add querying block's info in the fsck facility
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Key: HADOOP-5019
URL: https://issues.apache.org/jira/browse/HADOOP-5019
Project: Hadoop Core
Issue Type: New Feature
Components: dfs
Reporter: zhangwei
Priority: Minor
As now the fsck can do pretty well,but when the developer happened to the log
such Block blk_28622148 is not valid.etc
We wish to know which file and the datanodes the block belongs to.It can be
solved by running "bin/hadoop fsck -files -blocks -locations / | grep
<blockid>" ,but as mentioned early in the HADOOP-4945 ,it's not an effective
way in a big product cluster.
so maybe we could do something to let the fsck more convenience .
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