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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7648) Verify the datanode directory layout
Date Mon, 16 Feb 2015 08:55:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14322540#comment-14322540
] 

Rakesh R commented on HDFS-7648:
--------------------------------

[~cmccabe] kindly review the patch. Thanks!
I could see existing test case is covering the newly added log statement, so not included
any specific tests.

> Verify the datanode directory layout
> ------------------------------------
>
>                 Key: HDFS-7648
>                 URL: https://issues.apache.org/jira/browse/HDFS-7648
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Rakesh R
>         Attachments: HDFS-7648-3.patch, HDFS-7648-4.patch, HDFS-7648.patch, HDFS-7648.patch
>
>
> HDFS-6482 changed datanode layout to use block ID to determine the directory to store
the block.  We should have some mechanism to verify it.  Either DirectoryScanner or block
report generation could do the check.



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