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dataNode启动失败

java.io.IOException: Incompatible clusterIDs in /home/hadoop/app/tmp/dfs/data: namenode clusterID = CID-8b697e9a-0125-45f8-978d-c6744f69fdba; datanode clusterID = CID-7806dc12-b049-401e-9063-a49b06e86c29
at org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:779)
at org.apache.hadoop.hdfs.server.datanode.DataStorage.loadStorageDirectory(DataStorage.java:302)
at org.apache.hadoop.hdfs.server.datanode.DataStorage.loadDataStorage(DataStorage.java:418)
at org.apache.hadoop.hdfs.server.datanode.DataStorage.addStorageLocations(DataStorage.java:397)
at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:575)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1560)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1520)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:354)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:219)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:673)
at java.lang.Thread.run(Thread.java:745)
2019-02-21 10:02:43,993 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool ID needed, but service not yet registered with NN, trace:
java.lang.Exception
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.getBlockPoolId(BPOfferService.java:190)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.hasBlockPoolId(BPOfferService.java:200)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.shouldRetryInit(BPOfferService.java:799)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.shouldRetryInit(BPServiceActor.java:712)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:678)
at java.lang.Thread.run(Thread.java:745)
2019-02-21 10:02:43,993 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool (Datanode Uuid 20fe9342-090d-460b-97e5-c84110a4b82b) service to hadoop000/192.168.31.150:8020. Exiting.
java.io.IOException: All specified directories are failed to load.
at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:576)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1560)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1520)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:354)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:219)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:673)
at java.lang.Thread.run(Thread.java:745)
2019-02-21 10:02:43,993 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Ending block pool service for: Block pool (Datanode Uuid 20fe9342-090d-460b-97e5-c84110a4b82b) service to hadoop000/192.168.31.150:8020
2019-02-21 10:02:44,095 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool ID needed, but service not yet registered with NN, trace:
java.lang.Exception
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.getBlockPoolId(BPOfferService.java:190)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.hasBlockPoolId(BPOfferService.java:200)
at org.apache.hadoop.hdfs.server.datanode.BlockPoolManager.remove(BlockPoolManager.java:91)
at org.apache.hadoop.hdfs.server.datanode.DataNode.shutdownBlockPool(DataNode.java:1475)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.shutdownActor(BPOfferService.java:437)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.cleanUp(BPServiceActor.java:457)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:707)
at java.lang.Thread.run(Thread.java:745)
2019-02-21 10:02:44,095 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Removed Block pool (Datanode Uuid 20fe9342-090d-460b-97e5-c84110a4b82b)
2019-02-21 10:02:44,095 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool ID needed, but service not yet registered with NN, trace:
java.lang.Exception
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.getBlockPoolId(BPOfferService.java:190)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.hasBlockPoolId(BPOfferService.java:200)
at org.apache.hadoop.hdfs.server.datanode.DataNode.shutdownBlockPool(DataNode.java:1476)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.shutdownActor(BPOfferService.java:437)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.cleanUp(BPServiceActor.java:457)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:707)
at java.lang.Thread.run(Thread.java:745)
2019-02-21 10:02:46,096 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Exiting Datanode
2019-02-21 10:02:46,098 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 0
2019-02-21 10:02:46,101 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at hadoop000/192.168.31.150
************************************************************/