{"id":76948,"date":"2024-03-07T14:20:24","date_gmt":"2024-03-07T06:20:24","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=76948"},"modified":"2024-03-07T14:20:24","modified_gmt":"2024-03-07T06:20:24","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8kubernetes%e4%b8%ad%e9%85%8d%e7%bd%ae%e6%8c%81%e4%b9%85%e5%8c%96%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/76948.html","title":{"rendered":"\u5982\u4f55\u5728Kubernetes\u4e2d\u914d\u7f6e\u6301\u4e45\u5316\u5b58\u50a8"},"content":{"rendered":"<p>\u5728<strong>Kubernetes\u4e2d\u914d\u7f6e\u6301\u4e45\u5316\u5b58\u50a8<\/strong>\u7684\u5173\u952e\u5305\u62ec\uff1a<strong>\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u3001\u521b\u5efaPersistentVolume\uff08PV\uff09\u548cPersistentVolumeCl<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>m\uff08PVC\uff09\u8d44\u6e90\u3001\u7406\u89e3\u5b58\u50a8\u7c7b\uff08StorageClass\uff09\u7684\u4f5c\u7528\u3001\u914d\u7f6e\u8bbf\u95ee\u6a21\u5f0f<\/strong>\u548c<strong>\u4e86\u89e3\u6570\u636e\u6301\u4e45\u5316\u65f6\u7684\u5b89\u5168\u6027\u8003\u8651<\/strong>\u3002\u914d\u7f6e\u6301\u4e45\u5316\u5b58\u50a8\u7684\u6b65\u9aa4\u786e\u4fdd\u4e86\u5728Kubernetes\u73af\u5883\u4e2d\u6570\u636e\u7684\u4fdd\u62a4\u548c\u6301\u4e45\u6027\uff0c\u5373\u4f7f\u5728Pod\u91cd\u542f\u540e\u4e5f\u80fd\u4fdd\u6301\u6570\u636e\u4e0d\u4e22\u5931\u3002<\/p>\n<p>\u9996\u5148\uff0c\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u662f\u5173\u952e\u7684\u4e00\u6b65\u3002Kubernetes\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u5b58\u50a8\u540e\u7aef\uff0c\u5982\u672c\u5730\u5b58\u50a8\u3001\u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\uff08NFS\uff09\u3001\u4e91\u5b58\u50a8\uff08\u4f8b\u5982AWS EBS\u3001Google Persistent Disk\u3001Azure Disk\uff09\uff0c\u4ee5\u53ca\u5206\u5e03\u5f0f\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\uff08\u5982Ceph\u548cGlusterFS\uff09\u3002<strong>\u4e0d\u540c\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u7528\u4f8b\u573a\u666f<\/strong>\uff0c\u56e0\u6b64\uff0c\u6839\u636e\u5e94\u7528\u7684\u9700\u8981\u548c\u53ef\u7528\u7684\u57fa\u7840\u8bbe\u65bd\u6765\u6311\u9009\u6700\u9002\u5408\u7684\u5b58\u50a8\u7cfb\u7edf\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>## \u4e00\u3001\u7406\u89e3KUBERNETES\u6301\u4e45\u5316\u5b58\u50a8\u6982\u5ff5<\/p>\n<p>\u5728\u6df1\u5165\u8ba8\u8bba\u5982\u4f55\u914d\u7f6e\u524d\uff0c\u9996\u5148\u9700\u8981\u7406\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n<p>### PersistentVolume\uff08PV\uff09<\/p>\n<p>PersistentVolume\uff08PV\uff09\u662f\u96c6\u7fa4\u4e2d\u7684\u4e00\u5757\u5b58\u50a8\u7a7a\u95f4\uff0c\u7531\u7ba1\u7406\u5458\u9884\u5148\u914d\u7f6e\u6216\u7531\u52