Cloudera集群在运行中常见的问题,及解决方案

1、某台datanode机器启动不起来

某台datanode机器启动不起来,报错信息如下

Cloudera集群在运行中常见的问题,及解决方案_第1张图片

具体问题

Failed to analyze storage directories for block pool BP-177636967-192.168.2.14-1502791129465 java.io.IOException: BlockPoolSliceStorage.recoverTransitionRead: attempt to load an used block storage: /richstone/hd03/dfs/dn/current/BP-177636967-192.168.2.14-1502791129465 at org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage.loadBpStorageDirectories(BlockPoolSliceStorage.java:212) at org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceStorage.recoverTransitionRead(BlockPoolSliceStorage.java:244) at org.apache.hadoop.hdfs.server.datanode.DataStorage.addStorageLocations(DataStorage.java:395) at org.apache.hadoop.hdfs.server

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