@ANSARI FAHEEM AHMED From above i understood that you have enabled both Namenode HA (HDFS) and Resource Manager HA (YARN) Now in 1) HDFS, your namenode in nn01 is active and nn02 is standby 2) YARN, your resource manager in nn01 is standby and nn02 is active You might be confusing with the hostnames and this shouldn't be a problem. Let me know if this is what you are looking for. ... View more

@Niraj Parmar Please follow instructions provided in : http://hortonworks.com/hadoop-tutorial/apache-zeppelin/ Edit : Above tutorial is for installing zeppelin manually. I don't think we can install zeppelin through ambari in HDP 2.3 . Ambari Managed installation is supported in HDP 2.4 : http://hortonworks.com/hadoop-tutorial/apache-zeppelin-hdp-2-4/ ... View more

@Mamta Chawla Here is the command to import data from mysql to local FS (documentation) : sqoop import -fs local -jt local --connect jdbc:mysql://<host>/sqoop --username <user> --password <password> --table <table-name> ... View more

@Parameswara Nangi if [ "$SERVICE" = "cli" ] && [ "$USER" != "ambari-qa" ]; then echo "Sorry! hive cli has been disabled for security purpose, please use beeline instead." exit 1 fi This gives ambari-qa the hive cli access and therefore the hive metastore health check passes. ... View more

@Praveen K Singh find the ip of the sandbox using "ifconfig" and use that ip instead of 127.0.0.1 in your browser (Launch the browser in your local system). ... View more