You might be experiencing this: https://issues.apache.org/jira/browse/AMBARI-13254
Looks like fix is going to be Ambari 2.1.3 when that becomes available. But is in Ambari 2.1.2.1 patch release now: http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.2.1/bk_releasenotes_ambari_2.1.2.1/content/ambari_relnotes-2.1.2.1-patch-information.html From: Shaik M <[email protected]<mailto:[email protected]>> Reply-To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Date: Tuesday, November 10, 2015 at 11:22 PM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: DataNode and NodeManager showing wrong host in Hosts Hi, I have recently upgraded Ambari 1.7 to 2.1.2 and HDP 2.2 to 2.3. When I click on HDFS -> DataNodes in Ambari, it showing wrong hosts of DataNodes. And same I filtered from Hosts tab, Components Filter same result I am getting. I have verified each individual node and its services, all services are present as per deployment. Please help us to debug this issue. Regards, Shaik
