Messages and service system values: Message queue for lines, controllers, and devices

The Message queue for lines, controllers, and devices system value is also known as QCFGMSGQ. You can use this system value to specify the message queue that the system uses when sending messages for lines, controllers, and devices.

Quick reference
Location From IBM® Navigator for i, select Configuration and Service > System Values. Right-click on Messages and Service and click Properties, then select theGeneral tab.
Special authority System configuration (*IOSYSCFG).
Default value Message queue - QSYSOPR; Library - QSYS.
Changes take effect When you vary on the line, controller, or device description. Therefore, if you change this system value after a line, controller, or device description has been varied on, you must vary off, then vary on the configuration object to use the new value.
Lockable No.

What can I do with this system value?

You can specify the message queue that the system uses when sending messages for lines, controllers, and devices.

The message queue specified for this system value should be created with the following attributes for best overall system behavior:

Force (FORCE) *NO
Allow Alerts (ALWALR) *NO
Size (SIZE) (8,32,*NOMAX)
Wrap (MSGQFULL) *WRAP

A message queue, QSYS/QCFGMSGQ, is provided by the system with the above characteristics.

The following line description types support this system value: Token Ring, Ethernet, DDI, X.25, Frame Relay.

The following controller description types support this system value: APPC, SNA Host, Async, Local Workstation, Remote Workstation, Virtual Workstation.

The following device description types support this system value: APPC, Printer, and Cryptographic.

The shipped value is QSYS/QSYSOPR, which results in the communications messages being sent to the system operator message queue.

The message queue must exist in the system disk pool (also known as auxiliary storage pool) or in a basic user disk pool.