This topic contains a list of system communication
jobs.
- Qlus (logical unit services)
- Qlus handles the event handling for logical unit devices, known as communication
devices. Qlus is also responsible for allocating devices to the correct communications
subsystem.
- Qcmnarbxx (communication arbiters)
- The communications arbiters with Qsysarb (system arbiter) and Qtaparb
(tape arbiter) process work for all types of devices, not just communication
devices. This work includes communications connection, disconnection, device
locking, and error recovery processing. At restart, the system value communication
arbiter jobs (QCMNARB) determines the number of communications arbiter jobs
that are started. A minimum of three communications arbiters are started on
single-processor systems.
- Qsyscomm1 (system communications)
- This job handles some communications and input/output (I/O) activity.
- Q400filsvr (remote file system communication)
- This job performs the common programming interface communications (APPN
or APPC) for these remote file systems.