[jira] [Updated] (AMBARI-2278) Ambari should provide an option to clean a host of existing installs and then re-install required components

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

     [ https://issues.apache.org/jira/browse/AMBARI-2278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yusaku Sako updated AMBARI-2278:
--------------------------------

    Fix Version/s:     (was: 1.3.1)
    
> Ambari should provide an option to clean a host of existing installs and then re-install required components
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-2278
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2278
>             Project: Ambari
>          Issue Type: Bug
>          Components: controller
>    Affects Versions: 1.2.4
>            Reporter: Sumit Mohanty
>
> Due to many reasons (e.g. prior installation/cleanup of Hadoop components) its possible that some hosts may be in an inconsistent state (e.g. a Hadoop component is installed but some directories are missing). If its explicitly allowed by the user to erase and install Hadoop components then Ambari should do it. This is especially critical 
> Ambari should provide an option to 1) clean-up the host before installing Hadoop components 2) generate a report of what will be cleaned and present it to the user

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