Chris Nauroth created HDFS-7632:
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Summary: 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
{{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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