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https://issues.apache.org/jira/browse/HDFS-6948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Payne reassigned HDFS-6948:
--------------------------------

    Assignee: Eric Payne

> DN rejects blocks if it has older UC block
> ------------------------------------------
>
>                 Key: HDFS-6948
>                 URL: https://issues.apache.org/jira/browse/HDFS-6948
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Eric Payne
>
> DNs appear to always reject blocks, even with newer genstamps, if it already 
> has a UC copy in its tmp dir.
> {noformat}ReplicaAlreadyExistsException: Block
> XXX already
> exists in state TEMPORARY and thus cannot be created{noformat}



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