[jira] [Commented] (AMBARI-7748) Ability to add/remove JournalNodes

["Dave Disser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-7748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14172476#comment-14172476 ] 

Dave Disser commented on AMBARI-7748:
-------------------------------------

The REST API also does not allow moving JN; attempt to DELETE the JOURNALNODE component results in "org.apache.ambari.server.controller.spi.SystemException: An internal system exception occurred: Host Component cannot be removed"

> Ability to add/remove JournalNodes
> ----------------------------------
>
>                 Key: AMBARI-7748
>                 URL: https://issues.apache.org/jira/browse/AMBARI-7748
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-web
>    Affects Versions: 1.6.1
>            Reporter: Jeff Sposetti
>             Fix For: 2.0.0
>
>
> 1. During NameNode HA wizard, you should be able to increase/decrease the JNs. Expect a minimum of 3 JNs.
> 2. Once HA is enabled, on the Host Details pages, the "+Add" button should allow for adding JN component to a host that does not have JN already.
> 3. For a host that has a JN component, in the component "Actions" button, show option to delete (along with start/stop).



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