivate\"<\/span>\r\n            <span class=\"o\">}<\/span>,\r\n\r\n\r\n<\/code><\/pre>\n<p>\u770b\u8d77\u6765\u4e0d\u9519\uff0c\u6211\u51b3\u5b9a\u7ee7\u7eed\u4e0b\u4e00\u6b65\u3002<\/p>\n<h2>\u90e8\u7f72WordPress<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Service<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"na\">port<\/span><span class=\"pi\">:<\/span> <span class=\"m\">80<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n    <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">frontend<\/span>\r\n  <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">LoadBalancer<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">v1<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">PersistentVolumeClaim<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wp-pv-claim<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">accessModes<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"pi\">-<\/span> <span class=\"s\">ReadWriteOnce<\/span>\r\n  <span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">requests<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">storage<\/span><span class=\"pi\">:<\/span> <span class=\"s\">20Gi<\/span>\r\n<span class=\"nn\">---<\/span>\r\n<span class=\"na\">apiVersion<\/span><span class=\"pi\">:<\/span> <span class=\"s\">apps\/v1<\/span> <span class=\"c1\"># for versions before 1.9.0 use apps\/v1beta2<\/span>\r\n<span class=\"na\">kind<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Deployment<\/span>\r\n<span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n  <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n<span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">matchLabels<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n      <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">frontend<\/span>\r\n  <span class=\"na\">strategy<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">Recreate<\/span>\r\n  <span class=\"na\">template<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">metadata<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">labels<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">app<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n        <span class=\"na\">tier<\/span><span class=\"pi\">:<\/span> <span class=\"s\">frontend<\/span>\r\n    <span class=\"na\">spec<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">containers<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress:4.8-apache<\/span>\r\n        <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n        <span class=\"na\">env<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">WORDPRESS_DB_HOST<\/span>\r\n          <span class=\"na\">value<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress-mysql<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">WORDPRESS_DB_PASSWORD<\/span>\r\n          <span class=\"na\">valueFrom<\/span><span class=\"pi\">:<\/span>\r\n            <span class=\"na\">secretKeyRef<\/span><span class=\"pi\">:<\/span>\r\n              <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mysql-pass<\/span>\r\n              <span class=\"na\">key<\/span><span class=\"pi\">:<\/span> <span class=\"s\">password<\/span>\r\n        <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">containerPort<\/span><span class=\"pi\">:<\/span> <span class=\"m\">80<\/span>\r\n          <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress<\/span>\r\n        <span class=\"na\">volumeMounts<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress-persistent-storage<\/span>\r\n          <span class=\"na\">mountPath<\/span><span class=\"pi\">:<\/span> <span class=\"s\">\/var\/www\/html<\/span>\r\n      <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wordpress-persistent-storage<\/span>\r\n        <span class=\"na\">persistentVolumeClaim<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">claimName<\/span><span class=\"pi\">:<\/span> <span class=\"s\">wp-pv-claim<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Service, PersistentVolumeClaim, Deployment\u3092 kind \u3067\u5b9a\u7fa9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">PersistentVolumeClaim \u3092\u5b9a\u7fa9\u3057\u300120GB \u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u8981\u6c42\u3002\u307e\u305f\u3001WordPress \u3067\u306f PersistentVolume \u3092\u300c\/var\/www\/html\u300d\u306b\u30de\u30a6\u30f3\u30c8\u3059\u308b<\/ul>\n<p>\u90e8\u7f72\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># Service, PersistentVolumeClaim, Deployment\u3092\u4f5c\u6210<\/span>\r\n<span class=\"nv\">$kubectl<\/span> create <span class=\"nt\">-f<\/span> https:\/\/k8s.io\/examples\/application\/wordpress\/wordpress-deployment.yaml\r\nservice <span class=\"s2\">\"wordpress\"<\/span> created\r\npersistentvolumeclaim <span class=\"s2\">\"wp-pv-claim\"<\/span> created\r\ndeployment.apps <span class=\"s2\">\"wordpress\"<\/span> created\r\n\r\n<span class=\"c\"># wp-pv-claim \u304c\u5897\u3048\u3066\u3044\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>kubectl get pvc\r\nNAME             STATUS    VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS   AGE\r\nmysql-pv-claim   Bound     pvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c   20Gi       RWO            gp2            26m\r\nwp-pv-claim      Bound     pvc-6ad87529-8981-11e8-971c-022ca775d168   20Gi       RWO            gp2            29s\r\n\r\n<span class=\"c\"># pv \u3082\u5897\u3048\u3066\u3044\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get pv\r\nNAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS    CLAIM                    STORAGECLASS   REASON    AGE\r\npvc-6ad87529-8981-11e8-971c-022ca775d168   20Gi       RWO            Retain           Bound     default\/wp-pv-claim      gp2                      4m\r\npvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c   20Gi       RWO            Retain           Bound     default\/mysql-pv-claim   gp2                      30m\r\n\r\n\r\n<span class=\"c\"># service \u306e URL \u3092\u53d6\u5f97<\/span>\r\n<span class=\"nv\">$ <\/span>kubectl describe services wordpress\r\nName:                     wordpress\r\nNamespace:                default\r\nLabels:                   <span class=\"nv\">app<\/span><span class=\"o\">=<\/span>wordpress\r\nAnnotations:              &lt;none&gt;\r\nSelector:                 <span class=\"nv\">app<\/span><span class=\"o\">=<\/span>wordpress,tier<span class=\"o\">=<\/span>frontend\r\nType:                     LoadBalancer\r\nIP:                       10.100.124.11\r\nLoadBalancer Ingress:     a6ac6da84898111e8971c022ca775d16-182335252.us-west-2.elb.amazonaws.com\r\nPort:                     &lt;<span class=\"nb\">unset<\/span><span class=\"o\">&gt;<\/span>  80\/TCP\r\nTargetPort:               80\/TCP\r\nNodePort:                 &lt;<span class=\"nb\">unset<\/span><span class=\"o\">&gt;<\/span>  30000\/TCP\r\nEndpoints:                192.168.191.64:80\r\nSession Affinity:         None\r\nExternal Traffic Policy:  Cluster\r\nEvents:\r\n  Type    Reason                Age   From                Message\r\n  <span class=\"nt\">----<\/span>    <span class=\"nt\">------<\/span>                <span class=\"nt\">----<\/span>  <span class=\"nt\">----<\/span>                <span class=\"nt\">-------<\/span>\r\n  Normal  EnsuringLoadBalancer  2m    service-controller  Ensuring load balancer\r\n  Normal  EnsuredLoadBalancer   2m    service-controller  Ensured load balancer\r\n\r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee&#8221;http:\/\/a6ac6da84898111e8971c022ca775d16-182335252.us-west-2.elb.amazonaws.com\/&#8221;\u65f6\uff0c\u4f1a\u663e\u793aWordPress\u754c\u9762\u3002<\/p>\n<h2>\u6e05\u7406\u5e72\u51c0<br \/>\n\u6aa2\u8a3c\u5b8c\u6210\u5f8c\uff0c\u8acb\u522a\u9664\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># secret \u3092\u524a\u9664\u3059\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> delete secret mysql-pass\r\nsecret <span class=\"s2\">\"mysql-pass\"<\/span> deleted\r\n\r\n<span class=\"c\"># deploymnet \u3068 service \u3092\u524a\u9664\u3059\u308b -l \u306f Selector (label query)\u3002\u3069\u3061\u3089\u306b\u3082 app=wordpress \u306e\u30e9\u30d9\u30eb\u4ed8\u304c\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u524a\u9664\u3067\u304d\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> delete deployment <span class=\"nt\">-l<\/span> <span class=\"nv\">app<\/span><span class=\"o\">=<\/span>wordpress\r\ndeployment.extensions <span class=\"s2\">\"wordpress\"<\/span> deleted\r\ndeployment.extensions <span class=\"s2\">\"wordpress-mysql\"<\/span> deleted\r\n<span class=\"nv\">$kubectl<\/span> delete service <span class=\"nt\">-l<\/span> <span class=\"nv\">app<\/span><span class=\"o\">=<\/span>wordpress\r\nservice <span class=\"s2\">\"wordpress\"<\/span> deleted\r\nservice <span class=\"s2\">\"wordpress-mysql\"<\/span> deleted\r\n\r\n<span class=\"c\"># \u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u305f PersistentVolumeClaims \u3082\u524a\u9664<\/span>\r\n<span class=\"nv\">$kubectl<\/span> delete pvc <span class=\"nt\">-l<\/span> <span class=\"nv\">app<\/span><span class=\"o\">=<\/span>wordpress\r\npersistentvolumeclaim <span class=\"s2\">\"mysql-pv-claim\"<\/span> deleted\r\npersistentvolumeclaim <span class=\"s2\">\"wp-pv-claim\"<\/span> deleted\r\n\r\n<span class=\"c\"># pvc \u306f\u524a\u9664\u3055\u308c\u305f<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get pvc\r\nNo resources found.\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u5728\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u7684 StorageClass \u4e2d\uff0c\u5982\u679c\u7b56\u7565\u662f\u201c\u4fdd\u7559\u201d\uff0c\u5373\u4f7f\u5220\u9664\u4e86pvc\uff0cpv\u4ecd\u7136\u5b58\u5728\u3002<br \/>\n\u8fd9\u53ef\u4ee5\u901a\u8fc7\u66f4\u6539pv\u7684\u7b56\u7565\u6765\u89e3\u51b3\u3002<\/p>\n<p>\u4fee\u6539\u6301\u4e45\u5377\u7684\u56de\u6536\u7b56\u7565<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># POLICY \u304c Retain \u306a\u306e\u3067 pvc \u304c\u306a\u304f\u3066\u3082\u6b8b\u3063\u3066\u3044\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get pv\r\nNAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS     CLAIM                    STORAGECLASS   REASON    AGE\r\npvc-6ad87529-8981-11e8-971c-022ca775d168   20Gi       RWO            Retain           Released   default\/wp-pv-claim      gp2                      11m\r\npvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c   20Gi       RWO            Retain           Released   default\/mysql-pv-claim   gp2                      37m\r\n\r\n<span class=\"c\"># patch \u3067 poilicy \u3092\u5909\u3048\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> patch pv pvc-6ad87529-8981-11e8-971c-022ca775d168 <span class=\"nt\">-p<\/span> <span class=\"s1\">'{\"spec\": {\"persistentVolumeReclaimPolicy\":\"Delete\"}}'<\/span>\r\n\r\npersistentvolume <span class=\"s2\">\"pvc-6ad87529-8981-11e8-971c-022ca775d168\"<\/span> patched\r\n\r\n\r\n<span class=\"c\"># \u65e2\u306b pvc \u304c\u306a\u3044\u306e\u3067\u524a\u9664\u3055\u308c\u308b<\/span>\r\n<span class=\"nv\">$kubectl<\/span> get pv\r\nNAME                                       CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS     CLAIM                    STORAGECLASS   REASON    AGE\r\npvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c   20Gi       RWO            Retain           Released   default\/mysql-pv-claim   gp2                      41m\r\n\r\n<span class=\"c\"># \u540c\u3058\u3088\u3046\u306b\u5bfe\u5fdc<\/span>\r\n<span class=\"nv\">$ <\/span>kubectl patch pv pvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c <span class=\"nt\">-p<\/span> <span class=\"s1\">'{\"spec\": {\"persistentVolumeReclaimPolicy\":\"Delete\"}}'<\/span>\r\n\r\npersistentvolume <span class=\"s2\">\"pvc-cfd92d33-897d-11e8-a565-06fc7dc53c2c\"<\/span> patched\r\n\r\n<span class=\"nv\">$kubectl<\/span> get pv\r\nNo resources found.\r\n<\/code><\/pre>\n<p>\u7ed3\u675f\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c1d\u8bd5\u4ee5\u4e0b\u6559\u7a0b\u65f6\u7684\u7b14\u8bb0\u3002 \u90e8\u7f72\u4f7f\u7528\u6301\u4e45\u5377\u7684WordPress\u548cMySQL\u3002 \u81ea\u7136\u6c1b\u570d \u30af\u30e9\u30b9\u30bf\u30fc\u4f5c\u6210\u6e08\u307f(min [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-26982","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5c1d\u8bd5\u4f7f\u7528Persistent Volumes\u6559\u7a0b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5c1d\u8bd5\u4f7f\u7528Persistent Volumes\u6559\u7a0b\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5c1d\u8bd5\u4f7f\u7528persistent-volumes\u6559\u7a0b\u3002\/\" \/>\n<meta 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