Abstract for z/OS Introduction and Release Guide
Summary of changes
Where to find more information
What is new in z/OS V2R1
z/OS system-level new functions to consider
z/OS Client Web Enablement Toolkit
BCP (MVS) new functions to consider
Allocation considerations
Switch (CUP) Diagnostics
SYSDSN ENQ Downgrade in JCL
Validation of processor type via D M=CONFIG
BCPii considerations
Consoles considerations
Support for the Integrated 3270 Console
Adding and removing MCS consoles
Synchronous WTOR Processing
Specifying the TCB address of a task with FORCE TCB
Generic Tracker considerations
Global Resource Serialization (GRS)
GRS FICON CTC Support
GRS ISGENQ Change Exclusive to Shared
Hardware Instrumentation Services (HIS)
IBM Health Checker for z/OS considerations
IOS considerations
zEnterprise Data Compression (zEDC)
HyperSwap sockets server
Improved z/OS Discovery and Auto Configuration (zDAC) function
Support for up to four subchannel sets
Predictive Failure Analysis considerations
Program Management (Binder) Considerations
Resource Recovery Services (RRS) considerations
Internal Cold Start
Service Aids considerations
Supervisor considerations
Supervisor multithreading support
Updating the values of system symbols dynamically
Support for transactional execution
System logger considerations
System Logger enhancements in z/OS V2R1
System REXX considerations
Console Host Command Environment
Unicode considerations
Dynamic modifications to VLF without restart
WLM considerations
WLM support for V2R1
XCF considerations
Cross-System Coupling Facility (XCF)
Capacity Provisioning new functions to consider
Common Information Model new functions to consider
Communications Server new functions to consider
Support considerations in V2R1
Security
Simplification
Availability
Application, middleware, and workload enablement
Economics and platform efficiency
Cryptographic Services new functions to consider
ICSF: AES counter mode encryption support
ICSF: CPACF RNG support
ICSF: Format preserving encryption
ICSF: KDS key archiving
ICSF: Key material validity
ICSF: New functionality in the Crypto Express5
ICSF: Support architecture for greater than 16 domains
ICSF: UDX exit support
PKI Services: Enterprise PKCS#11 secure key support
PKI Services: RFC 5280 and 4523 currency
PKI Services: Extended Validation (EV) certificate
PKI Services: Certificate administration support
System SSL: Transport Layer Security (TLS) protocol version 1.2
System SSL: Suite B Cryptography
System SSL: Enhanced DSA Support
System SSL: RFC 5280 PKIX certificate and CRL profile currency
System SSL: SAF key ring validation
System SSL: Enterprise PKCS#11 hardware security module
System SSL: gskkyman certificate creation menus refined
DFSMS new functions to consider
Advanced Copy Services enhancements
DADSM/CVAF enhancements
DFSMS catalog enhancements for z/OS V2R1
DFSMSdfp utility enhancements for z/OS V2R1
DFSMSdss enhancements for z/OS V2R1
DFSMShsm enhancements
DFSMSrmm enhancements for z/OS V2R1
Object Access Method (OAM) enhancements for z/OS V2R1
PDSE enhancements for z/OS V2R1
SMS enhancements
VSAM and VSAM RLS enhancements
DFSORT new functions to consider
64-bit support
Performance and resource usage improvements
XTIOT, uncaptured UCBs and DSAB above 16 megabytes virtual
Extended address volumes
Alphanumeric comparison tests
More PARSE fields
Repeating PARSE fields
Alphanumeric tests for PARSE fields
Insert a string at the end of variable-length records
Symbol enhancements
Improved diagnostics
Distributed File Service new functions to consider
Improved large directory performance
Enhancements to the salvager utility
Performing backup for changed aggregates
Support added for Microsoft Windows Server 2008
HCD and HCM new functions to consider
IBM Tivoli Directory Server for z/OS new functions to consider
Transport Layer Security (TLS) protocol version 1.2
Remote Cryptographic services
ICTX Plug-in
Infoprint Server new functions to consider
Dynamic configuration
SMF type 6 enhancements
System logger
Integrated Security Services new functions to consider
ISPF new functions to consider
ISPF Dialog Manager component changes
PDF component changes
JES2 new functions to consider
JES2 supports 8-character job class names
JES2 supports job modification SSI 85
JES2 supports JCL symbolics
JES2 adds in-stream data support
JES2 supports 64-bit storage requests
JES2 adds SYSOUT work selection optimization
JES2 supports new keywords on the JOB JCL statement
JES2 supports access controls on job classes
JES3 new functions to consider
JES3 expands 8-character class name support
JES3 supports system symbol updates
JES3 adds in-stream data support
JES3 supports 64-bit storage requests
JES3 supports deleting spool volumes
JES3 supports ENF 70 events
JES3 supports new keywords on the JOB JCL statement