a8\u6001\u4f9b\u5e94\u7cfb\u7edf\u81ea\u52a8\u4f9b\u5e94\u3002PV\u662f\u4e0ePod\u751f\u547d\u5468\u671f\u65e0\u5173\u7684\u8d44\u6e90\uff0c\u5373\u4f7fPod\u88ab\u5220\u9664\uff0cPV\u4e2d\u7684\u6570\u636e\u4e5f\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n<p>### PersistentVolumeClaim\uff08PVC\uff09<\/p>\n<p>PersistentVolumeClaim\uff08PVC\uff09\u662f\u7528\u6237\u5bf9\u5b58\u50a8\u7684\u8bf7\u6c42\u3002\u7528\u6237\u4e0d\u9700\u8981\u4e86\u89e3\u80cc\u540e\u7684\u5b58\u50a8\u5b9e\u73b0\u7ec6\u8282\uff0c\u53ea\u9700\u8981\u5728PVC\u4e2d\u6307\u5b9a\u6240\u9700\u7684\u5927\u5c0f\u548c\u8bbf\u95ee\u6a21\u5f0f\u5373\u53ef\u3002Kubernetes\u4f1a\u81ea\u52a8\u5904\u7406PV\u548cPVC\u4e4b\u95f4\u7684\u7ed1\u5b9a\u3002<\/p>\n<p>### StorageClass<\/p>\n<p>StorageClass\u662f\u4e00\u79cd\u63cf\u8ff0\u5b58\u50a8\u7c7b\u522b\u7684\u65b9\u6cd5\uff0c\u5b83\u51b3\u5b9a\u4e86\u5982\u4f55\u52a8\u6001\u4f9b\u5e94\u65b0\u7684PV\u3002\u5bf9\u4e8e\u652f\u6301\u52a8\u6001\u4f9b\u5e94\u7684\u73af\u5883\uff0cStorageClass\u4f7f\u5f97\u7528\u6237\u65e0\u9700\u624b\u52a8\u521b\u5efaPV\u3002<\/p>\n<p>## \u4e8c\u3001\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u89e3\u51b3\u65b9\u6848<\/p>\n<p>\u5728\u914d\u7f6e\u6301\u4e45\u5316\u5b58\u50a8\u4e4b\u524d\uff0c\u4e86\u89e3\u5e76\u9009\u62e9\u9002\u5408\u5e94\u7528\u548c\u96c6\u7fa4\u9700\u6c42\u7684\u5b58\u50a8\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>### \u672c\u5730VS\u7f51\u7edc\u5b58\u50a8 <\/p>\n<p>\u672c\u5730\u5b58\u50a8\u901a\u5e38\u6307\u7269\u7406\u8bbe\u5907\uff0c\u5982\u786c\u76d8\u6216SSD\u9a71\u52a8\u5668\uff0c\u5b83\u4eec\u8fde\u63a5\u5230\u8282\u70b9\u4e0a\u3002<strong>\u7f51\u7edc\u5b58\u50a8<\/strong>\u5219\u5141\u8bb8\u5b58\u50a8\u88ab\u591a\u4e2a\u8282\u70b9\u8bbf\u95ee\uff0c\u4f8b\u5982NFS\u6216\u4e91\u63d0\u4f9b\u5546\u7684\u6301\u4e45\u78c1\u76d8\u3002<\/p>\n<p>### \u4e91\u5b58\u50a8\u9009\u9879<\/p>\n<p>\u5bf9\u4e8e\u5728\u4e91\u73af\u5883\u4e2d\u8fd0\u884c\u7684Kubernetes\u96c6\u7fa4\uff0c\u5229\u7528\u4e91\u63d0\u4f9b\u5546\u7684\u5b58\u50a8\u670d\u52a1\u662f\u5e38\u89c1\u9009\u62e9\u3002Amazon EBS\u3001Google Persistent Disk\u548cAzure Disk\u7b49\u90fd\u6613\u4e8e\u96c6\u6210\u5e76\u652f\u6301\u52a8\u6001\u4f9b\u5e94\u3002<\/p>\n<p>## \u4e09\u3001\u521b\u5efaPERSISTENTVOLUME\u548cPERSISTENTVOLUMECLAIM\u8d44\u6e90<\/p>\n<p>\u4e00\u65e6\u786e\u5b9a\u4e86\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u521b\u5efaPV\u548cPVC\u8d44\u6e90\u3002<\/p>\n<p>### \u521b\u5efaPV<\/p>\n<p>PV\u7684\u521b\u5efa\u901a\u5e38\u9700\u8981\u5b9a\u4e49\u5b58\u50a8\u5927\u5c0f\u3001\u8bbf\u95ee\u6a21\u5f0f\uff08\u5982ReadWriteOnce\u3001ReadOnlyMany\u7b49\uff09\u548c\u5e95\u5c42\u5b58\u50a8\u5b9e\u73b0\u7ec6\u8282