Logical Unit Manipulation Subprograms

The following Subprograms are available for the reservation and manipulation of Logical Unit Numbers:-

UI_INPUT_LUN ) Specify new Logical Unit UIINLU ) for Input

UI_OUTPUT_LUN ) Specify new Logical Unit UIOULU ) for Output

UI_RESERVE_LUN ) Reserve specific Logical UIRVLU ) Unit No.

UI_GET_LUN ) Get Free Logical Unit No. UIGTLU ) from free pool

UI_FREE_LUN ) Free Logical Unit No. UIFRLU ) (return to free pool).

UI_TEST_TERMINAL ) Test Logical Unit UITSTT ) for Terminal Device

• Specify a new Logical Unit for Input
• Specify a new Logical Unit for Output
• Reserve specific Logical Unit Number
• Get a Free Logical Unit No
• Free a Logical Unit Number
• Test Logical Unit for Terminal Device