{"id":33143,"date":"2026-09-11T10:00:00","date_gmt":"2026-09-11T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33143"},"modified":"2026-09-14T14:39:14","modified_gmt":"2026-09-14T06:39:14","slug":"k3s-high-availability-setup","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/k3s-high-availability-setup\/","title":{"rendered":"K3s \u9ad8\u53ef\u7528\u642d\u5efa\uff1a\u4e09\u53f0\u4e91\u670d\u52a1\u5668\u7ec4\u6210\u8f7b\u91cf\u5bb9\u5668\u96c6\u7fa4"},"content":{"rendered":"

\"K3s<\/p>\n

\u5f53\u4f60\u7684\u5e94\u7528\u4ece\u4e00\u4e2a\u6f14\u793a\u9879\u76ee\u771f\u6b63\u957f\u6210\u627f\u8f7d\u7528\u6237\u7684\u670d\u52a1\uff0c\u6700\u65e9\u66b4\u9732\u7684\u95ee\u9898\u5f80\u5f80\u4e0d\u662f\u6027\u80fd\uff0c\u800c\u662f\u53ef\u7528\u6027\uff1a\u4e00\u53f0\u670d\u52a1\u5668\u91cd\u542f\uff0c\u6240\u6709\u5bb9\u5668\u8ddf\u7740\u4e0b\u7ebf\uff1b\u63a7\u5236\u5e73\u9762\u4e00\u5b95\u673a\uff0c\u6574\u4e2a\u96c6\u7fa4\u65e2\u4e0d\u80fd\u53d1\u5e03\u4e5f\u4e0d\u80fd\u81ea\u6108\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u7528\u4e09\u53f0\u4e91\u670d\u52a1\u5668\uff08\u53ef\u6309\u9700\u5f00\u901a\u548c\u6269\u5bb9\u7684\u8fdc\u7a0b\u670d\u52a1\u5668\uff09\u642d\u5efa\u4e00\u5957 K3s \u9ad8\u53ef\u7528\u96c6\u7fa4\uff0c\u5e2e\u52a9\u4f60\u5728\u8fd0\u7ef4\u6210\u672c\u51e0\u4e4e\u4e0d\u53d8\u7684\u524d\u63d0\u4e0b\uff0c\u6d88\u9664\u63a7\u5236\u5e73\u9762\u7684\u5355\u70b9\u6545\u969c\u3002\u6574\u4e2a\u8fc7\u7a0b\u53ea\u9700\u8981\u51e0\u6761\u547d\u4ee4\uff0c\u8bfb\u5b8c\u5373\u53ef\u7167\u505a\u3002<\/p>\n

\u5728\u6b63\u5f0f\u52a8\u624b\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u82b1\u4e24\u5206\u949f\u5f04\u6e05\u695a K3s \u7684\u5b9a\u4f4d\uff0c\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u5b83\u7279\u522b\u9002\u5408\u4e2d\u5c0f\u56e2\u961f\u7684\u4e09\u8282\u70b9\u65b9\u6848\u3002\u5982\u679c\u4f60\u6b64\u524d\u63a5\u89e6\u8fc7\u5b8c\u6574\u7684 Kubernetes \u96c6\u7fa4\uff0c\u4f1a\u53d1\u73b0 K3s \u780d\u6389\u4e86\u5927\u91cf\u975e\u6838\u5fc3\u7ec4\u4ef6\uff0c\u4f46\u4fdd\u7559\u4e86\u642d\u5efa\u9ad8\u53ef\u7528\u67b6\u6784\u6240\u9700\u7684\u5173\u952e\u80fd\u529b\u3002\u66f4\u591a\u670d\u52a1\u5668\u4fa7\u7684\u57fa\u7840\u9009\u578b\u601d\u8def\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u6b64\u524d\u6574\u7406\u7684\u670d\u52a1\u5668\u8fd0\u7ef4\u4e13\u9898<\/a>\u3002<\/p>\n

K3s \u662f\u4ec0\u4e48\uff0c\u4e3a\u4ec0\u4e48\u4e09\u53f0\u662f\u9ad8\u53ef\u7528\u7684\u8d77\u70b9<\/h2>\n