\u3002\u7ba1\u7406\u5458\u9700\u8981\u6839\u636e\u96c6\u7fa4\u7684\u5b58\u50a8\u540e\u7aef\u914d\u7f6e\u8fd9\u4e9b\u53c2\u6570\u3002<\/p>\n<p>### \u521b\u5efaPVC<\/p>\n<p>\u5f53\u7528\u6237\u9700\u8981\u4f7f\u7528\u5b58\u50a8\u65f6\uff0c\u4ed6\u4eec\u4f1a\u521b\u5efa\u4e00\u4e2aPVC\u6765\u8bf7\u6c42\u6240\u9700\u7684\u8d44\u6e90\u3002PVC\u4e2d\u4f1a\u6307\u5b9a\u5b58\u50a8\u7684\u5927\u5c0f\u548c\u8bbf\u95ee\u6a21\u5f0f\u3002<strong>Kubernetes\u4f1a\u5c1d\u8bd5\u5339\u914d\u4e00\u4e2a\u5408\u9002\u7684PV\u6765\u6ee1\u8db3PVC<\/strong>\u3002<\/p>\n<p>## \u56db\u3001\u914d\u7f6eSTORAGECLASS<\/p>\n<p>\u52a8\u6001\u5b58\u50a8\u4f9b\u5e94\u9700\u8981\u901a\u8fc7\u5b9a\u4e49StorageClass\u6765\u5b9e\u73b0\u3002<\/p>\n<p>### \u5b58\u50a8\u7c7b\u7684\u5b9a\u4e49<\/p>\n<p>\u5b9a\u4e49StorageClass\u6d89\u53ca\u5230\u6307\u5b9a\u4f9b\u5e94\u5668\uff08\u4e91\u5b58\u50a8\u670d\u52a1\u6216\u672c\u5730\u5b58\u50a8\u7cfb\u7edf\uff09\u3001\u4f9b\u5e94\u53c2\u6570\u548c\u91cd\u8981\u653f\u7b56\u3002\u5f53PVC\u521b\u5efa\u65f6\uff0cKubernetes\u4f7f\u7528StorageClass\u6765\u52a8\u6001\u521b\u5efa\u7b26\u5408\u8981\u6c42\u7684PV\u3002<\/p>\n<p>### \u4f7f\u7528StorageClass<\/p>\n<p>\u5f00\u53d1\u4eba\u5458\u6216\u7ba1\u7406\u5458\u5728PVC\u4e2d\u6307\u5b9a\u6240\u9700\u7684StorageClass\u3002\u82e5\u73af\u5883\u914d\u7f6e\u6b63\u786e\uff0c<strong>Kubernetes\u4f1a\u81ea\u52a8\u52a8\u6001\u521b\u5efaPV<\/strong>\u3002<\/p>\n<p>## \u4e94\u3001\u8bbf\u95ee\u6a21\u5f0f\u548c\u6570\u636e\u6301\u4e45\u5316<\/p>\n<p>\u8bbe\u7f6e\u8bbf\u95ee\u6a21\u5f0f\u548c\u7406\u89e3\u6570\u636e\u6301\u4e45\u5316\u7684\u8003\u8651\u4e8b\u9879\u5bf9\u4e8e\u786e\u4fdd\u5b58\u50a8\u914d\u7f6e\u6b63\u786e\u6267\u884c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>### \u8bbf\u95ee\u6a21\u5f0f<\/p>\n<p>\u8bbf\u95ee\u6a21\u5f0f\u5b9a\u4e49\u4e86PV\u53ef\u4ee5\u88abPod\u5982\u4f55\u4f7f\u7528\u3002\u5e38\u89c1\u6a21\u5f0f\u5305\u62ecReadWriteOnce\u3001ReadOnlyMany\u548cReadWriteMany\uff0c\u8fd9\u4e9b\u6a21\u5f0f\u76f4\u63a5\u5f71\u54cd\u591a\u4e2aPod\u662f\u5426\u53ef\u4ee5\u540c\u65f6\u6302\u8f7d\u5b58\u50a8\u3002<\/p>\n<p>### \u6570\u636e\u6301\u4e45\u5316\u548c\u5b89\u5168\u6027<\/p>\n<p>\u6301\u4e45\u5316\u5b58\u50a8\u4e0d\u4ec5\u6d89\u53ca\u6570\u636e\u7684\u4fdd\u5b58\uff0c\u8fd8\u5305\u62ec\u5907\u4efd\u3001\u6062\u590d\u4ee5\u53ca\u5b89\u5168\u6027\u63aa\u65bd\u3002\u914d\u7f6e\u52a0\u5bc6\u3001\u8bbf\u95ee\u63a7\u5236\u548c\u7f51\u7edc\u5b89\u5168\u653f\u7b56\u662f\u786e\u4fdd\u6570\u636e\u5b89\u5168\u7684\u5173\u952e\u6b65\u9aa4\u3002<\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u7ba1\u7406\u5458\u548c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u5728Kubernetes\u96c6\u7fa4\u4e2d\u6210\u529