IBM ZSERIES zSeries 890 Reference Manual

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IBM ^ zSeries 890 and z/OS

Reference Guide

January 2005

Table of Contents

Summary of Contents for IBM ZSERIES zSeries 890

Page 1 IBM ^ zSeries 890 and z/OS Reference Guide January 2005...
Page 2: Table Of Contents
Table of Contents z/Architecture IBM ~ zSeries 990 z890 Family Models z890 and z900 Performance Comparison z890 I/O SubSystem z890 Channels and I/O Connectivity Fibre Channel Connectivity A New Generation for SANs – FICON Express2 A New Generation of zSeries LAN Adapters...
Page 3 ® zSeries ® (z900) was launched in 2000 and was the ﬁ rst IBM server ‘designed from the ground up for e-business.’ The latest member of the family, the IBM ^ zSeries 890 (z890), brings enriched functions that are required for the on demand data center to a larger audience.
Page 4 Tools for Managing e-business The IBM ^ product line is backed by a compre- hensive suite of offerings and resources that provide value at every stage of IT implementation. These tools can help customers test possible solutions, obtain ﬁ...
Page 5: Z/Architecture
z/Architecture The zSeries is based on the z/Architecture designed to reduce bottlenecks associated with the lack of addressable memory and automatically directs resources to priority work through Intelligent Resource Director (IRD). The z/Architecture is a 64-bit superset of ESA/390. z/Architecture is implemented on the z890 to allow full 64- bit real and virtual storage support.
Page 6: Ibm ~ Zseries 990
Quality of Service to emerging e-business applications such as WebSphere The IBM ^ zSeries Application Assist Processor (zAAP), available on the IBM ^ zSeries 990 (z990) and zSeries 890 (z890) servers, is an attractively priced specialized processing unit that provides strategic z/OS...
Page 7 Java application(s). Execution of the JVM process- ing cycles on a zAAP is a function of the IBM Software Developer’s Kit (SDK) for z/OS Java 2 Technology Edition, z/OS 1.6 (or z/OS.e 1.6) and the innovative Processor Resource/Systems Manager ™...
Page 8 As with the z990, an improvement to the I/O subsystem has been introduced on the z890 to “break the barrier” of the 256 CHPIDs per Channel Subsystem. Horizontal growth is provided by allowing the deﬁ nition of two Logical Channel SubSystems (LCSSs) each capable of supporting up to 256 CHPIDs, giving a total of 512 CHPIDs per z890 server.
Page 9 Each model of the z890 must always be ordered with at least one CP, IFL or ICF. The PU, which uses the latest chip technology from IBM semiconductor laboratories, is built on CMOS 9S-SOI with copper interconnections. The 14.1 mm x 18.9 mm chip has a cycle time of 1.0 nanoseconds and is identical to the...
Page 10: Z890 Family Models
* Capacity Setting refers to number of installed CPs and capacity. Reported by STSI instruction. Note: For MSU values, refer to: ibm.com/servers/eserver/zseries/library/swpriceinfo/ IBM ^ On/Off Capacity on Demand for z890 IBM ^ On/Off Capacity on Demand (On/Off CoD) is offered with z890 processors to provide a temporary increase in capacity to help meet customers' peak work- load requirement.
Page 11 IFL or ICF is installed on the permanent machine with the restrictions that a) additional engines, of each type, cannot exceed the number of installed permanent engines of that same type and b) adding engines cannot exceed the physical limit of the installed machine. The maximum number of On/Off CoD zAAPs available for z890 cannot exceed the number of zAAPs, with the addi- tional restriction that the sum of zAAPs and On/Off CoD...
Page 12 (CIU), and Capacity BackUp (CBU) which are described later in the document. On/Off CoD Test IBM continues to enhance On/Off CoD to be more respon- sive to your on demand business requirements. On/Off CoD has been enhanced to allow for a no-charge test.
Page 13: Z890 And Z900 Performance Comparison
Performance Comparisons The IBM z890 is the latest member of the zSeries family. The design of the z890 is a continuation of the major change in the direction of the zSeries platform started with the IBM ^ zSeries 990. The implementation of the...
