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https://issues.apache.org/jira/browse/YARN-90?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14631302#comment-14631302
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Hudson commented on YARN-90:
----------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #256 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/256/])
YARN-3805. Update the documentation of Disk Checker based on YARN-90. 
Contributed by Masatake Iwasaki. (ozawa: rev 
1ba2986dee4bbb64d67ada005f8f132e69575274)
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeManager.md


> NodeManager should identify failed disks becoming good 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
>             Fix For: 2.6.0
>
>         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-90.10.patch, apache-yarn-90.2.patch, apache-yarn-90.3.patch, 
> apache-yarn-90.4.patch, apache-yarn-90.5.patch, apache-yarn-90.6.patch, 
> apache-yarn-90.7.patch, apache-yarn-90.8.patch, apache-yarn-90.9.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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