K3s \u662f\u4e00\u4e2a\u4e3a\u8fb9\u7f18\u548c\u4e2d\u5c0f\u89c4\u6a21\u573a\u666f\u8bbe\u8ba1\u7684\u8f7b\u91cf\u7ea7 Kubernetes \u53d1\u884c\u7248\uff0c\u5355\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\u5c31\u5305\u542b\u4e86 API Server\u3001\u8c03\u5ea6\u5668\u3001\u63a7\u5236\u5668\u7ba1\u7406\u5668\u548c\u5bb9\u5668\u8fd0\u884c\u65f6\uff0c\u5b89\u88c5\u5305\u4e0d\u5230 100MB\uff0c\u9ed8\u8ba4\u5185\u5b58\u5360\u7528\u4e0d\u5230 512MB\u3002\u5b83\u548c\u6807\u51c6 Kubernetes \u7684 API \u5b8c\u5168\u517c\u5bb9\uff1a\u4f60\u5728\u522b\u5904\u5b66\u5230\u7684 Deployment\u3001Service\u3001Ingress \u5199\u6cd5\u53ef\u4ee5\u539f\u6837\u8fc1\u79fb\u8fc7\u6765\u3002<\/p>\n

\u9ad8\u53ef\u7528\u7684\u6838\u5fc3\u4e0d\u5728”\u670d\u52a1\u5668\u591a”\uff0c\u800c\u5728\u63a7\u5236\u5e73\u9762\uff08\u8d1f\u8d23\u96c6\u7fa4\u8c03\u5ea6\u548c\u72b6\u6001\u7ba1\u7406\u7684\u7ec4\u4ef6\u96c6\u5408\uff09\u662f\u5426\u6709\u5197\u4f59\u3002\u5355\u8282\u70b9 K3s \u5c31\u50cf\u53ea\u6709\u4e00\u540d\u503c\u73ed\u5458\u7684\u673a\u623f\uff1a\u503c\u73ed\u5458\u6253\u76f9\uff0c\u4e1a\u52a1\u5c31\u4e2d\u65ad\u3002K3s \u5185\u7f6e\u7684 etcd\uff08\u5206\u5e03\u5f0f\u952e\u503c\u5b58\u50a8\uff0c\u4fdd\u5b58\u6574\u4e2a\u96c6\u7fa4\u7684\u72b6\u6001\u6570\u636e\uff09\u9ad8\u53ef\u7528\u90e8\u7f72\u8981\u6c42\u81f3\u5c11 3 \u4e2a server \u8282\u70b9\u2014\u2014\u8fd9\u662f Raft \u4e00\u81f4\u6027\u7b97\u6cd5\u5bf9\u5bb9\u9519\u7684\u8981\u6c42\uff1a3 \u8282\u70b9\u53ef\u5bb9\u5fcd 1 \u53f0\u6545\u969c\uff0c5 \u8282\u70b9\u53ef\u5bb9\u5fcd 2 \u53f0\u3002\u5bf9\u5927\u591a\u6570\u4e1a\u52a1\uff0c3 \u53f0 server \u8d77\u6b65\u3001\u4e4b\u540e\u6309\u9700\u8ffd\u52a0 agent \u5de5\u4f5c\u8282\u70b9\uff0c\u662f\u6210\u672c\u548c\u53ef\u9760\u6027\u7684\u5e73\u8861\u70b9\uff1a\u4efb\u4e00\u53f0\u6545\u969c\uff0c\u96c6\u7fa4\u7ba1\u7406\u80fd\u529b\u4e0d\u53d7\u5f71\u54cd\uff1b\u6eda\u52a8\u7ef4\u62a4\u4e0d\u518d\u9700\u8981\u505c\u673a\u7a97\u53e3\uff1b\u96c6\u7fa4\u72b6\u6001\u6709\u4e09\u526f\u672c\uff0c\u914d\u5408\u5907\u4efd\u5373\u4f7f\u4e00\u53f0\u6570\u636e\u635f\u574f\u4e5f\u80fd\u6062\u590d\u3002\u5982\u679c\u4f60\u8fd8\u5728\u8bc4\u4f30\u4e1a\u52a1\u8be5\u7528\u4ec0\u4e48\u5f62\u6001\u7684\u4e3b\u673a\u627f\u8f7d\uff0c\u53ef\u4ee5\u5148\u770b\u8fd9\u7bc7\u72ec\u7acb\u670d\u52a1\u5668\u4e0e VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u7684\u9009\u578b\u5bf9\u6bd4<\/a>\u3002<\/p>\n

\u642d\u5efa\u524d\u7684\u51c6\u5907\u6e05\u5355<\/h2>\n

