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https://issues.apache.org/jira/browse/HDFS-7604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated HDFS-7604:
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Attachment: HDFS-7604-screenshot-3.png
HDFS-7604-screenshot-2.png
[~sureshms], thank you for the feedback.
That's a good observation about sorting. The table is not sortable directly in
the web UI right now, so I assume you mean something like copy-pasting into a
text file or spreadsheet where you can sort externally. I've attached
screenshot #2 showing both the old failed volume counter and the new locations
column. I'll explore giving the table-built-in sort functionality too on the
side. That might be an easy thing with a jQuery plugin.
On the overview tab, we can add Total Failed Volumes to the Summary section.
I've attached screenshot #3 to show that. It's also a hyperlink that jumps to
the Datanode Information tab, just like the other Summary fields related to
datanodes.
> 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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