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From "Vinay (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3970) BlockPoolSliceStorage#doRollback(..) should use BlockPoolSliceStorage instead of DataStorage to read prev version file.
Date Mon, 19 Nov 2012 12:07:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinay updated HDFS-3970:
------------------------

    Status: Patch Available  (was: Open)
    
> BlockPoolSliceStorage#doRollback(..) should use BlockPoolSliceStorage instead of DataStorage
to read prev version file.
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-3970
>                 URL: https://issues.apache.org/jira/browse/HDFS-3970
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 2.0.2-alpha, 3.0.0
>            Reporter: Vinay
>            Assignee: Vinay
>         Attachments: HDFS-3970.patch
>
>
> {code}    // read attributes out of the VERSION file of previous directory
>     DataStorage prevInfo = new DataStorage();
>     prevInfo.readPreviousVersionProperties(bpSd);{code}
> In the above code snippet BlockPoolSliceStorage instance should be used. other wise rollback
results in 'storageType' property missing which will not be there in initial VERSION file.

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