z/OS

Summary of Message and InterfaceChangesVersion 2 Release 3

SA23-2300-30

IBM

NoteBefore using this information and the product it supports, read the information in Notices on page 445.

This edition applies to Version 2 Release 3 of z/OS (5650-ZOS) and to all subsequent releases and modificationsuntil otherwise indicated in new editions.

Last updated: March 27, 2018

Copyright IBM Corporation 1997, 2018.US Government Users Restricted Rights Use, duplication or disclosure restricted by GSA ADP Schedule Contractwith IBM Corp.

Contents

Tables . . . . . . . . . . . . . . . xi

Abstract for z/OS Summary ofMessage and Interface Changes . . . xvii

How to send your comments to IBM xixIf you have a technical problem . . . . . . . xix

Summary of changes . . . . . . . . xxi

Part 1. Interface changes for z/OSV2R3. . . . . . . . . . . . . . . . 1

Chapter 1. System level interfaces forz/OS V2R3. . . . . . . . . . . . . . 3Message and code changes for z/OS V2R3 . . . . 3

BCP (MVS) and DFSMS messages and codeschanges for z/OS V2R3. . . . . . . . . . 4Common Information Model (CIM) messagechanges for z/OS V2R3 . . . . . . . . . 23Communications Server message changes forz/OS V2R3 . . . . . . . . . . . . . 24Cryptographic Services ICSF message changes forz/OS V2R3 . . . . . . . . . . . . . 25Cryptographic Services PKI Services messagechanges for z/OS V2R3 . . . . . . . . . 26DFSORT message changes for z/OS V2R3 . . . 27Distributed File System message changes forz/OS V2R3 . . . . . . . . . . . . . 27Hardware Configuration Definition (HCD)message changes for z/OS V2R3 . . . . . . 32IBM Tivoli Directory Server (TDS) messagechanges for z/OS V2R3 . . . . . . . . . 34Device Support Facilities (ICKDSF) messagechanges for z/OS V2R3 . . . . . . . . . 34Infoprint Server message changes for z/OS V2R3 34Integrated Security Services NetworkAuthentication Service message changes for z/OSV2R3 . . . . . . . . . . . . . . . 35ISPF message changes for z/OS V2R3 . . . . 36JES2 message changes for z/OS V2R3 . . . . 37JES3 message changes for z/OS V2R3 . . . . 39Language Environment message changes forz/OS V2R3 . . . . . . . . . . . . . 39Network File System (NFS) message changes forz/OS V2R3 . . . . . . . . . . . . . 42OpenSSH message changes for z/OS V2R3 . . . 43Resource Measurement Facility (RMF) messagechanges for z/OS V2R3 . . . . . . . . . 43System Display and Search Facility (SDSF)message changes for z/OS V2R3 . . . . . . 43Security Server RACF message changes for z/OSV2R3 . . . . . . . . . . . . . . . 44

SMP/E V3R6 message changes for z/OS V2R3 45TSO/E message changes for z/OS V2R3. . . . 46XL C/C++ message changes for z/OS V2R3 . . 46z/OS UNIX message changes for z/OS V2R3 . . 46z/OS Management Facility (z/OSMF) messagechanges for z/OS V2R3 . . . . . . . . . 48

New and changed System Management Facilities(SMF) records for z/OS V2R3 . . . . . . . . 49New and changed members in SYS1.MACLIB forz/OS V2R3 . . . . . . . . . . . . . . 61New and changed SYS1.PARMLIB members forz/OS V2R3 . . . . . . . . . . . . . . 62New and changed SYS1.PROCLIB andSYS1.IBM.PROCLIB members for z/OS V2R3 . . . 63New and changed SYS1.SAMPLIB members forz/OS V2R3 . . . . . . . . . . . . . . 63

Chapter 2. Base Control Program (BCPor MVS) interface changes for z/OSV2R3 . . . . . . . . . . . . . . . 65Callable services for high-level languages . . . . 65Control Blocks . . . . . . . . . . . . . 65Installation Exits. . . . . . . . . . . . . 66IPCS subcommands . . . . . . . . . . . 66JCL parameters . . . . . . . . . . . . . 66Messages . . . . . . . . . . . . . . . 67MVS (BCP) system commands . . . . . . . . 68REXX execs . . . . . . . . . . . . . . 69Services and macros . . . . . . . . . . . 69SMF records . . . . . . . . . . . . . . 71

Chapter 3. Common Information Model(CIM) interface changes for z/OS V2R3 . 73APIs. . . . . . . . . . . . . . . . . 73Classes . . . . . . . . . . . . . . . . 73Configuration options . . . . . . . . . . . 73Environment variables. . . . . . . . . . . 73Jobs . . . . . . . . . . . . . . . . . 73

Chapter 4. Communications Serverinterface changes for z/OS V2R3 . . . 75Communications Server IP interface changes . . . 75

PROFILE.TCPIP configuration file . . . . . . 76Configuration files . . . . . . . . . . . 79RACF interfaces . . . . . . . . . . . . 80Operator commands . . . . . . . . . . 81TSO commands . . . . . . . . . . . . 84z/OS UNIX commands . . . . . . . . . 87Application programming interfaces and networkmanagement interfaces . . . . . . . . . 90

Environment variables. . . . . . . . . . . 96Socket APIs . . . . . . . . . . . . . . 96

General updates of socket APIs . . . . . . . 97IPCS subcommands . . . . . . . . . . . 97

