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Date: Tue, 21 Apr 2015 01:39:59 +0000 (UTC)
From: "Aaron T. Myers (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
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Subject: [jira] [Created] (HDFS-8194) Add administrative tool to be able to
 examine the NN's view of DN storages
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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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