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https://issues.apache.org/jira/browse/HDFS-13348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16430285#comment-16430285
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Shashikant Banerjee commented on HDFS-13348:
--------------------------------------------

Thanks [~nandakumar131], for the review. patch v2 addresses your review 
comments. For ClusterId and datanodeUuid Validation in 
SCMRegisteredCmdResponseProto, HDFS-13413 is opened.

Please have a look.

> Ozone: Update IP and hostname in Datanode from SCM's response to the register 
> call
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-13348
>                 URL: https://issues.apache.org/jira/browse/HDFS-13348
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Nanda kumar
>            Assignee: Shashikant Banerjee
>            Priority: Major
>         Attachments: HDFS-13348-HDFS-7240.000.patch, 
> HDFS-13348-HDFS-7240.001.patch, HDFS-13348-HDFS-7240.002.patch
>
>
> Whenever a Datanode registers with SCM, the SCM resolves the IP address and 
> hostname of the Datanode form the RPC call. This IP address and hostname 
> should be sent back to Datanode in the response to register call and the 
> Datanode has to update the values from the response to its 
> {{DatanodeDetails}}.



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