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https://issues.apache.org/jira/browse/HDFS-5147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13984047#comment-13984047
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Sanghyun Yun commented on HDFS-5147:
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[~jingzhao], thanks for your answers.
I known -fs option and it works well.
But, I think "dfsadmin" command should be affect active namenode when I don't
specify specific NN URI or use "-fs hdfs://CLUSTERNAME".
Currently, it affect first namenode that doesn't matter active or standby.
> Certain dfsadmin commands such as safemode do not interact with the active
> namenode in ha setup
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-5147
> URL: https://issues.apache.org/jira/browse/HDFS-5147
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha
> Affects Versions: 2.1.0-beta
> Reporter: Arpit Gupta
> Assignee: Jing Zhao
>
> There are certain commands in dfsadmin return the status of the first
> namenode specified in the configs rather than interacting with the active
> namenode
> For example. Issue
> hdfs dfsadmin -safemode get
> and it will return the status of the first namenode in the configs rather
> than the active namenode.
> I think all dfsadmin commands should determine which is the active namenode
> do the operation on it.
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