[jira] [Created] (HDFS-11130) Block Storage : add storage client to server protocol

["Chen Liang (JIRA)" <ji...@apache.org>]

Chen Liang created HDFS-11130:
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             Summary: Block Storage : add storage client to server protocol
                 Key: HDFS-11130
                 URL: https://issues.apache.org/jira/browse/HDFS-11130
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Chen Liang
            Assignee: Chen Liang


This JIRA adds the protocol between block storage client side and server side. For now, the only operation is mount volume. More specifically, when user mount a volume on client side, client checks with server to verify whether it is a valid volume to mount. On valid mount request, server will also piggyback meta information about the volume back to client. 

Note that the actual read/write on the volume will never go through server, as long as volume is mounted on client, it is all client's job to communicate with the underly storage layer (SCM in this case)



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