Junping Du created HDFS-5155:
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             Summary: Depricate API of getStorageID() and setStorageID() in 
DatanodeID as multiple storages
                 Key: HDFS-5155
                 URL: https://issues.apache.org/jira/browse/HDFS-5155
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: datanode
    Affects Versions: Heterogeneous Storage (HDFS-2832)
            Reporter: Junping Du
            Assignee: Junping Du


StorageID is an unique number that associates the Datanodes blocks with a 
particular Datanode. To enable heterogeneous storage, we are supporting 
multiple storageIDs per DN, so previous APIs in DatanodeID, like: 
getStorageID() and setStorageID(), need to be updated.

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