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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5420) Not need to launch Secondary namenode for NN HA mode?
Date Tue, 27 Jan 2015 19:25:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HDFS-5420:
-----------------------------------
    Attachment: HDFS-5420-00.patch

-00:
* Initial version

I think this covers some cases, but not all of them.  Better than nothing!


> Not need to launch Secondary namenode for NN HA mode?
> -----------------------------------------------------
>
>                 Key: HDFS-5420
>                 URL: https://issues.apache.org/jira/browse/HDFS-5420
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 3.0.0
>            Reporter: Raymond Liu
>            Priority: Minor
>         Attachments: HDFS-5420-00.patch
>
>
> For Hadoop 2, When deploying with NN HA, the wiki says that it is an error to start a
secondary namenode. While the sbin/start-dfs.sh still launch a secondary namenode even nothing
related to the secondary namenode is configured. Should this be fixed? or people just don't
use this scripts to start HA hdfs?



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