Update:  I rebuilt our image and no longer see this issue.  I still don't know why we didn't see this issue with Altus 2.8 using the same image, but I'll mark as resolved since we no longer see it with the new image. ... View more

Support for CentOS 7.6 was added in Cloudera Altus Director 6.2, which released today. Altus Director does not validate the CentOS version, but CentOS 7.6 has not been tested with older Altus Director versions. ... View more

Thanks for your reply.  The following link leads me to believe that what I'm seeing is expected:   https://community.cloudera.com/t5/Advanced-Analytics-Apache-Spark/Spark-gateway-not-starting/m-p/49021 ... View more

Cloudera Manager and Cloudera Director are properties of Cloudera and does not fall under Apache License. You can check the for CM CM > Support > About  Copyright © 2011-2018 Cloudera, Inc. All rights reserved. Hadoop and the Hadoop elephant logo are trademarks of the Apache Software Foundation. For Director  Director > Help ? (icon) > About  Copyright © 2014-2018 Cloudera, Inc. All rights reserved.     ... View more

I found another post which mentioned the Crash console and cluster reconcile.   After performing the steps mentioned in that post, Clouder Director was finally synchronized with my cluster and reported the correct parcel version - afterwhich I was able to deploy addtional worker nodes. ... View more