z/os what's new and why upgrade from os/390 · z/os what's new and why upgrade from...

z/OS what's new and why upgrade from OS/390

Lightyear Consulting Ltd.Palo Alto, Calgary, Scottsdale, Laguna Beach, Austin

Tel: 1-800-989-6060www.lightyr.com

L I G H T Y E A R

BusinessPartner

Brian LeeSenior [email protected]

August 13, 2003

Agenda

z/OS - Meeting Today's Demands

Importance of z/OS concurrency

z/OS features

Pricing options

z990 z/OS support

z/OS 1.5 and 1.6 preview

Migration strategy

Appendix

Techtalk z/OS What's new and why upgrade from OS/390 Aug 13, 2003

Brian Lee Lightyear Consulting 1-2

z/OS - Meeting Today's Demands

Self-OptimizingDynamic resource balancing with Intelligent Resource Director (IRD)Dynamic transaction management for WebSphere® workloads

Self-ConfiguringSimplified with best-practices definitions: msys for Setup and Wizards

Self-HealingHelp with outage avoidance with msys for OperationsSystem-Managed CF Duplexing

Performance and Scale64-bit support for real and virtual storage for workloads with large memory requirements

IP Networking and Security HiperSockets™ for fast and highly secure inter-partition communicationsIPv6 supportAdvanced cryptography support for industry-leading SSL performanceLarge scale Digital Certificate management (PKI Services)

Application flexibilityOpen standards support: Java™ SDK, XML, C++Robust UNIX® file system with significant performance and availability improvements (zFile System)

Flexible pricing options Sub-capacity pricing for z/OS, middleware and tools with Workload License Charges

Transition to Predictable Annual Releases

Transition begins

New functions

z/OS R3

z/OS R4

z/OS R5

z/OS R2

EIM available via SPE

DFSMS enhancements planned as SPEs

Console Enhancement Feature planned to begin availability in 4Q03

ALS3 planned for z/OS R6 in 9/04

9/02

1Q04

9/04

9/05

3/02

ALS3z/OS R6



The importance of z/OS currencyEnhancements in new releases

Improved e-business security & networkingPerformance, availability, connectivityEase of useFocus on quality

Support for new releases of middleware DB2 V8 requires z/OS 1.3 and zSeriesDomino V6 requires z/OS 1.2JAVA SDK 1.4.1 requires z/OS 1.2

SW pricing flexibilityWLC with subcapacity pricingzELC pricing and z/OS.e on z/800

Exploitation of zSeries servers z/OS 1.4 is the base for z990 support

Continued IBM supportOS/390 2.9 end of service March 03 OS/390 2.10 end of service planned for Sept. 04

Server

Applications

Middleware

Operating System

The base for exploiting future zSeries hardware enhancementsThe last release of z/OS that OS/390 2.10 customers can migrate to in a single

step!

z/OS 1.4

64-bit Virtual Storage:Applications and middleware can store and manipulate data above 2GB Dominant programming model in the future

Importance of 64-bit Virtual Storage:Enhanced data caching (performance)Relieve virtual storage constraint (scale)16 Exabytes of virtual storage

z/OS 64-bit Virtual Storage Roadmap: Assembler support in z/OS 1.2 Future releases will complete the 64-bit virtual requirements for USS, C++, Java ...

IBM plans to deliver DB2 64-bit virtual exploitation in DB2 V8

Software AG announced Adabase is using 64-bit virtual storage for its cache

z/OS: 64-bit Virtual Storage

0

231

264

Below 2GB

User private area

64-bit address space memory map

Bar

~~ ~~

224 Line



z/OS: Intelligent Resource Director

Directing system resources to the priority work

LPAR CPU managementLPAR Clusterz/OS and non-z/OS images

Dynamic channel path managementChannel subsystem priority queuingIntegration of

PR/SMWLMChannel subsystemParallel Sysplex technology

Based on business goals

IP networking among virtual servers in a zSeries ServersImproved response time due to low latencyHighly secureHighly availableCost savings FlexibleSimple to install, operate, maintain

