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From "Johan Oskarson (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-503) Add option to fsck that checks the crc
Date Sat, 02 Sep 2006 12:16:22 GMT
Add option to fsck that checks the crc
--------------------------------------

                 Key: HADOOP-503
                 URL: http://issues.apache.org/jira/browse/HADOOP-503
             Project: Hadoop
          Issue Type: Improvement
          Components: dfs
    Affects Versions: 0.5.0
            Reporter: Johan Oskarson


If I'm not mistaken the fsck command doesn't actually check the crc of the blocks.
I just had a problem where a few blocks managed to get the size 0, fsck didn't report this
but
my hadoop programs started failing because some of the input data was corrupted.

An option in the fsck program to actually check the crc would be nice, even though it would
take a while to run.

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