Formatting the NameNode and Creating the /tmp Directory
When adding the HDFS service, the Add Host wizard automatically formats the NameNode and creates the /tmp directory on HDFS. If you quit the Add Host wizard or it does not finish, you can format the NameNode and create the /tmp directory outside the wizard by doing these steps:
- Stop the HDFS service if it is running. See Starting, Stopping, and Restarting Services.
- In the HDFS > Instances tab, click the NameNode role instance. Choose Format from the Actions menu.
- In the HDFS > Instances tab, click the NameNode role instance. Choose Create /tmp Directory from the Actions menu.
- Start the HDFS service.
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