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From "Kai Sasaki (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7302) namenode -rollingUpgrade downgrade may finalize a rolling upgrade
Date Tue, 24 Feb 2015 00:44:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Sasaki updated HDFS-7302:
-----------------------------
              Labels: document hdfs  (was: )
    Target Version/s: 2.6.0
              Status: Patch Available  (was: Open)

I removed rollingUpgrade downgrade option and update documents.
Please review it. Thank you.

> namenode -rollingUpgrade downgrade may finalize a rolling upgrade
> -----------------------------------------------------------------
>
>                 Key: HDFS-7302
>                 URL: https://issues.apache.org/jira/browse/HDFS-7302
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Kai Sasaki
>              Labels: hdfs, document
>
> The namenode startup option "-rollingUpgrade downgrade" is originally designed for downgrading
cluster.  However, running "namenode -rollingUpgrade downgrade" with the new software could
result in finalizing the ongoing rolling upgrade.



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