Disable a specific node from scheduling in openshift

How to disable a specific node from scheduling in openshift?


root@dhcp43-231 ~]# oadm manage-node dhcp43-231  --schedulable=false
DEPRECATED: The 'oadm' command is deprecated, please use 'oc adm' instead.
NAME                                STATUS                     ROLES     AGE       VERSION
dhcp43-231   Ready,SchedulingDisabled   master    10d       v1.9.1+a0ce1bc657

[root@dhcp43-231 ~]# oc get nodes 
NAME                                STATUS                     ROLES     AGE       VERSION

dhcp43-231   Ready,SchedulingDisabled   master    10d       v1.9.1+a0ce1bc657

source: https://docs.openshift.org/latest/admin_guide/manage_nodes.html