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https://issues.apache.org/jira/browse/HDFS-6878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104215#comment-14104215
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Arpit Agarwal commented on HDFS-6878:
-------------------------------------

So additional DNs with different storage configurations can be be started with 
MiniDFSCluster#startDataNodes.

> Change MiniDFSCluster to support StorageType configuration for individual 
> directories
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-6878
>                 URL: https://issues.apache.org/jira/browse/HDFS-6878
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Arpit Agarwal
>            Priority: Minor
>         Attachments: HDFS-6878.01.patch, HDFS-6878.02.patch
>
>
> Currently, MiniDFSCluster only supports a single StorageType configuration 
> for all datadnodes, i.e. setting all directories in all datanodes to one 
> StorageType.  It should support setting individual StorageType for each 
> directory in each datanode.



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