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Posted to common-dev@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2008/03/13 23:10:24 UTC

[jira] Commented: (HADOOP-3013) fsck to show (checksum) corrupted files

    [ https://issues.apache.org/jira/browse/HADOOP-3013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12578512#action_12578512 ] 

dhruba borthakur commented on HADOOP-3013:
------------------------------------------

We can enhance the Datanode Block verifier to persistently remember corrupted blocks. This information could be collected by the namenode (through block reports). 


> fsck to show (checksum) corrupted files
> ---------------------------------------
>
>                 Key: HADOOP-3013
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3013
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Koji Noguchi
>
> Currently, only way to find  files with all replica being corrupt is when we read those files.
> Instead, can we have fsck  report those?
> (Using the corrupted blocks found by the periodic verification...?)

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