5.1.7. NameNode Web UI

This host-level alert is triggered if the NameNode Web UI is unreachable.

 5.1.7.1. Potential causes
  • The NameNode Web UI is unreachable from the Nagios Server.

  • The NameNode process is not running

 5.1.7.2. Possible remedies
  • Check whether the NameNode process is running

  • Check whether the Nagios Server can ping the NameNode server.

  • Using a browser, check whether the Nagios Server can reach the NameNode Web UI.


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