Page 14: Z890 I/O Subsystem
MSUs and SRM constants. The z990 default mixed work- load will be composed of equal amounts of ﬁ ve workloads, Trade2-EJB, WEB/CICS/DB2, IMS, CB84 and CBW2. Addi- tionally, the z890/z990 LSPR will rate all z/Architecture pro- cessors running in LPAR mode and 64-bit mode. The existing z900 processors have all been re-measured using the new workloads –...
Page 15 CHPID must be unique within the LCSS. There is a new CHPID mapping tool available to aid in the mapping of CHPIDs to PCHIDs. The CHPID Mapping tool is available from Resource Link at: ibm.com/servers/resourcelink. IOCP - IOCDS Partitions...
Page 16: Z890 Channels And I/O Connectivity
After the initial install the ESCON features are installed in incre- ments of one. ESCON channels are available in four-port increments and are activated using IBM Licensed Internal Code, Conﬁ guration Control (LIC CC). There is a 75% CHPID 22 increase in ESCON connectivity over z800.
Page 17 long wavelength (LX) and short wavelength (SX) features, though the LX and SX cannot be intermixed on a single feature. Note, the maximum quantity of FICON Express, OSA-Express, PCICA, and PCIXCC features in combina- tion cannot exceed 20 features per server. Up to 80 FICON Express2 Channels Up to 80 FICON Express2 channels are supported on the z890.
Page 18: Fibre Channel Connectivity
Enterprise Tape Controller 3590 Model A60 provides up to two FICON interfaces which can coex- ist with ESCON on the same box. The IBM TotalStorage Enterprise Tape Controller 3592-J70 which provides up to four FICON interfaces which can exist with ESCON on the same box.
Page 19 ESCON end point. ESCON FICON cascaded directors is offered in conjunction with IBM, CNT, and McDATA Directors. FICON Bridge F10, F20, 800 Enterprise Tape...
Page 20 “hops” through a storage network for I/O connectivity. This support along with 2 Gbps link capability is being deliv- ered together with IBM and directors from IBM, CNT, and McDATA. FCP full fabric connectivity enables multiple FCP switches/ directors on a fabric to share links and there- fore provide improved utilization of inter-site connected resources and infrastructure.
Page 21 This statement represents IBM’s current intentions. IBM development plans are subject to change or withdrawal without further notice. IBM zSeries is interested in obtaining customers to par- ticpate in an Early Support Program. We encourage you to contact your IBM representative.
Page 22: A New Generation For Sans - Ficon Express2
A New Generation for SANs – FICON Express2 FICON Express2 offers new packaging with increased connectivity in the same amount of physical space. Increased performance is also possible with FICON Express2. This refresh of technology can help to satisfy your server consolidation connectivity requirements, and may help to reduce the number of I/O features required for consolidation.
Page 23 Concurrent Update The FICON Express2 SX and LX features may be added to an existing z890 concurrently. This concurrent update capability allows you to continue to run workloads through other channels while the new FICON Express2 features are being added. This applies to CHPID types FC and FCP. Continued Support of Spanned Channels and LPARs The FICON Express2, both FICON and FCP (CHPID types FC and FCP) channel types, can be deﬁ...
Page 24: A New Generation Of Zseries Lan Adapters
A New Generation of zSeries LAN Adapters Open Systems Adapter-Express2 A new generation of zSeries LAN adapters is being deliv- ered, as well as a 10 Gigabit Ethernet feature. This update of technology, referred to as OSA-Express2, can help to satisfy the bandwidth demands of your applications.
Page 25 New functions in OSA-Express2 In a continuing effort to enhance the functions of the Open Systems Adapters and respond to customer requirements, IBM zSeries has enhanced the OSA-Express2 over OSA- Express features with the following improvements: Improved virtualization – now 640 TCP/IP stacks If you have a need to host more Linux images, increasing the number of TCP/IP stacks may be a solution.
Page 26 OSA-Express2 concurrent LIC update – an availability enhancement The OSA-Express2 features have increased memory in comparison to the OSA-Express features and are designed to be able to facilitate concurrent application of Licensed Internal Code (LIC) updates, allowing the appli- cation of LIC updates without requiring a conﬁ guration off/on of the features.
