Yongjun Zhang created HDFS-10625:
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Summary: VolumeScanner to report why a block is found bad
Key: HDFS-10625
URL: https://issues.apache.org/jira/browse/HDFS-10625
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode, hdfs
Reporter: Yongjun Zhang
VolumeScanner may report:
{code}
WARN org.apache.hadoop.hdfs.server.datanode.VolumeScanner: Reporting bad
blk_1170125248_96458336 on /d/dfs/dn
{code}
It would be helpful to report the reason why the block is bad, especially when
the block is corrupt, where is the first corrupted chunk in the block.
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