The following tutorials provide information on configuring replica set members to support specific operations, such as to provide dedicated backups, to support reporting, or to act as a cold standby.以下教程提供了有关配置副本集成员以支持特定操作的信息,例如提供专用备份、支持报告或充当冷备份。
Warning警告
Avoid reconfiguring replica sets that contain members of different MongoDB versions as validation rules may differ across MongoDB versions.避免重新配置包含不同MongoDB版本成员的副本集,因为验证规则可能会因MongoDB版本而异。
Configure a secondary member to be invisible to applications in order to support significantly different usage, such as a dedicated backups.将辅助成员配置为对应用程序不可见,以便支持显著不同的使用,例如专用备份。