INITIAL IACMODE - Teradata Director Program

Purpose

Changes the mode of communication between TDP and an application program.

Syntax

where:

SVC

Specification that the communication mode be a supervisor call (SVC).

This option is valid only in the z/OS environment, and is equivalent to the old option, CSA.

nnn

Number of the SVC to be used.

Legal values range from 200 through 255. The value selected must not be currently defined to the rating system. If a value is not specified, 245 is used.

DYNAMIC

Indication that the SVC is to be installed into z/OS by TDP when started, and removed by TDP upon stopping.

If DYNAMIC is not specified, the SVC must be installed before starting TDP. See Teradata® Tools and Utilities for IBM z/OS Installation Guide (B035-3128).

PC

Specification that the communication mode be a program call (PC).

This option is only valid in the z/OS environment, where it is the default. It is equivalent to the old option, XMS.

Usage Notes

The DYNAMIC option must not be specified if multiple TDPs are to use the same SVC number. If DYNAMIC is specified, the first TDP to be stopped removes the SVC from the system, making it unavailable for the other TDPs.

When the database uses more than one version of the TRDTMAS (z/OS) or TRDTHAS (VOS3), each version is identified by a unique SVC number, nnn.