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https://issues.apache.org/jira/browse/HDFS-6024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao resolved HDFS-6024.
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Resolution: Fixed
Hadoop Flags: Reviewed
+1. I've committed this.
> Test whether the NN will reject the downgrade if it has a fsimage from a
> newer release
> --------------------------------------------------------------------------------------
>
> Key: HDFS-6024
> URL: https://issues.apache.org/jira/browse/HDFS-6024
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, ha, hdfs-client, namenode
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HDFS-6024.000.patch
>
>
> This jira introduces a new unit test to ensure that the NN will bail out if
> it is presented with a fsimage generated by the newer release.
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