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From "Ramkumar Vadali (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-2132) Need a command line option in RaidShell to fix blocks using raid
Date Thu, 14 Oct 2010 22:22:33 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ramkumar Vadali updated MAPREDUCE-2132:
---------------------------------------

    Fix Version/s: 0.22.0
           Status: Patch Available  (was: Open)

> Need a command line option in RaidShell to fix blocks using raid
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-2132
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2132
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/raid
>            Reporter: Ramkumar Vadali
>            Assignee: Ramkumar Vadali
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-2132.patch
>
>
> RaidShell currently has an option to recover a file and return the path to the recovered
file. The administrator can then rename the recovered file to the damaged file.
> The problem with this is that the file metadata is altered, specifically the modification
time. Instead we need a way to just repair the damaged blocks and send the fixed blocks to
a data node.
> Once this is done, we can put automation around it.

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