IBM ^ zSeries 890 and z/OS Reference Guide January 2005
Table of Contents z/Architecture page 5 IBM ~ zSeries 990 page 6 z890 Family Models page 10 z890 and z900 Performance Comparison page 13 z890 I/O SubSystem page 14 z890 Channels and I/O Connectivity page 16 Fibre Channel Connectivity page 18 A New Generation for SANs – FICON Express2 page 22 A New Generation of zSeries LAN Adapters Open Systems Adapter-Express2 page 24 Open Systems Adapter-Express Features (OSA-Express) page 27 HiperSockets page 31 Cryptography page 33 Availability
• Resilient: It can handle the ups and downs of the global zSeries Overview market, and manage changes and threats with consis- Technology has always accelerated the pace of change. New technologies enable new ways of doing business, tent availability, security and privacy – around the world, shifting markets, changing customer expectations, redefin- around the clock. ing business models.
The variable data center needs to be able to respond to The New zSeries from IBM the ever changing demands that occur when you sup- IBM’s ongoing investment in zSeries technology produced port multiple diverse workloads as a single entity. It must a re-invention of the zSeries server — the z990 which was respond to maintain the quality of service required and the developed at a cost in excess of $1 Billion.
z/Architecture • 64-bit operands and general registers are used for all The zSeries is based on the z/Architecture™, which is Cryptographic instructions designed to reduce bottlenecks associated with the lack of • The implementation of 64-bit z/Architecture can help addressable memory and automatically directs resources reduce problems associated with lack of addressable to priority work through Intelligent Resource Director (IRD).
IBM ^ zSeries 890 IBM ^ zSeries is the enterprise class e-business Operating System ® ESA/390 z/Arch (31-bit) (64-bit) Compati Exploita bility tion server optimized for integration, transactions and data 3 No of the next generation e-business world. In implement- OS/390 2.10 (support ended) Yes Yes Yes z/OS 1.2 (support ended) No Yes Yes3 No ing the z/Architecture with new technology solutions, the 3 z/OS and z/OS.e 1.
e-business Java workloads on the same server as your model designation. Conceptually, zAAPs are very similar to database, helping to simplify and reduce the infrastructure a System Assist Processor (SAP); they cannot execute an required for Web applications while helping to lower your Initial Program Load and only assist the general purpose overall total cost of ownership. CPs for the execution of Java programming. Moreover, IBM does not impose software charges on zAAP capacity.
As with the z990, an improvement to the I/O subsystem MultiChip module. The differences are minor. With fewer has been introduced on the z890 to “break the barrier” functional processors and a slower cycle time less power of the 256 CHPIDs per Channel Subsystem. Horizontal is required for the z890 MCM enabling air cooling.
ups and operations. Any unused PUs can be utilized as (CUoD), Customer Initiated Upgrades (CIU), and the ability spares. The inactive PUs on the MCM are available to be to add CPs, ICFs, IFLs and zAAPs dynamically provid- characterized as either Central Processors (CPs), Internal ing nondisruptive upgrade of processing capability.
z890 Family Models z890 Performance Comparison The z890 offers a single model, the A04 and supports a wide performance range from sub uni models up to a 4way multiprocessor. The z890 offers 7 general purpose CP sizes (1 full performance plus 6 sub uni's). Each engine size is available in 2-way, 3-way and 4-way multiprocessors. Seven engine sizes across 4 engines gives outstanding capacity granularity over the 28 capacity settings.
IFL or ICF is installed on the permanent machine with the Although the hardware upgrade does not need a POR/ restrictions that a) additional engines, of each type, cannot IML if there is a change in engine size, a z/OS IPL will be exceed the number of installed permanent engines of required. that same type and b) adding engines cannot exceed the On/Off CoD is delivered through the Customer Initiated physical limit of the installed machine. Upgrade (CIU) facility.
