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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-702) DFS Upgrade Proposal
Date Thu, 15 Feb 2007 23:21:05 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nigel Daley updated HADOOP-702:
-------------------------------

    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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