System jobs

 

System jobs are created by the operating system to control system resources and perform system functions. System jobs run when the server starts or when an independent disk pool is varied on. These jobs perform a variety of tasks from starting the operating system, to starting and ending subsystems, to scheduling jobs.

• System startup jobs
  Startup jobs are system jobs that run at IPL. They handle the tasks that get the operating system environment up and ready for work. The following is a list of the various system startup jobs.

• System arbiters
  The system arbiters (QSYSARB and QSYSARB2 through QSYSARB5), started by an SCPF system job, provide the environment for the running of high-priority functions. They allow subsystems to start and end and keep track of the state of the system (for example, a restricted state).

• System communication jobs
  This topic contains a list of system communication jobs.

• Database jobs
  This information contains a list of database jobs.

• Other system jobs
  This information contains is a list of other kinds of system jobs.

 

Parent topic:

Job types

Related concepts
Autostart jobs Batch jobs Communication jobs Interactive jobs Prestart jobs Reader and writer jobs Server jobs