hadoop 其中一个datanode 启动失败: Structure needs cleaning 文件夹损坏
2019-02-2510:04:29,090INFOorg.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl:Caughtexceptionwhilescanning/home/warehouse/hadoop-2.7.1/tmp/dfs/data/current.Willthrowlater.ExitCodeExcep