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https://issues.apache.org/jira/browse/HDFS-7648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14289778#comment-14289778
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Rakesh R commented on HDFS-7648:
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bq.If a mismatch is found, it should also fix it
Should I need to worry about the race between
DatanodeBlockId_Layout_threads(they will do a linking ) in Datastorage and this
call path?
bq. DirectoryScanner seems a better place to do the verification
Thanks for the hint. Let me try this as well.
> 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
>
> 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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