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https://issues.apache.org/jira/browse/HDFS-7042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14129500#comment-14129500
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Arpit Agarwal commented on HDFS-7042:
-------------------------------------
+1
> Upgrade fails for Windows HA cluster due to file locks held during rename in
> JournalNode.
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-7042
> URL: https://issues.apache.org/jira/browse/HDFS-7042
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: journal-node
> Affects Versions: 2.4.1
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Blocker
> Attachments: HDFS-7042.1.patch
>
>
> During upgrade of an HA cluster, the JournalNode attempts to rename the
> current storage directory to previous. However, the process still holds the
> last committed transaction ID file opened while this is happening. On
> Windows, this is a locking violation that causes the rename operation to
> fail. Ultimately the whole upgrade fails. There is a similar problem during
> rollback too.
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