刚刚在hadoop想创建一个目录的时候，发现报错了

具体信息如下：

[hadoop@mini1 hadoop-2.6.4]$ hadoop fs -mkdir /file

mkdir: Cannot create directory /file. Name node is in safe mode.

从错误信息可以看到hadoop当前的namenode是处于安全模式。

解决：

[hadoop@mini1 hadoop-2.6.4]$ hadoop  dfsadmin -safemode leave

DEPRECATED: Use of this script to execute hdfs command is deprecated.

Instead use the hdfs command for it.

Safe mode is OFF

再次执行创建目录的的命令，成功

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