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https://issues.apache.org/jira/browse/HDFS-8226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14534503#comment-14534503
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Hudson commented on HDFS-8226:
------------------------------
SUCCESS: Integrated in Hadoop-Yarn-trunk #921 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/921/])
HDFS-8226. Non-HA rollback compatibility broken (Contributed by J.Andreina)
(vinayakumarb: rev e01c1a979cbc8fb398d5b7a46693657bc2668a58)
* hadoop-hdfs-project/hadoop-hdfs/src/main/bin/start-dfs.sh
* hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsUserGuide.md
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> 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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