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==单节点安装==
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==在rancher/rancher容器的内置etcd中,映射与宿主机的====/var/lib/rancher====目录下。==
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> 来自 <[https://docs.rancher.cn/rancher2x/faqs/important-issue.html#_11-%E4%B8%BA%E4%BB%80%E4%B9%88%E6%88%91%E7%9A%84l4%E5%B1%82%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1%E6%9C%8D%E5%8A%A1%E5%A4%84%E4%BA%8E-%E6%8C%82%E8%B5%B7-%E7%8A%B6%E6%80%81%EF%BC%9F](https://docs.rancher.cn/rancher2x/faqs/important-issue.html#_11-%E4%B8%BA%E4%BB%80%E4%B9%88%E6%88%91%E7%9A%84l4%E5%B1%82%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1%E6%9C%8D%E5%8A%A1%E5%A4%84%E4%BA%8E-%E6%8C%82%E8%B5%B7-%E7%8A%B6%E6%80%81%EF%BC%9F)>
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# Rancher 单节点存储位置
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## 存储位置
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Rancher 单节点安装时,所有数据存储在 **Rancher 容器的内置 etcd** 中。
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数据映射到宿主机的 `/var/lib/rancher` 目录:
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```
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/var/lib/rancher/
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├── k3s/ # K3s 数据
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├──rancher/ # Rancher 数据
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│ ├── etcd/ # 内置 etcd 数据库
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│ └── audit_log/ # 审计日志
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```
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## 重要数据
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| 路径 | 说明 |
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|------|------|
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| `/var/lib/rancher/rancher/` | Rancher 应用数据 |
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| `/var/lib/rancher/k3s/` | K3s 集群数据 |
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## 备份建议
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```bash
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# 备份 Rancher 数据
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docker stop rancher
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tar -czvf rancher-backup-$(date +%Y%m%d).tar.gz /var/lib/rancher/
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docker start rancher
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```
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## 恢复数据
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```bash
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# 停止 Rancher
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docker stop rancher
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# 恢复数据
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tar -xzvf rancher-backup-xxxxxxxx.tar.gz -C /
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# 启动 Rancher
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docker start rancher
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```
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---
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> ⚠️ **注意**:生产环境建议使用 Rancher HA 部署,避免单点故障。
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