Page 27: Open Systems Adapter-Express Features
Router 4/16 Mbps Token-Ring SNA DLSw TCP/IP Native SNA 10/100 Mbps Ethernet Server Server QDIO Mode - TCP/IP 10/100/1000 Mbps Ethernet (copper) IBM ^ pSeries ® RS/6000 ® IBM ^ xSeries ® Netfinity ® Switch/ Hub/ Router 10/100 Mbps Server...
Page 28 The new Open Systems Adapter Integrated Console Controller function (OSA-ICC) which is exclusive on the IBM z890 and z990 servers since it is based on the OSA- Express feature, supports the attachment of non-SNA 3270 terminals for operator console operations. Now, 3270 emu-...
Page 29 A migration from a Token-Ring to an Ethernet Internet or environment should be a part of all strategic LAN planning. extranet Remote Office All statements regarding IBM’s plans, directions, and intent are subject to change or withdrawal without notice. 10/100 Mbps Ethernet non-QDIO mode...
Page 30 For z890 customers or customers who use the Processor Resource/Systems Manager (PR/SM) capabilities of the z800, z900 and the S/390 servers, IBM offers the Multiple Image Facility (MIF), allowing the sharing of physical channels by any number of LPARs. Since a port on an OSA-Express fea- ture operates as a channel, sharing of an OSA-Express port is done using MIF.
Page 31: Hipersockets
ofﬂ oad). Large send can improve performance by ofﬂ oad- ing outbound TCP segmentation processing from the host to OSA-Express2 by employing a more efﬁ cient memory transfer into OSA-Express2. The z/OS Communications Server support is planned for TCP/IP IPv4 trafﬁ c only and z/OS and z/OS.e 1.7.
Page 32 z/OS Linux z/VM z/VM LPAR LPAR LPAR LPAR 1 LCSS0 MIF-1 MIF-2 MIF-F MIF-1 CHPID CHPID CHPID CHPID CHPID CHPID CHPID Share SPAN PCHID PCHID PCHID PCHID PCHID 010B 010C 010D 020A HiperSockets CHPID 03 HiperSockets CHPID 04 HiperSockets does not use an external network, therefore, it can free up system and network resources, helping to reduce attachment cost while improving availability and performance.
Page 33: Cryptography
HiperSockets broadcast support for IPv4 packets – Linux, z/OS, z/VM: Internet Protocol Version 4 (IPv4) broadcast packets are now supported over HiperSockets internal LANs. TCP/IP applications that support IPv4 broadcast, such as z/OS OMPROUTE when running Routing Information Protocol Version 1 (RIPv1), can send and receive broad- cast packets over HiperSockets interfaces.
Page 34 – z/OS 1.6 is under evaluation for Controlled Access Protection Proﬁ le (CAPP) EAL3+ and Labeled Security Protection Proﬁ le (LSPP) EAL3+ • z/VM – IBM has applied for Common Criteria Controlled (ISO/IEC 15408) certiﬁ cation of z/VM V5.1 with the RACF ®...
Page 35 A third generation Cryptographic feature – Crypto Express2 Crypto Express2 features support for on demand business in a security-rich environment. Crypto Express2 provides the functions of PCICA and PCIXCC in a single feature that is expected to provide improved secure key and system throughput. Like its prede- cessors, the Crypto Express2 feature has been designed to satisfy the security requirements of an enterprise server.
Page 36 – A mixture of both secure and clear key applications can run on the same Crypto Express2 feature – Based on the increased throughput, the ability to con- solidate both secure key and clear key crypto work- loads and I/O slots on the same feature * The SSL rate was achieved with a z990 with 16 proces- sors and 6 PCICA features (12 accelerator cards).
Page 37 2048-bit key RSA management support for the PCICC fea- tures on z800 and z900 is transparent to the hardware and is supported by z/OS, z/OS.e, z/VM, and Linux on zSeries. z/VM and Linux on zSeries offer support for clear key oper- ations only.
Page 38: Availability
Capacity Upgrade on Demand allows for the nondisruptive addition of additional Central Processor (CP) Capacity, Internal Coupling Facilities (ICFs), Integrated Facility for Linux (IFLs) and/or IBM ^ zSeries Application Assist Processor (zAAP). Capacity Upgrade on Demand can quickly add processors up to the maximum number of available inactive engines.
