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From "Ravi Gummadi (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3441) Make NodeManager identify the failed disks becoming goodno
Date Mon, 21 Nov 2011 11:54:52 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13154128#comment-13154128
] 

Ravi Gummadi commented on MAPREDUCE-3441:
-----------------------------------------

This is similar to MAPREDUCE-3077 but for MRV2.
                
> Make NodeManager identify the failed disks becoming goodno
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-3441
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3441
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 0.23.0
>            Reporter: Ravi Gummadi
>
> 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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