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From "Sanghyun Yun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5147) Certain dfsadmin commands such as safemode do not interact with the active namenode in ha setup
Date Tue, 29 Apr 2014 04:51:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13983998#comment-13983998
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Sanghyun Yun commented on HDFS-5147:
------------------------------------

hdfs dfsadmin -safemode enter 
This command's result is first namenode(it doesn't matter that active) status changes to safemode.
I think should be changed active namenode or both.

hdfs dfsadmin -fs hdfs://CLUSTERNAME -safemode enter
This command's result is same.

Is it correct?

I performed in r2.2.0

> 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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