DistributedRaidFileSystem does not handle ChecksumException correctly
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Key: MAPREDUCE-1908
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1908
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Ramkumar Vadali
ChecksumException reports the offset of corruption within a block,
whereas DistributedRaidFileSystem.setAlternateLocations was expecting it
to report the offset of corruption within the file.
The best way of dealing with a missing block/corrupt block is to just
use the current seek offset in the file as the position of corruption.
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