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