[jira] [Commented] (AMBARI-3278) NameNode HA Wizard: update manual instructions to make sure that the user runs the commands as the hdfs user

["Jaimin D Jetly (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13771371#comment-13771371 ] 

Jaimin D Jetly commented on AMBARI-3278:
----------------------------------------

+1 for the patch.
                
> NameNode HA Wizard: update manual instructions to make sure that the user runs the commands as the hdfs user
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-3278
>                 URL: https://issues.apache.org/jira/browse/AMBARI-3278
>             Project: Ambari
>          Issue Type: Task
>          Components: client
>    Affects Versions: 1.4.1
>            Reporter: Yusaku Sako
>            Assignee: Yusaku Sako
>             Fix For: 1.4.1
>
>         Attachments: AMBARI-3278.patch
>
>
> Currently, we tell the user to log in to the right NameNode host as the user "<hdfs_user>" where <hdfs_user> is the customized HDFS username.
> However, it is easy to gloss over it and run the command as a different user (say sudo user or root).
> We should change the commands to say:
> sudo su -l <hdfs_user> -c '<command>'
> (UI automatically substitutes <hdfs_user> and <command> with the appropriate values).
> Other text changes:
> * The Review page says that SNN will be "disabled". This is incorrect. SNN is to be deleted.
> * General label clean up on the roll back wizard.

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