https://community.cloudera.com/t5/Support-Questions/HDFS-gets-0-datanodes-live-but-datanodes-are-started/m-p/282825#M210418 <P>Just leave the safe mode by using</P><P>"hdfs dfsadmin - safemode leave" command.&nbsp;</P><P>Because Safe mode is read only mode. If it is on u can't write anything into hdfs. That's y cloudera manager or any distributions failed to create dir'r in hdfs.</P><P>Leave the safe mode and restart the hdfs once.&nbsp;</P> Wed, 13 Nov 2019 05:26:10 GMT Tati 2019-11-13T05:26:10Z