MongoDB Add and remove Arbiter node instances _mongodb

Increase Arbiter

Add the profile mongod1,mongod2,mongod3 to the arbiter of Shard1,shard2,shard3 three set sets, respectively.

Copy Code code as follows:

Replset=shard1
Replset=shard2
Replset=shard3

Start the Mongod instance.
Connect primary.

Copy Code code as follows:

Rs.addarb ("192.168.1.50:10001″")
Rs.addarb ("192.168.1.50:10002″")
Rs.addarb ("192.168.1.50:10003″")

Remove Arbiter

Copy Code code as follows:

Rs.remove ("192.168.1.50:10001″")

Note: It is best to stop the service before removing the node to prevent a special unknown state from appearing.

Note:before running the Rs.remove () operation, you must shut down the replica set member that is you ' re removing.
Changed in version 2.2:this procedure are no longer required when using Rs.remove (), but it remains good practice.