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HDFS, mail # dev - [jira] [Created] (HDFS-5905) Upgrade and rolling upgrade should not be allowed simultaneously


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[jira] [Created] (HDFS-5905) Upgrade and rolling upgrade should not be allowed simultaneously
"Tsz Wo 2014-02-07, 17:00
Tsz Wo (Nicholas), SZE created HDFS-5905:

             Summary: Upgrade and rolling upgrade should not be allowed simultaneously
                 Key: HDFS-5905
                 URL: https://issues.apache.org/jira/browse/HDFS-5905
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Tsz Wo (Nicholas), SZE
            Assignee: Tsz Wo (Nicholas), SZE
The existing upgrade/finalize mechanism and the new rolling upgrade mechanism are two distinct features for upgrading the HDFS software.  They cannot be executed simultaneously.

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