Daniel Templeton updated YARN-5685:
    Attachment: YARN-5685.001.patch

Here's a patch that deprecates the property and adds a conf check to make sure 
leader election is enabled.  Is it too much to add the tests in 

> Non-embedded HA failover is broken
> ----------------------------------
>                 Key: YARN-5685
>                 URL: https://issues.apache.org/jira/browse/YARN-5685
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.9.0, 3.0.0-alpha1
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>            Priority: Critical
>         Attachments: YARN-5685.001.patch
> If HA is enabled with automatic failover enabled and embedded failover 
> disabled, all RMs all come up in standby state.  To make one of them active, 
> the {{--forcemanual}} flag must be used when manually triggering the state 
> change.  Should the active go down, the standby will not become active and 
> must be manually transitioned with the {{--forcemanual}} flag.

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