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https://issues.apache.org/jira/browse/HADOOP-702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nigel Daley updated HADOOP-702:
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Attachment: TestPlan-HdfsUpgrade.html
Attached updated test plan for the latest design doc. There are certainly
errors in the "expected response" sections of this document, largely due to
missing details in the design doc.
> 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
> Attachments: DFSUpgradeProposal.html, DFSUpgradeProposal2.html,
> DFSUpgradeProposal3.html, FSStateTransition.html, FSStateTransition5.htm,
> 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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