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How to Use Auxiliary Disposition

Auxiliary Disposition can be performed in either real-time or batch mode. Both modes require the use of a DD statement to reference either in-stream control statements or a data set containing the control statements. The default ddname that is supplied by CA 1 is TMSDISP. The ddname can be changed if your installation standards require the use of a different ddname.

Note: For more information about changing the DSN parameter, see the Programming Guide.

The write-to-operator (WTO) that is issued by Auxiliary Disposition contains the volume serial number that is associated with the data set being processed. The default route code of the messages is 13 but can be changed through control statement specification.

This message has the following format:

IECTMS8 dddd,vvvvvv,sss,(area),message.text
IECTMS8

Specifies the message ID.

dddd

Specifies the address of the tape device.

vvvvvv

Specifies the volume serial number.

sss

Specifies the volume sequence number.

(area)

Specifies the optional out-of-area code and, when used, is enclosed in parentheses for verification purposes.

message.text

Specifies the text that is copied from the control statement.