services which are maintenance mode in HDPCA exam

[#1]

I had attemp HDPCA practice environment (Hortonworks HDPCAdministrator_2.3 PracticeExam_v3) in AWS. When i completed all the tasks, i found some of the services are in maintenanece mode, which are not able to start. Shall we keep these servers in maintenence mode without attempting starting/troubleshooting? Does this task consider to be fail? Please suggest. Sri

[#2 · Accepted solution]

Hello, Sri.

Normally the service should not be in maintenance mode if there are tasks that need to be completed on that service (like HDFS, YARN, HIVE, etc). If you have configuration/troubleshooting tasks around that service, you should be able to complete that task and restart the service in non-maintenance mode to ensure that the changes you made are working. If the service does not start properly because of a configuration issue, then the task will be wrong. So, as a norm, make sure the service is able to run in non-maintenance mode.

Hope that this helps