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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8226) Non-HA rollback compatibility broken
Date Thu, 11 Feb 2016 23:22:18 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HDFS-8226:
-----------------------------------
    Hadoop Flags: Incompatible change,Reviewed  (was: Reviewed)

> 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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