dfs.data.dir 配置导致datanode无法启动_dfs.datanode.data.dir没有配置

作者：空白诗007 | 2024-07-15 06:39:28

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dfs.datanode.data.dir没有配置

在新装的hadoop集群中由于大意

dfs.data.dir参数所对应的目录没有建立导致该datanode没有起来：

错误信息如下：

2012-12-14 12:17:50,463 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties

2012-12-14 12:17:50,475 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source MetricsSystem,sub=Stats registered.
2012-12-14 12:17:50,477 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s).
2012-12-14 12:17:50,477 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: DataNode metrics system started
2012-12-14 12:17:50,554 INFO org.apache.hadoop.metrics2.impl.MetricsSourceAdapter: MBean for source ugi registered.
2012-12-14 12:17:50,587 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Invalid directory in dfs.data.dir: can not create directory: /data/hdfs/data <

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