IBM z/OS Manuel d'utilisateur

August 2004IBM ^ zSeries 990 and z/OSReference Guide

10The z990 offers 4 models, the A08, B16, C24 and D32, which can be confi gured to give customers a highly scal-able solution to meet the needs of both

11Although CBU and On/Off Capacity on Demand can both reside on the server, the activation of On/Off Capacity on Demand is mutually exclusive with Cap

12The performance design of the z/Architecture enables the entire server to support a new standard of performance for applications through expanding u

13• Comparing a 16-way z900 Model 216 to a z990 model with sixteen CPs enabled, it is estimated that the z990 model has 1.45 to 1.53 times the capaci

14z990 Logical Channel SubSystems (LCSSs) and support for greater than 15 Logical Partitions (LP)In order to provide the increased channel connectivit

15Logical Channel SubSystem (LCSS) SpanningThe concept of spanning channels provides the ability for a channel to be confi gured to multiple LCSSs and

16channels are enabled on these existing features via a License Internal Code (LIC) with a new mode of operation and new CHPID defi nition. FCP is avai

17Fibre Channel ConnectivityThe on demand operating environment requires fast data access, continuous data availability, and improved fl ex-ibility all

18links defi ned on the FICON Express SX channel cards are up to 500 meters (1,640 feet) and 250 meters (820 feet) for 50 and 62.5 micron multimode fi b

19Wave Division Multiplexor and Optical Amplifi ers that sup-port 2 Gbps FICON Express links are: Cisco Systems ONS 15530 and 15540 ESP (LX, SX) and op

2Table of Contentsz/Architecture page 5IBM ~ zSeries 990 page 6z990 Family Models page 10z990 and z900 Performance Comparison page 12z990 I/O SubSy

20FICON cascaded directors have the added value of high integrity connectivity. New integrity features introduced within the FICON Express channel and

21FCP Full fabric connectivityFCP full fabric support means that any number of (single vendor) FCP directors/ switches can be placed between the serve

22z990 OSA-Express 1000BASE-T EthernetThe new OSA-Express 1000BASE-T Ethernet feature replaces the current Fast Ethernet (10/100 Mbps) feature. This n

23Queued Direct Input/Output (QDIO)The OSA-Express Gigabit Ethernet, 1000BASE-T Ethernet and Token-Ring features support QDIO (CHPID type OSD), which

24NON-QDIO operational modeThe OSA-Express 1000BASE-T Ethernet, Fast Ethernet and Token-Ring also support the non-QDIO mode of operation (CHPID type O

25LPAR Support of OSA-ExpressFor z990 customers or customers who use the Processor Resource/Systems Manager (PR/SM) capabilities IBM offers the Multip

26HiperSockets, a function unique to the zSeries, provides a “TCP/IP network in the server” that allows high-speed any-to-any connectivity among virtu

27This support gives the user the fl exibility to optimize and tune each HiperSockets to the predominant traffi c profi le, for example to distinguish be

28In the on demand era security will be a strong requirement. The zSeries products will continue to address security with announcements and deliveries

29a method for key identifi cation, exchange, separation, update, backup, and management. The TKE worksta-tion and 4.0 code level are designed to provi

3zSeries OverviewTechnology has always accelerated the pace of change. New technologies enable new ways of doing business, shifting markets, changing

30The z990 supports concurrent memory upgrade. This capa-bility will allow a processor’s memory to be increased with-out disrupting the processor oper

31the processors in the takeover site to acquire processing power required to restart mission-critical production work-loads. GDPS-CBU management help

32• Cryptographic Cards: The PCIXCC and PCICA cards plug in the I/O cage and can be added or replaced con-currently with system operation.• Redundan

33Although there is a signifi cant value in a single footprint and multi-footprint environment with resource sharing, those customers looking for high

34• Dynamic ICF Expansion: Dynamic ICF expansion pro-vides value by providing extra CF capacity when there are unexpected peaks in the workload or in

