[jira] [Created] (HDFS-11625) Ozone: Replace hard coded datanode data dir in test code with getStorageDir to fix UT failures

["Weiwei Yang (JIRA)" <ji...@apache.org>]

Weiwei Yang created HDFS-11625:
----------------------------------

             Summary: Ozone: Replace hard coded datanode data dir in test code with getStorageDir to fix UT failures
                 Key: HDFS-11625
                 URL: https://issues.apache.org/jira/browse/HDFS-11625
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
    Affects Versions: HDFS-7240
            Reporter: Weiwei Yang
            Assignee: Weiwei Yang


There seems to be some UT regressions after HDFS-11519, such as

* TestDataNodeVolumeFailureToleration
* TestDataNodeVolumeFailureReporting
* TestDiskBalancerCommand
* TestBlockStatsMXBean
* TestDataNodeVolumeMetrics
* TestDFSAdmin
* TestDataNodeHotSwapVolumes
* TestDataNodeVolumeFailure

these tests set up datanode data dir by some hard coded names, such as 
{code}
  new File(cluster.getDataDirectory(), "data1");
{code}

this no longer works since HDFS-11519 changes the pattern from

{code}
/data/data<2*dnIndex + 1>
/data/data<2*dnIndex + 2>
...
{code}

to 

{code}
/data/dn0_data0
/data/dn0_data1
/data/dn1_data0
/data/dn1_data1
...
{code}



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