https://community.cloudera.com/t5/Archives-of-Support-Questions/How-to-up-a-data-node/m-p/162738#M33316 <P>The command to start datanode is su - hdfs -c "/usr/hdp/current/hadoop-client/sbin/hadoop-daemon.sh start datanode"</P><P>More info can be found in</P><P><A href="https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.4/bk_upgrading_hdp_manually/content/start-hadoop-core-13.html" target="_blank">https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.4/bk_upgrading_hdp_manually/content/start-hadoop-core-13.html</A></P> Thu, 30 Jun 2016 01:42:11 GMT ssathish 2016-06-30T01:42:11Z https://community.cloudera.com/t5/Archives-of-Support-Questions/How-to-up-a-data-node/m-p/162737#M33315 Wed, 29 Jun 2016 17:38:40 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/How-to-up-a-data-node/m-p/162737#M33315 ansarifah 2016-06-29T17:38:40Z https://community.cloudera.com/t5/Archives-of-Support-Questions/How-to-up-a-data-node/m-p/162738#M33316 <P>The command to start datanode is su - hdfs -c "/usr/hdp/current/hadoop-client/sbin/hadoop-daemon.sh start datanode"</P><P>More info can be found in</P><P><A href="https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.4/bk_upgrading_hdp_manually/content/start-hadoop-core-13.html" target="_blank">https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.4/bk_upgrading_hdp_manually/content/start-hadoop-core-13.html</A></P> Thu, 30 Jun 2016 01:42:11 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/How-to-up-a-data-node/m-p/162738#M33316 ssathish 2016-06-30T01:42:11Z