[jira] [Updated] (HDFS-10625) VolumeScanner to report why a block is found bad

["Wei-Chiu Chuang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-10625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang updated HDFS-10625:
-----------------------------------
    Labels: supportability  (was: )

>  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
>              Labels: supportability
>
> 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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