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

["Yusaku Sako (JIRA)" <ji...@apache.org>]

Yusaku Sako created AMBARI-3278:
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             Summary: 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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