root# bin/hadoop fs -mkdir t
mkdir: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create directory /user/root/t. Name node is in safe mode.
hdfsで何も作成できません
やった
root# bin/hadoop fs -safemode leave
しかし、示す
safemode: Unknown command
何が問題ですか?
解決策: http://unmeshasreeveni.blogspot.com/2014/04/name-node-is-in-safe-mode-how-to-leave.html?m=1