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https://issues.apache.org/jira/browse/HDFS-7604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14280680#comment-14280680
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Chris Nauroth commented on HDFS-7604:
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I'd like to defer the work of sorting by column in the web UI to a separate
jira, in order to simplify code review here for the failed volume reporting. I
filed issues HDFS-7636 for the sorting.
> Track and display failed DataNode storage locations in NameNode.
> ----------------------------------------------------------------
>
> Key: HDFS-7604
> URL: https://issues.apache.org/jira/browse/HDFS-7604
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, namenode
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HDFS-7604-screenshot-1.png, HDFS-7604-screenshot-2.png,
> HDFS-7604-screenshot-3.png, HDFS-7604.prototype.patch
>
>
> During heartbeats, the DataNode can report a list of its storage locations
> that have been taken out of service due to failure (such as due to a bad disk
> or a permissions problem). The NameNode can track these failed storage
> locations and then report them in JMX and the NameNode web UI.
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