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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8194) Add administrative tool to be able to examine the NN's view of DN storages
Date Tue, 21 Apr 2015 20:59:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505748#comment-14505748
] 

Chris Nauroth commented on HDFS-8194:
-------------------------------------

There could be some potential overlap here with the work done in HDFS-7604, although that
feature specifically reported only on volumes/storages that had failed, not all volumes.

> 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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