Aaron T. Myers created HDFS-8194:
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Summary: Add administrative tool to be able to examine the NN's
view of DN storages
Key: HDFS-8194
URL: https://issues.apache.org/jira/browse/HDFS-8194
Project: Hadoop HDFS
Issue Type: New Feature
Components: namenode
Affects Versions: 2.7.0
Reporter: Aaron T. Myers
Assignee: Colin Patrick McCabe
The NN has long had facilities to be able to list all of the DNs that are
registered with it. It would be great if there were an administrative tool be
able to list all of the individual storages that the NN is tracking.
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