All the replicas incorrectly got marked as corrupt.
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Key: HADOOP-5605
URL: https://issues.apache.org/jira/browse/HADOOP-5605
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.20.0
Reporter: Raghu Angadi
Fix For: 0.2.0
NameNode does not handle {{reportBadBlocks()}} properly. As a result, when
DataNode reports the corruption (only in the case of block transfer between two
datanodes), further attempts to replicate the block end up marking all the
replicas as corrupt!
>From the implementation, it looks like NN incorrectly uses the block object
>used in RPC to queue to neededReplication queue instead of using internal
>block object.
will include an actual example in the next comment.
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