IBM 990 Reference Manual Download

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August 2004

IBM

zSeries 990 and z/OS

Reference Guide

Summary of Contents for 990

Page 1: ...August 2004 IBM zSeries 990 and z OS Reference Guide...

Page 2: ...ctivity page 17 Open Systems Adapter Express Features OSA Express page 21 HiperSockets page 26 Cryptography page 28 Availability page 29 Advanced Availability Functions page 31 Parallel Sysplex Cluste...

Page 3: ...ategic partners to manage needs outside of these competencies Resilient It can handle the ups and downs of the global market and manage changes and threats with consis tent availability security and p...

Page 4: ...protect against both scheduled and unscheduled outages and GDPS enables protection from loss of complete sites The New zSeries from IBM Impressive Investment Unprecedented Performance IBM s ongoing i...

Page 5: ...E architecture allows a z Architecture server to support both ESA 390 31 bit and z Architecture 64 bit guests Zone Relocation is expanded to 64 bit for LPAR and z VM 64 bit operands and general regist...

Page 6: ...dels are designed to facilitate the IT business transformation and reduce the stress of business to busi ness and business to customer growth pressure The zSeries represents an advanced generation of...

Page 7: ...cessor Resource Systems Manager PR SM Notably execution of the Java applications on zAAPs within the same z OS LPAR as their associated database subsystems can also help simplify the server infrastruc...

Page 8: ...ximately 93 x 93 millimeters 42 smaller than the z900 contains the processor unit PU chips the cache structure chips and the processor stor age controller chips The MCM contains 101 glass ceramic laye...

Page 9: ...dis ruptive upgrade of processing capability Also the ability to add CPs lets a z990 with spare PU capacity become a backup for other systems in the enterprise expanding the z990 system to meet an eme...

Page 10: ...have a Model B16 which has 5 PUs characterized as CPs so for software billing purposes the STSI instruction would report 305 The more normal configuration for a 5 way would be an A08 with 5 PUs charac...

Page 11: ...to offer a high perfor mance and efficient I O structure All z990 models ship with two frames the A Frame and the Z Frame this sup ports the installation of up to three I O cages Each I O cage has the...

Page 12: ...IPS MSUs and CPU time chargeback algorithms It is important to realize the z990 has been optimized to run many workloads at high utiliza tion rates It is also important to notice that the LSPR workloa...

Page 13: ...along with any ISC 3s STI 2 and STI 3 distribution cards and PCICA and PCIXCC features All I O features and their support cards can be hot plugged in the I O cage Installation of an I O cage remains a...

Page 14: ...l IDs PCHIDs SubSystem In order to accommodate the new support for up to 1024 CHPIDs introduced with the Logical Channel SubSystem LCSS a new Physical Channel ID PCHID is being intro duced The PCHID r...

Page 15: ...is activated in the event of a failure of one of the other ports For high availability the ini tial order of ESCON features will deliver two cards and the active ports will be distributed across those...

Page 16: ...munication between a 9672 G5 G6 server and a z990 server over a short distance less than 7 meters The ICB 2 is supported via an STI 2 card which resides in the I O cage and converts the 2 0 GigaBytes...

Page 17: ...duce configuration complexity infrastructure costs and the number of chan nels that must be managed Please note no additional hardware or code is needed in order to obtain 2 Gbps links The functionali...

Page 18: ...to support native FICON These host adapters each have one port per card and can either be FC 3021 for long wavelength or FC 3032 for short wavelength on the F10 F20 or FC 3024 for long wavelength and...

Page 19: ...le ESCON channels that are dedicated as CTC cannot communicate with any other device whereas native FICON FC channels are not dedicated to CTC only Native can support both device and CTC mode definiti...

Page 20: ...rvers will be capable of attaching to select FCP SCSI devices and may access these devices from Linux on zSeries This expanded attachability means that enter prises have more choices for new storage s...

Page 21: ...by offer ing a maximum of up to 24 features per server versus the maximum of up to 12 features per server on prior genera tions This expands the z990 balanced solution to increase throughput and resp...

Page 22: ...ress feature supports the attachment of non SNA 3270 terminals for operator console applications Now 3270 emulation for console session connections is integrated in the zSeries and can help eliminate...