Page 39 On/Off CoD has been enhanced to allow for a test at no charge for temporary IBM hardware capacity, IBM software, or IBM maintenance. This test can be used to validate the processes to download, activate, and deac- tivate On/Off CoD capacity nondisruptively. One free test...
Page 40: Advanced Availability Functions
Advanced Availability Functions Transparent Sparing z890 offers a 5 PU MCM in the case of processor failure. If there is a spare PU available it will be used for transparent sparing. Note this can only be achieved on 1-way, 2-way and 3-way models.
Page 41: Parallel Sysplex Cluster Technology
Enhanced Catalog Sharing; all of which provide sim- pliﬁ ed systems management, increased performance and/or scalability. For more detail, please see S/390 Value of Resource Sharing White Paper – GF22-5115 on the Parallel Sysplex home page at ibm.com/servers/eserver/ zseries/pso. ® to address...
Page 42 Parallel Sysplex technology, visit our Parallel Sysplex home page at ibm.com/servers/eserver/zseries/pso. Coupling Facility Conﬁ guration Alternatives IBM offers different options for conﬁ guring a functioning Coupling Facility: • Standalone Coupling Facility: z900 Model 100 and z800 Model 0CF servers provide a physically isolated, totally independent CF environment.
Page 43 Duplexing Conﬁ guration server using standard LPAR. A CF can be conﬁ gured to run in either a dedicated or shared CP partition. IBM software charges apply. This may be a good alternative for test conﬁ gurations that require very little CF processing resource or for provid- ing hot-standby CF backup using the Dynamic Coupling Facility Dispatching function.
Page 44 Parallel Sysplex Coupling Connectivity The Coupling Facilities communicate with z/OS images in the Parallel Sysplex environment over specialized high-speed links. For availability purposes, it is recom- mended that there be at least two links connecting each z/OS image to each CF in a Parallel Sysplex cluster. As processor performance increases, it is important to also use faster links so that link performance does not become constrained.
Page 45 Connectivity z890 ISC-3 z890 ICB-3 Options 1 Gbps G5/G6 ISC Compatibility 2 Gbps z800/z900 ISC-3 Peer Mode 2 Gbps z890/z990 ISC-3 Peer Mode G5/G6 ICB z900 ICB-2 z990 ICB-2 1 GBps z900 ICB-3 Peer Mode 1 GBps Peer Mode z890/z990 ICB-3 Recommendation use ICB-4s z890/z990 ICB-4...
Page 46 IOCDS. IC links provide the fastest Parallel Sysplex con- nectivity. The z890 supports up to a maximum of 32 ICs. Intelligent Resource Director Exclusive to IBM’s z/Architecture is Intelligent Resource Director (IRD), a function that optimizes processor and channel resource utilization across Logical Partitions (LPARs) based on workload priorities.
Page 47 Parallel Sysplex clustering. A basic set of IBM services is designed to help address planning and early implementation requirements. These services can help you reduce the time and costs of planning a Parallel Sysplex environment and moving it into production.
Page 48 For more information on Parallel Sysplex Professional Services, visit IBM’s Web site at ibm.com/servers/eserver/zseries/pso/ services.html. GDPS GDPS supports both the synchronous Peer-to-Peer Remote Copy (PPRC) as well as the asynchronous Extended Remote Copy (XRC) forms of remote copy.
Page 49 GPDS/PPRC HyperSwap ™ The GDPS/PPRC HyperSwap function is designed to broaden the continuous availability attributes of GDPS/ PPRC by extending the Parallel Sysplex redundancy to disk subsystems. The HyperSwap function is enabled to mask planned and unplanned disk and site reconﬁ gura- tions by transparently switching to use the secondary PPRC volumes.
Page 50 FlashCopy on a more frequent basis. In 2003, IBM TotalStorage Enterprise Storage Server announced support of FlashCopy V2. Refer to Hardware Announcement 103-141, dated May 13, 2003. Prior to this announcement, both source and target volumes had to reside on the same LSS within the disk subsystem.
Page 51 WTOs. GDPS/Global Mirror – preview IBM Global Services plans to make available a new service, GDPS/Global Mirror, to support the recently announced IBM TotalStorage Enterprise Storage Server (ESS) remote copy function called IBM TotalStorage Global Mirror.
