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https://issues.apache.org/jira/browse/HDFS-10625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rushabh S Shah updated HDFS-10625:
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Attachment: HDFS-10625.005.patch
Attaching a new patch.
Just addressed the checkstyle warning.
{noformat}
diff ~/patches/jira/HDFS-10625.00*
2c2
< index 398935d..902d28b 100644
---
> index 398935d..e4ebe82 100644
9c9
< + /** The replica of the block that is being read */
---
> + /** The replica of the block that is being read. */
{noformat}
> 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
> Assignee: Rushabh S Shah
> Labels: supportability
> Attachments: HDFS-10625-1.patch, HDFS-10625.003.patch,
> HDFS-10625.004.patch, HDFS-10625.005.patch, HDFS-10625.patch
>
>
> 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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