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https://issues.apache.org/jira/browse/HDFS-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136031#comment-13136031
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Suresh Srinivas commented on HDFS-2487:
---------------------------------------

dfsadmin command be added to change NN HA states based on adding a client that 
communicates using HAServiceProtocol. Any other things you are planning to do 
as a part of this jira?

                
> HA: Administrative CLI to control HA daemons
> --------------------------------------------
>
>                 Key: HDFS-2487
>                 URL: https://issues.apache.org/jira/browse/HDFS-2487
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs client
>    Affects Versions: HA branch (HDFS-1623)
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>
> We'll need to have some way of controlling the HA nodes while they're live, 
> probably by adding some more commands to dfsadmin.

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