Need a command line option in RaidShell to fix blocks using raid
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Key: MAPREDUCE-2132
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2132
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: contrib/raid
Reporter: Ramkumar Vadali
Assignee: Ramkumar Vadali
RaidShell currently has an option to recover a file and return the path to the
recovered file. The administrator can then rename the recovered file to the
damaged file.
The problem with this is that the file metadata is altered, specifically the
modification time. Instead we need a way to just repair the damaged blocks and
send the fixed blocks to a data node.
Once this is done, we can put automation around it.
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