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Date: Wed, 4 Apr 2007 04:27:33 -0700 (PDT)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: hadoop-dev@lucene.apache.org
Subject: [jira] Commented: (HADOOP-702) DFS Upgrade Proposal
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    [ https://issues.apache.org/jira/browse/HADOOP-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486632 ] 

Hadoop QA commented on HADOOP-702:
----------------------------------

Integrated in Hadoop-Nightly #47 (See http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/47/)

> DFS Upgrade Proposal
> --------------------
>
>                 Key: HADOOP-702
>                 URL: https://issues.apache.org/jira/browse/HADOOP-702
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: dfs
>            Reporter: Konstantin Shvachko
>         Assigned To: Konstantin Shvachko
>             Fix For: 0.13.0
>
>         Attachments: DFSUpgradeProposal3.html, FSStateTransition6.htm, FSStateTransitionApr03.patch, TestPlan-HdfsUpgrade.html, TestPlan-HdfsUpgrade.html, TestPlan-HdfsUpgrade.html
>
>
> Currently the DFS cluster upgrade procedure is manual.
> http://wiki.apache.org/lucene-hadoop/Hadoop_Upgrade
> It is rather complicated and does not guarantee data recoverability in case of software errors or administrator mistakes.
> This is a description of utilities that make the upgrade process almost automatic and minimize chance of loosing or corrupting data.
> Please see the attached html file for details.

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