RS备用服务器的主要作用是提供灾难修复解决方案。

The primary purpose of the RS secondary server is to provide a disaster recovery solution.

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要参考关于其他解决方案的讨论，请参见下面的备用方案小节。

For a discussion on other solutions, see Alternatives below.

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要参考关于其他解决方案的讨论，请参见下面的备用方案小节。

For a discussion on other solutions, see Alternatives below.

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