Hadoop?????????java.io.IOException: Incompatible clusterIDs

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?????????data   nbsp   com   roo   ??????   col   nod   ??????   datanode   

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??????Hadoop???????????????????????????DataNode????????????

 

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??????hadoop-root-datanode-bigdata114.log??????????????????????????????

java.io.IOException: Incompatible clusterIDs in /root/training/hadoop-2.7.3/tmp/dfs/data:

namenode clusterID = CID-947a48a2-56aa-4566-85d6-b5987d0bfeca; datanode clusterID = CID-8c75bd62-98f6-4482-85f3-865cb9a0f70f

 

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?????? /root/training/hadoop-2.7.3/tmp/dfs/data/current ??????VERSION?????????/tmp ?????? core-site.xml ????????????hadoop??????????????????

#Thu Dec 13 00:00:49 CST 2018
storageID=DS-e242ac88-5b0f-402c-b138-7e29f583ec82
clusterID=CID-8c75bd62-98f6-4482-85f3-865cb9a0f70f
cTime=0
datanodeUuid=2ddcdd2a-9f76-4e3e-8cc3-9b9d44448936
storageType=DATA_NODE
layoutVersion=-56

???clusterID?????????CID-947a48a2-56aa-4566-85d6-b5987d0bfeca ??????







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