I installed cloudera manager 5.12.0 successfully . But when I try to add hdfs service, I got following error message :
failed to create tmp directory . But it was installed. Then try to restart cluster. But if failed to start again . It says no data node role are associated with hdfs . At least one node is required. Could anyone please tell me why I am getting error message like this ? How to solve the problem.
I am using centos 7.
Thanks
