question how to disable new datanode machine from data replication in Support Questions

question how to disable new datanode machine from data replication in Support Questions https://community.cloudera.com/t5/Support-Questions/how-to-disable-new-datanode-machine-from-data-replication/m-p/304100#M221881 hi all we have HDP 2.6.4 cluster with 245 workers machines each worker have ( datanode and resource manager ) we want to add 10 new workers machines to the cluster  but we want to disable the datanode machines so no data will transfer from the old datanodes to the new datanodes I thinking to do maintenance mode on the new datanode , but not sure if this action is enough in order to disable the datanodes machine on the new workers   Fri, 09 Oct 2020 07:56:00 GMT mike_bronson7 2020-10-09T07:56:00Z