Fast data movement betwen LPARsUp to 1024 devices across up to four HipersocketsUp to 4,000 IP addressesSimilar to cross-address-space memory moveDoes not use CPU cache, thus no effect on other activity

Both 64 bit and 31 bit OS imagesNo physical cablingMinimum pre-requisitesz/OS 1.2, Linux kernel 2.4, z/VM 4.2z900 microcode

HiperSockets - The Network in the Box

z/OS z/OS.e

z800

HiperSockets A

Linux Linux

HiperSockets B

z990/z900/z800

Linux z/OSz/OS

HiperSockets C

z/VM

z/OS



Self Optimizing enhancements delivered in z/OS 1.4

Improve Parallel Sysplex performance by rebalancing batch initiators according to "current" image capacity

WLM can re-distribute initiators over Sysplex members

"Move" initiators to images with capacity, by More aggressively reducing them on constrained systems

Starting new ones on low usage systems

Check for potential rebalancing every 10 seconds

SYS1 SYS2

select select

Batch Queue

free capacity free capacity

Initiator Initiator

Batch Workload Balancing

Self Configuring enhancements delivered in z/OS 1.4

Usability enhancements based on customer feedback and usability tests

Multiple User Support

Improved User Interface

National Language Support

Job Progress Indication

much more....

New msys for Setup functionality



Improved deploymentPlanningConfiguration

Lower skill level needed

Help reduce time

Improved customer satisfaction

User-Centered DesignStep-by-step Q/A process Best practice defaultsWeb-based

z/OS and OS/390 Planning Wizard for e-business z/OS Installation Planning Wizardz/OS UNIX Customization Wizard Parallel Sysplex Customization WizardBase Sysplex Customization Wizardz/OS SDSF Customization Wizardz/OS IP Configuration Wizardz/OS msys for Operations Customization Wizardz/OS DFSMSrmm™ Customization Wizardz/OS DFSMS Migration Planning WizardIBM ~ Security Plannerz/OS Intelligent Resource Director Planning Wizard

ibm.com/servers/eserver/zseries/zos/wizards/

New in 2002

Configuration help on Web

Networking enhancements delivered in z/OS 1.4

Sysplex enablementSysplex-Wide Source VIPASysplex Distributor and IPSecVIPA takeover and IPSec

IPV6 SupportDual Mode TCP/IP stack (IPv4 and IPv6)ftp, otelnetd, rexec, rshd

Simple Network Time Protocol Enable synchronization of clocks between various platforms in a network

TN3270E Server enhancements Support for Transport Layer Security (TLS)

Target Hosts

Network

COUPLINGFACILITY

SOCKETS

TASK 1TASK 2

TASK 3TASK 4

UNIX SERVICES

TCPIP

SOCKETS

TASK 1 TASK 2

TASK 3TASK 4

UNIX SERVICES

TCPIP

SOCKETS

TASK 1TASK 2

TASK 3TASK 4

UNIX SERVICES

TCPIP

SOCKETS

TASK 1 TASK

2

TASK 3TASK 4

UNIX SERVICES

TCPIP

SOCKETS

TASK 1 TASK 2TASK 3TASK 4

UNIX SERVICES

TCPIP

SOCKETS

TASK 1TASK 2TASK 3

TASK 4

UNIX SERVICES

TCPIP

Security Association

Distributor Host

Distributed Connection

Key 1

Key 1

Key 1

Key 1

Switch Switch

OSA-ExpressOSA-Express

Backup Host



---------------------------------------------------------------------------------------------------------------------OS/390 2.10 ESA/390 ESA/390 or

z/Architecture (including 64-bit)---------------------------------------------------------------------------------------------------------------------z/OS 1.1 - 1.5 ESA/390 z/Architecture---------------------------------------------------------------------------------------------------------------------z/OS.e 1.3 - 1.5 z/Architecture (z800 only)---------------------------------------------------------------------------------------------------------------------z/OS 9/04 release z/Architecture---------------------------------------------------------------------------------------------------------------------z/OS.e 9/04 release z/Architecture (z800 only)---------------------------------------------------------------------------------------------------------------------

