The Change Device Description (Optical) (CHGDEVOPT) command changes the device description for an optical device.

Parameters

Keyword	Description	Choices	Notes
DEVD	Device description	Name	Required, Key, Positional 1
RSRCNAME	Resource name	Name, *SAME, *NONE, *VRT	Optional
ONLINE	Online at IPL	*SAME, *YES, *NO	Optional
MSGQ	Message queue	Single values: *SAME, *SYSOPR Other values: Qualified object name	Optional
	Qualifier 1: Message queue	Name
	Qualifier 2: Library	Name, *LIBL, *CURLIB
TEXT	Text 'description'	Character value, *SAME, *BLANK	Optional

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Device description (DEVD)

Specifies the name of the device description being changed.

This is a required parameter.

Resource name (RSRCNAME)

Specifies the resource name that identifies the hardware that the description represents.

*SAME

The value does not change.

*NONE

No resource name is specified. A resource name must be provided before the device can be varied on.

*VRT

The resource name will be generated by the operating system at the time the device description is modified. The resource name will represent virtual (not physical) hardware.

resource-name

Specify the name that identifies the optical device hardware on the system.

Note: Use the Work with Hardware Resources (WRKHDWRSC) command with TYPE(*STG) specified to determine the resource name.

Online at IPL (ONLINE)

Specifies whether this object is automatically varied on at initial program load (IPL).

*SAME

The value does not change.

*YES

This device is varied on automatically at IPL.

*NO

This device is not varied on automatically at IPL.

Message queue (MSGQ)

Specifies the message queue to which operational messages for this device are sent.

The possible qualified names are:

*SAME

The value does not change.

*SYSOPR

Messages are sent to the QSYSOPR message queue in QSYS.

message-queue-name

Specify the name of the message queue to which operational messages are sent.

Qualifier 2: Library

*LIBL

All libraries in the job's library list are searched until the first match is found.

*CURLIB

The current library for the job is searched. If no library is specified as the current library for the job, the QGPL library is used.

library-name

Specify the name of the library to be searched.

Text 'description' (TEXT)

*SAME

The text (if any) does not change.

*BLANK

No text is specified.

character-value

Specify no more than 50 characters of text, enclosed in apostrophes.

Examples

CHGDEVOPT   DEVD(OPT01)  ONLINE(*YES)

This command changes the device description of an optical device that is named OPT01 so that the device is automatically varied on at IPL.

Error messages

*ESCAPE Messages

CPF2618

Device description &1 not changed.