hadoop集群崩溃,因为tmp下/tmp/hadoop-hadoop/dfs/name文件误删除
hadoop执行start-all后,显示正常启动。startingnamenode,loggingto/opt/hadoop-0.20.2-cdh3u0/logs/hadoop-hadoop-namenode-localhost.localdomain.outlocalhost:startingdatanode,loggingto/opt/hadoop-0.20.2-cdh3u0/bin/../