@K D Wow!! good to share the findings. Yes, the explicit proxy setting will force the cluster ndoes to pass their requests via Network Proxy and which might not be aware of the "node1.mydomain". So good to remove the proxy settings. It will be also great to close this thread by clicking on the "Accept" button so that other HCC users can quickly browse the solution when they encounter the same issue. ... View more

@Jey SenSharma: Thanks for your help. After setting permission as suggested by you, now we are waiting for namenode to come up. '/usr/hdp/current/hadoop-hdfs-namenode/bin/hdfs dfsadmin -fs hdfs://mach.openstacklocal:8020 -safemode get | grep 'Safe mode is OFF'' returned 1.<br> Learned that this wait is natural in namenode start-up as in: Name node start up operations Thanks, KD ... View more