You can stop a currently running Hadoop cluster and start a stopped Hadoop cluster from the Data Director for Hadoop Web console.

Verify that the cluster is provisioned .

Verify that enough resources, especially CPU and memory resources, are available to start the virtual machines in the Hadoop cluster.

1

Log in to the Data Director for Hadoop Web console.

2

Click Clusters in the left pane.

3

Select the cluster that you want to stop or start from the Cluster Name column.

4

Click the Actions icon.

5

Select Stop to stop a running cluster, or select Start to start a cluster.

If the cluster does not start, try to start the cluster from the CLI, which includes error messages and a log path for troubleshooting.