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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-1842) Cannot upgrade 0.20.203 to 0.21 with an editslog present
Date Fri, 15 Apr 2011 23:22:05 GMT
Cannot upgrade 0.20.203 to 0.21 with an editslog present
--------------------------------------------------------

                 Key: HDFS-1842
                 URL: https://issues.apache.org/jira/browse/HDFS-1842
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.20.203.0
            Reporter: Allen Wittenauer
            Priority: Blocker


If a user installs 0.20.203 and then upgrades to 0.21 with an editslog present, 0.21 will
corrupt the file system due to opcode re-usage.

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