Datanode启动问题 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool <registering>

-- ::, INFO org.apache.hadoop.hdfs.server.datanode.DataNode: supergroup = supergroup
-- ::, INFO org.apache.hadoop.ipc.CallQueueManager: Using callQueue: class java.util.concurrent.LinkedBlockingQueue queueCapacity:
-- ::, INFO org.apache.hadoop.ipc.Server: Starting Socket Reader # for port
-- ::, INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Opened IPC server at /0.0.0.0:
-- ::, INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Refresh request received for nameservices: mycluster
-- ::, INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Starting BPOfferServices for nameservices: mycluster
-- ::, INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool <registering> (Datanode Uuid unassigned) service to hdp265m.test.com/192.168.56.104: starting to offer service
-- ::, INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Block pool <registering> (Datanode Uuid unassigned) service to hdp265m2.test.com/192.168.56.107: starting to offer service
-- ::, INFO org.apache.hadoop.ipc.Server: IPC Server Responder: starting
-- ::, INFO org.apache.hadoop.ipc.Server: IPC Server listener on : starting
-- ::, INFO org.apache.hadoop.hdfs.server.common.Storage: Lock on /home/hdp/hadoop/data/in_use.lock acquired by nodename @hdp265s1.test.com
-- ::, WARN org.apache.hadoop.hdfs.server.common.Storage: java.io.IOException: Incompatible clusterIDs in /home/hdp/hadoop/data: namenode clusterID = CID-bf7ff1f1-680c-4bbf-958b-bda65fb409de; datanode clusterID = c1
-- ::, INFO org.apache.hadoop.hdfs.server.common.Storage: Lock on /home/hdp/hadoop/data/in_use.lock acquired by nodename @hdp265s1.test.com
-- ::, WARN org.apache.hadoop.hdfs.server.common.Storage: java.io.IOException: Incompatible clusterIDs in /home/hdp/hadoop/data: namenode clusterID = CID-bf7ff1f1-680c-4bbf-958b-bda65fb409de; datanode clusterID = c1
-- ::, FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid unassigned) service to hdp265m2.test.com/192.168.56.107:. Exiting.
java.io.IOException: All specified directories are failed to load.
        at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:)
        at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:)
        at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:)
        at java.lang.Thread.run(Thread.java:)

原因是clusterID不一致

删除tmp下的内容

从/home/hdp/hadoop/name/current/VERSION 获得clusterID

修改到

/home/hdp/hadoop/data/current/VERSION

修改保持一致，然后重启服务