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https://issues.apache.org/jira/browse/HDFS-11148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15672093#comment-15672093
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ASF GitHub Bot commented on HDFS-11148:
---------------------------------------

Github user arp7 commented on a diff in the pull request:

    https://github.com/apache/hadoop/pull/162#discussion_r88357779
  
    --- Diff: 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataDirs.java
 ---
    @@ -96,26 +91,4 @@ public void testDataDirParsing() throws Throwable {
         assertThat(locations.get(1).getStorageType(), is(StorageType.DISK));
         assertThat(locations.get(1).getUri(), is(dir1.toURI()));
       }
    -
    -  @Test(timeout = 30000)
    -  public void testDataDirValidation() throws Throwable {
    --- End diff --
    
    Yes there's new tests in TestStorageLocationChecker added by HDFS-11119 
which cover this better with different combinations of failed/healthy storages.


> Update DataNode to use StorageLocationChecker at startup
> --------------------------------------------------------
>
>                 Key: HDFS-11148
>                 URL: https://issues.apache.org/jira/browse/HDFS-11148
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>
> The DataNode can use the {{StorageLocationChecker}} introduced by HDFS-11119 
> to parallelize checking Storage Locations at process startup.



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