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https://issues.apache.org/jira/browse/HDFS-6340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990055#comment-13990055
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Arpit Agarwal commented on HDFS-6340:
-------------------------------------
Yes, good catch [~rahulsinghal.iitd]. The change looks fine to me but the patch
won't apply in trunk.
The {{nn.isStandbyState()}} bug appears to have been there for a while. You
could fix it here as Kihwal suggested or file a separate Jira for it and just
fix the immediate regression here.
> DN can't finalize upgarde
> -------------------------
>
> Key: HDFS-6340
> URL: https://issues.apache.org/jira/browse/HDFS-6340
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.4.0
> Reporter: Rahul Singhal
> Priority: Blocker
> Attachments: HDFS-6340-branch-2.4.0.patch
>
>
> I upgraded a (NN) HA cluster from 2.2.0 to 2.4.0. After I issued the
> '-finalizeUpgarde' command, NN was able to finalize the upgrade but DN
> couldn't (I waited for the next block report).
> I think I have found the problem to be due to HDFS-5153. I will attach a
> proposed fix.
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