static private byte[] getDummyHeaderForVersion(boolean usesHBaseChecksum) {
    return usesHBaseChecksum ? HConstants.HFILEBLOCK_DUMMY_HEADER : DUMMY_HEADER_NO_CHECKSUM;
  }
Return the appropriate DUMMY_HEADER for the minor version
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlock.java