Page 52 GDPS is discussed in a white paper available at ibm.com/ server/eserver/zseries/pso/library.html. GDPS is a service offering of IBM Global Services. For IBM Installation Ser- vices for GDPS, refer to the IBM Web site. Message Time Ordering (Sysplex Timer Connectivity to Coupling...
Page 53: Z890 Support For Linux
IBM developed the code that enables Linux to run on zSeries servers, and made it available to the Open Source community. The term used to describe this enabling code is “patches.”...
Page 54 – SCLP – which enables the operating system to communicate with the HMC. The software support was made available in z/VM Version 4 Release 4. An update for Linux will be made available to IBM Linux Distribution Partners. Linux on zSeries supports the 64-bit architecture available on zSeries processors.
Page 55 – Informix C-ISAM • U2 – IBM UniData Version 5.2x • Other IBM Software Products – IBM Application Workload Modeler Version 1.1 and Release 1 – IBM Developer Kit Versions 1.4 and 1.3.1 – IBM Directory Integrator Version 5.1 – IBM Directory Server Versions 5.1 and 4.1 –...
Page 56 OSA-Express Enhancements for Linux A new function, Checksum Ofﬂ oad, offered for the new OSA-Express GbE and 1000BASE-T Ethernet features, is being introduced for the Linux on zSeries and z/OS environments. Checksum Ofﬂ oad provides the capability of calculating the Transmission Control Protocol (TCP), User Datagram Protocol (UDP), and Internet Protocol (IP) header checksums.
Page 57 Fast Ethernet, Token-Ring) up to 24 features/48 ports on z990 • HiperSockets (up to 4096 TCP/IP stacks on up to 16 HiperSockets on z990) • 3172 • IUCV • Character devices • 3215 console • Integrated console Additional information is available at ibm.com/linux/ and at ibm.com/zseries/linux/.
Page 58: Zseries 890 Family Conﬁ Guration Detail
zSeries 890 Family Conﬁ guration Detail Maximum of 512 CHPIDs; One I/O cages: 28 I/O slots Per System Feature Minimum Maximum Maximum Features I/O Slots Connections Channels/ used by Features ESCON, 16 port channels FICON Express2 channels STI-3 ICB-3 link 16 links ICB-4 link 8 links...
Page 59 Channels and channel adapters no longer supported on z890 The following channels and/or channel adapters are no longer supported: • Parallel channels - an ESCON converter is required; IBM 9034 or Optica 34600 FXBT • OSA-2 adapters - use equivalent OSA-Express adapt- ers, for FDDI migrate to Ethernet as soon as possible •...
Page 60: Physical Characteristics
– z900 base CF level code is CF Level 9 – z800, z890 and z990 base CF level code is CF Level 12 – Detailed information regarding CF Levels can be found in Coupling Facility Level (CF LEVEL) Considerations at ibm.com/s390/pso/cftable.html *G3, G4, G5 and G6 only **zSeries required...
Page 61 “family” of ﬁ ber-optic connectors and transceivers. As a result of this complex and continually changing land- scape, IBM is providing you with multiple ﬁ ber cabling services options to provide ﬂ exibility in meeting your ﬁ ber cabling needs.
Page 62: Z/Os
(z890/z990) ESCON channels in one I/O cage. Fiber har- nesses, which are factory-installed, enable connection to IBM’s Fiber Transport System (FTS) direct-attach ﬁ ber trunk cables. Each trunk can have up to 72 ﬁ ber pairs. Four trunks can displace the 240 to 256 ﬁ ber optic cables on the z800 or z900.
Page 63 This integrated set of system services in z/OS can help a customer to focus on extracting the maximum business value from the z/OS installation. The system manages the workload, program libraries and I/O devices. Complexities are designed to be minimized and problem determina- tion is facilitated with the sophisticated recovery, reporting and debug facilities of z/OS.
Page 64 The IBM JVM processing cycles can be executed on the conﬁ gured zAAPs with no anticipated modiﬁ cations to the Java application(s). Execution of the JVM processing cycles on a zAAP is a function of the Software Developer’s...
Page 65 The user can see in detail what the changes will be before they are made. Also, with z/OS 1.5 msys for Setup can use the IBM Direc- tory Server, OpenLDAP, on any IBM platform including OpenLDAP on z/OS UNIX ®...
