仓库

http://www.lanceyan.com/tech/mongodb/mongodb_repset1.html

https://docs.mongodb.com/master/core/master-slave/

http://www.runoob.com/mongodb/mongodb-replication.html

https://blog.csdn.net/u011277123/article/details/55002024

https://www.cnblogs.com/joeblackzqq/p/6229387.html

田洪川 

天轰穿：http://www.docin.com/p-1011231243.html