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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5874) Should not compare DataNode current layout version with that of NameNode in DataStrorage
Date Mon, 03 Feb 2014 23:51:06 GMT
Brandon Li created HDFS-5874:
--------------------------------

             Summary: Should not compare DataNode current layout version with that of NameNode
in DataStrorage
                 Key: HDFS-5874
                 URL: https://issues.apache.org/jira/browse/HDFS-5874
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Brandon Li


As [~vinayrpet] pointed out in HDFS-5754: in DataStorage DATANODE_LAYOUT_VERSION should not
compare with NameNode layout version anymore. 

{noformat}
      if (DataNodeLayoutVersion.supports(
          LayoutVersion.Feature.FEDERATION,
          HdfsConstants.DATANODE_LAYOUT_VERSION) && 
          HdfsConstants.DATANODE_LAYOUT_VERSION == nsInfo.getLayoutVersion()) {
        readProperties(sd, nsInfo.getLayoutVersion());
{noformat}




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