> For the complete documentation index, see [llms.txt](https://yushuai-w.gitbook.io/consul/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yushuai-w.gitbook.io/consul/start/qi-dong-shu-ju-zhong-xin.md).

# 启用数据中心

PS：前面有些文章， 为了方便大家理解， 我把Consul的两种模式，直接使用了原文中的Server 和 Client，没有进行翻译，对于没有基础的同学，有些同学更加迷惑了。 所以，本节我就直接翻译客户端和服务器模式。 

一个代理可以在**客户端**或**服务器模式**下运行。服务器节点负责运行共识协议和存储集群状态。客户端节点大多是无状态的，严重依赖服务器节点。

在Consul集群开始服务请求之前，必须选出一个服务器节点作为领导者。Bootstrapping是将这些初始服务器节点加入集群的过程。阅读架构文档来了解更多关于Consul的内部结构。

建议每个数据中心拥有三到五台总服务器。我们非常不鼓励部署单台服务器，因为在故障情况下，数据丢失是不可避免的。请参考部署表了解更多细节。


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