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https://issues.apache.org/jira/browse/HDFS-17383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17818421#comment-17818421
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ASF GitHub Bot commented on HDFS-17383:
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ThinkerLei closed pull request #6561: HDFS-17383:Datanode current block token 
should come from active NameNode in HA mode
URL: https://github.com/apache/hadoop/pull/6561




> Datanode current block token should come from active NameNode in HA mode
> ------------------------------------------------------------------------
>
>                 Key: HDFS-17383
>                 URL: https://issues.apache.org/jira/browse/HDFS-17383
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: lei w
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: reproduce.diff
>
>
> We found that transfer block failed during the namenode upgrade. The specific 
> error reported was that the block token verification failed. The reason is 
> that during the datanode transfer block process, the source datanode uses its 
> own generated block token, and the keyid comes from ANN or SBN. However, 
> because the newly upgraded NN has just been started, the keyid owned by the 
> source datanode may not be owned by the target datanode, so the write fails. 
> Here's how to reproduce this situation in the attachment



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