35Customers who are interested in testing and/or deploy-ing System-Managed CF Structure Duplexing in their sysplex should review GM13-0103, System-Man

36the options to be considered is locating one of the Sysplex Timers in an intermediary site that is less than 40 km from one of the two sites (as can

37• ICB-3. The Integrated Cluster Bus-3 is used to provide high-speed coupling communication between a z990 server or CF and a z800/z900 server or CF

38LPAR CPU Management LPAR CPU Management allows WLM working in goal mode to manage the processor weighting and logical processors across an LPAR clu

39On a z990, the scope of Channel Subsystem I/O Priority Queuing is a Logical Channel SubSystem.Channel Subsystem Priority Queuing complements the IBM

4The variable data center needs to be able to respond to the ever-changing demands that occur when you sup-port multiple diverse workloads as a single

40On the other hand, the GDPS solution based on Extended Remote Copy (XRC), referred to as GDPS/XRC, has the attributes of a Disaster Recovery solutio

41unplanned HyperSwap capability lays the foundation for continuous availability, even in the event of a complete site failure. In the event of a comp

42GDPS/PPRC management for open systems LUNs (Logi-cal Unit Numbers): GDPS/PPRC technology has been extended to manage a heterogeneous environment of

43of Sysplex Timers in an Expanded Availability confi gura-tion remains at 40 km (25 miles). Therefore, to achieve the extended distance of up to 100 k

44Automatic Enablement of CBU for Geographically Dispersed Parallel Sysplex The intent of the GDPS (CBU) is to enable automatic man-agement of the res

45Continuous Availability Recommended Confi guration for Parallel Sysplex Note: z990 will attach to 9037-001 or 9037-002. Service for 9037-001 will be

46Linux on zSeriesLinux and zSeries are a great team. Linux has the same appearance and application programming interfaces no matter what platform it

47– WebSphere Application Server Advanced Edition Version 3.5– WebSphere Commerce Business Edition Version 5.4– WebSphere Host On-Demand Version 7.

48Linux Distribution Partners• SUSE LINUX Product Information at suse.de/en/produkte/susesoft/S390/• Turbolinux Product Information at turbolinu

49Two important networking technology advancements are announced in z/VM 4.4 and Linux on z990:• The high performance adapter interrupt handling fi rs

5z/ArchitectureThe zSeries is based on the z/Architecture™, which is designed to reduce bottlenecks associated with the lack of addressable memory and

50Cryptographic Support for LinuxLinux on zSeries running on standard z990, z900, and z800 engines is capable of exploiting the hardware cryp-tographi

51Processor Unit Assignments Model Min. PU* Max. PU SAP Standard Spares Standard A08** 1 8

52z990 Frame and I/O Confi guration Content: Planning for I/OThe following diagrams show the capability and fl exibility built into the I/O subsystem. A

53Channels and channel adapters no longer supported on z990The following channels and/or channel adapters are no longer supported:• Parallel channels

54 CF Level Function 13 Protocol used with fi ber channel expected to be more effi cient than ESCON

55zSeries fi ber cabling now offers three options to address a solution for your fi ber cable installation. Enterprise fi ber cabling offers two addition

56While zSeries servers are supported by a number of dif-ferent operating systems, their most advanced features are powered by z/OS. z/OS is the found

57• Software pricing models designed to support on demand realityz/OS 1.6 is the fi rst release of z/OS that requires the z/Architecture. This release

58The 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

59The msys for setup dialogs use defaults and best prac-tices values whenever possible and derive low-level values from answers to high-level question

6 Operating System ESA/390 z/Arch Compati Exploita (31-bit)

60WLM Improvements for WebSpherez/OS 1.5 can simplify WLM control for WebSphere. Customers now have the choice to manually defi ne WebSphere applicatio

61availability. This form of clustering, known as single system image, also provides tremendous scale. Up to 32 zSeries servers with z/OS can appear a

62z/OS provides systems management functions and fea-tures to manage not only host resources, but also distrib-uted systems resources. These capabilit

