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From Azuryy Yu <azury...@gmail.com>
Subject Re: How to rolling upgrade??
Date Thu, 05 Feb 2015 08:53:04 GMT
please refer to :
http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HdfsRollingUpgrade.html


On Tue, Feb 3, 2015 at 5:38 PM, Mr.J <tjstory@kgrid.co.kr> wrote:

> my cluster A, and cluster B. To upgrade to version 2.6
>
> In what order should I upgrade?
>
> Journalnode 1 >> Journalnode 2 > Journalnode 3 >> Namenode Std >>
Namenode
> Act >> Datanode   ??
>
> Do I also need to upgrade the zookeeper?
>
>
>
> hadoop-2.4.1 :  JournalNode, Namenode, Datanode
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> zookeeper-3.4.6 : zookeeper
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> http://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HdfsRollingUpgrade.html
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