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From "Andrzej Bialecki (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-101) DFSck - fsck-like utility for checking DFS volumes
Date Thu, 23 Mar 2006 20:04:21 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-101?page=comments#action_12371631 ] 

Andrzej Bialecki  commented on HADOOP-101:
------------------------------------------

Oops, forgot to comment on another point you make: yes, it would be great if we could add
an API call to request a datanode to check the status of a given block without sending it
to the client, e..g read it physically off the disk and report success/failure. We can do
this now only by actually retrieving the block, which is too costly.

This is the first version of the tool, any contributions are of course welcome.

> DFSck - fsck-like utility for checking DFS volumes
> --------------------------------------------------
>
>          Key: HADOOP-101
>          URL: http://issues.apache.org/jira/browse/HADOOP-101
>      Project: Hadoop
>         Type: New Feature
>   Components: dfs
>     Versions: 0.2
>     Reporter: Andrzej Bialecki 
>     Assignee: Andrzej Bialecki 
>  Attachments: DFSck.java
>
> This is a utility to check health status of a DFS volume, and collect some additional
statistics.

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