63Advanced System AutomationThe unique and rich functions of IBM Tivoli System Auto-mation for OS/390 (SA OS/390) Version 2.2 (separately orderable) c

64With one command, a security administrator can update remote RACF databases without logging on to remote sys-tems. Throughout the enterprise, RACF c

65z/OS SSL support includes the ability for applications to create multiple SSL environments within a single process. An application can now modify en

66• Support for IPv6 and 64-bit addressing • Peer-to-peer replication provides failover support for server availability. If a primary master server

67Network Authentication Service• Network Authentication Service provides authentica-tion, delegation and data confi dentiality services which are int

68C/C++ IBM Open Class® Library: As previously announced in Software Announcement 203-131, dated May 13, 2003, the application development support (th

69REXX Functionsz/OS 1.4 extends the REXX language on z/OS when used in a UNIX System Services zSeries REXX environment. It includes functions for sta

7The new IBM ^ zSeries Application Assist Processor (zAAP), planned to be available on the IBM ^ zSeries 990 (z990) and zSeries 890 (z890) serv-ers, i

70z/OS supports Enterprise Identity Mapping (EIM). EIM defi nes a user’s security context that is consistent through-out an enterprise, regardless of t

71• Separate address space for TN3270 servers• TCP/IP Sysplex health monitoring Network Services benefi ts can include:• Function for on demand Inter

72• More fi le descriptors per UNIX process are provided in z/OS 1.6, which supports up to 64K per process.• Additional support for 64-bit programmin

73• Addition of ISHELL support for zFS.• Ability to perform I/O operations in parallel for a zFS aggregate that spans multiple DASD volumes. This is

74Print Servicesz/OS Version 1 Release 6 optional priced featuresInfoprint® Server– IP PrintWay™– NetSpool™– z/OS Print InterfaceInfoprint Server prov

75• Data stream transforms let you print AFP™ applications on printers using PCL, PostScript or PDF. You can also print PCL, PostScript and PDF outpu

76Installation ConsiderationsCustomPac is a suite of services designed to help you effi ciently install, migrate and maintain a z/OS system. It can als

77This consistent coexistence, migration and fallback policy applies to release migrations for:• Single system confi gurations• Individual systems wi

78Wizardsz/OS wizards are available on the Internet to help to set up some of the z/OS functions. These wizards are interac-tive assistants that ask a

79The infrastructure for e-business on demand™ environ-ments can be deployed with visionary technology on z/VM, including advanced virtualization, sup

8To support the new scalability of the z990 a new improve-ment to the I/O Subsystem has been introduced to “break the barrier” of 256 channels per Cen

80Additional enhancements in z/VM V3 include:• Native FlashCopy for Enterprise Storage Server (ESS) for high-speed data copy• Guest support enhancem

81– an interface to dynamically change users in work-loads, workload characteristics, and goals – more fl exibility using the VMRM confi guration fi le

82can help simplify migration from one release to another, facilitate the transition to newer applications, provide a test system whenever one is need

83– post-processing of Performance Toolkit for VM history fi les and of VM monitor data captured by the MON-WRITE utility– viewing of performance mon

84The guest LAN support provided in z/VM V4.2 simulates the HiperSockets function for communication among virtual machines without the need for real I

85z/VM Version 5 (V5)z/VM Version 5 Release 1 (V5.1) continues the evolution of its premier and world-class zSeries virtualization technology with a n

86• PCIX Cryptographic Coprocessor (PCIXCC) support provides z/OS and Linux guest support for the PCIXCC Feature available with the z990 and z890 sev

87• IPv6 support for guest LANs has been enhanced to allow the z/VM TCP/IP stack to be confi gured for IPv6 networks connected through OSA-Express ope

88Copyright IBM Corporation 2004Integrated Marketing Communications, Server GroupRoute 100Somers, NY 10589U.S.A.Produced in the United States of Ameri

9Each book can support up to 64 GB of Memory, delivered on two memory cards, and 12 STIs giving a total of 256 GB of memory and 48 STIs on the D32 mod