We are evaluating a 2 node cluster setup using CentOS 7. We used the default items for all install options and setup the passwords for each application as needed. Install went about as well as one would expect with a new tech for a user.
We see both nodes and everything is green on the dashboard. However, I am unable to load any files via Views -> Files. I am still using the default Ambari admin user. When I click to access HDFS files view I get:
500 User: root is not allowed to impersonate admin
At no time did I set up any hadoop users as the documentation states that it does that for us during install (http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.1.0/bk_Installing_HDP_AMB/content/_set_up_service_user_accounts.html).
I checked the base OS and see that there is only one group setup:
root
However, on that same linked document it has a link on how to set up custom users/groups. In that link it shows different users/groups for different applications – none of which are “root”.
How to correct this? Right now we have a shiny 2 node cluster of empty hard drives as we are unable to load any data.