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    安装Hadoop2.4.0遇到的问题及解决

    2014-06-18 20:34:59,622 FATAL org.apache.Hadoop.hdfs.server.datanode.DataNode: Initialization failed for block pool Block pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:9000 java.io.IOException: Incompatible clusterIDs in /usr/local/hadoop/hdfs/data: namenode clusterID = CID-af6f15aa-efdd-479b-bf55-77270058e4f7; datanode clusterID = CID-736d1968-8fd1-4bc4-afef-5c72354c39ce  at org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:472)  at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:225)  at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:249)  at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:929)  at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:900)  at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:274)  at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:220)  at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:815)  at java.lang.Thread.run(Thread.java:744)

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    Hadoop的datanode新建异常处理

    STARTUP_MSG: Starting DataNode STARTUP_MSG:  host = node-128-99/192.168.1.99 STARTUP_MSG:  args = [] STARTUP_MSG:  version = 1.1.2 STARTUP_MSG:  build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.1 -r 1440782; compiled by 'hortonfo' on Thu Jan 31 02:06:43 UTC 2013 ************************************************************/ 2013-12-06 17:19:20,492 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties 2013-12-06 17:19:20,508 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source MetricsSystem,sub=Stats registered. 2013-12-06 17:19:20,509 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s). 2013-12-06 17:19:20,509 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: DataNode metrics system started 2013-12-06 17:19:20,670 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source ugi registered. 2013-12-06 17:19:20,736 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Invalid directory in dfs.data.dir: can not create directory: /opt/dfs/data 2013-12-06 17:19:22,183 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: org.apache.hadoop.util.DiskChecker$DiskErrorException: Invalid value for volsFailed : 1 , Volumes tolerated : 0         at org.apache.hadoop.hdfs.server.datanode.FSDataset.<init>(FSDataset.java:974)         at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:403)         at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:309)         at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1651)         at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1590)         at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1608)         at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1734)         at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1751)

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