Hadoop的datanode新建异常处理

绝地灬酷狼 2022-06-07 11:09 200阅读 0赞

[Hadoop][]新部署一个节点。部署完毕后，启动datanode,没起来,错误如下：

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)

2013-12-06 17:19:22,184 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN\_MSG:

**发现是一个目录权限问题**。

mkdir /opt/dfs/  
 chown -R hdfs:hadoop  /opt/dfs/

[Hadoop]: http://www.linuxidc.com/topicnews.aspx?tid=13