f\u914d\u7f6e\u548c\u4f7f\u7528\u6301\u4e45\u5316\u5b58\u50a8\u3002\u8fd9\u786e\u4fdd\u4e86\u4e1a\u52a1\u5e94\u7528\u7684\u6570\u636e\u5b8c\u6574\u6027\uff0c\u4f7f\u5f97\u5e94\u7528\u80fd\u591f\u5728\u9ad8\u53ef\u7528\u3001\u53ef\u6269\u5c55\u7684\u73af\u5883\u4e2d\u8fd0\u884c\u3002<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u5982\u4f55\u5728Kubernetes\u4e2d\u4e3aPod\u914d\u7f6e\u6301\u4e45\u5316\u5b58\u50a8\uff1f<\/strong><\/p>\n<p>\u5728Kubernetes\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7PersistentVolume\uff08PV\uff09\u548cPersistentVolumeClaim\uff08PVC\uff09\u6765\u914d\u7f6e\u6301\u4e45\u5316\u5b58\u50a8\u3002\u9996\u5148\uff0c\u7ba1\u7406\u5458\u9700\u8981\u521b\u5efa\u4e00\u4e2aPV\u5bf9\u8c61\uff0c\u6307\u5b9a\u5b58\u50a8\u7684\u7c7b\u578b\u3001\u8bbf\u95ee\u6a21\u5f0f\u548c\u5b58\u50a8\u5bb9\u91cf\u7b49\u4fe1\u606f\u3002\u7136\u540e\uff0c\u5e94\u7528\u5f00\u53d1\u8005\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aPVC\u5bf9\u8c61\uff0c\u6307\u5b9a\u6240\u9700\u5b58\u50a8\u7684\u5927\u5c0f\u548c\u8bbf\u95ee\u6a21\u5f0f\u3002\u6700\u540e\uff0c\u5c06PVC\u7ed1\u5b9a\u5230\u76f8\u5e94\u7684PV\u4e0a\uff0cPod\u53ef\u4ee5\u901a\u8fc7Volume\u6302\u8f7dPVC\u6765\u8bbf\u95ee\u6301\u4e45\u5316\u5b58\u50a8\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Kubernetes\u4e2d\u5b9e\u73b0\u52a8\u6001\u4f9b\u5e94\u7684\u6301\u4e45\u5316\u5b58\u50a8\uff1f<\/strong><\/p>\n<p>Kubernetes\u652f\u6301\u52a8\u6001\u4f9b\u5e94\u7684\u6301\u4e45\u5316\u5b58\u50a8\uff0c\u53ef\u4ee5\u8ba9\u7ba1\u7406\u5458\u66f4\u7075\u6d3b\u5730\u7ba1\u7406\u5b58\u50a8\u8d44\u6e90\u3002\u9996\u5148\uff0c\u9700\u8981\u5b89\u88c5\u652f\u6301\u52a8\u6001\u4f9b\u5e94\u7684\u5b58\u50a8\u63d2\u4ef6\uff0c\u5982CSI\uff08Container Storage Interface\uff09\u3002\u7136\u540e\uff0c\u521b\u5efaStorageClass\u5bf9\u8c61\uff0c\u6307\u5b9a\u5b58\u50a8\u63d2\u4ef6\u3001\u8bbf\u95ee\u6a21\u5f0f\u548c\u9ed8\u8ba4\u53c2\u6570\u7b49\u4fe1\u606f\u3002\u5f53\u521b\u5efaPVC\u65f6\u6307\u5b9aStorageClass\uff0cKubernetes\u5c06\u6839\u636e\u914d\u7f6e\u52a8\u6001\u521b\u5efaPV\u6765\u6ee1\u8db3PVC\u7684\u9700\u6c42\u3002\u8fd9\u6837\u53ef\u4ee5\u7b80\u5316\u5b58\u50a8\u7ba1\u7406\uff0c\u5e76\u786e\u4fdd\u5e94\u7528\u6709\u8db3\u591f\u7684\u5b58\u50a8\u8d44\u6e90\u3002<\/p>\n<p><strong>\u5728Kubernetes\u4e2d\u5982\u4f55\u8fdb\u884c\u6301\u4e45\u5316\u5b58\u50a8\u7684\u6269\u5c55\u548c\u6536\u7f29\uff1f<\/strong><\/p>\n<p>\u5728Kubernetes\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539PVC\u7684\u5b58\u50a8\u5bb9\u91cf\u6765\u6269\u5c55\u6216\u6536\u7f29\u6301\u4e45\u5316\u5b58\u50a8\u3002\u9996\u5148\uff0c\u53ef\u4ee5\u901a\u8fc7kubectl edit 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