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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-5835) Add a new option for starting standby NN when rolling upgrade is in progress
Date Tue, 28 Jan 2014 05:43:38 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE resolved HDFS-5835.
------------------------------------------

       Resolution: Fixed
    Fix Version/s: HDFS-5535 (Rolling upgrades)
     Hadoop Flags: Reviewed

I have committed this.

> Add a new option for starting standby NN when rolling upgrade is in progress
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-5835
>                 URL: https://issues.apache.org/jira/browse/HDFS-5835
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: HDFS-5535 (Rolling upgrades)
>
>         Attachments: h5835_20130127.patch
>
>
> When rolling upgrade is already in-progress and the standby NN is not yet started up,
a new startup option is needed for the standby NN to initialize the upgrade status.



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