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Posted to hdfs-dev@hadoop.apache.org by "Haohui Mai (JIRA)" <ji...@apache.org> on 2014/02/28 04:15:20 UTC

[jira] [Created] (HDFS-6034) DN registration should use DataNodeLayoutVersion instead of NameNodeLayoutVersion

Haohui Mai created HDFS-6034:
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             Summary: DN registration should use DataNodeLayoutVersion instead of NameNodeLayoutVersion
                 Key: HDFS-6034
                 URL: https://issues.apache.org/jira/browse/HDFS-6034
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: HDFS-5535 (Rolling upgrades)
            Reporter: Haohui Mai


Currently the registrationID is in the form of {{BlockPoolID-NNLayoutVersion}}. When the NN bumps the layout version during rolling upgrade, the DNs will fail to register with the new NN and exit, regardless whether the new software version is used.



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