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		12-20-2018
	
		
		12:29 AM
	
	
	
	
	
	
	
	
	
	
	
	
	
	
		
	
				
		
			
					
				
		
	
		
					
							 Format the datanode using the ID  hdfs namenode -format -clusterId a0bb577e-3180-46e3-bc17-982bfc576011  Restart the datanode, it will start fine. 
						
					
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