{"id":93038,"date":"2026-08-11T17:56:52","date_gmt":"2026-08-11T09:56:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/93038.html"},"modified":"2026-08-11T17:56:52","modified_gmt":"2026-08-11T09:56:52","slug":"kubernetes-volume-%e5%ae%8c%e6%95%b4%e5%ae%9e%e6%88%98%ef%bc%9apv-pvc%e3%80%81%e5%ad%98%e5%82%a8%e5%8d%b7%e7%b1%bb%e5%9e%8b%e4%b8%8e%e6%8c%81%e4%b9%85%e5%8c%96%e5%ad%98%e5%82%a8%e5%85%a8%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/93038.html","title":{"rendered":"Kubernetes Volume \u5b8c\u6574\u5b9e\u6218\uff1aPV\/PVC\u3001\u5b58\u50a8\u5377\u7c7b\u578b\u4e0e\u6301\u4e45\u5316\u5b58\u50a8\u5168\u89e3\u6790"},"content":{"rendered":"<\/p>\n<h4>Kubernetes Volume \u5b8c\u6574\u5b9e\u6218&#xff1a;PV\/PVC\u3001\u5b58\u50a8\u5377\u7c7b\u578b\u4e0e\u6301\u4e45\u5316\u5b58\u50a8\u5168\u89e3\u6790<\/h4>\n<ul>\n<li>Kubernetes Volume<\/li>\n<li>\n<ul>\n<li>\u73af\u5883\u51c6\u5907<\/li>\n<li>Volume \u7c7b\u578b<\/li>\n<li>emptyDir<\/li>\n<li>hostPath<\/li>\n<li>NFS \u5b58\u50a8<\/li>\n<li>\u6301\u4e45\u6027\u5b58\u50a8<\/li>\n<li>\n<ul>\n<li>PV \u548c PVC \u67b6\u6784<\/li>\n<li>\u521b\u5efa PV \u548c PVC<\/li>\n<li>\n<ul>\n<li>\u521b\u5efa PV<\/li>\n<li>\u521b\u5efa PVC<\/li>\n<li>\u521b\u5efaPod\u4f7f\u7528PV<\/li>\n<\/ul>\n<\/li>\n<li>PV accessModes<\/li>\n<li>PV volumeModes<\/li>\n<li>PVC\u4e0ePV\u5339\u914d\u89c4\u5219<\/li>\n<li>PV \u56de\u6536\u7b56\u7565<\/li>\n<li>\n<ul>\n<li>Retain&#xff08;\u4fdd\u7559&#xff09;<\/li>\n<li>Recycle&#xff08;\u56de\u6536&#xff09;<\/li>\n<li>Delete&#xff08;\u5220\u9664&#xff09;<\/li>\n<li>\u601d\u8003<\/li>\n<\/ul>\n<\/li>\n<li>PV \u5377\u7684\u7c7b\u578b<\/li>\n<li>\u539f\u59cb\u5757\u5377\u652f\u6301<\/li>\n<\/ul>\n<\/li>\n<li>\u73af\u5883\u6e05\u7406<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Kubernetes Volume<\/h2>\n<p>\u6458\u8981&#xff1a; \u672c\u6587\u5168\u9762\u4ecb\u7ecd\u4e86 Kubernetes \u4e2d\u7684 Volume&#xff08;\u5377&#xff09;\u6982\u5ff5\u4e0e\u5b9e\u8df5\u3002\u9996\u5148\u6982\u8ff0\u4e86 Kubernetes \u652f\u6301\u7684\u5404\u79cd Volume \u7c7b\u578b&#xff0c;\u5305\u62ec emptyDir\u3001hostPath\u3001NFS \u7b49&#xff0c;\u5e76\u901a\u8fc7\u5177\u4f53\u5b9e\u9a8c\u6f14\u793a\u4e86\u5b83\u4eec\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u7279\u6027\u3002\u91cd\u70b9\u6df1\u5165\u8bb2\u89e3\u4e86\u6301\u4e45\u6027\u5b58\u50a8\u67b6\u6784&#xff0c;\u8be6\u7ec6\u89e3\u6790\u4e86 PersistentVolume&#xff08;PV&#xff09;\u548c PersistentVolumeClaim&#xff08;PVC&#xff09;\u7684\u5de5\u4f5c\u539f\u7406\u3001\u521b\u5efa\u6d41\u7a0b\u3001\u5339\u914d\u89c4\u5219\u4ee5\u53ca\u56de\u6536\u7b56\u7565&#xff08;Retain\u3001Recycle\u3001Delete&#xff09;\u3002\u6587\u7ae0\u8fd8\u6db5\u76d6\u4e86 PV \u7684\u8bbf\u95ee\u6a21\u5f0f&#xff08;accessModes&#xff09;\u3001\u5377\u6a21\u5f0f&#xff08;volumeModes&#xff09;\u4ee5\u53ca\u539f\u59cb\u5757\u5377\u652f\u6301\u7b49\u9ad8\u7ea7\u7279\u6027&#xff0c;\u901a\u8fc7\u4e30\u5bcc\u7684 YAML \u914d\u7f6e\u793a\u4f8b\u548c\u547d\u4ee4\u884c\u64cd\u4f5c&#xff0c;\u5e2e\u52a9\u8bfb\u8005\u5168\u9762\u638c\u63e1 Kubernetes \u5b58\u50a8\u7ba1\u7406\u7684\u6838\u5fc3\u77e5\u8bc6\u3002<\/p>\n<p>\u5b66\u4e60\u53c2\u8003&#xff1a;\u5377<\/p>\n<h3>\u73af\u5883\u51c6\u5907<\/h3>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl create ns storage<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl config set-context &#8211;current &#8211;namespace storage<\/span><\/p>\n<h3>Volume \u7c7b\u578b<\/h3>\n<p>Kubernetes\u652f\u6301Volume\u7c7b\u578b\u6709&#xff1a;<\/p>\n<ul>\n<li>emptyDir<\/li>\n<li>hostPath<\/li>\n<li>gcePersistentDisk<\/li>\n<li>awsElasticBlockStore<\/li>\n<li>nfs<\/li>\n<li>iscsi<\/li>\n<li>fc (fibre channel)<\/li>\n<li>flocker<\/li>\n<li>glusterfs<\/li>\n<li>rbd<\/li>\n<li>cephfs<\/li>\n<li>gitRepo<\/li>\n<li>secret<\/li>\n<li>persistentVolumeClaim<\/li>\n<li>downwardAPI<\/li>\n<li>projected<\/li>\n<li>azureFileVolume<\/li>\n<li>azureDisk<\/li>\n<li>vsphereVolume<\/li>\n<li>Quobyte<\/li>\n<li>PortworxVolume<\/li>\n<li>ScaleIO<\/li>\n<li>StorageOS<\/li>\n<li>local<\/li>\n<\/ul>\n<h3>emptyDir<\/h3>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;\u5f53Pod\u5206\u914d\u5230Node\u4e0a\u65f6&#xff0c;\u5c06\u4f1a\u521b\u5efaemptyDir&#xff0c;\u53ea\u8981Node\u4e0a\u7684Pod\u4e00\u76f4\u8fd0\u884c&#xff0c;Volume\u5c31\u4f1a\u4e00\u76f4\u5b58\u3002\u5f53Pod&#xff08;\u4e0d\u7ba1\u4efb\u4f55\u539f\u56e0&#xff09;\u4eceNode\u4e0a\u88ab\u5220\u9664\u65f6&#xff0c;emptyDir\u4e5f\u540c\u65f6\u4f1a\u5220\u9664&#xff0c;\u5b58\u50a8\u7684\u6570\u636e\u4e5f\u5c06\u6c38\u4e45\u5220\u9664\u3002<\/p>\n<p>**\u5b9e\u9a8c&#xff1a;**\u51c6\u5907\u4e00\u4e2a\u5305\u542b2\u4e2a\u5bb9\u5668\u7684pod&#xff0c;\u4f7f\u7528emptyDir\u3002<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pod-with-emptyDir.yaml<\/span><\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Pod<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> busybox<br \/>\n  <span class=\"token key atrule\">labels<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">app<\/span><span class=\"token punctuation\">:<\/span> busybox<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">volumes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> datavolume<br \/>\n    <span class=\"token key atrule\">emptyDir<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token key atrule\">containers<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> busybox1<br \/>\n    <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> hub.laoma.cloud\/library\/busybox<br \/>\n    <span class=\"token key atrule\">imagePullPolicy<\/span><span class=\"token punctuation\">:<\/span> IfNotPresent<br \/>\n    <span class=\"token key atrule\">command<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;sh&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;-c&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;echo Hello Kubernetes! &amp;&amp; sleep 3600&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token key atrule\">volumeMounts<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">mountPath<\/span><span class=\"token punctuation\">:<\/span> \/data<br \/>\n      <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> datavolume<br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> busybox2<br \/>\n    <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> hub.laoma.cloud\/library\/busybox<br \/>\n    <span class=\"token key atrule\">imagePullPolicy<\/span><span class=\"token punctuation\">:<\/span> IfNotPresent<br \/>\n    <span class=\"token key atrule\">command<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;sh&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;-c&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;echo Hello Kubernetes! &amp;&amp; sleep 3600&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token key atrule\">volumeMounts<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">mountPath<\/span><span class=\"token punctuation\">:<\/span> \/data<br \/>\n      <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> datavolume<\/p>\n<p>\u914d\u7f6e\u8bf4\u660e&#xff1a;<\/p>\n<ul>\n<li>\n<p>spec.volumes&#xff1a;\u5b9a\u4e49\u5377&#xff0c;\u662f\u9ed8\u8ba4\u5377\u7c7b\u578b\u3002<\/p>\n<\/li>\n<li>\n<p>spec.containers.volumeMounts&#xff1a;\u5f15\u7528\u5377<\/p>\n<\/li>\n<\/ul>\n<p><span class=\"token comment\"># \u521b\u5efapod<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl apply -f pod-with-emptyDir.yaml<\/span><br \/>\npod\/busybox created<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u5bb9\u5668ID<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl describe pod busybox |egrep -o &#039;Container ID.