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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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Status: Open (was: Patch Available)
I'll reworking some of the tests to address Owen's concerns.
The patch also needs to be updated for the latest trunk.
I'll create a test-nightly target to run 4 of the new tests which take a while
to run. The target will run all tests that start with the word "Nightly".
> 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, FSStateTransition.patch,
> FSStateTransition6.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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