G5/G6 MP3000 z990/z900 z800

OS/390 and z/OS Supported Environments

G5/G6 MP3000

z/OS base element introduced with z/OS 1.2 Increase availability of systems and applications

Improve system recoverabilityHelp reduce outages due to operations errors

Decrease total cost of ownershipHelp reduce operational complexityGreater operational awareness

Manage System ResourcesCFs, Systems, Consoles, ETRs, CDSs, AUX Shortages, SVCDumps, SLIPs, Critical Messages, Hung Processes

New enhancement to z/OS msys for Ops capabilityHealth Checker prototype

Designed to provide a way to assist installations in implementing best practices to avoid outages

Self Healing...z/OS msys for Operations



Avoid Outages by Implementing Best Practices

msys for Ops

Self-Healing: Automation in the base Reducing Operator ComplexityIncreasing Operational AwarenessReacting Faster to Complicated Recovery Situations

New in z/OSAvailable via the web on OS/390 2.10

Causes of UnplannedApplication Downtime

20%

40%40%

TechnologyFailuresOperator

Errors

ApplicationFailures

Simplify

Detect

Recover

Gartner Results

Healthchecker for z/OS and Sysplex

Best Practices Tool Checks settingsCompares against Best PracticesNotifies when exceptions found

No charge toolAvailable via the web since 1/03 Over 500 downloads already!

z/OS Healthchecker & msys for Ops

zOSPG0380

Designed to provide consistent recovery mechanismBasic recovery for structures that have no other means to recover data May eliminate the need for standalone CF Faster recovery of structures by having the data already in the second CF

Available now via Resource link (ibm.com/servers/resourcelink)

Planned ExploitersCICS® Shared TS, CF data tables, named counterComm Server GR, MNPS (VTAM®), SWSA, SysplexPortsDB2 SCADFSMS VSAM RLS locks, HSM Common Recall Queue IMS ™ CQS, EMH, VSO structures IRLM Lock (DB2 and IMS) JES2 CheckpointMQ Shared queuesWLM Shared enclaves, LPAR clusters (IRD) BatchPipes®

System Logger

Available for z/OS 1.2, 1.3, and 1.4 Technical paper (GM13-0103-03) Available at ibm.com/server/eserver/zSeries/pso

A robust failure recovery capability

System-Managed CF Structure Duplexing

ICF z/OSz/OS ICF

z800/z900/z9xx/G5/G6 z800/z900/z9xx/G5/G6



Improved Availability in sysplex and non-sysplex environmentsEmphasis placed on maintaining overall health of the system and sysplex in stressed environmentsRobust management of WTO message storage improves system availability

Multiple-line messages not queued until completed More efficient message broadcast and deletion

This is an optional feature for z/OS 1.4. Planned availability is 1Q04This function is planned be part of the base in z/OS 1.5

Console Enhancement Feature for z/OS 1.4

Batch R/W

CICS AOR R/W

SMSVSAMTVS

System Logger

VSAM CF

Allows batch update sharing concurrent with CICS on-line access to recoverable data

Addresses the batch window for CICS and batch sharing of VSAM recoverable data sets Allows multiple batch update programs to run concurrently against the same files

Improves system availability with simpler, faster, and more reliable recovery operations for VSAM storage structuresEnables 24 x 7 availability Available as of 6/2003

Transactional VSAM Feature for z/OS 1.4



Basis of WLC changes to LPAR utilization

Total machine Capacity - 300 MSUs

Interval A

Interval A

Interval B

definedcapacity

200

definedcapacity

200

200 MSUs for CICS

300 MSUs for z/OS400 MSUs for z/OS200 MSUs for IMS

Old Terms/Conditions: Pay based on sum of LPAR definitions

(sum of LPARS exceeds CEC size)

