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https://issues.apache.org/jira/browse/HDFS-15755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Yun updated HDFS-15755:
----------------------------
    Description: 
For some mounted remote volume, small network shaking may causes the failure of 
volume checking and the the volume will removed out from datanode. Add an 
option to set retry times and interval according to StorageType.

For mocking static methods in unit test, import PowerMock to 
hadoop-hdfs-project.

  was:
For some mounted remote volume, small network shaking may causes the f

For mocking static methods in unit test, import PowerMock to 
hadoop-hdfs-project.

The same version PowerMock has been imported in part of hadoop-yarn-project.


> Add option to set retry times of checking failure volume and Import powermock 
> for mock static method
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-15755
>                 URL: https://issues.apache.org/jira/browse/HDFS-15755
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs, test
>            Reporter: Yang Yun
>            Assignee: Yang Yun
>            Priority: Minor
>         Attachments: HDFS-15755.001.patch
>
>
> For some mounted remote volume, small network shaking may causes the failure 
> of volume checking and the the volume will removed out from datanode. Add an 
> option to set retry times and interval according to StorageType.
> For mocking static methods in unit test, import PowerMock to 
> hadoop-hdfs-project.



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