当我启动Ubuntu时，所有的dame都运行但不是数据节点。我必须删除数据节点才能重新启动。请告诉我一个更好的解决方案。
starting resourcemanager, logging to /usr/local/hadoop/logs/yarn-hduser-resourcemanager-sanjeebpanda-VirtualBox.out
localhost: starting nodemanager, logging to /usr/local/hadoop/logs/yarn-hduser-nodemanager-sanjeebpanda-VirtualBox.out
hduser@sanjeebpanda-VirtualBox:~$ jps 4300 RunJar 5215 NodeManager 4926 SecondaryNameNode 5090 ResourceManager 4632 NameNode 5429 Jps
任何人都可以向我解释下面突出显示的部分。 hadoop datanode
14/11/22 10:47:10 FATAL datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:54310. Exiting.
j**ava.io.IOException: Incompatible clusterIDs in /usr/local/hadoop_store/hdfs/datanode: namenode clusterID = CID-c834ad22-5221-4e60-a485-d84c67538ac8; datanode clusterID = CID-aa3ceda5-cc27-42e2-95ed-e88a097cbfb9**
at org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:477)
at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:226)
at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:254)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:975)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:946)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:278)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:220)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:812)
at java.lang.Thread.run(Thread.java:745)
14/11/22 10:47:10 WARN datanode.DataNode: Ending block pool service for: Block pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:54310
14/11/22 10:47:10 INFO datanode.DataNode: Removed Block pool <registering> (Datanode Uuid unassigned)
14/11/22 10:47:12 WARN datanode.DataNode: Exiting Datanode
14/11/22 10:47:12 INFO util.ExitUtil: Exiting with status 0
14/11/22 10:47:12 INFO datanode.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at sanjeebpanda-VirtualBox/127.0.1.1
临时解决方案 我必须删除我的datanode并重新启动所有进程。