Required one-time preparatory actions (z/OS®)

On z/OS®, before you use the Address Space Create component services, you must follow these steps.

About this task

Before you attempt to use the Address Space Create component services, perform the following actions:

Terminate all running instances of ARSODF.
Terminate all running instances of address spaces that were started by ARSODF.
Run module ARSRASC9.
```
      //PURGE  EXEC  PGM=ARSRASC9,PARM='PURGE'
            //STEPLIB  DD  DISP=SHR,DSN=ARS.V10R5M0.SARSLOAD
```
The following Write-to-Operator message is produced upon the successful running of ARSRASC9:
```
ARS04507I ARSRASC9 PROCESSING ENDED, RC=00000000,FCN=PURGE
```
Running ARSRASC9 frees shared persistent in-memory structures. The structures are automatically reconstructed when the Address Space Create Component services are subsequently invoked by ARSODF.

Perform these actions only one time on a given z/OS system.

Failure to perform these actions results in subsequent failures that are reported by ARSODF and other ODF modules when they request the services of the Address Space Create component. The most common messages produced by ARSODF in this situation are similar to the following:

ARS04275I ARSRASCR NON-ZERO RET REASON CODE REASON CODE = 13
ARS04275I ARSRASCR NON-ZERO RET RETURN CODE RETURN CODE = 2
ARS04299S *** *** *** PROGRAM LOGIC ERROR - ABENDING ** ***