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DM: add a step about encrypting the database password (#17626) #17646

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Jun 11, 2024
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DM: add a step about encrypting the database password (#17626) #17646

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Update deploy-a-dm-cluster-using-tiup.md
hfxsd Jun 11, 2024
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Update dm/deploy-a-dm-cluster-using-tiup.md
hfxsd Jun 11, 2024
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Update dm/deploy-a-dm-cluster-using-tiup.md
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10 changes: 8 additions & 2 deletions dm/deploy-a-dm-cluster-using-tiup.md
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Expand Up @@ -15,9 +15,11 @@ summary: 学习如何使用 TiUP DM 组件来部署 TiDB Data Migration 工具

## 前提条件

当 DM 执行全量数据复制任务时，每个 DM-worker 只绑定一个上游数据库。DM-worker 首先在上游导出全部数据，然后将数据导入下游数据库。因此，DM-worker 的主机空间需要容纳所有要导出的上游表，具体存储路径在后续创建迁移任务时指定。
- 当 DM 执行全量数据复制任务时，每个 DM-worker 只绑定一个上游数据库。DM-worker 首先在上游导出全部数据，然后将数据导入下游数据库。因此，DM-worker 的主机空间需要容纳所有要导出的上游表，具体存储路径在后续创建迁移任务时指定。

另外，部署 DM 集群需参照 [DM 集群软硬件环境需求](/dm/dm-hardware-and-software-requirements.md)，满足相应要求。
- 部署 DM 集群需参照 [DM 集群软硬件环境需求](/dm/dm-hardware-and-software-requirements.md)，满足相应要求。

- 从 v8.0.0 开始，如果需要使用[加密数据库密码](/dm/dm-manage-source.md#加密数据库密码)的方式配置 DM 任务，需要提前在 DM-master 存储一个[用于加解密数据库密码的密钥文件](/dm/dm-customized-secret-key.md)，且配置 [`secret-key-path`](/dm/dm-master-configuration-file.md) 后才可使用 `dmctl encrypt` 命令。

## 第 1 步：在中控机上安装 TiUP 组件

Expand Down Expand Up @@ -233,3 +235,7 @@ tiup dm display dm-test
dmctl 是用来控制集群运行命令的工具，推荐[通过 TiUP 获取该工具](/dm/maintain-dm-using-tiup.md#集群控制工具-dmctl)。

dmctl 支持命令模式与交互模式，具体请见[使用 dmctl 运维集群](/dm/dmctl-introduction.md)。

## 第 9 步：加密数据库密码

部署完后，你可以使用加密数据库密码的方式配置 DM 任务。详情请参考[加密数据库密码](/dm/dm-manage-source.md#加密数据库密码)。