@Lokesh Mukku Did you restart the agents on node2 and 3 ?and proceed with manual registration? If you encountered error can you share? ... View more

@Lokesh Mukku Did you edit /etc/ambari-agent/conf/ambari-agent.ini to point to your ambari-server-host FQDN?? i.e the $NEW FULLY.QUALIFIED.DOMAIN.NAME should be the output of $ hostname -f from you ambari host [server] hostname=$NEW FULLY.QUALIFIED.DOMAIN.NAME url_port=8440 secured_url_port=8441 Then restart the ambari-agent do this on both node2 and node3 ... View more

@Lokesh Mukku Just be sure everything was correctly done, did you follow the hortonworks documentation for preparing the environment, - Enable NTP - Disable SELinux - Disable IPTables See this document to install ambari agents manually and point it to the ambari server that should work out of the box . After the installation and configuration of the agents then go back to ambari and when you get to regstering hosts choose the manual step your 2 hosts should register successfully. Please let me know ... View more

@sangameshwar swami I see in the log that you haven't create the nifi user raiseExecutionFailed(err_msg, code,out, err)resource_management.core.exceptions.ExecutionFailed:Execution of 'usermod -G nifi -g hadoop nifi' returned 6. usermod: user 'nifi' does not exist in/etc/passwd Can you create the nifi user in the desired group and retry ... View more

@Rakesh Kumar The thread you are referring too was closed. I doubt whether members attend to old threads I advise you to open a new thread and possibly attach the logs at times errors differ. Please do that !! ... View more

@prarthana basgod Can you share /var/log/hbase/hs_err_pid14895.log ... View more

@prarthana basgod Without your memory settings its difficult to help but generally your can run the below command to temporarily set the memory sudo -u hbase HBASE_HEAPSIZE=10G hbase hbck -fix Please revert ... View more

@Mudassar Hussain Yes you can add that node after the initial installation. ... View more