Replication

数据库复制可确保冗余、备份和自动故障转移。 复制发生在名为副本集的服务器群组中。

Replica Set Use and Operation

Consider these higher level introductions to replica sets:

The following document describes master-slave replication, which is deprecated. Use replica sets instead of master-slave in all new deployments.

For documentation of MongoDB’s operational segregation capabilities for replica set deployments see the Data Center Awareness

Replica Set Reference Material

Additionally, consider the following reference material for replica sets.

另见

/reference/command/replSetGetStatus and db.getReplicationInfo().