Copyright IBM Corp. 1997, 2018 iii

CTRACE COMP(SYSTCPDA) subcommand . . 97CTRACE COMP(SYSTCPIS) subcommand . . . 97CTRACE COMP(SYSTCPOT) subcommand. . . 98CTRACE COMP(SYSTCPRE) subcommand . . . 98TCPIPCS subcommand . . . . . . . . . 98General updates to IPCS subcommands . . . . 98

SNMP MIB modules . . . . . . . . . . . 98User exits . . . . . . . . . . . . . . . 99Application data. . . . . . . . . . . . . 99FTP client error codes . . . . . . . . . . . 99SMF record type 119 enhancements . . . . . . 99z/OS UNIX /etc files. . . . . . . . . . . 100General updates of IP interfaces . . . . . . . 100Samples provided in MVS data set SEZAINST . . 100Samples provided in z/OS UNIX TCPIP directory 101Communications Server SNA interface changes . . 101

Start options. . . . . . . . . . . . . 101Start option behavior changes . . . . . . . 101Definition statements . . . . . . . . . . 102Commands . . . . . . . . . . . . . 102Command behavior changes . . . . . . . 103VTAM internal trace entries . . . . . . . 104VTAMMAP Formatted Dump changes . . . . 105Tuning statistics reports . . . . . . . . . 106

Chapter 5. Cryptographic Servicesinterface changes for z/OS V2R3 . . . 107ICSF interface changes . . . . . . . . . . 107PKI Services interface changes. . . . . . . . 107

Code samples . . . . . . . . . . . . 108Internet protocol standards . . . . . . . . 109Sample forms . . . . . . . . . . . . 109Substitution variables. . . . . . . . . . 109Utilities . . . . . . . . . . . . . . 109RACF security classes . . . . . . . . . 110Web pages . . . . . . . . . . . . . 110

System SSL interface changes . . . . . . . . 110SSL/TLS APIs . . . . . . . . . . . . 111Certificate Management Services (CMS) APIs 111Messages and codes . . . . . . . . . . 111Environment variables . . . . . . . . . 112gskkyman command . . . . . . . . . . 113

Chapter 6. DFSMS interface changesfor z/OS V2R3 . . . . . . . . . . . 115DFSMSdfp interface changes . . . . . . . . 115

Access method services . . . . . . . . . 115APIs . . . . . . . . . . . . . . . 116Callable services . . . . . . . . . . . 116Commands . . . . . . . . . . . . . 116Data areas . . . . . . . . . . . . . 116Exits and mapping macros . . . . . . . . 116ISMF panels . . . . . . . . . . . . . 117Macros . . . . . . . . . . . . . . 117NaviQuest panels . . . . . . . . . . . 118Programming interfaces . . . . . . . . . 118RACF commands and FACILITY class profiles 118SMF and LOGREC records . . . . . . . . 118SMS ACS read-only variables . . . . . . . 118SMS Constructs. . . . . . . . . . . . 118

SYS1.NUCLEUS members . . . . . . . . 119TSO/E commands for Advanced Copy Services 119Utilities . . . . . . . . . . . . . . 119

DFSMSdss interface changes . . . . . . . . 119APIs . . . . . . . . . . . . . . . 119Commands . . . . . . . . . . . . . 119Data areas . . . . . . . . . . . . . 120EXEC PARM values . . . . . . . . . . 120Exits . . . . . . . . . . . . . . . 120ISMF panels . . . . . . . . . . . . . 120RACF FACILITY class profiles . . . . . . . 120

DFSMShsm interface changes . . . . . . . . 121Commands . . . . . . . . . . . . . 121Data areas . . . . . . . . . . . . . 122Event codes . . . . . . . . . . . . . 122Exits . . . . . . . . . . . . . . . 122Macros . . . . . . . . . . . . . . 122RACF FACILITY class profiles . . . . . . . 122

DFSMSrmm interface changes for z/OS V2R3 . . 123Commands . . . . . . . . . . . . . 123Data areas . . . . . . . . . . . . . 123ISPF panels . . . . . . . . . . . . . 124REXX variables . . . . . . . . . . . . 124Structured field introducers . . . . . . . 125

Chapter 7. DFSORT interface changes 129

Chapter 8. Distributed File Serviceinterface changes for z/OS V2R3 . . . 131zFS . . . . . . . . . . . . . . . . . 131

zFS APIs . . . . . . . . . . . . . . 131zFS commands . . . . . . . . . . . . 132zFS system commands . . . . . . . . . 133zFS data sets . . . . . . . . . . . . 134

SMB . . . . . . . . . . . . . . . . 134SMB commands . . . . . . . . . . . 134SMB system commands . . . . . . . . . 134SMB environment variables . . . . . . . 135SMB operating system support . . . . . . 135

Chapter 9. IBM Tivoli Directory Server(TDS) interface changes . . . . . . . 137Configuration options . . . . . . . . . . 137Utilities . . . . . . . . . . . . . . . 138Client application programming routines . . . . 139Environment variables . . . . . . . . . . 139

Chapter 10. ICKDSF interface changes 141

Chapter 11. Infoprint Server interfacechanges . . . . . . . . . . . . . 143Application programming interface . . . . . . 143Configuration files. . . . . . . . . . . . 143Environment variables . . . . . . . . . . 143Exits . . . . . . . . . . . . . . . . 143Filters . . . . . . . . . . . . . . . . 143Infoprint Central . . . . . . . . . . . . 144ISPF panels . . . . . . . . . . . . . . 145JCL parameters . . . . . . . . . . . . . 145

iv z/OS Summary of Message and Interface Changes

Job attributes . . . . . . . . . . . . . 145Printer Inventory attributes. . . . . . . . . 146RACF profiles . . . . . . . . . . . . . 146SMF type 6 record for IP