https://community.cloudera.com/t5/Support-Questions/HDFS-gets-0-datanodes-live-but-datanodes-are-started/m-p/282818#M210416 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/71175">@fgarcia</a>Can you try to hit rest call and check if you get same info ?</P><P>&nbsp;</P><P>curl -X GET&nbsp; admin: <A href="http://cmvp7k0h.prd.cm.par.emea.cib:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo" target="_blank" rel="noopener">http://&lt;active_namenode&gt;:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo</A></P><P>&nbsp;</P><P>From the Namenode screenshot it seems that 0 datanodes/blocks are reported to NN.</P><P>Do you see all connections between DN and NN are good?</P><P>Can you check/pass full log strack?</P><P>&nbsp;</P><P>&nbsp;</P> Wed, 13 Nov 2019 04:42:34 GMT sagarshimpi 2019-11-13T04:42:34Z