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今天检查发现有台datanode的节点挂掉，报错信息如下：

2012-10-31 01:06:37,661 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(192.168.2.29:50010, storageID=DS-257855051-192.168.2.29-50

010-1347860544554, infoPort=50075, ipcPort=50020):Transmitted block blk_-5631394361848368483_3828434 to /192.168.2.23:50010 2012-10-31 01:06:37,700 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Exiting Datanode 2012-10-31 21:41:10,395 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: STARTUP_MSG:  /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG:   host = slave9/192.168.2.29 STARTUP_MSG:   args = [] STARTUP_MSG:   version = 1.0.3 STARTUP_MSG:   build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1.0 -r 1335192; compiled by 'hortonfo' on Tue May  8 20:31:25 UTC 2012 ************************************************************/

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