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https://issues.apache.org/jira/browse/HDFS-7632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated HDFS-7632:
--------------------------------
Resolution: Fixed
Fix Version/s: 2.7.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Thanks again, Arpit. I have committed this to trunk and branch-2.
> MiniDFSCluster configures DataNode data directories incorrectly if using more
> than 1 DataNode and more than 2 storage locations per DataNode.
> ---------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-7632
> URL: https://issues.apache.org/jira/browse/HDFS-7632
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Fix For: 2.7.0
>
> Attachments: HDFS-7632.001.patch
>
>
> {{MiniDFSCluster}} allows the caller to set the number of storage locations
> per DataNode. If this number is set higher than 2, and if the cluster is
> configured with more than 1 DataNode, then the calculation of the storage
> directory paths will be incorrect. Multiple DataNodes will attempt to use
> the same storage directory, and one of them will fail while trying to acquire
> the file lock.
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