\u4e09\u53f0\u670d\u52a1\u5668\u662f\u552f\u4e00\u7684\u786c\u6027\u6295\u5165\u3002\u6bcf\u53f0\u5efa\u8bae\u81f3\u5c11 2 \u6838 CPU\u30014GB \u5185\u5b58\u548c 40GB \u7cfb\u7edf\u76d8\uff0c\u8fd0\u884c\u4e3b\u6d41\u7684 64 \u4f4d Linux \u53d1\u884c\u7248\uff08\u5982 Ubuntu 22.04 \u6216 Debian 12\uff09\uff0c\u5e76\u9884\u5148\u5b89\u88c5\u597d\u5bb9\u5668\u8fd0\u884c\u65f6\u4f9d\u8d56\u3002\u4e09\u53f0\u673a\u5668\u4e4b\u95f4\u5fc5\u987b\u80fd\u4e92\u76f8\u89e3\u6790\u4e3b\u673a\u540d\u2014\u2014\u6700\u7b80\u5355\u7684\u505a\u6cd5\u662f\u5728\u6bcf\u53f0\u7684 \/etc\/hosts<\/code> \u91cc\u5199\u4e0a\u53e6\u5916\u4e24\u53f0\u7684\u5185\u7f51 IP \u548c\u4e3b\u673a\u540d\uff0c\u4f8b\u5982 10.0.0.11 k3s-server-1<\/code>\u3002\u5982\u679c\u4e91\u670d\u52a1\u5668\u5728\u540c\u4e00\u5185\u7f51\uff0c\u4f18\u5148\u8d70\u5185\u7f51\u901a\u4fe1\uff0c\u65e2\u964d\u4f4e\u5ef6\u8fdf\u4e5f\u51cf\u5c11\u516c\u7f51\u66b4\u9732\u9762\u3002<\/p>\n

\u7f51\u7edc\u548c\u5b89\u5168\u7ec4\u65b9\u9762\uff0c\u8282\u70b9\u95f4\u9700\u8981\u653e\u884c K3s \u4f7f\u7528\u7684\u7aef\u53e3\uff1a6443\uff08Kubernetes API\uff09\u30012379 \u548c 2380\uff08etcd \u5ba2\u6237\u7aef\u4e0e\u8282\u70b9\u95f4\u901a\u4fe1\uff09\u300110250\uff08kubelet\uff09\u3002\u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c2379\/2380 \u53ea\u5e94\u5bf9\u96c6\u7fa4\u5185\u7f51\u5f00\u653e\uff0c\u4e0d\u8981\u66b4\u9732\u5230\u516c\u7f51\u3002\u540c\u65f6\u7ed9\u6bcf\u53f0\u670d\u52a1\u5668\u914d\u597d\u72ec\u7acb\u7684 SSH \u5bc6\u94a5\u767b\u5f55\uff0c\u5173\u95ed\u5bc6\u7801\u8ba4\u8bc1\u2014\u2014\u8fd9\u5957\u96c6\u7fa4\u5c06\u627f\u8f7d\u4f60\u7684\u4e1a\u52a1\u6d41\u91cf\uff0c\u5165\u53e3\u5b89\u5168\u4e0d\u80fd\u7701\u3002<\/p>\n

\"K3s<\/p>\n

\u89c4\u5212\u597d\u673a\u5668\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u5165\u6b63\u5f0f\u5b89\u88c5\u3002\u4e0b\u9762\u7684\u64cd\u4f5c\u5168\u90e8\u4ee5 root \u6216\u5177\u5907 sudo \u6743\u9650\u7684\u7528\u6237\u6267\u884c\uff0c\u4e09\u53f0\u670d\u52a1\u5668\u5206\u522b\u547d\u540d\u4e3a k3s-server-1\u3001k3s-server-2\u3001k3s-server-3\u3002<\/p>\n

\u7b2c\u4e00\u6b65\uff1a\u521d\u59cb\u5316\u7b2c\u4e00\u4e2a server \u8282\u70b9<\/h2>\n

\u5728\u7b2c\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u6267\u884c K3s \u5b98\u65b9\u5b89\u88c5\u811a\u672c\uff0c\u5e76\u663e\u5f0f\u6307\u5b9a\u4f7f\u7528\u5185\u7f6e etcd\uff1a<\/p>\n

\ncurl -sfL https:\/\/get.k3s.io | sh -s - server \\\n  --node-name k3s-server-1 \\\n  --write-kubeconfig-mode 644\n<\/pre>\n
