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https://issues.apache.org/jira/browse/MAPREDUCE-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12923087#action_12923087
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Ramkumar Vadali commented on MAPREDUCE-2132:
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The latest patch passes testing:


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     [exec] +1 overall.
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     [exec]     +1 @author.  The patch does not contain any @author tags.
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     [exec]     +1 tests included.  The patch appears to include 7 new or 
modified tests.
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     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
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     [exec]     +1 javac.  The applied patch does not increase the total number 
of javac compiler warnings.
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     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs 
warnings.
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total number of release audit warnings.
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     [exec]     +1 system tests framework.  The patch passed system tests 
framework compile.
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     [exec]     Finished build.
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test-junit:
    [junit] WARNING: multiple versions of ant detected in path for junit 
    [junit]          
jar:file:/home/rvadali/local/external/ant/lib/ant.jar!/org/apache/tools/ant/Project.class
    [junit]      and 
jar:file:/home/rvadali/.ivy2/cache/ant/ant/jars/ant-1.6.5.jar!/org/apache/tools/ant/Project.class
    [junit] Running org.apache.hadoop.hdfs.TestRaidDfs
    [junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 31.133 sec
    [junit] Running org.apache.hadoop.raid.TestDirectoryTraversal
    [junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 8.116 sec
    [junit] Running org.apache.hadoop.raid.TestHarIndexParser
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 0.052 sec
    [junit] Running org.apache.hadoop.raid.TestRaidHar
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 68.637 sec
    [junit] Running org.apache.hadoop.raid.TestRaidNode
    [junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 523.123 sec
    [junit] Running org.apache.hadoop.raid.TestRaidPurge
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 43.853 sec
    [junit] Running org.apache.hadoop.raid.TestRaidShell
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 24.41 sec

test:

BUILD SUCCESSFUL
Total time: 11 minutes 55 seconds


> Need a command line option in RaidShell to fix blocks using raid
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-2132
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2132
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/raid
>            Reporter: Ramkumar Vadali
>            Assignee: Ramkumar Vadali
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-2132.2.patch, MAPREDUCE-2132.patch
>
>
> RaidShell currently has an option to recover a file and return the path to 
> the recovered file. The administrator can then rename the recovered file to 
> the damaged file.
> The problem with this is that the file metadata is altered, specifically the 
> modification time. Instead we need a way to just repair the damaged blocks 
> and send the fixed blocks to a data node.
> Once this is done, we can put automation around it.

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