JES3 supports access controls on job classes
JES3 supports multiple TSO/E user ID log on
Language Environment new functions to consider
Providing support for SIMD
Accessing exported JCL symbols
AMODE 64 support for large pages
Enterprise COBOL V5.1 support
Converting between multibyte characters and specified Unicode characters
Added support for exposing memory overlays that cause heap damage
Nested CEEPIPI environments
Accessing data by blocks instead of bytes or records
Removal of runtime option usermods
Additional file I/O programming interfaces for z/OS UNIX System Services
Updates made for C11 compliance
Converting multibyte Unicode encoded data to wide character data
Library Server new functions to consider
Metal C Runtime Library new functions to consider
Support for alternative name for function "main"
Support for mixed mode IPA
NFS new functions to consider
AMODE64 or LP64
RMF new functions to consider
Run-Time Library Extensions new functions to consider
SDSF new functions to consider
64-bit addressing
Enhanced support for browsing with REXX and Java
Sort on up to 10 columns
Symbols in filtering
Long job class names
Trace SDSF security
Print using source attributes, carriage control and other enhancements
Console name modification
Display of duplicate data sets
Security Server (RACF) new functions to consider
Database unload of certificate DNs
Restricting access to a zFS file system
Remove BPX.DEFAULT.USER Profile
Reporting certificates in the chain when added and listed
Enterprise PKCS#11 secure key support
RACF Remote sharing enhancements
RACDCERT enhancement
Health check for digital certificate expiration
RACF support for DB2 V11
ServerPac new functions to consider
ServerPac supports ordering products without a full system or subsystem
Secure FTP
RACF enhancements
SMP/E new functions to consider
Support for SMP/E ISPF dialog split screen
TSO/E new functions to consider
TSO/E REXX enhancements to EXECIO, LISTDSI, and STORAGE functions and new MVSVAR variable
TSO/E TMP supports PARMDD keyword of the JCL EXEC statement passing a parameter string greater than 100 characters long to TMP
XL C/C++ new functions to consider
Automonitor type support for XL C/C++ applications
Changes to default ARCH and TUNE level
Changes to the SUPPRESS compiler option
Name change of the OBJECTMODEL(COMPAT) compiler option
New debug information format
Support for debugging optimized code
Support for new hardware built-in functions
Support for parallel programming
XL C/C++ compiler option INCLUDE is introduced
XL C/C++ compiler option LANGLVL has new suboptions
XL C/C++ compiler option SMP is introduced
XL C/C++ compiler option SYSSTATE is introduced
XL C/C++ compiler option THREADED is introduced
z/OS UNIX System Services new functions to consider
Debugging vector registers
Added dbx support of vector-enabled programs
Additional support for conversion of text files
Debugging production-level code
Enhancements to the automount facility
Expanded number of shared condition variables and mutexes
Full support added for conversion between code pages
Increased number of supported pipes
More accurate access counts in a new SMF record
Running tagged shell scripts in different SBCS locales
Simplified management of TFS file systems
Using the _login() service without specifying a password
z/OS elements and features
z/OS base elements
z/OS optional features
z/OS base elements descriptions
Alternate Library for REXX
BCP (Base Control Program)
BookManager READ
BDT (Bulk Data Transfer)
Common Information Model (CIM)
Communications Server
Cryptographic Services
Distributed File Service
DFSMSdfp
Environmental Record Editing and Printing Program (EREP)
ESCON Director Support
FFST/MVS (First Failure Support Technology/MVS)
GDDM (includes PCLK and OS/2 LINK)
HCD (Hardware Configuration Definition)
HLASM (High Level Assembler)
IBM HTTP Server
IBM Tivoli Directory Server for z/OS (IBM TDS for z/OS)
ICKDSF (Device Support Facility)
Integrated Security Services
ISPF
JES2
Language Environment
Library Server
MICR/OCR
Metal C Runtime Library
Network File System (NFS)
Open Systems Adapter Support Facility (OSA/SF)
Run-Time Library Extensions
SMP/E
Time Sharing Option/Extensions (TSO/E)
Terminal Input Output Controller (TIOC)
z/OS Font Collection
z/OS UNIX System Services (X/Open UNIX 95 functions)
3270 PC File Transfer Program
z/OS optional features descriptions
BookManager BUILD
Bulk Data Transfer (BDT) File-to-File
Bulk Data Transfer (BDT) SNA NJE
Communications Server Security Level 3
DFSMS Features (DFSMSdss, DFSMShsm, DFSMSrmm, and DFSMStvs)
DFSORT
GDDM-PGF
GDDM-REXX
Hardware Configuration Manager (HCM)
High Level Assembler Toolkit
Infoprint Server
JES3
RMF (Resource Measurement Facility)
SDSF (System Display and Search Facility)
Security Server
XL C/C++
z/OS Security Level 3