\u811a\u672c\u6267\u884c\u5b8c\u6210\u540e\uff0c\u7528\u4e24\u6761\u547d\u4ee4\u9a8c\u8bc1\u670d\u52a1\u72b6\u6001\uff1asystemctl status k3s<\/code> \u5e94\u663e\u793a active (running)\uff1bkubectl get nodes<\/code> \u5e94\u8f93\u51fa\u4e00\u4e2a Ready \u72b6\u6001\u7684 control-plane \u8282\u70b9\u3002\u6b64\u65f6\u96c6\u7fa4\u4ecd\u662f\u5355\u8282\u70b9\u5f62\u6001\uff0cetcd \u91cc\u53ea\u6709\u4e00\u4efd\u6295\u7968\u6210\u5458\uff0c\u63a5\u4e0b\u6765\u8981\u628a\u53e6\u5916\u4e24\u53f0\u52a0\u8fdb\u6765\u51d1\u6ee1\u4e09\u7968\u3002<\/p>\n
\u5b89\u88c5\u8fc7\u7a0b\u4f1a\u5728 \/var\/lib\/rancher\/k3s\/server<\/code> \u4e0b\u751f\u6210\u8282\u70b9\u8bc1\u4e66\u548c token\u3002\u6267\u884c cat \/var\/lib\/rancher\/k3s\/server\/node-token<\/code>\uff0c\u8bb0\u4e0b\u8fd9\u4e2a token\uff0c\u52a0\u5165\u96c6\u7fa4\u7684\u8282\u70b9\u90fd\u8981\u7528\u5b83\u5b8c\u6210\u8ba4\u8bc1\u3002\u8fd9\u4e2a\u6587\u4ef6\u7b49\u540c\u4e8e\u96c6\u7fa4\u7684\u94a5\u5319\uff0c\u8bfb\u53d6\u540e\u5efa\u8bae\u9650\u5236\u6743\u9650\uff0c\u4e0d\u8981\u7559\u5728\u547d\u4ee4\u884c\u5386\u53f2\u91cc\u3002<\/p>\n
\u7b2c\u4e8c\u6b65\uff1a\u52a0\u5165\u7b2c\u4e8c\u3001\u4e09\u53f0 server \u8282\u70b9<\/h2>\n
\u5728\u53e6\u5916\u4e24\u53f0\u670d\u52a1\u5668\u4e0a\u6267\u884c\u540c\u6837\u7684\u5b89\u88c5\u811a\u672c\uff0c\u591a\u4f20\u4e24\u4e2a\u53c2\u6570\u2014\u2014server \u8282\u70b9\u5730\u5740\u548c\u4e0a\u4e00\u6b65\u62ff\u5230\u7684 token\uff1a<\/p>\n
\ncurl -sfL https:\/\/get.k3s.io | sh -s - server \\\n  --node-name k3s-server-2 \\\n  --server https:\/\/10.0.0.11:6443 \\\n  --token <\u4f60\u7684node-token>\n<\/pre>\n
\u7b2c\u4e09\u53f0\u628a --node-name<\/code> \u6362\u6210 k3s-server-3 \u5373\u53ef\u3002\u6bcf\u53f0\u52a0\u5165\u540e\uff0c\u56de\u5230\u7b2c\u4e00\u53f0\u6267\u884c kubectl get nodes<\/code>\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\u4f60\u4f1a\u770b\u5230\u8282\u70b9\u5217\u8868\u4ece 1 \u4e2a\u9010\u6e10\u53d8\u6210 3 \u4e2a\uff0c\u5168\u90e8\u4e3a Ready\uff0c\u89d2\u8272\u4e3a control-plane,etcd,master\u3002\u518d\u6267\u884c kubectl get componentstatuses<\/code> \u6216\u67e5\u770b k3s etcd<\/code> \u76f8\u5173\u65e5\u5fd7\uff0c\u786e\u8ba4 etcd \u96c6\u7fa4\u6709\u4e09\u4e2a\u5065\u5eb7\u7684\u6210\u5458\u3002<\/p>\n
