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https://issues.apache.org/jira/browse/YARN-90?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119194#comment-14119194
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Xu Yang commented on YARN-90:
-----------------------------

Hi, [~vvasudev]. Thanks a lot for your patch. Is it finished? I think this 
feature is very useful. If it isn't commited, maybe I need merge the patch 
manually.

> NodeManager should identify failed disks becoming good back again
> -----------------------------------------------------------------
>
>                 Key: YARN-90
>                 URL: https://issues.apache.org/jira/browse/YARN-90
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Ravi Gummadi
>            Assignee: Varun Vasudev
>         Attachments: YARN-90.1.patch, YARN-90.patch, YARN-90.patch, 
> YARN-90.patch, YARN-90.patch, apache-yarn-90.0.patch, apache-yarn-90.1.patch, 
> apache-yarn-90.2.patch
>
>
> MAPREDUCE-3121 makes NodeManager identify disk failures. But once a disk goes 
> down, it is marked as failed forever. To reuse that disk (after it becomes 
> good), NodeManager needs restart. This JIRA is to improve NodeManager to 
> reuse good disks(which could be bad some time back).



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