*\/\/.{12}&#039;<\/span><br \/>\nContainer ID:  containerd:\/\/07d189383321<br \/>\nContainer ID:  containerd:\/\/bb02c680ca8a<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u5bb9\u5668\u6240\u5728\u8282\u70b9<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl describe pod busybox |grep Node:<\/span><br \/>\nNode:             worker32.laoma.cloud\/10.1.8.32<\/p>\n<p><span class=\"token comment\"># \u767b\u5f55\u5230node\u67e5\u770b\u5bb9\u5668\u6302\u8f7d\u60c5\u51b5<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># crictl inspect 07d189383321|grep datavolume<\/span><br \/>\n        <span class=\"token string\">&#034;hostPath&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/var\/lib\/kubelet\/pods\/8417656f-4b6c-4b2a-a2f3-f4a248c4c043\/volumes\/kubernetes.io~empty-dir\/datavolume&#034;<\/span>,<br \/>\n          <span class=\"token string\">&#034;host_path&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/var\/lib\/kubelet\/pods\/8417656f-4b6c-4b2a-a2f3-f4a248c4c043\/volumes\/kubernetes.io~empty-dir\/datavolume&#034;<\/span><br \/>\n          <span class=\"token string\">&#034;source&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/var\/lib\/kubelet\/pods\/8417656f-4b6c-4b2a-a2f3-f4a248c4c043\/volumes\/kubernetes.io~empty-dir\/datavolume&#034;<\/span>,<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u6570\u636e<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl exec busybox -c busybox1 &#8212; touch \/data\/b1-f1<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl exec busybox -c busybox2 &#8212; ls \/data<\/span><br \/>\nb1-f1<\/p>\n<p><span class=\"token comment\"># node\u4e0a\u67e5\u770b\u6570\u636e<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># ls \/var\/lib\/kubelet\/pods\/8417656f-4b6c-4b2a-a2f3-f4a248c4c043\/volumes\/kubernetes.io~empty-dir\/datavolume<\/span><br \/>\nb1-f1<\/p>\n<p><span class=\"token comment\"># \u5220\u9664pod&#xff0c;\u9a8c\u8bc1emptyDir<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl delete pod busybox &#8211;force<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># ls \/var\/lib\/kubelet\/pods\/8417656f-4b6c-4b2a-a2f3-f4a248c4c043\/volumes\/kubernetes.io~empty-dir\/datavolume<\/span><br \/>\nls: cannot access <span class=\"token string\">&#039;\/var\/lib\/kubelet\/pods\/8417656f-4b6c-4b2a-a2f3-f4a248c4c043\/volumes\/kubernetes.io~empty-dir\/datavolume&#039;<\/span><span class=\"token builtin class-name\">:<\/span> No such <span class=\"token function\">file<\/span> or directory<\/p>\n<p><span class=\"token comment\"># \u5bb9\u5668\u5220\u9664\u540e&#xff0c;\u9700\u8981\u7b49\u5f85\u4e00\u4e9b\u65f6\u95f4&#xff0c;\u4e34\u65f6\u5377\u6570\u636e\u7b49\u5f85\u624d\u4f1a\u5220\u9664\u3002<\/span><\/p>\n<h3>hostPath<\/h3>\n<p>hostPath\u5141\u8bb8Pod\u5c06Node\u7684\u6587\u4ef6\u7cfb\u7edf\u4e2d\u67d0\u4e2a\u76ee\u5f55\u6302\u8f7d\u5230Pod\u5185\u90e8\u3002pod\u5220\u9664\u540e&#xff0c;hostPath\u5377\u6570\u636e\u4fdd\u7559\u3002<\/p>\n<p>**\u5b9e\u9a8c&#xff1a;**\u51c6\u5907\u4e00\u4e2apod&#xff0c;\u4f7f\u7528hostPath\u3002<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pod-with-hostPath.yaml<\/span><\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Pod<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> busybox<br \/>\n  <span class=\"token key atrule\">labels<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">app<\/span><span class=\"token punctuation\">:<\/span> busybox<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">volumes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> datavolume<br \/>\n    <span class=\"token key atrule\">hostPath<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/busyboxdir<br \/>\n  <span class=\"token key atrule\">containers<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> busybox1<br \/>\n    <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> hub.laoma.cloud\/library\/busybox<br \/>\n    <span class=\"token key atrule\">imagePullPolicy<\/span><span class=\"token punctuation\">:<\/span> IfNotPresent<br \/>\n    <span class=\"token key atrule\">command<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;sh&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;-c&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;echo Hello Kubernetes! &amp;&amp; sleep 3600&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token key atrule\">volumeMounts<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">mountPath<\/span><span class=\"token punctuation\">:<\/span> \/data<br \/>\n      <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> datavolume<br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> busybox2<br \/>\n    <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> hub.laoma.cloud\/library\/busybox<br \/>\n    <span class=\"token key atrule\">imagePullPolicy<\/span><span class=\"token punctuation\">:<\/span> IfNotPresent<br \/>\n    <span class=\"token key atrule\">command<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;sh&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;-c&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#039;echo Hello Kubernetes! &amp;&amp; sleep 3600&#039;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token key atrule\">volumeMounts<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">mountPath<\/span><span class=\"token punctuation\">:<\/span> \/data<br \/>\n      <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> datavolume<br \/>\n      <span class=\"token comment\"># \u8bbe\u7f6ereadOnly&#xff0c;\u63a7\u5236\u8bfb\u5199&#xff0c;\u9ed8\u8ba4\u503c\u662ffalse&#xff0c;\u4e5f\u5c31\u662f\u8bfb\u5199\u8bbf\u95ee\u3002<\/span><br \/>\n      <span class=\"token key atrule\">readOnly<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span><\/p>\n<p><span class=\"token comment\"># \u521b\u5efapod<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl apply -f pod-with-hostPath.yaml<\/span><br \/>\npod\/busybox created<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u5bb9\u5668ID<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl describe pod busybox |egrep -o &#039;Container ID.*\/\/.