Page 23: ...hernet features when configured in QDIO mode Full VLAN is also available with z OS V1 2 on z900 and z800 using appropriate LIC upgrade on Fast Ethernet and Gigabit Ethernet features Full VLAN support...

Page 24: ...port is the ability to accom modate the customer s attachment requirements spanning combinations of TCP IP and SNA applications and devices Customers can use TCP IP connections from the remote site to...

Page 25: ...on zSeries z VM V5 1 and z OS V1 4 and later z VM V4 4 provided IPv6 support for guest LANs Performance enhancements for virtual servers Two important networking technology advancements are announced...

Page 26: ...fferent HiperSockets can be used for security separation of traffic no external wire tap ping monitoring and performance and management rea sons separate sysplex traffic Linux or non sysplex LPAR traf...

Page 27: ...to be organized for optimum traffic flow the network is organized by traffic patterns rather than physi cal location This enhancement permits traffic to flow on a VLAN connection between applications...

Page 28: ...r Public Key SSL operations The PCIXCC design supports almost all of the past Crypto graphic functions which were provided on the zSeries 900 via the CMOS Cryptographic Coprocessor CCF and the PCI Cry...

Page 29: ...upling Facilities ICFs Integrated Facility for Linux IFLs and IBM zSeries Application Assist Pro cessor zAAP Capacity Upgrade on Demand can quickly add processors up to the maximum number of available...

Page 30: ...system normally operates with a base CP configuration and with a preconfigured number of additional Processor Units PUs reserved for activation in case of an emergency The z990 technology is suited fo...

Page 31: ...Us reserved as spares In the case of processor failure these spares are used for transparent sparing Enhanced Dynamic Memory Sparing The z900 has enhanced this robust recovery design with 16 times mor...

Page 32: ...el Sysplex clustering was designed to bring the power of parallel processing to business critical zSeries and S 390 applications A Parallel Sysplex cluster consists of up to 32 z OS and or OS 390 imag...

Page 33: ...Customers consider ing clustering technology can get started with Parallel Sysplex technology at a lower cost by using an ICF instead of purchasing a standalone Coupling Facility An ICF feature is a...

Page 34: ...loss of a single structure or CF or loss of connectivity to a single CF through rapid failover to the backup instance of the duplexed structure pair Benefits of System Managed CF Structure Duplexing...

Page 35: ...e IC 3 link with 1 25 GBps capacity Additional Peer Mode benefits are obtained by enabling the link to be MIFed between z OS or OS 390 and CF LPARs The peer link acts simultaneously as both a CF Sende...

Page 36: ...e port increments ISC 2 HiPerLinks HiPerLinks based on single mode CF links are available on 9672s G3 G6 and 9674s only ISC 3s replace HiPerLinks on zSeries 900 and z990 models ICB 2 The Integrated Cl...

Page 37: ...f 2 CHPID numbers must be defined in the IOCDS IC links provide the fastest Parallel Sysplex con nectivity Intelligent Resource Director Exclusive to IBM s z Architecture is Intelligent Resource Direc...

Page 38: ...by the system program mer to the control unit If the work shifts to other control units DCM will unassign them from lesser utilized control units and assign them to what are now the more heavily used...

Page 39: ...residing on a set of disk volumes called the primary volumes in site 1 to secondary disk volumes on a second system in site 2 Only when the primary storage subsystem receives write complete from the s...

Page 40: ...source and destination Geographically Dispersed Parallel Sysplex HyperSwap The GDPS PPRC HyperSwap function is designed to broaden the continuous availability attributes of GDPS PPRC by extending the...

Page 41: ...n is designed to broaden the continu ous availability attributes of GDPS PPRC by extending the Parallel Sysplex redundancy to disk subsystems Planned HyperSwap function provides the ability to Transpa...

Page 42: ...ior to this announcement both source and target volumes had to reside on the same LSS within the disk subsystem Since this constraint has been removed with FlashCopy V2 GDPS can now allow a FlashCopy...

Page 43: ...lanned outages GDPS is designed to provides the following recovery actions Re IPL in place of failing operating system images Site takeover failover of a complete production site Coordinated planned a...

Page 44: ...between systems in a Parallel Sysplex environment has become ever more rigorous In order to ensure that any exchanges of timestamped informa tion between systems in a sysplex involving the Coupling Fa...

