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https://issues.apache.org/jira/browse/HDFS-6728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14089980#comment-14089980
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Aaron T. Myers commented on HDFS-6728:
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Thanks, Eddy. I agree that the test failure is unrelated.
+1, I'm going to commit this momentarily.
> Dynamically add new volumes to DataStorage, formatted if necessary.
> -------------------------------------------------------------------
>
> Key: HDFS-6728
> URL: https://issues.apache.org/jira/browse/HDFS-6728
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 2.4.0
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Labels: datanode
> Attachments: HDFS-6728.000.patch, HDFS-6728.000.patch,
> HDFS-6728.001.patch, HDFS-6728.002.patch, HDFS-6728.004.patch
>
>
> When dynamically adding a volume to {{DataStorage}}, it should prepare the
> {{data dir}}, e.g., formatting if it is empty.
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