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https://issues.apache.org/jira/browse/HDFS-7998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14484827#comment-14484827
 ] 

Hadoop QA commented on HDFS-7998:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12723840/HDFS-7998.patch
  against trunk revision ab04ff9.

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+0 tests included{color}.  The patch appears to be a 
documentation patch that doesn't require tests.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with 
eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The test build failed in 
hadoop-hdfs-project/hadoop-hdfs 

Test results: 
https://builds.apache.org/job/PreCommit-HDFS-Build/10206//testReport/
Console output: 
https://builds.apache.org/job/PreCommit-HDFS-Build/10206//console

This message is automatically generated.

> HDFS Federation : Command mentioned to add a NN to existing federated cluster 
> is wrong 
> ---------------------------------------------------------------------------------------
>
>                 Key: HDFS-7998
>                 URL: https://issues.apache.org/jira/browse/HDFS-7998
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Ajith S
>            Assignee: Ajith S
>            Priority: Minor
>         Attachments: HDFS-7998.patch
>
>
> HDFS Federation documentation 
> http://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/Federation.html
> has the following command to add a namenode to existing cluster
> > $HADOOP_PREFIX_HOME/bin/hdfs dfadmin -refreshNameNode 
> > <datanode_host_name>:<datanode_rpc_port>
> this command is incorrect, actual correct command is 
> > $HADOOP_PREFIX_HOME/bin/hdfs dfsadmin -refreshNamenodes 
> > <datanode_host_name>:<datanode_rpc_port>
> need to update the same in documentation



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