{12}&#039;<\/span><br \/>\nContainer ID:  containerd:\/\/318922d0c666<br \/>\nContainer ID:  containerd:\/\/0688146babe5<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u5bb9\u5668\u6240\u5728\u8282\u70b9<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl describe pod busybox |grep Node:<\/span><br \/>\nNode:             worker32.laoma.cloud\/10.1.8.32<\/p>\n<p><span class=\"token comment\"># \u767b\u5f55\u5230worker31\u67e5\u770b\u5bb9\u5668\u6302\u8f7d\u60c5\u51b5<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># crictl inspect 318922d0c666|grep busyboxdir<\/span><br \/>\n        <span class=\"token string\">&#034;hostPath&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/busyboxdir&#034;<\/span>,<br \/>\n          <span class=\"token string\">&#034;host_path&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/busyboxdir&#034;<\/span><br \/>\n          <span class=\"token string\">&#034;source&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/busyboxdir&#034;<\/span>,<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u6570\u636e<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl exec busybox -c busybox1 &#8212; touch \/data\/b1-f1<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl exec busybox -c busybox2 &#8212; ls \/data<\/span><br \/>\nb1-f1<br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl exec busybox -c busybox2 &#8212; touch \/data\/b2-f2<\/span><br \/>\ntouch: \/data\/b2-f2: Read-only <span class=\"token function\">file<\/span> system<\/p>\n<p><span class=\"token comment\"># node\u4e0a\u67e5\u770b\u6570\u636e<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># ls \/busyboxdir\/<\/span><br \/>\nb1-f1<\/p>\n<p><span class=\"token comment\"># \u5220\u9664pod&#xff0c;\u9a8c\u8bc1hostPath<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl delete pod busybox &#8211;force<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># ls \/busyboxdir\/<\/span><br \/>\nb1-f1<br \/>\n<span class=\"token comment\"># pod\u5220\u9664\u540e&#xff0c;hostPath\u5377\u6570\u636e\u4fdd\u7559\u3002<\/span><\/p>\n<h3>NFS \u5b58\u50a8<\/h3>\n<p>NFS\u5377&#xff0c;\u5c06\u6570\u636e\u5b58\u50a8\u5728NFS\u5171\u4eab\u4e2d\u3002<\/p>\n<p>\u51c6\u5907NFS\u5171\u4eab<\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5 NFS server<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># apt install -y nfs-kernel-server<\/span><\/p>\n<p><span class=\"token comment\"># \u5b89\u521b\u5efaNFS\u76ee\u5f55 \u4fee\u6539\u521b\u5efa\u6587\u4ef6\u5939\u7684\u6743\u9650<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># mkdir -m 777 \/nfsshares<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># echo hello laoma &gt; \/nfsshares\/index.html<\/span><\/p>\n<p><span class=\"token comment\"># \u914d\u7f6e\u5171\u4eab&#xff0c;\u5141\u8bb8\u6240\u6709\u5ba2\u6237\u7aef\u8bbf\u95ee<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># cat &lt;&lt; EOF &gt; \/etc\/exports<\/span><br \/>\n\/nfsshares *<span class=\"token punctuation\">(<\/span>rw<span class=\"token punctuation\">)<\/span><br \/>\nEOF<\/p>\n<p><span class=\"token comment\"># \u91cd\u542f nfs server<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># systemctl restart nfs-server.service<\/span><\/p>\n<p><span class=\"token comment\"># \u5ba2\u6237\u7aef\u5b89\u88c5<\/span><br \/>\nroot&#064;worker31:~<span class=\"token comment\"># apt install -y nfs-common<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># apt install -y nfs-common<\/span><\/p>\n<p>\u51c6\u5907 pod<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pod-with-nfs.yaml <\/span><\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Pod<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">labels<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">run<\/span><span class=\"token punctuation\">:<\/span> nginx<br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> nginx<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">volumes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> nfs<br \/>\n    <span class=\"token key atrule\">nfs<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span> 10.1.8.30<br \/>\n      <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\/nfsshares&#034;<\/span><br \/>\n  <span class=\"token key atrule\">containers<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> hub.laoma.cloud\/library\/nginx<br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> nginx<br \/>\n    <span class=\"token key atrule\">volumeMounts<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> nfs<br \/>\n      <span class=\"token key atrule\">mountPath<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\/usr\/share\/nginx\/html&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u521b\u5efapod<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl apply -f pod-with-nfs.yaml <\/span><br \/>\npod\/nginx created<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u5bb9\u5668ID<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl describe pod nginx |egrep -o &#039;Container ID.*\/\/.{12}&#039;<\/span><br \/>\nContainer ID:   containerd:\/\/c5e734dab9b5<\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u5bb9\u5668\u6240\u5728\u8282\u70b9<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl describe pod nginx |grep Node:<\/span><br \/>\nNode:             worker32.laoma.cloud\/10.1.8.32<\/p>\n<p><span class=\"token comment\"># \u767b\u5f55\u5230worker31\u67e5\u770b\u5bb9\u5668\u6302\u8f7d\u60c5\u51b5<\/span><br \/>\nroot&#064;worker32:~<span class=\"token comment\"># crictl inspect c5e734dab9b5| grep -e nfs -e html<\/span><br \/>\n        <span class=\"token string\">&#034;containerPath&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/usr\/share\/nginx\/html&#034;<\/span>,<br \/>\n        <span class=\"token string\">&#034;hostPath&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/var\/lib\/kubelet\/pods\/b5bd3f1a-3ef4-4327-95ff-61352268ee41\/volumes\/kubernetes.io~nfs\/nfs&#034;<\/span>,<br \/>\n          <span class=\"token string\">&#034;container_path&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/usr\/share\/nginx\/html&#034;<\/span>,<br \/>\n          <span class=\"token string\">&#034;host_path&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/var\/lib\/kubelet\/pods\/b5bd3f1a-3ef4-4327-95ff-61352268ee41\/volumes\/kubernetes.io~nfs\/nfs&#034;<\/span><br \/>\n          <span class=\"token string\">&#034;destination&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/usr\/share\/nginx\/html&#034;<\/span>,<br \/>\n          <span class=\"token string\">&#034;source&#034;<\/span><span class=\"token builtin class-name\">:<\/span> <span class=\"token string\">&#034;\/var\/lib\/kubelet\/pods\/b5bd3f1a-3ef4-4327-95ff-61352268ee41\/volumes\/kubernetes.io~nfs\/nfs&#034;<\/span>,<br \/>\nroot&#064;worker32:~<span class=\"token comment\"># df|grep nfsshare<\/span><br \/>\n<span class=\"token number\">10.1<\/span>.8.30:\/nfsshares              <span class=\"token number\">101590016<\/span> <span class=\"token number\">6659072<\/span>  <span class=\"token number\">89723904<\/span>   <span class=\"token number\">7<\/span>% \/var\/lib\/kubelet\/pods\/b5bd3f1a-3ef4-4327-95ff-61352268ee41\/volumes\/kubernetes.io~nfs\/nfs<\/p>\n<p><span class=\"token comment\"># \u8bbf\u95ee\u5bb9\u5668<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pod -o wide<\/span><br \/>\nNAME    READY   STATUS    RESTARTS   AGE     IP              NODE               NOMINATED NODE   READINESS GATES<br \/>\nnginx   <span class=\"token number\">1<\/span>\/1     Running   <span