Page 66 BCP includes the I/O conﬁ guration program (IOCP), the workload manager (WLM), systems management facilities (SMF), the z/OS UNIX Systems Services kernel, and sup- port for Unicode. Sense and Respond with Workload Manager Workload Manager (WLM) addresses the need for manag- ing mixed workload distribution, load balancing and the distribution of computing resources to competing work- loads.
Page 67 The fast backup is designed to exploit FlashCopy and the virtual concurrent copy capa- bility of IBM TotalStorage Enterprise Storage Server and IBM RAMAC Virtual Array (RVA) respectively. DFSMShsm Fast Replication in z/OS 1.5 is also intended to provide a fast, easy to use point-in-time backup and recovery solu- tion speciﬁ...
Page 68 Hardware Management Console (HMC) to provide hardware functions such as deactivating LPARs. RMF is IBM’s strategic product for z/OS performance mea- surement and management. It is the base product to col- lect performance data for z/OS and sysplex environments to monitor systems’...
Page 69 Advanced System Automation The unique and rich functions of IBM Tivoli System Auto- mation for OS/390 (SA OS/390) Version 2.2 (separately orderable) can ease z/OS management, help reduce costs, and increase application availability. SA OS/390 automates I/O, processor, and system operations, and includes “canned”...
Page 70 UNIX ﬁ les with access control lists • Multilevel security support Multilevel Security z/OS 1.5 is the ﬁ rst and only IBM operating system to pro- vide multilevel security. This technology can help improve the way government agencies and other organizations share critical classiﬁ...
Page 71 z/OS SSL support includes the ability for applications to create multiple SSL environments within a single process. An application can now modify environment attributes without terminating any SSL sessions already underway. • IPv6 Support: This support allows System SSL to be used in an IPv6 network conﬁ...
Page 72 Together with cryptography features of the IBM zSeries servers, z/OS is designed to provide high performance SSL, which can beneﬁ t applica- tions that use System SSL, such as the z/OS HTTP Server and WebSphere, TN3270, and CICS Transaction Gateway server.
Page 73 Applica- tion Support Class and Collection Class libraries) is with- drawn from the C/C++ IBM Open Class Library (IOC) in z/OS V1.5. Applications that use these IOC libraries cannot be compiled nor linked using z/OS V1.5. Run-time support for the execution of existing applications which use IOC libraries is provided with z/OS V1.5, but is planned to be...
Page 74 The Java SDK for z/OS is available via download from the IBM ^ zSeries Java Web site and by tape from IBM Software Delivery and Fulﬁ llment (SDF) in SMP/E format. For additional information about zSeries Java products, go to: ibm.com/servers/eserver/zseries/software/java/.
Page 75 Dynamic Virtual IP Address Takeover VIPA represents an IP address that is not tied to a speciﬁ c hardware adapter address. The beneﬁ t can be that if an adapter fails, the IP protocol can ﬁ nd an alternate path to the same software, be it the TCP/IP services on a zSeries server or an application.
Page 76 HiperSockets • HiperSockets, introduced in z/OS 1.2, provides very high-speed, low latency TCP/IP data communications across LPARs resident within the same zSeries server. HiperSockets acts like a TCP/IP network within the server. • HiperSockets Accelerator provides an “accelerated routing path” which concentrates trafﬁ c between OSA- Express external network connections and HiperSockets connected LPARs.
Page 77 cross-network management of data and applications, and the exploitation of traditional zSeries system strengths in an open environment. Highlights • X/Open UNIX 95 Branded • Permanent z/OS UNIX Kernel (restart capability pro- vided in z/OS 1.3) • Integrated/converged z/OS UNIX Sockets •...
Page 78 IBM intends to continue enhancing zFS functional- ity, including RAS and performance capabilities, in future z/OS releases. All requirements for UNIX ﬁ le services are expected to be addressed in the context of zFS only.
Page 79 The IBM HTTP Server offers HTTP 1.1 compliance, support for Java technology, and the ability to manage Internet processing through the Workload Manager (WLM). Ben- eﬁ ts can include: • Utilization of large storage capacity • Single point of entry and control •...
Page 80 Library Center ™ applications IBM is providing an alternative way to navigate our z/OS library on the Internet. Beginning with z/OS 1.5, the Library Center for z/OS provides a Microsoft Windows Explorer-like view of the contents of the entire z/OS and Software Prod- ucts DVD Collection.