Although Capacity BackUp (CBU) and On/Off Capacity an On/Off CoD order. On/Off CoD tests which do exceed on Demand can both reside on the server, the activation 24 hours in duration will be treated in their entirety as bill- of On/Off Capacity on Demand is mutually exclusive with able On/Off CoD upgrades. In addition to validating the CBU and no physical hardware upgrade will be supported On/Off CoD function within your environment, you may while On/Off Capacity on Demand is active.
z890 Performance Comparisons The IBM z890 is the latest member of the zSeries family. performance levels, z890 offers from 1-4 Central Proces- The design of the z890 is a continuation of the major sors each with 7 different “dial points” (28 choices in all) change in the direction of the zSeries platform started with and resource management within the system, it is expected the IBM ^ zSeries 990.
z890 I/O Subsystem MSUs and SRM constants. The z990 default mixed work- The z890 contains an I/O subsystem infrastructure which load will be composed of equal amounts of five workloads, uses an I/O cage that provides 28 I/O slots. Each I/O Trade2-EJB, WEB/CICS/DB2, IMS, CB84 and CBW2.
z890 Logical Channel SubSystems (LCSSs) and support for feature in the I/O cage. CHPID numbers are no longer pre- Greater than 15 Logical Partitions (LPARs) assigned and it is now a customer responsibility to do this The z890 I/O subsystem is a breakthrough in connectivity assignment via IOCP/HCD. CHPID assignment is done by by providing up to 2 LCSS per server, and each LCSS can associating a CHPID number with a physical location, the support up to 256 CHPIDs when exploitation software is PCHID.
z890 Channels and I/O Connectivity Normal Multiple Image Facility (MIF) sharing of a chan- A z890 has a total of 28 I/O slots in one I/O cage. These nel is confined to a single LCSS. The z890 supports the slots can be plugged with a mixture of cards providing spanning of the channels types: IC, HiperSockets, FICON the I/O connectivity, networking connectivity, coupling and Express, FICON Express2, OSA-Express, OSA-Express2, cryptographic capability of the server. ISC-3s and ICBs (ICB-3 and ICB-4).
long wavelength (LX) and short wavelength (SX) features, peer mode up to an unrepeated distance of 10 km (6.2 miles). though the LX and SX cannot be intermixed on a single The mode is selected for each link via the CHPID type in the feature. Note, the maximum quantity of FICON Express, IOCDS. ISC-3 links are ordered in increments of one. It is rec- OSA-Express, PCICA, and PCIXCC features in combina- ommended that an initial order for ISC-3 include two links.
Fibre Channel Connectivity The on demand operating environment requires fast data and 256 (resell of the CNT (FC/9000 Directors) are 64-, access, continuous data availability, and improved flexibil- 128- and 256-port high availability directors. All have fea- ity all with lower cost of ownership. zSeries Fibre Channel tures that provide interface support to allow the unit to be Connectivity can help you achieve these goals. managed by System Automation for OS/390.
is the case with ESCON), but will also support multiple high availability, extended distance connectivity, and (par- device definitions. For example, ESCON channels that are ticularly with the implementation of 2 Gbps Inter Switch dedicated as CTC cannot communicate with any other Links), has the potential for fiber infrastructure cost sav- device, whereas native FICON (FC) channels are not dedi- ings by reducing the number of channels for interconnect- cated to CTC only.
attachability means that customers have more choices resources and infrastructure. Further savings may be real- for new storage solutions, or may have the ability to use ized in the reduction of the number of fiber optic cabling existing storage devices, thus helping to leverage exist- and director ports. ing investments and lower total cost of ownership for their When configured as FCP CHPID type, the z890 FICON Linux implementation.
image. A system configuration using FCP LUN Access It is expected that the Configuration Utility will be pro- Control may significantly reduce the number of FCP chan- vided for download by registered users via Resource Link: nels (FICON Express features) that are needed to provide ibm.com/servers/resourcelink/. controlled access to the data on FCP SCSI devices.
A New Generation for SANs – FICON Express2 FICON Express2 offers new packaging with increased FICON Express2 LX connectivity in the same amount of physical space. • The unrepeated distance between FICON Express2 LX channels is limited to 10 kilometers (6.2 miles). If greater Increased performance is also possible with FICON Express2. This refresh of technology can help to satisfy distances are desired, an RPQ request should be sub- your server consolidation connectivity requirements, and mitted.
Concurrent Update FICON Express2 Replaces FICON Express on z890 The FICON Express2 SX and LX features may be added FICON Express2 SX and LX (#3320, #3319) replace the to an existing z890 concurrently. This concurrent update FICON Express SX and LX features (#2320, #2319) cur- capability allows you to continue to run workloads through rently offered on z890.
A New Generation of zSeries LAN Adapters Open Systems Adapter-Express2 A new generation of zSeries LAN adapters is being deliv- • Concurrent LIC update ered, as well as a 10 Gigabit Ethernet feature. This update of • Layer 2 technology, referred to as OSA-Express2, can help to satisfy OSA-Express2 Gigabit Ethernet (GbE) operates in QDIO the bandwidth demands of your applications.
