Add Hosts to a Cluster
To add new hosts to your cluster:
Steps
Browse to the Hosts page and select Actions > +Add New Hosts.
The Add Host wizard provides a sequence of prompts similar to those in the Ambari Cluster Install wizard.
Follow the prompts, providing information similar to that provided to define the first set of hosts in your cluster:
Next Steps
Review and confirm all recommended configuration changes.
Note that if you are adding a new host to your cluster, then you must know that the previous HDP and Ambari components are not added to the new host of your cluster.
More Information