https://community.cloudera.com/t5/Support-Questions/NameNode-always-coming-up-in-safe-mode-after-installation/m-p/183691#M145853 <A rel="user" href="#">@Muthukumar Somasundaram</A><P>Namenode will be in safemode until it receives the specified percentage(dfs.namenode.safemode.threshold-pct=0.999f) of blocks that should satisfy minimal replication and it should be reported to namenode. </P><P>In your case, Namenode still waiting for block report from datanodes. Please ensure that all datanodes are up and running, and check if datanode is sending block report. </P><P>Addition, Check how many blocks so far reported to namenode?</P><P>ie. The reported blocks 71 needs additional 17 blocks to reach the threshold 1.0000 of total blocks 87.</P> Thu, 06 Sep 2018 14:07:28 GMT kpalanisamy 2018-09-06T14:07:28Z