• 640 TCP/IP stacks Large send for TCP/IP traffic • Concurrent LIC update Large send, also referred to as TCP segmentation offload, • SC Duplex connector is designed to improve performance by offloading TCP • Single mode fiber (9 micron) packet processing from the z890 and z990 servers to the • An unrepeated distance of up to 10 km (6.2 miles) OSA-Express2 features.
OSA-Express2 concurrent LIC update – an availability VLAN identification7, and/or the Ethernet destination MAC enhancement address. This filtering can help reduce both the amount of The OSA-Express2 features have increased memory inbound traffic being processed by the operating system, in comparison to the OSA-Express features and are and z890 or z990 CPU requirements.
Open Systems Adapter-Express Features (OSA-Express) With the introduction of the z890, the OSA-Express z890 OSA-Express 1000BASE-T Ethernet Adapter family of Local Area Network (LAN) features is The new OSA-Express 1000BASE-T Ethernet feature offering a maximum of 20 features per system, versus replaces the current Fast Ethernet (10/100 Mbps) feature.
The new Checksum offload support on the 1000BASE-T Queued Direct Input/Output (QDIO) Ethernet feature, when operating in QDIO mode at gigabit The OSA-Express Gigabit Ethernet, 1000BASE-T Ethernet speed, is designed to offload z/OS 1.5 and Linux TCP/IP and Token-Ring features support QDIO. QDIO was first stack processing of Checksum packet headers for TCP/IP introduced to the world on the z900, in Communication and UDP. Server for OS/390 2.7.
z890 OSA-Express Token-Ring QDIO Mode - TCP/IP The same OSA-Express Token-Ring feature is supported pSeries, RS/6000 on z890, z800, z990 and z900. This Token-Ring supports Gigabit Ethernet (fiber or copper) a range of speed including 4, 16 and 100 Mbps, and can xSeries, Netfinity Switch / Router Gigabit Ethernet (fiber or copper) operate in both QDIO and non-QDIO modes.
Note: OSA-Express 155 ATM and OSA-2 FDDI are no IPv6 Support longer supported. If ATM or FDDI support are still required, IPv6 requires the use of an OSA-Express adapter running a multiprotocol switch or router with the appropriate net- in QDIO mode and is supported only on OSA-Express work interface for example, 1000BASE-T Ethernet, GbE LX features on zSeries at driver level 3G or above.
HiperSockets offload). Large send can improve performance by offload- HiperSockets, a feature unique to the zSeries, provides a ing outbound TCP segmentation processing from the host “TCP/IP network in the server” that allows high-speed any- to OSA-Express2 by employing a more efficient memory to-any connectivity among virtual servers (TCP/IP images) transfer into OSA-Express2.
z/VM LPAR 1 z/OS Linux z/VM Linux Linux LPAR 14 LPAR 15 LPAR 17 LPAR 18 LPAR 30 This support gives the user the flexibility to optimize and tune each HiperSockets to the predominant traffic profile, for example to distinguish between “high bandwidth” workloads such as FTP versus lower bandwidth interactive LCSS0 LCSS1 workloads.
Cryptography HiperSockets broadcast support for IPv4 packets – Linux, In the on demand era, security will be a strong require- z/OS, z/VM: Internet Protocol Version 4 (IPv4) broadcast ment. The zSeries products will continue to address secu- packets are now supported over HiperSockets internal LANs. rity with announcements and deliveries of products and TCP/IP applications that support IPv4 broadcast, such features.
and microcode design will support almost all of the past a method for key identification, exchange, separation, Cryptographic functions that were provided on the zSeries update, backup, and management. The TKE workstation 800 and 900 via the CMOS Cryptographic Coprocessor and 4.0 code level are designed to provide a security-rich, (CCF) and the PCI Cryptographic Coprocessor (PCICC).
A third generation Cryptographic feature – Crypto Express2 • Functions previously supported by the PCICA and Crypto Express2 features support for on demand business PCIXCC features offered on z890 and z990 including: in a security-rich environment.
