5. The Hosts View

The Host view presents your cluster in terms of the hosts on which the services are running. If your cluster is large, you can use the Search box to locate a particular sets of hosts. The filter tool, shown outlined in blue, allows you to focus on only those hosts that are of interest and to sort your result.

Use the dropdown list in the Components column to locate only the hosts that run the specific components in which you are interested. After you have made your choice, click the Apply button at the bottom of the list.

To see more detailed information on a specific host, click the host FDQN. The Host Details screen opens.

Use the Action dropdowns, outlined in green above, to stop or start a service component running on that host.

To add new hosts, click +Add New Hosts, outlined in green. The Add Host Wizard pops up.

Follow the wizard through the sequence of steps familiar from the Install wizard to add hosts.

[Note]Note

If you use the Add New Host wizard once, and then attempt to use it a second time, the wrong screen appears. Sign out of Ambari Web and sign back in to clear the wizard state. Browse to the Hosts page and re-start the wizard.


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