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https://issues.apache.org/jira/browse/HDFS-8226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14534266#comment-14534266
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Vinayakumar B commented on HDFS-8226:
-------------------------------------
Committed to trunk, branch-2 and branch-2.7
Thanks [~andreina] for the good catch and contribution.
Updated the release notes with the updated steps for Non-HA rollback.
> Non-HA rollback compatibility broken
> ------------------------------------
>
> Key: HDFS-8226
> URL: https://issues.apache.org/jira/browse/HDFS-8226
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: J.Andreina
> Assignee: J.Andreina
> Priority: Blocker
> Fix For: 2.7.1
>
> Attachments: HDFS-8226.1.patch, HDFS-8226.2.patch
>
>
> In HA while performing rollback , we use “hdfs namenode –rollback” which
> would prompt user for confirmation. ( Implemented as part of HDFS-5138)
> For Non-HA , as per doc if we perform rollback using “start-dfs.sh –rollback”
> , then namenode startup hangs ( As it tries to start namenode in daemon mode
> , hence will not be able to prompt user for confirmation )
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