\u81f3\u6b64\u9ad8\u53ef\u7528\u63a7\u5236\u5e73\u9762\u5df2\u7ecf\u6210\u578b\u3002\u4e00\u4e2a\u76f4\u89c2\u7684\u9a8c\u8bc1\u65b9\u6cd5\u662f\u6a21\u62df\u6545\u969c\uff1a\u76f4\u63a5 shutdown -r now<\/code> \u91cd\u542f\u5176\u4e2d\u4efb\u610f\u4e00\u53f0\uff0c\u7136\u540e\u5728\u5269\u4e0b\u4e24\u53f0\u4e0a\u6267\u884c kubectl get pods -A<\/code>\u2014\u2014\u547d\u4ee4\u5e94\u5f53\u6b63\u5e38\u8fd4\u56de\uff0c\u8bf4\u660e API Server \u7684\u5197\u4f59\u751f\u6548\u4e86\uff1b\u7b49\u91cd\u542f\u7684\u8282\u70b9\u56de\u6765\uff0c\u5b83\u4f1a\u81ea\u52a8\u91cd\u65b0\u540c\u6b65\u6570\u636e\u3002\u5982\u679c\u540e\u7eed\u8981\u6269\u5c55\u4e1a\u52a1\u627f\u8f7d\u80fd\u529b\uff0c\u7528\u540c\u6837\u7684 token \u52a0\u5165 --agent<\/code> \u6a21\u5f0f\u7684\u7eaf\u5de5\u4f5c\u8282\u70b9\u5373\u53ef\uff0c\u4e0d\u9700\u8981\u518d\u52a8\u63a7\u5236\u5e73\u9762\u3002<\/p>\n
\u7b2c\u4e09\u6b65\uff1a\u90e8\u7f72\u4e1a\u52a1\u5e76\u9a8c\u8bc1\u8c03\u5ea6\u884c\u4e3a<\/h2>\n
\u63a7\u5236\u5e73\u9762\u5c31\u7eea\u540e\uff0c\u5148\u90e8\u7f72\u4e00\u4e2a\u591a\u526f\u672c\u5e94\u7528\u89c2\u5bdf\u8c03\u5ea6\u3002\u628a\u4e0b\u9762\u7684\u6e05\u5355\u4fdd\u5b58\u4e3a demo-deployment.yaml<\/code>\uff1a<\/p>\n
\napiVersion: apps\/v1\nkind: Deployment\nmetadata:\n  name: web\nspec:\n  replicas: 3\n  selector:\n    matchLabels:\n      app: web\n  template:\n    metadata:\n      labels:\n        app: web\n    spec:\n      containers:\n        - name: web\n          image: nginx:1.27\n          ports:\n            - containerPort: 80\n<\/pre>\n
\u6267\u884c kubectl apply -f demo-deployment.yaml<\/code>\uff0c\u7136\u540e kubectl get pods -o wide<\/code>\u3002\u4f60\u4f1a\u770b\u5230\u4e09\u4e2a\u526f\u672c\u88ab\u81ea\u52a8\u5206\u6563\u5230\u4e0d\u540c\u8282\u70b9\u2014\u2014\u8fd9\u662f\u8c03\u5ea6\u5668\u5bf9\u9ad8\u53ef\u7528\u96c6\u7fa4\u7684\u57fa\u672c\u529f\u3002\u63a5\u7740\u91cd\u590d\u4e00\u6b21\u524d\u9762\u7684\u91cd\u542f\u5b9e\u9a8c\uff1a\u5173\u6389\u4e00\u53f0 server\uff0c\u7a0d\u7b49\u7247\u523b\u518d kubectl get pods -o wide<\/code>\uff0cweb \u526f\u672c\u4f1a\u88ab\u91cd\u65b0\u8c03\u5ea6\u5230\u5b58\u6d3b\u7684\u8282\u70b9\u4e0a\uff0c\u4e1a\u52a1\u8bf7\u6c42\u4e0d\u4e2d\u65ad\u3002\u8fd9\u4e2a”\u5173\u4e00\u53f0\u3001\u4e1a\u52a1\u7167\u5e38”\u7684\u73b0\u8c61\uff0c\u5c31\u662f\u4e09\u8282\u70b9\u67b6\u6784\u4ea4\u4ed8\u7684\u6838\u5fc3\u4ef7\u503c\u3002<\/p>\n
\u5bf9\u5916\u66b4\u9732\u670d\u52a1\u65f6\uff0cK3s \u9ed8\u8ba4\u5185\u7f6e\u4e86 Service LB\uff08\u628a\u8d1f\u8f7d\u5747\u8861\u5668\u8dd1\u5728\u96c6\u7fa4\u8282\u70b9\u4e0a\uff09\u548c Traefik Ingress\uff0c\u4e0d\u9700\u8981\u989d\u5916\u5b89\u88c5\u7ec4\u4ef6\u3002\u628a Service \u7c7b\u578b\u8bbe\u4e3a LoadBalancer\uff0c\u6216\u5728 Ingress \u91cc\u7ed1\u5b9a\u57df\u540d\uff0c\u5373\u53ef\u8ba9\u6d41\u91cf\u8fdb\u5165\u96c6\u7fa4\u3002\u96c6\u7fa4\u5bf9\u5916\u4f9d\u8d56\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u8d28\u91cf\uff0c\u4e09\u53f0\u673a\u5668\u4e4b\u95f4\u7684\u5ef6\u8fdf\u548c\u4e22\u5305\u76f4\u63a5\u51b3\u5b9a etcd \u7684\u540c\u6b65\u6548\u7387\uff0c\u9009\u8d2d\u6216\u81ea\u67e5\u65f6\u53ef\u4ee5\u53c2\u8003\u8fd9\u7bc7\u6d77\u5916\u670d\u52a1\u5668\u8fde\u901a\u6027\u68c0\u6d4b\u65b9\u6cd5<\/a>\uff0c\u5148\u628a\u5185\u7f51\u94fe\u8def\u8d28\u91cf\u786e\u8ba4\u597d\u518d\u4e0a\u7ebf\u4e1a\u52a1\u3002<\/p>\n
\u8bc1\u4e66\u81ea\u52a8\u7eed\u671f\u4e0e\u65e5\u5e38\u8fd0\u7ef4<\/h2>\n
K3s \u7684\u7ec4\u4ef6\u8bc1\u4e66\u9ed8\u8ba4\u6709\u6548\u671f\u4e00\u5e74\uff0c\u4e14\u4f1a\u5728\u8282\u70b9\u542f\u52a8\u65f6\u5bf9\u5df2\u8fc7\u671f\u6216 120 \u5929\u5185\u5230\u671f\u7684\u8bc1\u4e66\u81ea\u52a8\u7eed\u671f\u3002\u8fd9\u610f\u5473\u7740\u53ea\u8981\u4f60\u4fdd\u6301\u670d\u52a1\u5668\u5b9a\u671f\u91cd\u542f\u6216\u5347\u7ea7\uff08\u5927\u591a\u6570\u56e2\u961f\u6bcf\u6708\u81f3\u5c11\u4e00\u6b21\uff09\uff0c\u5c31\u4e0d\u9700\u8981\u624b\u52a8\u5e72\u9884\u8bc1\u4e66\u3002\u60f3\u786e\u8ba4\u5f53\u524d\u8bc1\u4e66\u72b6\u6001\uff0c\u53ef\u4ee5\u67e5\u770b \/var\/lib\/rancher\/k3s\/server\/tls<\/code> \u76ee\u5f55\u4e0b\u5404 .crt<\/code> \u6587\u4ef6\u7684\u5230\u671f\u65f6\u95f4\uff0c\u4f8b\u5982\u7528 openssl x509 -enddate -noout -in serving-kube-apiserver.crt<\/code>\u3002<\/p>\n
\u5907\u4efd\u662f\u53e6\u4e00\u6761\u751f\u547d\u7ebf\u3002K3s \u5b98\u65b9\u660e\u786e\uff1a\u4f7f\u7528\u5185\u7f6e etcd \u65f6\uff0c\u5feb\u7167\u5fc5\u987b\u5305\u542b\u6574\u4e2a server\/db\/<\/code> \u76ee\u5f55\u548c server\/token<\/code> \u6587\u4ef6\uff0c\u53ea\u62f7\u8d1d\u5176\u4e2d\u4e00\u90e8\u5206\u65e0\u6cd5\u53ef\u9760\u6062\u590d\u3002\u65e5\u5e38\u53ef\u4ee5\u7528 k3s etcd-snapshot save<\/code> \u751f\u6210\u5feb\u7167\uff0c\u518d\u628a \/var\/lib\/rancher\/k3s\/server\/db\/<\/code> \u548c \/var\/lib\/rancher\/k3s\/server\/token<\/code> \u4e00\u8d77\u540c\u6b65\u5230\u96c6\u7fa4\u5916\u7684\u5b58\u50a8\u3002\u6062\u590d\u65f6\u5728\u65b0\u8282\u70b9\u4e0a\u901a\u8fc7 --cluster-reset<\/code> \u52a0\u5feb\u7167\u8def\u5f84\u91cd\u5efa\uff0c\u5177\u4f53\u547d\u4ee4\u4ee5\u4f60\u6240\u7528\u7248\u672c\u7684\u5b98\u65b9\u6587\u6863\u4e3a\u51c6\u3002<\/p>\n
