Configuration components

Figure 3: Extract from a configuration (SUs /390)

Interfaces for administering the configuration

Command	Meaning
ADD-IO-UNIT	Dynamically add new I/O unit 1
ATTACH-DEVICE	Attach a hardware unit locally for channels and controllers or globally in VM2000
DETACH-DEVICE	Detach a hardware unit locally for channels and controllers or globally in VM2000
INCLUDE-DEVICE-CONNECTION	Include a logical connection locally or globally in VM2000
MODIFY-IO-OPTIONS	Modify FastDPAV settings Modify timeout settings 2
MODIFY-IO-UNIT	Modify a controller’s path description 1 Modify a device’s preferred path 1 Define the preferred PAV device Modify timeout settings 2
REMOVE-DEVICE-CONNECTION	Remove a logical connection locally or globally in VM2000
REMOVE-IO-UNIT	Dynamically remove I/O unit 1
SECURE-RESOURCE-ALLOCATION	Request resources
SHOW-DEVICE-CONFIGURATION	Display the input/output configuration
START-CONFIGURATION-UPDATE	Start dynamic I/O configuration modification
STOP-CONFIGURATION-UPDATE	Stop dynamic I/O configuration modification, Save the current IORSF
UNLOCK-DEVICE	Reset hardware reservation
Macro	Meaning
NKDINF	Information on the allocation and availability state of the (peripheral) configuration

Table 9: Overview of interfaces for administering the configuration

¹ These functions are only available if a dynamic I/O configuration change has been initiated on SU /390.

² This function is also available outside of a dynamic reconfiguration independently of the architecture of the Server Unit.