I got it working on Ambari 2.2.1 1.Create mount points: #mkdir /hadoop/hdfs/data1 /hadoop/hdfs/data2 /hadoop/hdfs/data3 #chown hdfs:hadoop /hadoop/hdfs/data1 /hadoop/hdfs/data2 /hadoop/hdfs/data3 (**We are using the configuration for test purpose only, so no disks are mounted.) 2.Login to Ambari > HDFS>setting 3.Add datanode directories as shown below: Datanode>datanode directories: [DISK]/hadoop/hdfs/data,[SSD]/hadoop/hdfs/data1,[RAMDISK]/hadoop/hdfs/data2,[ARCHIVE]/hadoop/hdfs/data3 Restart hdfs hdfs service. Restart all other afftected services. Create a directory /cold # su hdfs [hdfs@hdp-qa2-n1 ~]$ hadoop fs -mkdir /cold Set COLD storage policy on /cold [hdfs@hdp-qa2-n1 ~]$ hdfs storagepolicies -setStoragePolicy -path /cold -policy COLD Set storage policy COLD on /cold 5. Run get storage policy: [hdfs@hdp-qa2-n1 ~]$ hdfs storagepolicies -getStoragePolicy -path /cold The storage policy of /cold: BlockStoragePolicy{COLD:2, storageTypes=[ARCHIVE], creationFallbacks=[], replicationFallbacks=[]} ... View more

please refer http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.2.0/bk_ambari_views_guide/content/_reverse_proxy_views.html ... View more

Hi Neeraj.I am mainly looking at log4j stuff. ... View more

Refer following documentation for Host Config Groups http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.2.0/bk_Ambari_Users_Guide/content/_using_host_config_groups.html ... View more

You can run smoke test script via command line to see if timeout value causing service check to fail ? (one of the possible cause) Run below command as ambari-qa user: source /usr/hdp/current/oozie-client/conf/oozie-env.sh ; /usr/hdp/current/oozie-client/bin/oozie -Doozie.auth.token.cache=false job -oozie http://localhost:11000/oozie -config /usr/hdp/current/oozie-client/doc/examples/apps/map-reduce/job.properties -run ... View more

@Andrew Watson has this been resolved? Can you accept best answer or provide your own solution? ... View more

Zeppelin Ambari service has been updated to install the updated TP Zeppelin bits for Spark 1.4.1 and 1.3.1. The update will be made for 1.5.1 this week after the TP is out Also the Magellan notebook has also been updated with documentation and to enable it to run standalone on 1.4.1 ... View more

I ran into similar issue and did what Miraj said, it works! ... View more

@terry@hortonworks.com @Madhan Neethiraj This restriction was prior to HDP 2.2.4 ... View more