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From "Aleksandr Kovalenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-2856) NameNode HA Wizard: E2E integration for progress page after Create Checkpoint page
Date Tue, 13 Aug 2013 15:35:54 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-2856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksandr Kovalenko updated AMBARI-2856:
----------------------------------------

    Attachment:     (was: AMBARI-2856.patch)
    
> NameNode HA Wizard: E2E integration for progress page after Create Checkpoint page
> ----------------------------------------------------------------------------------
>
>                 Key: AMBARI-2856
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2856
>             Project: Ambari
>          Issue Type: Task
>          Components: client
>    Affects Versions: 1.4.0
>            Reporter: Aleksandr Kovalenko
>            Assignee: Aleksandr Kovalenko
>             Fix For: 1.4.0
>
>         Attachments: AMBARI-2856.patch
>
>
> Step 5 (Progress page after Create Checkpoint page)
> * "Stop All Services"
> make an API call to stop all services
> * "Install Additional NameNode"
> make an API call to install the additional NAMENODE component on the assigned host
> * "Install JournalNodes"
> make an API call to install the JOURNALNODE component on the assigned 3 hosts
> * "Start JournalNodes"
> make an API call to start all the JOURNALNODEs
> * "Disable Secondary NameNode"
> make an API call to change the state of the SECONDARY_NAMENODE to "MAINTENANCE" state
> * "Reconfigure HDFS"
> make an API call to install HDFS_CLIENT on the host(s) for the two NAMENODEs.  This pushes
the config files (core-site and hdfs-site) to these hosts.  The backend takes care of pushing
the config files even if these components are already installed.

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