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Posted to hdfs-dev@hadoop.apache.org by "Ming Ma (JIRA)" <ji...@apache.org> on 2014/10/23 03:43:34 UTC

[jira] [Created] (HDFS-7281) Missing block is marked as corrupted block

Ming Ma created HDFS-7281:
-----------------------------

             Summary: Missing block is marked as corrupted block
                 Key: HDFS-7281
                 URL: https://issues.apache.org/jira/browse/HDFS-7281
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Ming Ma


In the situation where the block lost all its replicas, fsck shows the block is missing as well as corrupted. Perhaps it is better not to mark the block corrupted in this case. The reason it is marked as corrupted is numCorruptNodes == numNodes == 0 in the following code.

{noformat}
BlockManager
    final boolean isCorrupt = numCorruptNodes == numNodes;
{noformat}

Would like to clarify if it is the intent to mark missing block as corrupted or it is just a bug.



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