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 have clusterAdmin 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")
Related links
https://docs.mongodb.com/manual/tutorial/remove-replica-set-member/