Page 45: ...connected disks Dual electrical power grids Cloned OS 390 images latest available software levels Automation capabilities for recovery restart Critical data on RAID and or mirrored disks Key attribute...

Page 46: ...rnal 2074 Console control ler and associated consoles an administrator may utilize the Hardware Management Console HMC functions Inte grated 3270 Console Support for operating z VM images and Integrat...

Page 47: ...t Search Extender Version 7 2 Tivoli Tivoli Access Manager for e business Versions 3 9 and 4 1 Tivoli Access Manager for Operating Systems Version 4 1 Tivoli Configuration Manager Version 4 2 Tivoli D...

Page 48: ...ou to add capacity and workload with an incremental and improved price and the ability to aggregate licenses acquired across machines that are part of your enterprise Integrated Facility for Linux IFL...

Page 49: ...VLAN connection both over HiperSockets and between HiperSockets and an OSA Express GbE 1000BASE T Eth ernet or Fast Ethernet feature Internet Protocol Version 4 IPv4 broadcast packets are now support...

Page 50: ...erator 1 feature cards cards PCIXCC 013 45 11 4 1 1 feature13 coprocessors coprocessor 1 A minimum of one I O feature ESCON FICON Express or one Coupling Link ICB ISC 3 is required 2 Maximum of 48 ESC...

Page 51: ...0 1024 1024 1024 FICON Min 0 0 0 0 FICON Max 96 120 120 120 FICON Express and FCP configured on the same FICON Express features Max channels total 120 ESCON increments of 4 channels Coupling Links Lin...

Page 52: ...A Express PCICA PCIXCC fea tures is 40 I O Feature Type Features Maximum ESCON 35 cards 0 channels FICON Express 60 120 channels OSA Express 24 48 ports PCIXCC 4 4 PCICA 6 12 cards Maximum combined FI...

Page 53: ...wer Heating Cooling System Power Consumption kW Model Config 1 I O Cage 2 I O Cage 3 I O Cage A08 5 3 7 8 10 3 B16 7 3 9 8 12 3 C24 9 1 11 6 13 9 D32 10 8 13 3 15 8 Note Assumes maximum configuration...

Page 54: ...icular back level machine may be updated to a more current CFCC level NOT all the functions of that CFCC level may be able to run on that hardware platform i e G3 G4 can be upgraded to CF Level 8 but...

Page 55: ...to your existing structured fiber cabling infrastructure Enterprise fiber cabling package will analyze your entire data center configuration and existing fiber optic infrastructure to determine the a...

Page 56: ...e Parallel Sysplex clustering highly available TCP IP networking and dynamic workload and resource balancing Integrated system services z OS helps make critical data and processing functions accessibl...

Page 57: ...direct resources to respond to the needs of individual components within the system is an evolutionary step It enables the system to continuously allocate resources for different applications and thi...

Page 58: ...ificant capac ity enhancement for relieving shared virtual storage con straints Applications that can be written to 64 bit virtual storage have significantly larger addressability to data With z OS 1...

Page 59: ...r BDT File to File Bulk Data Transfer SNA NJE The backbone of the z OS system is the Base Control Pro gram BCP with JES2 or JES3 These provide the essential services that make z OS the system of choic...

Page 60: ...storage management In a system managed storage environment DFSMS can automate and centralize storage manage ment based on the policies that your installation defines for availability performance space...

Page 61: ...n a synchronized state during normal CF operation In the event of a CF related failure or even a planned outage of a CF failover to the remaining copy of the duplexed structures can be initiated and q...

Page 62: ...y to day opera tion of a single z OS image or of a Parallel Sysplex cluster msys for Operations enhancements in z OS 1 3 include automation to handle enqueue contention and auxiliary storage shortages...

Page 63: ...CSF System SSL Open Cryptographic Service Facility z OS Version 1 Release 6 optional priced features Security server RACF z OS Version 1 Release 6 optional no charge features z OS Security Level 3 whi...

Page 64: ...ping and notification of password changes using z OS LDAP Improved user accountability through RACF s enforce ment of unique z OS UNIX UIDs and GIDs Improved access control flexibility and granularity...

Page 65: ...ion where the private key had to reside in the RACF database Failover LDAP provides greater availability You can now specify a list of Security Server LDAP servers to be used for storing certificate r...

