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Date: Tue, 11 May 2010 13:31:46 -0400 (EDT)
From: "Andrew Ryan (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Commented: (HDFS-556) Provide info on failed volumes in the
 web ui
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    [ https://issues.apache.org/jira/browse/HDFS-556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12866222#action_12866222 ] 

Andrew Ryan commented on HDFS-556:
----------------------------------

For sysadmins of clusters of any size, providing this in a web page is interesting but not useful for other scripts to consume. I've already had to write BeautifulSoup parsers to grab other data of interest and it's suboptimal.

So I would really like to see a way to get this data as some sort of structured text. Perhaps if there was a command to fetch the names of the nodes with failed drives or something.

Also, does this data appear in dfsadmin -report? That's pretty unstructured, but if it shows up on the UI, it should be there too.

> Provide info on failed volumes in the web ui
> --------------------------------------------
>
>                 Key: HDFS-556
>                 URL: https://issues.apache.org/jira/browse/HDFS-556
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>            Reporter: Jakob Homan
>            Assignee: Eli Collins
>         Attachments: hdfs-556-1.patch
>
>
> HDFS-457 provided better handling of failed volumes but did not provide a corresponding view of this functionality on the web ui, such as a view of which datanodes have failed volumes.  This would be a good feature to have.

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