class=\"token number\">0<\/span>          5m19s   <span class=\"token number\">10.224<\/span>.51.171   worker32.laoma.cloud   <span class=\"token operator\">&lt;<\/span>none<span class=\"token operator\">&gt;<\/span>           <span class=\"token operator\">&lt;<\/span>none<span class=\"token operator\">&gt;<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># curl 10.224.51.171<\/span><br \/>\nhello laoma<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u6570\u636e<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl exec nginx &#8212; ls \/usr\/share\/nginx\/html<\/span><br \/>\nindex.html<br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl exec nginx &#8212; touch \/usr\/share\/nginx\/html\/test.html<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># ls \/nfsshares<\/span><br \/>\nindex.html  test.html<\/p>\n<p><span class=\"token comment\"># \u5220\u9664pod&#xff0c;\u9a8c\u8bc1nfs\u5377\u6570\u636e<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl delete pod nginx &#8211;force<\/span><br \/>\npod <span class=\"token string\">&#034;nginx&#034;<\/span> deleted<br \/>\nroot&#064;master30:~<span class=\"token comment\"># ls \/nfsshares<\/span><br \/>\nindex.html  test.html<br \/>\n<span class=\"token comment\"># pod\u5220\u9664\u540e&#xff0c;nfs\u5377\u6570\u636e\u4fdd\u7559\u3002<\/span><\/p>\n<h3>\u6301\u4e45\u6027\u5b58\u50a8<\/h3>\n<p>\u5b66\u4e60\u53c2\u8003&#xff1a;\u6301\u4e45\u5377<\/p>\n<p>Kubernetes \u4f7f\u7528 persistent volume&#xff08;PV&#xff09;\u67b6\u6784\u4e3a\u96c6\u7fa4\u63d0\u4f9b\u6c38\u4e45\u5b58\u50a8\u3002<\/p>\n<h4>PV \u548c PVC \u67b6\u6784<\/h4>\n<p>\u5f00\u53d1\u4eba\u5458\u4e0d\u77e5\u9053\u7279\u5b9a\u4e91\u73af\u5883\u7684\u7ec6\u8282\u7684\u60c5\u51b5\u4e0b&#xff0c;\u53ea\u9700\u8981\u4f7f\u7528persistentVolumeClaim&#xff08;PVC&#xff09;\u8bf7\u6c42PV\u8d44\u6e90&#xff0c;\u5b9e\u73b0\u6301\u4e45\u5316\u5b58\u50a8\u3002<\/p>\n<ul>\n<li>\n<p>Persistent Volume&#xff0c;\u7531PersistentVolume API\u5bf9\u8c61\u5b9a\u4e49&#xff0c;\u4ee3\u8868\u96c6\u7fa4\u4e2d\u73b0\u6709\u5b58\u50a8\u3002PV\u7684\u751f\u547d\u5468\u671f\u4e0e\u4f7f\u7528\u5176\u7684pod\u65e0\u5173\u3002Persistent Volume \u662f\u96c6\u7fa4\u7ea7\u522b\u8d44\u6e90\u3002<\/p>\n<\/li>\n<li>\n<p>Persistent Volume Claim&#xff0c;\u7531PersistentVolumeClaim API\u5bf9\u8c61\u5b9a\u4e49&#xff0c;\u4ee3\u8868\u5f00\u53d1\u4eba\u5458\u8bf7\u6c42PV\u3002Persistent Volume Claim \u662f namespace \u7ea7\u522b\u8d44\u6e90\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>\u521b\u5efa PV \u548c PVC<\/h4>\n<h5>\u521b\u5efa PV<\/h5>\n<p>\u96c6\u7fa4\u7ba1\u7406\u5458\u53ef\u4ee5\u521b\u5efa\u4efb\u610f\u6570\u91cfPV&#xff0c;\u53d6\u51b3\u4e8e\u540e\u7aef\u5b58\u50a8\u3002<\/p>\n<p>\u4e3a\u4e86\u65b9\u4fbf\u6f14\u793a&#xff0c;\u6211\u4eec\u8fd9\u91cc\u4f7f\u7528NFS\u540e\u7aef\u5b58\u50a8\u3002<\/p>\n<p>pv\u6587\u4ef6\u793a\u4f8b&#xff1a;<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pv.yaml<\/span><\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolume<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">capacity<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<br \/>\n  <span class=\"token key atrule\">volumeMode<\/span><span class=\"token punctuation\">:<\/span> Filesystem<br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">nfs<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/nfsshares<br \/>\n    <span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span> 10.1.8.30<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl apply -f pv.yaml <\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pv<\/span><br \/>\nNAME CAPACITY  ACCESS MODES   RECLAIM POLICY   STATUS     CLAIM   STORAGECLASS   REASON   AGE<br \/>\nweb  5Gi       RWO            Recycle          Available                                  3s<\/p>\n<h5>\u521b\u5efa PVC<\/h5>\n<p>\u7528\u6237\u521b\u5efaPVC&#xff0c;pod\u4f7f\u7528PVC\u7533\u8bf7\u7279\u5b9a\u5bb9\u91cf\u3001\u7279\u5b9amodes\u548c\u7279\u5b9a\u5b58\u50a8\u7c7b\u522b\u7684\u5b58\u50a8\u3002master\u76d1\u63a7PVCs&#xff0c;\u67e5\u627e\u5339\u914d\u7684PV\u6216\u8005\u7b49\u5f85\u540e\u7aef\u5b58\u50a8\u521b\u5efa\u76f8\u5e94PV&#xff0c;\u7136\u540e\u7ed1\u5b9aPV\u548cPVC\u3002<\/p>\n<p>pvc\u793a\u4f8b&#xff1a;<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pvc.yaml<\/span><\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolumeClaim<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> webclaim<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">resources<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">requests<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl apply -f pvc.yaml <\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pvc<\/span><br \/>\nNAME       STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE<br \/>\nwebclaim   Bound    web      5Gi        RWO                           4s<\/p>\n<h5>\u521b\u5efaPod\u4f7f\u7528PV<\/h5>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pod-with-pvc.yaml<\/span><\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Pod<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<br \/>\n  <span class=\"token key atrule\">labels<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">containers<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> hub.laoma.cloud\/library\/nginx<br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<br \/>\n    <span class=\"token key atrule\">ports<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">containerPort<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">80<\/span><br \/>\n        <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<span class=\"token punctuation\">&#8211;<\/span>port<br \/>\n    <span class=\"token key atrule\">volumeMounts<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<span class=\"token punctuation\">&#8211;<\/span>persistent<span class=\"token punctuation\">&#8211;<\/span>storage<br \/>\n        <span class=\"token key atrule\">mountPath<\/span><span class=\"token punctuation\">:<\/span> \/usr\/share\/nginx\/html<br \/>\n  <span class=\"token key atrule\">volumes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<span class=\"token punctuation\">&#8211;<\/span>persistent<span class=\"token punctuation\">&#8211;<\/span>storage<br \/>\n    <span class=\"token key atrule\">persistentVolumeClaim<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">claimName<\/span><span class=\"token punctuation\">:<\/span> webclaim<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl apply -f pod-with-pvc.yaml <\/span><br \/>\npod\/web created<br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pod -o wide<\/span><br \/>\nNAME   READY   STATUS    RESTARTS   AGE   IP              NODE                  NOMINATED NODE   READINESS GATES<br \/>\nweb    <span class=\"token number\">1<\/span>\/1     Running   <span class=\"token number\">0<\/span>          35s   <span class=\"token number\">10.224<\/span>.193.69   worker32.laoma.cloud   <span class=\"token operator\">&lt;<\/span>none<span class=\"token operator\">&gt;<\/span>           <span class=\"token