fsck should verify block placement
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Key: HADOOP-1855
URL: https://issues.apache.org/jira/browse/HADOOP-1855
Project: Hadoop
Issue Type: Improvement
Components: dfs
Reporter: dhruba borthakur
fsck currently detects missing and under-replicated blocks. It would be helpful
if ti can also detect blocks that do not conform the to block placement policy.
An administrator can use this tool to verify that blocks are distributed across
racks.
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