2.12. Verify your HDFS Components

Make sure you have the correct components showing in HDFS.

  1. In Ambari Web, go to the Services view and select HDFS from the Services navigation panel.

  2. Check the Summary panel and make sure that the first three lines look like this:

    • NameNode

    • SNameNode

    • DataNodes

    You should not see any line for JournalNodes.

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