\u8282\u70b9\u7684\u7cfb\u7edf\u5c42\u7ef4\u62a4\u540c\u6837\u4e0d\u80fd\u5ffd\u7565\uff1a\u5b9a\u671f\u66f4\u65b0\u5185\u6838\u4e0e\u5b89\u5168\u8865\u4e01\u3001\u76d1\u63a7\u78c1\u76d8\u548c\u5185\u5b58\u6c34\u4f4d\u3001\u4e3a\u5bb9\u5668\u955c\u50cf\u4fdd\u7559\u6e05\u7406\u7b56\u7565\uff08K3s \u81ea\u5e26\u955c\u50cf\u5783\u573e\u56de\u6536\uff0c\u4f46\u9608\u503c\u9700\u8981\u6309\u4e1a\u52a1\u8c03\u6821\uff09\u3002\u8fd9\u4e9b\u65e5\u5e38\u52a8\u4f5c\u770b\u4f3c\u7410\u788e\uff0c\u5374\u51b3\u5b9a\u4e86\u9ad8\u53ef\u7528\u67b6\u6784\u5728\u771f\u5b9e\u6545\u969c\u9762\u524d\u7684\u6210\u8272\u3002\u60f3\u7cfb\u7edf\u4e86\u89e3\u4e3b\u673a\u5c42\u9762\u7684\u8fd0\u7ef4\u8282\u594f\uff0c\u53ef\u4ee5\u53c2\u8003\u4e3b\u673a\u6027\u80fd\u4f18\u5316\u6307\u5357<\/a>\u3002<\/p>\n
\"K3s<\/p>\n
\u5355\u8282\u70b9\u4e0e\u4e09\u8282\u70b9\u9ad8\u53ef\u7528\u7684\u53d6\u820d<\/h2>\n
\u5728\u6536\u5c3e\u4e4b\u524d\uff0c\u628a\u4e24\u79cd\u5f62\u6001\u7684\u5dee\u5f02\u8bf4\u900f\uff0c\u65b9\u4fbf\u4f60\u5bf9\u7167\u81ea\u5df1\u7684\u4e1a\u52a1\u505a\u51b3\u7b56\u3002\u5355\u8282\u70b9 K3s \u7684\u63a7\u5236\u5e73\u9762\u548c\u6570\u636e\u9762\u5728\u540c\u4e00\u53f0\u673a\u5668\u4e0a\uff0c\u4f18\u70b9\u662f\u6210\u672c\u6700\u4f4e\u3001\u8fd0\u7ef4\u6700\u7b80\u5355\uff0c\u7f3a\u70b9\u662f\u8fd9\u53f0\u673a\u5668\u7684\u4efb\u4f55\u6545\u969c\u90fd\u4f1a\u76f4\u63a5\u4f53\u73b0\u4e3a\u4e1a\u52a1\u4e2d\u65ad\uff0c\u5347\u7ea7\u4e5f\u5fc5\u987b\u505c\u673a\u3002<\/p>\n
\u4ece\u6210\u672c\u770b\uff0c\u4e09\u53f0 2 \u6838 4GB \u7684\u4e91\u670d\u52a1\u5668\u6708\u652f\u51fa\u901a\u5e38\u4ecd\u4f4e\u4e8e\u4e00\u53f0\u540c\u7b49\u603b\u7b97\u529b\u7684\u9ad8\u914d\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u4f46\u6362\u5230\u7684\u662f\u6545\u969c\u9694\u79bb\u548c\u6eda\u52a8\u7ef4\u62a4\u80fd\u529b\u3002\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u5df2\u6709\u660e\u786e\u7684\u670d\u52a1\u7b49\u7ea7\u8981\u6c42\uff08\u6bd4\u5982\u66f4\u65b0\u4e0d\u8bb8\u505c\u673a\u3001\u5355\u673a\u6545\u969c\u5fc5\u987b\u5728\u51e0\u5206\u949f\u5185\u81ea\u6108\uff09\uff0c\u4e09\u8282\u70b9\u662f\u5fc5\u8981\u6295\u5165\uff1b\u5982\u679c\u8fd8\u5904\u4e8e\u65e9\u671f\u9a8c\u8bc1\u9636\u6bb5\uff0c\u5148\u7528\u5355\u8282\u70b9\u8dd1\u901a\u3001\u6570\u636e\u5907\u4efd\u505a\u624e\u5b9e\uff0c\u518d\u5e73\u6ed1\u6269\u5230\u4e09\u8282\u70b9\u4e5f\u4e0d\u8fdf\u2014\u2014K3s \u5141\u8bb8\u540e\u7eed\u8ffd\u52a0 server \u8282\u70b9\uff0c\u4e0d\u9700\u8981\u63a8\u5012\u91cd\u6765\u3002\u4e91\u670d\u52a1\u5668\uff08Cloud Server\uff09\u5382\u5546\u7684\u8d28\u91cf\u53c2\u5dee\u4e5f\u4f1a\u76f4\u63a5\u5f71\u54cd\u96c6\u7fa4\u7a33\u5b9a\u6027\uff0c\u9009\u578b\u65f6\u53ef\u4ee5\u7ed3\u5408\u8fd9\u7bc7\u6d77\u5916\u4e91\u670d\u52a1\u5668\u98ce\u9669\u5ba1\u8ba1<\/a>\u9010\u9879\u6392\u67e5\uff0c\u907f\u514d\u628a\u96c6\u7fa4\u5efa\u5728\u4e0d\u7262\u9760\u7684\u5730\u57fa\u4e0a\u3002<\/p>\n
