System jobs

System jobs are created by the operating system to control system resources and perform system functions. System jobs run when the iSeries™ 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
  The following is a list of database jobs.
• Other system jobs
  This article contains is a list of other kinds of system jobs.