先stop-all.sh 再start-dfs.sh,逐个的启动,不要那么快
[root@hadoop ~]# start-dfs.sh
17/11/11 11:25:36 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Starting namenodes on [hadoop]
hadoop: starting namenode, logging to /usr/local/hadoop/logs/hadoop-root-namenode-hadoop.out
可以看看文件 /usr/local/hadoop/logs/hadoop-root-namenode-hadoop.out