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From "Antonenko Alexander (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-3156) NameNode HA wizard (rollback): Create API calls for Restore HDFSconfigs, Enable Secondary NN, Stop JournalNodes
Date Tue, 10 Sep 2013 14:30:56 GMT
Antonenko Alexander created AMBARI-3156:
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             Summary: NameNode HA wizard (rollback): Create API calls for Restore HDFSconfigs,
Enable Secondary NN, Stop JournalNodes
                 Key: AMBARI-3156
                 URL: https://issues.apache.org/jira/browse/AMBARI-3156
             Project: Ambari
          Issue Type: Task
          Components: client
    Affects Versions: 1.4.1
            Reporter: Antonenko Alexander
            Assignee: Antonenko Alexander
             Fix For: 1.4.1


For following tasks:
Restore HDFS configs
Enable Secondary NameNode
Stop JournalNodes
Note that:
Show progress for this tasks
Check at what state is currently the component, delete component only if it is in maintenance
mode.
Implement function:
For input will take component name, and array of hosts. 
Set this component on different hosts to maintenance mode.
Delete this component on different hosts.
Show progress popup when user click on task name.

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