You start the Scheduler. You have to start the Scheduler to be able to execute scheduled DBM commands.
The Scheduler runs until you stop it with the scheduler_stop command.
Transferring the database instance to the OFFLINE operational state does not stop the Scheduler.
Concepts of the Database System, Automating Administration Tasks
You have the server authorization SchedulerMgm.
Call the Database Manager CLI, log on as operator OLEG with password MONDAY, connect to the database instance DEMODB, start the Scheduler for this database instance:
>dbmcli -u OLEG,MONDAY -d DEMODB scheduler_start