The node agents and clients will automatically try the first (primary) address and then failover to try the second (backup) address.

节点代理和客户机将自动尝试第一个(主要)地址，然后进行故障转移，尝试第二个(备份)地址。

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Try to design your extension functions so that they use only doubles, strings, booleans, and node-sets as both arguments and return values.

尽量尝试将您的扩展函数设计为仅使用双精度、字符串、布尔和节点集作为实参和返回值的类型。

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The instance home directory on nodes that are not the administration node are mounted file systems. Try these steps to recover from this type scenario.

非管理节点上的实例主目录是挂载的文件系统。

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