hadoop起动后没有datanode的问题

查看日志后发现： java.io.IOException: Incompatible clusterIDs in /home/storm/hadoop/dfs/data: namenode clusterID = CID-bee17bb7-308b-4e4d-b059-3c73519a9d0e; datanode clusterID = CID-7fca37f0-a600-4e89-a012-aec2a3499151 at org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:760) at org.apache.hadoop.hdfs.server.datanode.DataStorage.loadStorageDirectory(DataStorage.java:293) at org.apache.hadoop.hdfs.server.datanode.DataStorage.loadDataStorage(DataStorage.java:409) at org.apache.hadoop.hdfs.server.datanode.DataStorage.addStorageLocations(DataStorage.java:388) at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:556) at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1566) at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1527) at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:327) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:266) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:746) at java.lang.Thread.run(Thread.java:745) 2017-10-06 12:01:35,752 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid 7044cfaa-9868-44d8-a50d-15acd0a7fff1) service to h1/172.18.18.189:9000. Exiting. java.io.IOException: All specified directories are failed to load. at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:557) at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1566) at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1527) at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:327) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:266) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:746) at java.lang.Thread.run(Thread.java:745) 2017-10-06 12:01:35,752 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Ending block pool service for: Block pool <registering> (Datanode Uuid 7044cfaa-9868-44d8-a50d-15acd0a7fff1) service to h1/172.18.18.189:9000 2017-10-06 12:01:35,754 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Removed Block pool <registering> (Datanode Uuid 7044cfaa-9868-44d8-a50d-15acd0a7fff1) 2017-10-06 12:01:37,754 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Exiting Datanode 2017-10-06 12:01:37,757 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 0 2017-10-06 12:01:37,760 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down DataNode at h3/172.18.18.173 ************************************************************/ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 查看日志后发现： java.io.IOExcep