\u603b\u7ed3\u4e0e\u4e0b\u4e00\u6b65\u884c\u52a8<\/h2>\n
\u603b\u7ed3\u4e00\u4e0b\uff1a\u4e09\u53f0\u4e91\u670d\u52a1\u5668\u52a0\u5185\u7f6e etcd \u7684 K3s \u662f\u4e2d\u5c0f\u56e2\u961f\u6027\u4ef7\u6bd4\u5f88\u9ad8\u7684\u9ad8\u53ef\u7528\u5bb9\u5668\u96c6\u7fa4\u65b9\u6848\u2014\u20143 \u8282\u70b9\u5bb9\u5fcd 1 \u53f0\u6545\u969c\uff0c\u8bc1\u4e66\u81ea\u52a8\u7eed\u671f\u7701\u53bb\u624b\u5de5\u8fd0\u7ef4\uff0c\u5feb\u7167\u5907\u4efd\u8986\u76d6 server\/db\/<\/code> \u4e0e server\/token<\/code> \u540e\u5373\u53ef\u53ef\u9760\u6062\u590d\u3002\u6211\u4eec\u7684\u5efa\u8bae\u662f\u5206\u4e09\u6b65\u8d70\uff1a\u5148\u7528\u4e00\u53f0\u673a\u5668\u8dd1\u901a\u5e94\u7528\u90e8\u7f72\uff0c\u518d\u8865\u9f50\u4e09\u8282\u70b9\u63a7\u5236\u5e73\u9762\uff0c\u6700\u540e\u628a\u81ea\u52a8\u5316\u5907\u4efd\u63a5\u5230\u96c6\u7fa4\u5916\u7684\u5b58\u50a8\u4e0a\u3002\u5982\u679c\u4f60\u9700\u8981\u4e3a\u8fd9\u5957\u96c6\u7fa4\u6311\u9009\u7a33\u5b9a\u3001\u5185\u7f51\u4e92\u901a\u7684\u4e91\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u8003\u8651 Hostease \u7684\u4e91\u670d\u52a1\u5668\u65b9\u6848\uff0c\u4e09\u53f0\u540c\u533a\u57df\u5185\u7f51\u7ec4\u5efa K3s \u96c6\u7fa4\u5373\u5f00\u5373\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7528\u4e09\u53f0\u4e91\u670d\u52a1\u5668\u642d\u5efa K3s \u9ad8\u53ef\u7528\u96c6\u7fa4\uff1a\u5185\u7f6e etcd \u4e09\u8282\u70b9\u67b6\u6784\u3001\u8bc1\u4e66\u81ea\u52a8\u7eed\u671f\u4e0e\u5907\u4efd\u6062\u590d\uff0c\u672c\u6587\u63d0\u4f9b\u5b8c\u6574\u547d\u4ee4\u4e0e\u8fd0\u7ef4\u8981\u70b9\u3002<\/p>\n","protected":false},"author":2,"featured_media":33140,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[5001,4381,111,5073],"class_list":["post-33143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-etcd","tag-k3s","tag-111","tag-5073"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/09\/k3s-high-availability-setup-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=33143"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33143\/revisions"}],"predecessor-version":[{"id":33164,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/33143\/revisions\/33164"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/33140"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=33143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=33143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=33143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}