operator\">&lt;<\/span>none<span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token comment\"># \u6d4b\u8bd5&#xff1a;\u8bbf\u95eepod web\u9875\u9762<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># curl http:\/\/10.224.193.69<\/span><br \/>\nhello laoma<br \/>\nroot&#064;master30:~<span class=\"token comment\"># echo test &gt; \/nfsshares\/test.html<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># curl http:\/\/10.224.193.69\/test.html<\/span><br \/>\n<span class=\"token builtin class-name\">test<\/span><\/p>\n<p><span class=\"token comment\"># \u5220\u9664pod<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl delete pod web &#8211;force<\/span><\/p>\n<h4>PV accessModes<\/h4>\n<p>PersistentVolume \u5377\u8bbf\u95ee\u6a21\u5f0f\u6709&#xff1a;<\/p>\n<ul>\n<li>\n<p>ReadWriteOnce&#xff0c;\u5377\u53ef\u4ee5\u88ab\u4e00\u4e2a\u8282\u70b9\u4ee5\u8bfb\u5199\u65b9\u5f0f\u6302\u8f7d&#xff0c;\u4e5f\u5141\u8bb8\u540c\u4e00\u8282\u70b9\u4e0a\u7684\u591a\u4e2a Pod \u8bfb\u5199\u8bbf\u95ee\u5377\u3002<\/p>\n<\/li>\n<li>\n<p>ReadOnlyMany&#xff0c;\u5377\u53ef\u4ee5\u88ab\u591a\u4e2a\u8282\u70b9\u4ee5\u53ea\u8bfb\u65b9\u5f0f\u6302\u8f7d\u3002<\/p>\n<\/li>\n<li>\n<p>ReadWriteMany&#xff0c;\u5377\u53ef\u4ee5\u88ab\u591a\u4e2a\u8282\u70b9\u4ee5\u8bfb\u5199\u65b9\u5f0f\u6302\u8f7d\u3002<\/p>\n<\/li>\n<li>\n<p>ReadWriteOncePod&#xff0c;\u5377\u53ef\u4ee5\u88ab\u5355\u4e2a Pod \u4ee5\u8bfb\u5199\u65b9\u5f0f\u6302\u8f7d\u3002 \u5982\u679c\u4f60\u60f3\u786e\u4fdd\u6574\u4e2a\u96c6\u7fa4\u4e2d\u53ea\u6709\u4e00\u4e2a Pod \u53ef\u4ee5\u8bfb\u53d6\u6216\u5199\u5165\u8be5 PVC&#xff0c; \u8bf7\u4f7f\u7528 ReadWriteOncePod \u8bbf\u95ee\u6a21\u5f0f\u3002\u8fd9\u53ea\u652f\u6301 CSI \u5377\u4ee5\u53ca\u9700\u8981 Kubernetes 1.22 \u4ee5\u4e0a\u7248\u672c\u3002<\/p>\n<p>\u8fd9\u7bc7\u535a\u5ba2\u6587\u7ae0 Introducing Single Pod Access Mode for PersistentVolumes \u63cf\u8ff0\u4e86\u66f4\u8be6\u7ec6\u7684\u5185\u5bb9\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5728\u547d\u4ee4\u884c\u63a5\u53e3&#xff08;CLI&#xff09;\u4e2d&#xff0c;\u8bbf\u95ee\u6a21\u5f0f\u4e5f\u4f7f\u7528\u4ee5\u4e0b\u7f29\u5199\u5f62\u5f0f&#xff1a;<\/p>\n<ul>\n<li>RWO &#8211; ReadWriteOnce<\/li>\n<li>ROX &#8211; ReadOnlyMany<\/li>\n<li>RWX &#8211; ReadWriteMany<\/li>\n<li>RWOP &#8211; ReadWriteOncePod<\/li>\n<\/ul>\n<p>\u4e0d\u540c\u5b58\u50a8\u540e\u7aef\u652f\u6301\u4e0d\u540c\u7684\u6a21\u5f0f&#xff1a;<\/p>\n<table>\n<tr>\u5377\u63d2\u4ef6ReadWriteOnceReadOnlyManyReadWriteManyReadWriteOncePod<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">AzureFile<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">CephFS<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">CSI<\/td>\n<td align=\"center\">\u53d6\u51b3\u4e8e\u9a71\u52a8<\/td>\n<td align=\"center\">\u53d6\u51b3\u4e8e\u9a71\u52a8<\/td>\n<td align=\"center\">\u53d6\u51b3\u4e8e\u9a71\u52a8<\/td>\n<td>\u53d6\u51b3\u4e8e\u9a71\u52a8<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">FC<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">FlexVolume<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u53d6\u51b3\u4e8e\u9a71\u52a8<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">GCEPersistentDisk<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Glusterfs<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">HostPath<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">iSCSI<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">NFS<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">RBD<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">VsphereVolume<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td align=\"center\">-&#xff08;Pod \u8fd0\u884c\u4e8e\u540c\u4e00\u8282\u70b9\u4e0a\u65f6\u53ef\u884c&#xff09;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">PortworxVolume<\/td>\n<td align=\"center\">\u2713<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td align=\"center\">\u2713<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u91cd\u8981&#xff1a; \u6bcf\u4e2a\u5377\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u4ee5\u4e00\u79cd\u8bbf\u95ee\u6a21\u5f0f\u6302\u8f7d&#xff0c;\u5373\u4f7f\u8be5\u5377\u80fd\u591f\u652f\u6301\u591a\u79cd\u8bbf\u95ee\u6a21\u5f0f\u3002 \u4f8b\u5982&#xff0c;\u4e00\u4e2a GCEPersistentDisk \u5377\u53ef\u4ee5\u88ab\u67d0\u8282\u70b9\u4ee5 ReadWriteOnce \u6a21\u5f0f\u6302\u8f7d&#xff0c;\u6216\u8005\u88ab\u591a\u4e2a\u8282\u70b9\u4ee5 ReadOnlyMany \u6a21\u5f0f\u6302\u8f7d&#xff0c;\u4f46\u4e0d\u53ef\u4ee5\u540c\u65f6\u4ee5\u4e24\u79cd\u6a21\u5f0f\u6302\u8f7d\u3002<\/p>\n<p>\u5e38\u89c1\u7684NAS\u5b58\u50a8\u90fd\u652f\u6301\u4e09\u79cd\u5b58\u50a8\u6a21\u5f0f&#xff1a;ReadWriteOnce\u3001ReadOnlyMany\u3001ReadWriteMany\u3002<\/p>\n<h4>PV volumeModes<\/h4>\n<p>\u7279\u6027\u72b6\u6001&#xff1a; Kubernetes v1.18 [stable]<\/p>\n<p>\u9488\u5bf9 PV \u6301\u4e45\u5377&#xff0c;Kubernetes \u652f\u6301\u4e24\u79cd\u5377\u6a21\u5f0f&#xff08;volumeModes&#xff09;&#xff1a;Filesystem&#xff08;\u6587\u4ef6\u7cfb\u7edf&#xff09; \u548c Block&#xff08;\u5757&#xff09;\u3002 volumeMode \u662f\u4e00\u4e2a\u53ef\u9009\u7684 API \u53c2\u6570\u3002 \u5982\u679c\u8be5\u53c2\u6570\u88ab\u7701\u7565&#xff0c;\u9ed8\u8ba4\u7684\u5377\u6a21\u5f0f\u662f Filesystem\u3002<\/p>\n<ul>\n<li>\n<p>Filesystem \u5377&#xff0c;\u4f1a\u88ab Pod \u6302\u8f7d&#xff08;Mount&#xff09; \u5230\u67d0\u4e2a\u76ee\u5f55\u3002 \u5982\u679c\u5377\u7684\u5b58\u50a8\u6765\u81ea\u67d0\u5757\u8bbe\u5907\u800c\u8be5\u8bbe\u5907\u76ee\u524d\u4e3a\u7a7a&#xff0c;Kuberneretes \u4f1a\u5728\u7b2c\u4e00\u6b21\u6302\u8f7d\u5377\u4e4b\u524d\u5728\u8bbe\u5907\u4e0a\u521b\u5efa\u6587\u4ef6\u7cfb\u7edf\u3002<\/p>\n<\/li>\n<li>\n<p>Block \u5377&#xff0c;\u4f1a\u88ab\u4f5c\u4e3a\u539f\u59cb\u5757\u8bbe\u5907\u6765\u4f7f\u7528\u3002 \u8fd9\u7c7b\u5377\u4ee5\u5757\u8bbe\u5907\u7684\u65b9\u5f0f\u4ea4\u7ed9 Pod \u4f7f\u7528&#xff0c;\u5176\u4e0a\u6ca1\u6709\u4efb\u4f55\u6587\u4ef6\u7cfb\u7edf\u3002 \u8fd9\u79cd\u6a21\u5f0f\u5bf9\u4e8e\u4e3a Pod \u63d0\u4f9b\u4e00\u79cd\u4f7f\u7528\u6700\u5feb\u53ef\u80fd\u65b9\u5f0f\u6765\u8bbf\u95ee\u5377\u800c\u8a00\u5f88\u6709\u5e2e\u52a9&#xff0c; Pod \u548c\u5377\u4e4b\u95f4\u4e0d\u5b58\u5728\u6587\u4ef6\u7cfb\u7edf\u5c42\u3002\u53e6\u5916&#xff0c;Pod \u4e2d\u8fd0\u884c\u7684\u5e94\u7528\u5fc5\u987b\u77e5\u9053\u5982\u4f55\u5904\u7406\u539f\u59cb\u5757\u8bbe\u5907\u3002 \u5173\u4e8e\u5982\u4f55\u5728 Pod \u4e2d\u4f7f\u7528 volumeMode: Block \u7684\u5377&#xff0c; \u53ef\u53c2\u9605\u539f\u59cb\u5757\u5377\u652f\u6301\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>PVC\u4e0ePV\u5339\u914d\u89c4\u5219<\/h4>\n<ul>\n<li>\n<p>PV\u7684mode\u5fc5\u987b\u9ad8\u4e8ePVC\u7533\u8bf7\u7684\u6700\u4f4e\u8981\u6c42&#xff1a;mode \u4f18\u5148\u7ea7&#xff0c;\u53ef\u7b80\u5355\u7406\u89e3\u4e3aROX&lt;RWO&lt;RWX\u3002\u4f8b\u5982&#xff0c;\u7528\u6237\u8bf7\u6c42RWO\u6a21\u5f0fPV&#xff0c;\u4f46\u662f\u76ee\u524d\u53ea\u6709NFS PV&#xff08;RWO&#043;ROX&#043;RWX&#xff09;&#xff0c;PVC\u5c06\u5339\u914dNFS\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bb9\u91cf\u6ee1\u8db3\u6700\u4f4e\u8981\u6c42&#xff1a;\u5177\u6709\u76f8\u540cmodes\u5377\u4f1a\u88ab\u5206\u7ec4&#xff0c;\u7136\u540e\u6839\u636esize\u5206\u7c7b&#xff08;\u7531\u5c0f\u5230\u5927&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>pv