Hello, You will find compatible OS with your CM server in the following link: https://docs.cloudera.com/documentation/enterprise/release-notes/topics/rn_consolidated_pcm.html#c516_supported_os For CM 5.X the following ubuntu are supported. 16.04 LTS (Xenial) 14.04 LTS (Trusty) Per the screenshot you are using "CDH 7.1.6", by the other hand the error you see is for the parcel "CDH5, which is not compatible with "Ubuntu Bionic" you can safely remove these parcels from the parcels options. ... View more

@intelia_liem this error generally occurs when you request go to standby namenode and is generally not a cause of concern in HA setup. However if your job fails, please review the distcp command and use nameservice or active namenode for the requests.   Hope this helps, Paras Was your question answered? Make sure to mark the answer as the accepted solution. If you find a reply useful, say thanks by clicking on the thumbs up button. ... View more

@vamsi_redd heres a screenshot of my parcels page ... View more