Remove a member from a MongoDB replica set

This topic discusses the steps to remove a node from an existing MongoDB replica set.

Prerequisites:

An active replica set.
To remove a member, the MongoDB user must haveclusterAdmin privileges.

To remove a node from an existing replica set:

Connect to the node that you wish to remove and shut down the MongoDB on it using the following command.
```
absrs01:PRIMARY> db.shutdownServer()
```
Connect to the primary member of the replica set and run the following command to remove the node.
```
absrs01:PRIMARY> rs.remove("<IP Address or hostname of the node to be removed>:27017")
```

https://docs.mongodb.com/manual/tutorial/remove-replica-set-member/