storage classes&#xff1a;\u7528\u4e8e\u5bf9pv\u8fdb\u884c\u5206\u7c7b&#xff0c;pvc\u53ef\u4ee5\u6839\u636estorageClassName\u53c2\u6570\u7533\u8bf7\u7279\u5b9a\u7c7b\u578bpv\u3002\u5982\u679cpv\u8bbe\u7f6e\u4e86storageClassName&#xff0c;\u90a3\u4e48 pvc \u7533\u8bf7\u8d44\u6e90\u7684\u65f6\u5019\u4e5f\u8981\u6307\u5b9astorageClassName\u3002\u4f8b\u5982&#xff0c;storageClassName\u6307\u5b9a\u4e3a ns1-storage&#xff0c;ns1\u4e2dpvc\u7533\u8bf7\u4e5f\u6307\u5b9astorageClassName\u4e3ans1-storage\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>PV \u56de\u6536\u7b56\u7565<\/h4>\n<p>\u5f53\u7528\u6237\u4e0d\u518d\u4f7f\u7528\u5176\u5b58\u50a8\u5377\u65f6&#xff0c;\u4ed6\u4eec\u53ef\u4ee5\u4ece API \u4e2d\u5c06 PVC \u5bf9\u8c61\u5220\u9664&#xff0c; \u4ece\u800c\u5141\u8bb8\u8be5\u8d44\u6e90\u88ab\u56de\u6536\u518d\u5229\u7528\u3002PersistentVolume \u5bf9\u8c61\u7684\u56de\u6536\u7b56\u7565\u544a\u8bc9\u96c6\u7fa4&#xff0c; \u5f53\u5176\u88ab\u4ece\u7533\u9886\u4e2d\u91ca\u653e\u65f6\u5982\u4f55\u5904\u7406\u8be5\u6570\u636e\u5377\u3002<\/p>\n<p>PersistentVolume \u56de\u6536\u7b56\u7565\u652f\u6301&#xff1a;Retain&#xff08;\u4fdd\u7559&#xff09;\u3001Recycle&#xff08;\u56de\u6536&#xff09;\u3001Delete&#xff08;\u5220\u9664&#xff09;\u3002<\/p>\n<h5>Retain&#xff08;\u4fdd\u7559&#xff09;<\/h5>\n<p>\u56de\u6536\u7b56\u7565 Retain \u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u624b\u52a8\u56de\u6536\u8d44\u6e90\u3002\u5f53 PersistentVolumeClaim \u5bf9\u8c61\u88ab\u5220\u9664\u65f6&#xff0c;PersistentVolume \u5377\u4ecd\u7136\u5b58\u5728&#xff0c;\u5bf9\u5e94\u7684\u6570\u636e\u5377\u88ab\u89c6\u4e3a&#034;\u5df2\u91ca\u653e&#xff08;released&#xff09;&#034;\u3002 \u7531\u4e8e\u5377\u4e0a\u4ecd\u7136\u4fdd\u7559\u4e0a\u4e00\u6b21\u5173\u8054\u7684pvc\u4fe1\u606f&#xff0c;\u6e05\u7406\u6389\u4e0a\u4e00\u6b21\u5173\u8054\u7684pvc\u4fe1\u606f\u624d\u53ef\u5206\u914d\u7ed9\u5176\u4ed6pvc\u3002Retain&#xff08;\u4fdd\u7559&#xff09;\u7b56\u7565\u662f\u9ed8\u8ba4\u7b56\u7565\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pv-pvc-Retain.yaml<\/span><\/p>\n<p><span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolume<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">capacity<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<br \/>\n  <span class=\"token comment\">#persistentVolumeReclaimPolicy: Retain<\/span><br \/>\n  <span class=\"token key atrule\">volumeMode<\/span><span class=\"token punctuation\">:<\/span> Filesystem<br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">nfs<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/nfsshares<br \/>\n    <span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span> 10.1.8.30<br \/>\n<span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolumeClaim<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> webclaim<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">resources<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">requests<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl apply -f pv-pvc-Retain.yaml<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pv<\/span><br \/>\nNAME   CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM              STORAGECLASS   REASON   AGE<br \/>\nweb    5Gi        RWO            Retain           Bound    default\/webclaim                           22s<br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pvc<\/span><br \/>\nNAME       STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE<br \/>\nwebclaim   Bound    web      5Gi        RWO                           23s<\/p>\n<p>\u5220\u9664 pvc \u9a8c\u8bc1<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl delete pvc webclaim <\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pv<\/span><br \/>\nNAME   CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS     CLAIM              STORAGECLASS   REASON   AGE<br \/>\nweb    5Gi        RWO            Retain           Released   default\/webclaim                           3m4s<\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u65b0pvc&#xff0c;\u65e0\u6cd5\u7ed1\u5b9a<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># vim pvc-db.yaml<\/span><\/p>\n<p><span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolumeClaim<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> dbclaim<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">resources<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">requests<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl apply -f pvc-db.yaml <\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pvc dbclaim <\/span><br \/>\nNAME      STATUS    VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE<br \/>\ndbclaim   Pending                                                     11s<\/p>\n<p><span class=\"token comment\"># \u624b\u52a8\u6e05\u7406\u5377\u4e0aclaimRef\u4fe1\u606f&#xff0c;\u5220\u9664claimRef\u90e8\u5206<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl edit pv web<\/span><\/p>\n<p><span class=\"token punctuation\">&#8230;<\/span><span class=\"token punctuation\">&#8230;<\/span><br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">capacity<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<br \/>\n  <span class=\"token comment\"># \u5220\u9664claimRef\u90e8\u5206<\/span><br \/>\n  <span class=\"token comment\"># claimRef:<\/span><br \/>\n  <span class=\"token comment\">#   apiVersion: v1<\/span><br \/>\n  <span class=\"token comment\">#   kind: PersistentVolumeClaim<\/span><br \/>\n  <span class=\"token comment\">#   name: webclaim<\/span><br \/>\n  <span class=\"token comment\">#   namespace: test<\/span><br \/>\n  <span class=\"token comment\">#   resourceVersion: &#034;112157&#034;<\/span><br \/>\n  <span class=\"token comment\">#   uid: 0839cdc1-81bb-11e9-9ca8-52540000fa0a<\/span><br \/>\n  <span class=\"token comment\"># \u5220\u9664claimRef\u90e8\u5206<\/span><br \/>\n  <span class=\"token key atrule\">nfs<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/web<br \/>\n    <span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span> 10.1.8.30<br \/>\n<span class=\"token punctuation\">&#8230;<\/span><span class=\"token punctuation\">&#8230;<\/span><\/p>\n<p><span class=\"token comment\"># dbclaim \u7ed1\u5b9a\u6210\u529f<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pvc dbclaim <\/span><br \/>\nNAME      STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE<br \/>\ndbclaim   Bound    web      5Gi        RWO                           3m49s<\/p>\n<p>\u6e05\u7406\u73af\u5883<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl delete pvc dbclaim<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl delete pv web<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># ls \/nfsshares\/<\/span><br \/>\nindex.html  test.html<\/p>\n<p>**\u6ce8\u610f&#xff1a;**\u5220\u9664pv&#xff0c;\u5e76\u4e0d\u4f1a\u5220\u9664\u540e\u7aef\u5b58\u50a8\u4e2d\u6570\u636e\u3002<\/p>\n<h5>Recycle&#xff08;\u56de\u6536&#xff09;<\/h5>\n<p>**\u8b66\u544a&#xff1a;**\u56de\u6536\u7b56\u7565 Recycle \u5df2\u88ab\u5e9f\u5f03\u3002\u53d6\u800c\u4ee3\u4e4b\u7684\u5efa\u8bae\u65b9\u6848\u662f\u4f7f\u7528\u52a8\u6001\u5236\u5907\u3002<\/p>\n<p>Recycle&#xff08;\u56de\u6536&#xff09;\u7b56\u7565\u7684\u6548\u679c\u4e0e Retaine&#xff08;\u4fdd\u7559&#xff09;\u4e00\u81f4\u3002<\/p>\n<h5>Delete&#xff08;\u5220\u9664&#xff09;<\/h5>\n<p>\u5bf9\u4e8e\u652f\u6301 Delete \u56de\u6536\u7b56\u7565\u7684\u5377\u63d2\u4ef6&#xff0c;\u5220\u9664\u52a8\u4f5c\u4f1a\u5c06 PersistentVolume \u5bf9\u8c61\u4ece Kubernetes \u4e2d\u79fb\u9664&#xff0c;\u540c\u65f6\u4e5f\u4f1a\u4ece\u5916\u90e8\u57fa\u7840\u8bbe\u65bd&#xff08;\u5982 AWS EBS \u6216 GCE PD \u5377&#xff09;\u4e2d\u79fb\u9664\u6240\u5173\u8054\u7684\u5b58\u50a8\u8d44\u4ea7\u3002<\/p>\n<p>\u793a\u4f8b&#xff1a;<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># vim pv-pvc-Delete.yaml<\/span><\/p>\n<p><span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolume<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">capacity<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<br \/>\n  <span class=\"token key atrule\">persistentVolumeReclaimPolicy<\/span><span class=\"token punctuation\">:<\/span> Delete<br \/>\n  <span class=\"token key atrule\">volumeMode<\/span><span class=\"token punctuation\">:<\/span> Filesystem<br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">nfs<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/nfsshares<br \/>\n    <span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span> 10.1.8.30<br \/>\n<span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolumeClaim<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> webclaim<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">resources<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">requests<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl apply -f pv-pvc-Delete.yaml<\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pv<\/span><br \/>\nNAME   CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM              STORAGECLASS   REASON   AGE<br \/>\nweb    5Gi        RWO            Retain           Bound    default\/webclaim                           22s<br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pvc<\/span><br \/>\nNAME       STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE<br \/>\nwebclaim   Bound    web      5Gi        RWO                           23s<\/p>\n<p>\u5220\u9664 pvc \u9a8c\u8bc1<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl delete pvc webclaim <\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pv<\/span><br \/>\nNAME   CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS     CLAIM              STORAGECLASS   REASON   AGE<br \/>\nweb    5Gi        RWO            Retain           Released   default\/webclaim                           3m4s<\/p>\n<p><span class=\"token comment\"># pv <\/span><br \/>\nroot&#064;master30:~<span class=\"token comment\"># kubectl get pv<\/span><br \/>\nNAME   CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM              STORAGECLASS   REASON   AGE<br \/>\nweb    5Gi        RWO            Delete           Failed   default\/webclaim                           33s<\/p>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl describe pv web<\/span><br \/>\n<span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><span class=\"token punctuation\">..<\/span><br \/>\nEvents:<br \/>\n  Type     Reason              Age   From                         Message<br \/>\n  &#8212;-     &#8212;&#8212;              &#8212;-  &#8212;-                         &#8212;&#8212;-<br \/>\n  Warning  VolumeFailedDelete  50s   persistentvolume-controller  error getting deleter volume plugin <span class=\"token keyword\">for<\/span> volume <span class=\"token string\">&#034;web&#034;<\/span><span class=\"token builtin class-name\">:<\/span> no deletable volume plugin matched<\/p>\n<p>kubernetes\u63d0\u793a\u4fe1\u606f\u4e3aError getting deleter volume plugin for volume &#034;web&#034;: no deletable volume plugin matched&#xff0c;\u4e5f\u5c31\u662f\u672a\u627e\u5230\u5220\u9664\u63d2\u4ef6&#xff0c;\u6240\u4ee5\u65e0\u6cd5\u5220\u9664\u3002<\/p>\n<p>\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u624b\u52a8\u5220\u9664pv&#xff0c;\u624b\u52a8\u5220\u9664pv&#xff0c;\u5e76\u4e0d\u4f1a\u5220\u9664\u540e\u7aef\u5b58\u50a8\u6570\u636e\u3002<\/p>\n<h5>\u601d\u8003<\/h5>\n<p>\u95ee\u9898&#xff1a;\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u53ea\u80fd\u7ed1\u5b9a\u7ed9\u7279\u5b9apvc\u7684pv&#xff1f;<\/p>\n<p>\u7b54\u6848&#xff1a;\u5728\u5b9a\u4e49pv\u7684\u65f6\u5019&#xff0c;\u6307\u5b9aclaimRef\u5c5e\u6027\u3002<\/p>\n<p><span class=\"token punctuation\">&#8212;<\/span><br \/>\n<span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolume<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> web<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">capacity<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 5Gi<br \/>\n  <span class=\"token key atrule\">volumeMode<\/span><span class=\"token punctuation\">:<\/span> Filesystem<br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">nfs<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">path<\/span><span class=\"token punctuation\">:<\/span> \/nfsshares<br \/>\n    <span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span> 10.1.8.30<br \/>\n  <span class=\"token key atrule\">claimRef<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> webclaim<br \/>\n    <span class=\"token key atrule\">namespace<\/span><span class=\"token punctuation\">:<\/span> test<\/p>\n<h4>PV \u5377\u7684\u7c7b\u578b<\/h4>\n<p>PV \u6301\u4e45\u5377\u662f\u7528\u63d2\u4ef6\u7684\u5f62\u5f0f\u6765\u5b9e\u73b0\u7684\u3002Kubernetes \u76ee\u524d\u652f\u6301\u4ee5\u4e0b\u63d2\u4ef6&#xff1a;<\/p>\n<ul>\n<li>csi &#8211; \u5bb9\u5668\u5b58\u50a8\u63a5\u53e3 (CSI)<\/li>\n<li>fc &#8211; Fibre Channel (FC) \u5b58\u50a8<\/li>\n<li>hostPath &#8211; HostPath \u5377 &#xff08;\u4ec5\u4f9b\u5355\u8282\u70b9\u6d4b\u8bd5\u4f7f\u7528&#xff1b;\u4e0d\u9002\u7528\u4e8e\u591a\u8282\u70b9\u96c6\u7fa4&#xff1b;\u8bf7\u5c1d\u8bd5\u4f7f\u7528 local \u5377\u4f5c\u4e3a\u66ff\u4ee3&#xff09;<\/li>\n<li>iscsi &#8211; iSCSI (SCSI over IP) \u5b58\u50a8<\/li>\n<li>local &#8211; \u8282\u70b9\u4e0a\u6302\u8f7d\u7684\u672c\u5730\u5b58\u50a8\u8bbe\u5907<\/li>\n<li>nfs &#8211; \u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf (NFS) \u5b58\u50a8<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u7684\u6301\u4e45\u5377\u5df2\u88ab\u5f03\u7528\u3002\u8fd9\u610f\u5473\u7740\u5f53\u524d\u4ecd\u662f\u652f\u6301\u7684&#xff0c;\u4f46\u662f Kubernetes \u5c06\u6765\u7684\u53d1\u884c\u7248\u4f1a\u5c06\u5176\u79fb\u9664\u3002<\/p>\n<ul>\n<li>azureFile &#8211; Azure File &#xff08;\u4e8e v1.21 \u5f03\u7528&#xff09;<\/li>\n<li>flexVolume &#8211; FlexVolume &#xff08;\u4e8e v1.23 \u5f03\u7528&#xff09;<\/li>\n<li>gcePersistentDisk &#8211; GCE Persistent Disk &#xff08;\u4e8e v1.17 \u5f03\u7528&#xff09;<\/li>\n<li>portworxVolume &#8211; Portworx \u5377 &#xff08;\u4e8e v1.25 \u5f03\u7528&#xff09;<\/li>\n<li>vsphereVolume &#8211; vSphere VMDK \u5377 &#xff08;\u4e8e v1.19 \u5f03\u7528&#xff09;<\/li>\n<li>cephfs &#8211; CephFS \u5377 &#xff08;\u4e8e v1.28 \u5f03\u7528&#xff09;<\/li>\n<li>rbd &#8211; Rados Block Device (RBD) \u5377 &#xff08;\u4e8e v1.28 \u5f03\u7528&#xff09;<\/li>\n<\/ul>\n<p>\u65e7\u7248\u672c\u7684 Kubernetes \u4ecd\u652f\u6301\u8fd9\u4e9b\u201c\u6811\u5185&#xff08;In-Tree&#xff09;\u201d\u6301\u4e45\u5377\u7c7b\u578b&#xff1a;<\/p>\n<ul>\n<li>awsElasticBlockStore &#8211; AWS Elastic Block Store (EBS) &#xff08;v1.27 \u5f00\u59cb\u4e0d\u53ef\u7528&#xff09;<\/li>\n<li>azureDisk &#8211; Azure Disk &#xff08;v1.27 \u5f00\u59cb\u4e0d\u53ef\u7528&#xff09;<\/li>\n<li>cinder &#8211; Cinder (OpenStack block storage) &#xff08;v1.27 \u5f00\u59cb\u4e0d\u53ef\u7528&#xff09;<\/li>\n<li>photonPersistentDisk &#8211; Photon \u63a7\u5236\u5668\u6301\u4e45\u5316\u76d8\u3002&#xff08;\u4ece v1.15 \u7248\u672c\u5f00\u59cb\u5c06\u4e0d\u53ef\u7528&#xff09;<\/li>\n<li>scaleIO &#8211; ScaleIO \u5377&#xff08;v1.21 \u4e4b\u540e\u4e0d\u53ef\u7528&#xff09;<\/li>\n<li>flocker &#8211; Flocker \u5b58\u50a8 &#xff08;v1.25 \u4e4b\u540e\u4e0d\u53ef\u7528&#xff09;<\/li>\n<li>quobyte &#8211; Quobyte \u5377 &#xff08;v1.25 \u4e4b\u540e\u4e0d\u53ef\u7528&#xff09;<\/li>\n<li>storageos &#8211; StorageOS \u5377 &#xff08;v1.25 \u4e4b\u540e\u4e0d\u53ef\u7528&#xff09;<\/li>\n<\/ul>\n<h4>\u539f\u59cb\u5757\u5377\u652f\u6301<\/h4>\n<p>\u7279\u6027\u72b6\u6001&#xff1a; Kubernetes v1.18 [stable]<\/p>\n<p>\u4ee5\u4e0b\u5377\u63d2\u4ef6\u652f\u6301\u539f\u59cb\u5757\u5377&#xff0c;\u5305\u62ec\u5176\u52a8\u6001\u5236\u5907&#xff08;\u5982\u679c\u652f\u6301\u7684\u8bdd&#xff09;\u7684\u5377&#xff1a;<\/p>\n<ul>\n<li>CSI<\/li>\n<li>FC&#xff08;\u5149\u7ea4\u901a\u9053&#xff09;<\/li>\n<li>GCEPersistentDisk&#xff08;\u5df2\u5f03\u7528&#xff09;<\/li>\n<li>iSCSI<\/li>\n<li>Local \u5377<\/li>\n<li>OpenStack Cinder<\/li>\n<li>RBD&#xff08;\u5df2\u5f03\u7528&#xff09;<\/li>\n<li>RBD&#xff08;Ceph \u5757\u8bbe\u5907&#xff0c;\u5df2\u5f03\u7528&#xff09;<\/li>\n<li>VsphereVolume<\/li>\n<\/ul>\n<p>pv\u793a\u4f8b<\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolume<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> block<span class=\"token punctuation\">&#8211;<\/span>pv<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">capacity<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 10Gi<br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">volumeMode<\/span><span class=\"token punctuation\">:<\/span> Block<br \/>\n  <span class=\"token key atrule\">persistentVolumeReclaimPolicy<\/span><span class=\"token punctuation\">:<\/span> Retain<br \/>\n  <span class=\"token key atrule\">fc<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">targetWWNs<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;50060e801049cfd1&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token key atrule\">lun<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><br \/>\n    <span class=\"token key atrule\">readOnly<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">false<\/span><\/p>\n<p>pvc\u793a\u4f8b<\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> PersistentVolumeClaim<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> block<span class=\"token punctuation\">&#8211;<\/span>pvc<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">accessModes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> ReadWriteOnce<br \/>\n  <span class=\"token key atrule\">volumeMode<\/span><span class=\"token punctuation\">:<\/span> Block<br \/>\n  <span class=\"token key atrule\">resources<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">requests<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">storage<\/span><span class=\"token punctuation\">:<\/span> 10Gi<\/p>\n<p>pod\u793a\u4f8b<\/p>\n<p><span class=\"token key atrule\">apiVersion<\/span><span class=\"token punctuation\">:<\/span> v1<br \/>\n<span class=\"token key atrule\">kind<\/span><span class=\"token punctuation\">:<\/span> Pod<br \/>\n<span class=\"token key atrule\">metadata<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> pod<span class=\"token punctuation\">&#8211;<\/span>with<span class=\"token punctuation\">&#8211;<\/span>block<span class=\"token punctuation\">&#8211;<\/span>volume<br \/>\n<span class=\"token key atrule\">spec<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">containers<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> fc<span class=\"token punctuation\">&#8211;<\/span>container<br \/>\n      <span class=\"token key atrule\">image<\/span><span class=\"token punctuation\">:<\/span> fedora<span class=\"token punctuation\">:<\/span><span class=\"token number\">26<\/span><br \/>\n      <span class=\"token key atrule\">command<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\/bin\/sh&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;-c&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token key atrule\">args<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span> <span class=\"token string\">&#034;tail -f \/dev\/null&#034;<\/span> <span class=\"token punctuation\">]<\/span><br \/>\n      <span class=\"token key atrule\">volumeDevices<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> data<br \/>\n          <span class=\"token key atrule\">devicePath<\/span><span class=\"token punctuation\">:<\/span> \/dev\/xvda<br \/>\n  <span class=\"token key atrule\">volumes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> data<br \/>\n      <span class=\"token key atrule\">persistentVolumeClaim<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token key atrule\">claimName<\/span><span class=\"token punctuation\">:<\/span> block<span class=\"token punctuation\">&#8211;<\/span>pvc<\/p>\n<p>**\u8bf4\u660e&#xff1a;**\u5411 Pod \u4e2d\u6dfb\u52a0\u539f\u59cb\u5757\u8bbe\u5907\u65f6&#xff0c;\u4f60\u8981\u5728\u5bb9\u5668\u5185\u8bbe\u7f6e\u8bbe\u5907\u8def\u5f84\u800c\u4e0d\u662f\u6302\u8f7d\u8def\u5f84\u3002<\/p>\n<h3>\u73af\u5883\u6e05\u7406<\/h3>\n<p>root&#064;master30:~<span class=\"token comment\"># kubectl delete ns storage<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes Volume \u5b8c\u6574\u5b9e\u6218&#xff1a;PV\/PVC\u3001\u5b58\u50a8\u5377\u7c7b\u578b\u4e0e\u6301\u4e45\u5316\u5b58\u50a8\u5168\u89e3\u6790Kubernetes Volume\u73af\u5883\u51c6\u5907Volume \u7c7b\u578bemptyDirhostPathNFS \u5b58\u50a8\u6301\u4e45\u6027\u5b58\u50a8PV \u548c PVC \u67b6\u6784\u521b\u5efa PV \u548c PVC\u521b\u5efa PV\u521b\u5efa PVC\u521b\u5efaPod\u4f7f\u7528PVPV accessModesPV volumeModesPVC\u4e0ePV\u5339\u914d\u89c4\u5219PV \u56de\u6536\u7b56\u7565Retain&#xff08;\u4fdd\u7559&#xff09;Recycle&#xff08;\u56de\u6536&amp;#xf<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[120,763,121],"topic":[],"class_list":["post-93038","post","type-post","status-publish","format-standard","hentry","category-server","tag-kubernetes","tag-763","tag-121"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kubernetes Volume \u5b8c\u6574\u5b9e\u6218\uff1aPV\/PVC\u3001\u5b58\u50a8\u5377\u7c7b\u578b\u4e0e\u6301\u4e45\u5316\u5b58\u50a8\u5168\u89e3\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\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.wsisp.com\/helps\/93038.html\" 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