190 10075 175

CICSz/OS

IMSz/OS

CICSz/OS

IMSz/OS

Total machine Capacity - 300 MSUs

Interval B

290 MSUs for z/OS175 MSUs for IMS190 MSUs for CICS

New Terms/Conditions: Pay based on combined LPAR utilization(Highest rolling 4-hour avg. LPAR utilization)

190 10017575

CICSz/OS

IMSz/OS

IMSz/OS

CICSz/OS

New Announcement May 13, 2003: WLC base charge has been lowered from 45 MSUs to 3 MSUs

Big Picture View of zSeries Software Pricing

Machine MLC Pricing Metrics IPLA Pricing metricsz900 Workload License Charges

orParallel Sysplex License Charges * ^

Value Unit Pricing%Engine Based

z800 zSeries Entry License ChargeorWorkload License Charges+orParallel Sysplex License Charges * + ^

Value Unit Pricing%Engine Based

Multiprise 3000

Growth Opportunity License Charge* Value Unit Pricing%Engine Based

S/390 Enterprise Server

Parallel Sysplex License Charge* ^ Value Unit Pricing%Engine Based

* this pricing metric allows Usage License Charge (ULC) as an alternative^ this pricing metric allows New Application License Charge (NALC) as an alternative+ this pricing metric is only available on a z800 when the z800 is in a plex% selected WebSphere family products are eligible for Entry Option Value Unit Pricing



z/OS.e - A new Product OfferingA specially priced z/OS offering

A fraction of the cost of z/OS - select function at exceptional price

For enterprise and e-business applicationsFor ERP, CRM, SCM, BI

Web-enabled data transaction processing, applications written in C/C++, Java and J2EE

IBM solutions: WebSphere Application Server, WebSphere Commerce, Domino, DB2, DB2 Intelligent Miner

Only on z800 Occupy full z800 or individual engine(s)

Participate in Parallel Sysplex

Same code base, comparable operating environment as z/OS64 bit, IRD, WLM, Hipersocket, FICON Express, ...

Technically fences traditional data transaction processing workloadSuch as CICS, IMS, COBOL and FORTRAN

z990 Compatibility

6/03

z990 Exploitation

10/03

z/OS 1.4, 1.3, 1.2 OS/390 2.10

Full Crypto (Secure Key and Clear Key)Clear Key Crypto (SSL)

z/OS 1.4 z/OS 1.3, 1.2 OS/390 2.10

z/OS 1.4, 1.3

z/OS 1.4

z990 z/OS Support



z990: z/OS Compatibility & Exploitation Value

z/OS 1.4 Exploitation Up to 30 LPARs on a single server

OS LPAR IDs > 15Access to 512 channels (256 per z/OS image)Secure Encrypted Transactions with Higher Performance via new PCIXCC

CompatibilityOS/390 2.10, z/OS 1.2, 1.3 & 1.4

No more than 15 LPARsOS LPAR IDs < or = 15

Clear Key encryption/decryption on every Processor Unit for z/OS 1.3 and 1.4Continued SSL acceleration via PCICA for z/OS 1.3 and 1.4Increased scale of Hipersocket LANs

Not usablewith

Compatibility software

LCSS0 Up to 256 CHPIDs

LCSS0 Up to 256 CHPIDs

Up to 256 CHPIDs

LCSS1

UserUserRegistriesRegistries

John Smith

Network Network Identity Identity LDAPLDAP

WebSphereWebSphere DCEDCE KerberosKerberos RACFRACF NotesNotes

JohnnyJohnny John SmithJohn Smith J. SmithJ. Smith JohnSJohnS John Smith/John Smith/Rochester/IBMRochester/IBM

. . .Local UserLocal UserIdentitiesIdentities

Data Access and Storage Management: DFSMS enhancementsImproving business continuance and security (DFSMShsm fast replication)

Multi-Level Security (MLS) Higher level trusted computing base for stringent government and industry requirements