Enabling use of less than 512-bit keys for clear key RSA – A mixture of both secure and clear key applications can run on the same Crypto Express2 feature operations – Based on the increased throughput, the ability to con- The Crypto Express2 and PCIXCC features will now sup- solidate both secure key and clear key crypto work- port applications that require clear key RSA operations loads and I/O slots on the same feature using keys less than 512-bits, including ICSF Callable services and their corre
2048-bit key RSA management support for the PCICC fea- For example, the smart card is able to store one or more tures on z800 and z900 is transparent to the hardware and 4758 PCI Cryptographic Coprocessor master key parts. is supported by z/OS, z/OS.e, z/VM, and Linux on zSeries. The parts are stored in the “clear” on the smart card. The z/VM and Linux on zSeries offer support for clear key oper- master key parts are generated by the 4758 PCI Crypto- ations only.
Availability z890 Capacity Upgrade on Demand (CUoD) The z890 supports concurrent memory upgrade. This capa- Capacity Upgrade on Demand allows for the nondisruptive bility will allow a processor’s memory to be increased without addition of additional Central Processor (CP) Capacity, disrupting the processor operation.
needs of the larger CBU target machine. When capacity is IBM Resource Link. Customers will be able to download needed in an emergency, the primary operation performed and apply the upgrade using functions on the Hardware is activating the emergency CBU configuration with the Management Console via the Remote Support Facility. reserved PUs added into the configuration as CPs.
Advanced Availability Functions Transparent Sparing • Cryptographic Cards: The PCIXCC and PCICA cards z890 offers a 5 PU MCM in the case of processor failure. If plug in the I/O cage and can be added or replaced there is a spare PU available it will be used for transparent concurrently with system operation. sparing. Note this can only be achieved on 1-way, 2-way • Redundant Cage Controllers: The Power and Service and 3-way models.
Parallel Sysplex Cluster Technology Sparing for Storage Protect Keys: The robust configuration Parallel Sysplex clustering was designed to bring the of the Storage Protect Keys has been enhanced with chip power of parallel processing to business-critical zSeries sparing. Already a triple-array with parity protection and and S/390 applications.
Although there is a significant value in a single footprint An ICF feature is a processor that can only run Coupling and multi-footprint environment with resource sharing, Facility Control Code (CFCC) in a partition. Since CF those customers looking for high availability must move LPARs on ICFs are restricted to running only CFCC, on to a database data sharing configuration. With the there are no IBM software charges associated with ICFs.
– ICF Expansion into shared CPs. A CF partition running • Reliability with dedicated ICFs needing processing capacity A common framework provides less effort on behalf of beyond what is available with the dedicated CP ICFs, the exploiters, resulting in more reliable subsystem code. can “grow” into the shared pool of application CPs • Cost Benefits being used to execute zSeries applications on the Facilitates the use of non-standalone CFs (e.g. ICFs) for same server.
Parallel Sysplex Coupling Connectivity GDPS/PPRC Cross Site Parallel Sysplex distance Extended to The Coupling Facilities communicate with z/OS images 100 km in the Parallel Sysplex environment over specialized When using a Dense Wave Division Multiplexer (DWDM), high-speed links.
Connectivity Options z890 ISC-3 G5/G6 ISC 1 Gbps Compatibility n/a n/a z800/z900 ISC-3 2 Gbps Peer Mode n/a n/a z890/z990 ISC-3 2 Gbps Peer Mode n/a n/a G5/G6 ICB n/a n/a n/a z890 ICB-3 are activated in one port increments. The z890 supports z890 ICB-4 a maximum of 48 links (12 features, 4 links per feature). Note: A maximum of 32 ISC-3s can be defined in Compatibility Mode. • ISC-2. HiPerLinks. HiPerLinks, based on single-mode CF links, are available on 9672s (G3 - G6) and 9674s only.
• IC. The Internal Coupling channel emulates the Coupling IRD has three major functions: LPAR CPU Management, links providing connectivity between images within Dynamic Channel Path Management, and Channel Sub- a single server. No hardware is required, however a system Priority Queuing. minimum of 2 CHPID numbers must be defined in the IOCDS. IC links provide the fastest Parallel Sysplex con- zSeries IRD Scope nectivity. The z890 supports up to a maximum of 32 ICs.
devices. With z/OS and the zSeries, paths may be dynami- Channel Subsystem Priority Queuing provides two advan- cally assigned to control units to reflect the I/O load. For tages.
capacity planning and application stress testing. For more Copy (XRC), referred to as GDPS/XRC, has the attributes information on Parallel Sysplex Professional Services, visit of a Disaster Recovery solution. XRC is a combined hard- IBM’s Web site at ibm.com/servers/eserver/zseries/pso/ ware and software asynchronous remote copy solution. services.html. The application I/O is signaled completed when the data update to the primary storage is completed.