Page 81 CBPDO is a no-charge software package for adding or upgrading products or services or both, on an existing z/OS systems. z/OS 1.4 and 1.5 are supported on the following IBM servers: • S/390 Parallel Enterprise Server ™ G5/G6 (or compatible server) (ESA/390 mode) •...
Page 82 This addresses many customer requests to have a “fallback” option to 31-bit mode when ﬁ rst migrating to z/OS in 64-bit mode on a z/Architecture server. IBM has reconsidered the investment in 31-bit support on a zSeries server to encourage our customers to move forward. This...
Page 83: Z/Vm
ShopzSeries is available in the U.S. and several countries in Europe. In countries where ShopzSeries is not available yet, please contact your IBM representative (or Business Partner) to handle your order via the traditional IBM order- ing process. For more details and availability, visit the ShopzSeries Web site at: ibm.com/software/shopzSeries.
Page 84 Version 3 (V3) z/VM offers a new technology base for customers look- ing to use IBM Virtual Machine technology on one of the industry’s best-of-breed server platform, zSeries. When z/VM is running on a zSeries server, it’s possible to run 64- bit capable OS/390 2.10, z/OS, and Linux on zSeries as...
Page 85 SCSI IPL Feature Enabler • Enhanced page-fault handling • Clear-key RSA functions of the IBM PCI Cryptographic Coprocessor (PCICC) or the IBM PCI Cryptographic Accelerator (PCICA).
Page 86 • Support for the IBM TotalStorage Enterprise Storage Server (ESS) FlashCopy V2 providing increased ﬂ exibil- ity for improved capacity management and utilization. • Support for the IBM ESS Peer-to-Peer Remote Copy Extended Distance (PPRC-XD) function, extending the distance well beyond the 103 km supported with PPRC synchronous mode.
Page 87 V1.4 and is integrated into the base of z/VM V4.4. • IBM Debug Tool for z/VM V4.1 (5654-A23) IBM Debug Tool for z/VM V4.1 (5654-A23) is an IBM inter- active source-level debugging tool for compiled applica- tions. It helps you increase debugging efﬁ ciencies and aids in reducing application-development cycle times.
Page 88 The guest LAN support provided in z/VM V4.2 simulates the HiperSockets function for communication among virtual machines without the need for real IQD channels, much as VM simulates channel-to-channel adapters for communication among virtual machines without the need for ESCON, FICON, or other real channel-to-channel con- nections.
Page 89 IPL, and operate z/VM from SCSI disks. The z/VM SCSI support for system disks is based on emulation of the IBM FB-512 disk architecture and this emulation is also available for guest use. VM supports an individual emu- lated FBA disk up to 381 GB in size. However, directory, paging, and spooling allocations must reside within the ﬁ...
Page 90 (virtual images). Although these APIs are primarily intended for managing Linux virtual images, they can be used to manage many types of z/VM virtual machine. All enhancements to the APIs in z/VM V5.1 have been imple- mented using Version 2 (V2) of the RPC server. In addi- tion to usability enhancements, new functions include: –...
Page 91 Technology Exploitation • z/VM 5.1 supports the z890 and the z990 including: – Four Logical Channel SubSystems (LCSSs) on the z990 and two on the z890 – Transparent sharing of internal and external channel types across LCSSs – Open Systems Adapter-Express Integrated Console Controller (OSA-ICC) function –...
Page 92: Vse/Esa
VSE clients. Afﬁ nity between VSE and z/OS has been an endur- ing part of IBM’s strategy for VSE. One objective of afﬁ nity is to help ensure that clients can adapt their core VSE assets and skills to z/OS.
Page 93: To Learn More
To learn more Visit the zSeries World Wide Web site at ibm.com/eserver/ zseries or call IBM DIRECT at 1 800 IBM-CALL in the U.S. and Canada. Australia 132 426 Austria 0660.5109 Belgium 02-225.33.33 Brazil 0800-111426 China (20) 8755 3828 France...
Page 94 01/05 All Rights Reserved References in this publication to IBM products or services do not imply that IBM intends to make them available in every country in which IBM operates. Consult your local IBM business contact for information on the products, features, and services available in your area.

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