2016-01-04 20:02:36,946 FATAL datanode.DataNode (BPServiceActor.java:run(833)) - Initialization failed for Block p

ool <registering> (Datanode Uuid 420b4192-7b99-4865-8e52-19c981f122eb) service to server200/192.168.137.200:8020. 

Exiting. 



修改 /hadoop/hdfs/data/current/VERSION中的clusterID