副本集成员配置教程
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The following tutorials provide information in configuring replica set members to support specific operations, such as to provide dedicated backups, to support reporting, or to act as a cold standby.
以下教程为您介绍如何配置副本集成员以支持特定的操作，例如提供专用备份，支持报告或充当冷备用。
WARNING
警告
Avoid reconfiguring replica sets that contain members of different MongoDB versions as validation rules may differ across MongoDB versions.
由于不同的MongoDB版本所使用的验证规则可能有所不同，重新配置副本集时，应当避免该副本集包含不同版本的成员。
Change the precedence given to a replica set members in an election for primary.
更改在选择主节点时赋予复制集成员的优先级。
Make a secondary member ineligible for election as primary.
设置指定的从节点没有资格被选举为主节点。
Configure a secondary member to be invisible to applications in order to support significantly different usage, such as a dedicated backups.
将从节点配置为对应用程序不可见，以便支持某些特殊场景，例如专用备份。
Configure a secondary member to keep a delayed copy of the data set in order to provide a rolling backup.
设置指定的从节点用来保留数据集的延迟副本，以便提供滚动备份。
Create a secondary member that keeps a copy of the data set but does not vote in an election.
创建一个从节点，该节点保留数据集的副本但不参与选举。
将一个从节点转换为仲裁节点。
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译者：桂陈