Labeled security allows sharing of resources with mixed levels of security in a single imageSingle image of data sharable by multiple government agencies with different need-to-know

Extend IPv6 to commonly used TCP/IP functions Improved Security

PKI Services, Enhanced Intrusion Detection Services

z/OS and z/OS.e Release 5 PreviewPlanned Availability 1Q04

AccessEnterprise Identity Mapping (EIM) Manage the relationship between identities in multiple system and application registriesIBM Project eLiza driven

Cross platform coverageCross applicationsAvailable for z/OS 1.4 via APAR OW57137

Improved efficiency and enhanced security

All statement regarding IBM's future direction and intent are subject to change or withdrawal without notice, and represents goals and objectives only



Improved performance and scalability with 64-bit real and virtual supportrequires z/OS 1.3 for 64-bit virtual support

Improved data sharing performance by batching of GBP writes and castoutsrequires z/OS 1.4 and CFCC CFLEVEL 12

Easier, more flexible, less disruptive recovery with System-level Point in Time recovery

requires z/OS 1.5 DFSMShsm Fast Replicate supportMultilevel Security with Row Granularity

requires z/OS 1.5

DB2 UDB for z/OS V8

Enhances DB2 Backup and RecoveryDB2 Backups are managed by DFSMShsm

DB2 Storage Groups are mapped to DFSMShsm Copy Pool GroupsDFSMS uses FlashCopy or Virtual Concurrent copy to non-disruptively make copies of DB2 Storage GroupsDB2 Logs are adjusted so data integrity is maintained

DB2 Backups are Fast and Non-disruptive Recovery of DB2 Storage Groups is very Quick DFSMShsm makes management of DB2 easier and more efficient by automatically managing the Backup and Recovery of DB2 Storage Groups

DFSMShsm Fast Replication

DFSMShsm Fast Replicationz/OS 1.5 and DB2 V8

May turn hours into minutes!



z/OS 1.6 plans

Increased scaleGreater than 16 engines per z/OS image4 Logical Channel SubSystems (LCSS)60 LPAR support

Full 64-bit virtual runtimeLE's use of Run Time Library Support (RTLS) will be withdrawnThe DLL Rename Utility, part of z/OS LE, will be withdrawn

Start of Single UNIX Specification Version 3 supportNo longer support the ESA/390 Architecture

S/390 G5, G6 and MP3000 are not planned to be supportedThis will eliminate the need for redundant code in z/OS and potentially enable greater exploitation of zArchitecture

All statement regarding IBM's future direction and intent are subject to change or withdrawal without notice, and represents goals and objectives only

From OS/390 To z/OS

31-bit: ESA/390 64-bit: z/Architecture

* z/OS Bimodal Migration Accommodation Offering

z/Architecture Features:

Intelligent ResourceDirector

WorkloadLicenseCharges

HiperSockets

64-bit

OS/390 64-bit

z/OS

64-bitz800/z900

z800/z900

G5/G6MP3000

OS/390 31-bit

G5/G6MP3000

z800/z900

z800/z900

z/OS31-bit

z/OS31-bit

6 monthfallback capability*

OS/390 31-bit

Typical Migration Paths



Assisting OS/390 customers in their migration to z/OS

* Available on z/OS 1.4, 1.3, and 1.2

z/OS Bimodal Migration Accommodation Offering

Responding to customer requests for a safety net during migrationProvides a fallback option to 31-bit when first migrating to z/OS* in 64-bit mode

Available on the Web at ibm.com/servers/eserver/zseries/zos/downloads/Six-month offering beginning with licensing of z/OS to z/Architecture™ server (z800/z900)

Only PSLC pricing available on z900 in 31-bit modeWLC pricing requires z/Architecture (64-bit) mode

zELC pricing available on z800 in 31-bit modeNot available for z/OS.e

z/OS functions not available in 31-bit mode on z/Architecture server:Intelligent Resource Director, HiperSockets, 64-bit Real Storage, 64-bit Virtual Storage and IPv6WLC pricing

