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https://issues.apache.org/jira/browse/HDFS-7648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14298373#comment-14298373
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Rakesh R commented on HDFS-7648:
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[~cmccabe]
bq. It's not the goal of DirectoryScanner to fix anything. It should not modify
the filesystem.
What would be the suggested way to fix these unmatched blocks. Also, if it is
not fixed then this warning message will be printed repeatedly during the
directory scanning interval.
[~szetszwo] do you have any suggestions about this approach. Thanks!
> 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
>
> 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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