Xiaoyu Yao created HDFS-12631:
---------------------------------

             Summary: Ozone: ContainerStorageLocation#scmUsage should count 
only SCM usage 
                 Key: HDFS-12631
                 URL: https://issues.apache.org/jira/browse/HDFS-12631
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: scm
    Affects Versions: HDFS-7240
            Reporter: Xiaoyu Yao
            Assignee: Xiaoyu Yao


Currently the ContainerStorageLocation#ContainerStorageLocation does not 
resolve to the actual container prefix before passing it to CachingGetSpaceUsed 
for calculation. As a result of that, if SCM datanode is running along with 
HDFS datanode, the HDFS datanode usage will be included in scmUsage too, which 
is incorrect. This ticket is opened to fix it. 


{code}
    this.scmUsage = new CachingGetSpaceUsed.Builder().setPath(dataDir)
        .setConf(conf)
        .setInitialUsed(loadScmUsed())
        .build();
{code}



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