New! Bimodal Accommodation Offering for Disaster Recovery

Aid for Migration: z/OS Migration Manual

A guide for the migration implementation activitiesAudience: System ProgrammersMaintained on the z/OS Migration Web site

url: ibm.com/eserver/zseries/zos/installation/zos_migration.htmlUpdated regularly based on IBM and customer experiencesOrganized as a single reference source

A supplement to standard migration documentationAll major steps will be covered with references to detailed instructions

Intended to accelerate the customer's migrationMigration approach used in the manual

Make as many changes as possible before you migrate to z/OSOnce you install z/OS 1.4, make as many required changes as possible before IPL Additional functions can be enabled once z/OS 1.4 is deployed

Enhanced version available!Updates based on customer experiences and feedbackNew "Summary of Changed Interfaces" appendix



Migration strategy

Actions to perform before installing z/OS 1.4migration to the WLM goal mode

Migration Aid: http://www-1.ibm.com/servers/eserver/zseries/zos/wlm/tools/goalmode.htmlSpecifying parameters that will become required in a future release

Specifying CONSOLE names and defining console groups instead of ALTCONSUpdating parameters and options that will become obsolete in a future release

C/C++ compiler options and IP services statement (ASSORTEDPARMS and KEEPALIVEOPTIONS)Finding alternatives for functions that will become obsolete in a future release

LAN Server, SOMObjects ADE, and Library Management functions from ISPF

Actions to perform before the first IPL of z/OS 1.4Reformat ARM couple datasetReformat OMVS couple datasetUse the new resolver component of CSUpdate programs that use LE (non-CICS default options are changed to favor 31-bit applications)

Actions to perform after the first IPL of z/OS 1.4Migrate to a maximum of 999,999 job numbers (only when you decide to raise the limit)Not required, but recommended

Activating z2 mode for JES2Start TCP/IP resolver address space in BPXPRMxx

Appendix



z/OS functions summary (1)

FUNCTION zSeries z800/z900

S/390®

G5/G6/MP3000

Self Management Technology msys for setup x x

msys for Operations x xSystem-managed CF Structure Facility Duplexing x x

USS automatically assigns unique UID/GID x xHSM use of CF structure x x

LDAP failover support x xApplication Flexibility

ISO '98 C++ Standard Library compliance x xSimple Network Time Protocol x x

Support for Java SDK V1.3, 1.4 and XML x xInfoprint® x x

Enhanced ASCII and Unicode® Support x xBulletproof Security

TN3270 support for SSL and TLS x xIntrusion Detection Services x x

Full life-cycle mgmt for Digital Certificates x xUSS Access Control Lists for UNIX file systems x x

Firewall support with dynamic VIPA x x

z/OS functions summary (2)

FUNCTION zSeries z800/z900

S/390G5/G6/MP3000

Increased Scalability & Performance 64-bit Real Storage x

Basic 64-bit Virtual Storage Support x HiperSockets x

PCI Crypto Accelerator Support xIPv6 Support x

zSeries File System x xDynamic Workload ManagementIntelligent Resource Director (IRD) x

IRD for non-z/OS LPARs (Linux® or VM) xDynamic Workload Manager of batch initiators x x

Lower Total Cost of Ownershipz/OS.e (z800 only) x

Sub-Capacity Pricing (WLC on z900) xValue Unit Pricing (on z900) x



Release GA date End of Service date

OS/390 2.8 September 1999 September 30, 2002

OS/390 2.9 March 2000 March 31, 2003

OS/390 2.10 September 2000 at least September 2004(announced)

z/OS 1.1 March 2001 March, 2004 (announced)

z/OS 1.2 October 2001 October, 2004 (projected)

z/OS 1.3 March 2002 March, 2005 (projected)

z/OS 1.4 September 2002 September, 2005 (projected)

Current table available at:ibm.com/servers/eserver/zseries/zos/support/zos_eos_dates.html

End of Service Dates



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