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https://issues.apache.org/jira/browse/HDFS-13413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16434697#comment-16434697
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Shashikant Banerjee commented on HDFS-13413:
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Patch v0 makes DatanodeUUid and Cluster Id in the SCM registration response for
a datanode as mandatory fields and adds the necessary validation while
processing the response.
> ClusterId and DatanodeUuid should be marked mandatory fileds in
> SCMRegisteredCmdResponseProto
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-13413
> URL: https://issues.apache.org/jira/browse/HDFS-13413
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Minor
> Fix For: HDFS-7240
>
> Attachments: HDFS-13413-HDFS-7240.000.patch
>
>
> ClusterId as well as the DatanodeUuid are optional fields in
> {{SCMRegisteredCmdResponseProto}}
> currently. We have to make both clusterId and DatanodeUuid as required field
> and handle it properly. As of now, we don't do anything with the response of
> datanode registration. We should validate the clusterId and also the
> datanodeUuid
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