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https://issues.apache.org/jira/browse/HADOOP-3193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12596946#action_12596946
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Tsz Wo (Nicholas), SZE commented on HADOOP-3193:
------------------------------------------------

What are the cases that a client (non-datanode client) should call 
reportBadBlocks(...)?  I am concerned about the security issue.

> Discovery of corrupt block reported in name node log
> ----------------------------------------------------
>
>                 Key: HADOOP-3193
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3193
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>            Reporter: Robert Chansler
>         Attachments: 3193-0.patch
>
>
> Any discovery of a corrupt/unreadable block must be reported in the name node 
> log.

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