Akira Ajisaka commented on HADOOP-13933:

Mostly looks good to me. I built an HA cluster and verified the new option.
Would you update HDFSHighAvailabilityWithNFS.md and 
HDFSHighAvailabilityWithQJM.md as well? I'm +1 if that is addressed.

> Add haadmin -getAllServiceState option to get the HA state of all the 
> NameNodes/ResourceManagers
> ------------------------------------------------------------------------------------------------
>                 Key: HADOOP-13933
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13933
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: tools
>    Affects Versions: 2.7.1
>            Reporter: Surendra Singh Lilhore
>            Assignee: Surendra Singh Lilhore
>         Attachments: HADOOP-13933.002.patch, HADOOP-13933.003.patch, 
> HADOOP-13933.003.patch, HADOOP-13933.004.patch, HADOOP-13933.005.patch, 
> HDFS-9559.01.patch
> Currently we have one command to get state of namenode.
> {code}
> ./hdfs haadmin -getServiceState <serviceId>
> {code}
> It will be good to have command which will give state of all the namenodes.

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