Table 17

(Page 2 of 2). POWER Macro to JES2 Parameter Mapping

 

 

 

 

 

POWER

 

Description

JES2 Parm

Comment or

Parm

 

 

 

Recommendation

 

 

 

 

 

SECNODE

 

VSE Security ²Zone²

N/A

(Use RACF NODES class

 

 

 

 

profiles for security.)

 

 

 

 

 

SHARED

 

Shared systems and

N/A

JES2 always assumes

 

 

accounting file

 

shared systems. Accounting

 

 

 

 

files cannot be shared.

 

 

 

 

 

S N A =

 

 

TPDEF

 

wscount,

 

Max number of SNA RJE

RMTNUM

Max # of BSC and SNA

password,

 

stations

LOGON P =

Remotes

appl-id

 

VTAM ACB password

LOGON A =

Password

 

 

VTAM APPLID

 

Application ID for local JES2

 

 

 

 

 

SPLIM

 

Spool space utilization alert

SPOOLDEF

$HASP050 message issued

 

 

 

T G S P A C E =

at limit

 

 

 

( W A R N =

 

 

 

 

 

 

SPOOL

 

Support XECB spool macros

N/A

 

 

 

 

 

 

STDCARD

 

Punch card output limit

ESTPUN

Cancel job or allow based on

 

 

 

N U M =

OPT= and Exit 9

 

 

 

 

 

STDLINE

 

Print line output limit before

ESTLINE

Use ESTPAGE NUM= for

 

 

warning message 1Q52I

N U M =

page-mode output

 

 

 

 

 

SUBLIB

 

For compatibility with

N/A

 

 

 

previous releases of POWER

 

 

 

 

 

 

 

SYSID

 

System ID for shared

MASDEF

Let it default to SMFPRMxx

 

 

spooling

O W N M E M B =

SID( )

 

 

 

 

 

TIME

 

Active, idle, polling times for

MASDEF

Only use the defaults for

 

 

shared queues

H O L D =

single systems.

 

 

 

D O R M A N C Y =

 

 

 

 

 

 

TRACESZ

 

Memory reserved for TP

TRACEDEF

Memory in extended storage

 

 

traces

P A G E S =

(above 16MB)

 

 

 

T A B L E S =

 

 

 

 

 

 

XMTEXIT

 

User-written exit for output

EXIT(46)

Scan NJE Headers (not data)

 

 

to an NJE node

 

 

 

 

 

 

 

10.4.1.2 PLINE Mapping to JES2 LINE Parameters for RJE and NJE

SNA lines are defined by specifying UNIT=SNA. BSC EP or CTC lines have several options:

Chapter 10. POWER and JES2 227

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IBM OS/390 manual Pline Mapping to JES2 Line Parameters for RJE and NJE, 2 of 2. Power Macro to JES2 Parameter Mapping
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OS/390 specifications

IBM OS/390, a versatile operating system, was a cornerstone in enterprise environments and played a pivotal role in mainframe computing. Released in the mid-1990s, OS/390 combined the strengths of IBM's MVS (Multiple Virtual Storage) with new features and enhancements, targeting scalability, reliability, and performance in demanding business applications.

One of the key features of OS/390 was its robust support for multiple users and processes. The system allowed thousands of concurrent users to access applications and data, ensuring high availability and minimizing downtime—a critical requirement for many large organizations. This scalability was supported through various enhancements in memory management and processor scheduling, enabling optimal resource allocation across diverse workloads.

OS/390 was known for its superior workload management capabilities. The Workload Manager (WLM) component allowed administrators to define service policies, specifying how system resources would be allocated according to the priority of tasks. This ensured that critical business processes received the necessary resources while less critical tasks were managed more flexibly.

Another significant characteristic of OS/390 was its commitment to security. The operating system provided comprehensive security features, including user authentication, data encryption, and auditing capabilities. This focus on security was vital for organizations handling sensitive data, ensuring compliance with regulations and safeguarding against unauthorized access.

OS/390 also supported advanced technologies that facilitated integration and development. The system included features like the IBM CICS (Customer Information Control System) for transaction processing and IMS (Information Management System) for database management. These technologies allowed organizations to build robust, high-performance applications tailored to specific business needs.

The ease of network integration was another strength of OS/390. With the advent of the Internet and global connectivity, OS/390 systems could easily interface with various network protocols, enabling businesses to operate in a connected world. This inclusion paved the way for many organizations to expand their capabilities and offer new services, driving digital transformation.

In conclusion, IBM OS/390 represented a significant advancement in mainframe technology, combining scalability, security, and robust workload management. Its rich feature set and support for critical enterprise applications solidified its role as a vital component of many organizations' IT infrastructures, ensuring they could meet their operational challenges head-on while supporting future growth. As technology continues to evolve, the legacy of OS/390 remains influential in the realm of computing.
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