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From "Aleksandr Kovalenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-2856) NameNode HA Wizard: E2E integration for progress page after Create Checkpoint page
Date Fri, 09 Aug 2013 17:24:47 GMT
Aleksandr Kovalenko created AMBARI-2856:
-------------------------------------------

             Summary: 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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