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Posted to common-dev@hadoop.apache.org by "Lei Xu (JIRA)" <ji...@apache.org> on 2009/01/14 00:22:59 UTC

[jira] Updated: (HADOOP-4763) Support manually fsck in DataNode

     [ https://issues.apache.org/jira/browse/HADOOP-4763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lei Xu updated HADOOP-4763:
---------------------------

    Attachment: fsck.patch

I refactory the code to let manually fsck has better outputs( similar with original one) , and share parts of code with original fsck. 

It is also need test. 


> Support manually fsck in DataNode
> ---------------------------------
>
>                 Key: HADOOP-4763
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4763
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Lei Xu
>         Attachments: fsck.patch, fsck.patch, HADOOP-4763.patch
>
>
> Now DataNode only support scan all blocks periodically.  Our site need a tool to check some blocks and files manually. 
> My current design is to add a parameter to DFSck to indicate deeply and manually fsck request, then let NameNode collect property block identifies and sent them to associated DataNode. 
> I'll let DataBlockScanner runs in two ways: periodically ( original one ) and manually. 
> Any suggestions on this are welcome. 

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