Page 66: ...er performance In addition PCIXCC implements the functions on the CMOS Crypto graphic Coprocessor Facility used by known applications PCIXCC supports secure cryptographic functions use of secure encry...

Page 67: ...programs generated with C C COBOL FORTRAN and PL 1 C C Extra Performance Linkage XPLINK is provided in z OS 1 2 A C or C application has overhead associated with each function call The more highly fun...

Page 68: ...4 API level Continue the write once run anywhere Java paradigm at the Java 2 API level Take advantage of the new Java 2 function including XML and Web services Continue to take advantage of Common cro...

Page 69: ...el Sysplex cluster Dynamic VIPA Takeover can enhance the initial 2 8 functions providing VIPA takeback support This can allow the movement of workload back from the alternate to the primary IP stack W...

Page 70: ...server HiperSockets acts like a TCP IP network within the server HiperSockets Accelerator provides an accelerated routing path which concentrates traffic between OSA Express external network connecti...

Page 71: ...s for C programming shell and utilities client server appli cations and the majority of the standards for thread man agement and the X Open Single UNIX Specification The combination of open computing...

Page 72: ...g Services z OS Version 1 Release 6 base elements and components Network File System NFS DCE Base Services Distributed File Service including zFS and SMB z OS UNIX supports hierarchical file systems t...

Page 73: ...f USS file tagging Access Control Lists ACLs sup port This enhances the ability to develop applications on Windows and deploy on z OS z OS also supports printing of SMB files without requiring that co...

Page 74: ...g Inter face SAPI to access print jobs and job information from the JES spool The advantage of this change can be higher availability and throughput more flexibility for han dling print related tasks...

Page 75: ...verts BookManager documents to HTML for display through a Web browser Library Center IBM is providing an alternative way to navigate our z OS library on the Internet Beginning with z OS 1 5 the Librar...

Page 76: ...are supported on the following IBM servers S 390 Parallel Enterprise Server G5 G6 or compatible server ESA 390 mode Multiprise 3000 Enterprise Server or compatible server ESA 390 mode IBM zSeries 800...

Page 77: ...on the up level systems or it might be necessary to up level all systems to enable some functions For additional information on z OS planning refer to z OS and z OS e Planning for Installation availa...

Page 78: ...ailable through ShopzSeries as an Inter net based strategic software tool available to fulfill orders 24x7 365 days a year Through Service in ShopzSeries customers can quickly and easily order and rec...

Page 79: ...heir applications database systems and e business solutions z VM V5 offers new levels of price performance functional capabilities and hardware exploitation that increase the attractiveness of deployi...

Page 80: ...s Engine based pricing for z VM V4 and its optional features allows customers the opportunity to exploit the zSeries and S 390 servers more cost effectively than a discrete server implementation With...

Page 81: ...splay screens and in printed reports similar to the way VM data is viewed and presented With corresponding function available in Linux on zSeries and S 390 z VM 4 4 provides The attachment of Small Co...

Page 82: ...ous mode PPRC XD is suitable for data migra tion backup and disaster recovery procedures PPRC Version 2 V2 is also supported for guest operating systems offering an asynchronous cascading solution pro...

Page 83: ...ockets function for high speed communication among virtual machines and logical partitions within the same zSeries server The HiperSockets function allows vir tual machines and logical partitions to c...

Page 84: ...l SUSE LINUX Enterprise Server 8 SLES 8 powered by UnitedLinux at the 2 4 19 kernel level and Turbolinux Enterprise Server 8 TLES 8 powered by United Linux at the 2 4 19 kernel level Security of the T...

Page 85: ...de Virtualization Technology and Linux Enablement Support for SCSI FCP disks enable the deployment of a Linux server farm on z VM using only SCSI disks SCSI disks can be used as such by guests through...

Page 86: ...tion Getting Started with Linux on zSeries describes z VM basics and how to configure and use z VM functions and facilities to create and manage Linux servers running on zSeries processors The publica...

Page 87: ...Perfor mance Reporting Facility PRF priced optional feature thereby virtually eliminating the need for separate products PRF and RealTime Monitor RTM to help manage your performance more efficiently O...

Page 88: ...gardless our warranty terms apply Performance is in Internal Throughput Rate ITR ratio based on measure ments and projections using standard IBM benchmarks in a controlled environment The actual throu...

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