GPDS/PPRC HyperSwap™ needs to be restarted. An improvement in the Recovery The GDPS/PPRC HyperSwap function is designed to Time Objective (RTO) can be accomplished. broaden the continuous availability attributes of GDPS/ With the release of GDPS/PPRC V3.2, the HyperSwap PPRC by extending the Parallel Sysplex redundancy to function was enhanced to exploit the PPRC Failover/ disk subsystems. The HyperSwap function is enabled to Failback function.
GDPS/PPRC and GDPS/XRC FlashCopy Support LSS to a target in a different LSS within the same disk sub- FlashCopy is a point-in-time copy technology that allows system. This new flexibility can help simplify administration point-in-time copies of disk volumes to be made very and capacity planning for FlashCopy. quickly, with the copies immediately available for read or write access.
This innovative disaster recovery solution requires GDPS, Using asynchronous technology, Global Mirror operates IBM Tivoli System Automation for Multiplatforms, Linux on over high-speed communication links and is designed to zSeries, and z/VM 5.
GDPS is discussed in a white paper available at ibm.com/ Continuous Availability Recommended Configuration for Parallel server/eserver/zseries/pso/library.html. GDPS is a service Sysplex offering of IBM Global Services. For IBM Installation Ser- Dedicated (External) Coupling Facility vices for GDPS, refer to the IBM Web site.
z890 Support for Linux Key attributes can include Linux on zSeries • No single point of failure Linux and zSeries are a great team. Linux has the same • Fast, automatic recovery appearance and application programming interfaces no – CF: rebuild in surviving CF matter what platform it is running on, since it is designed – CEC, z/OS, OS/390: restart subsystems on surviving to be platform-independent.
The support is implemented using an internal communica- – WebSphere Host On-Demand Version 7.0 and 6.0 tions method – SCLP – which enables the operating system – WebSphere MQ Everyplace Version 2.0 and 1.2 to communicate with the HMC. The software support was – WebSphere MQ Version 5.3 made available in z/VM Version 4 Release 4. An update – WebSphere Personalization Server for Multiplatforms Version 4.
– Tivoli NetView for z/OS Version 5.1 high-speed communications. While benefiting from the – Tivoli Remote Control Version 3.8 reliability, availability and serviceability of IBM ^ – Tivoli Risk Manager Version 4.1 and 3.8 zSeries servers, both z/VM V4 and V5 offers an ideal – Tivoli Software Distribution Version 4.0 platform for consolidating Linux workloads on a single – Tivoli Storage Manager Versions 5.1.5 and 5.
OSA-Express Enhancements for Linux HiperSockets A new function, Checksum Offload, offered for the new HiperSockets can be used for communication between OSA-Express GbE and 1000BASE-T Ethernet features, Linux images and Linux or z/OS images, whether Linux is is being introduced for the Linux on zSeries and z/OS running in an IFL LPAR, natively or under z/VM. environments.
via www.software.ibm.com/developerworks/opensource/ Network devices linux390/index.shtm. IBM is working with its distribution • Virtual CTC partners to provide these functions in future distribution • ESCON CTC releases.
zSeries 890 Family Configuration Detail Processor Unit Assignments Maximum of 512 CHPIDs; One I/O cages: 28 I/O slots Per System Feature Minimum Maximum Maximum Features I/O Slots Connections used by Features Ports/ Purchase Channels/ Increments Increments per Feature ESCON, 16 port 01 28 420 channels 16 channels2 4 channels3 FICON Express2 01 204 80 channels 4 channels 1 feature STI-35 ICB-3 link 0 01 8 N/A N/A 16 links6 2 outputs N/A N/A 1 link ICB-4 link 01 N/A7 8 links6 N/A 1
General Information: Cryptographic Features • ESCON configured in 4-port increments. Up to 28 chanPCICA1, 2 PCIXCC2 Minimum 0 0 Maximum 23 44 nels in 2 cards, 60 channels in 4 cards, 88 channels in 6 cards, etc. up to a maximum 420 channels on 28 cards • OSA-Express/OSA-Express2 can be Gigabit Ethernet, 1. Max two PCICA features per system 2. Max eight PCICA and PCIXCC features per system 3. Two accelerator cards per PCICA feature 4.
Physical Characteristics Coupling Facility — CF Level of Support CF Level z890 Power/Heating/Cooling System Power Consumption (50/60 Hz, KVA) Model / Config 1 I/O Cage A04 1.5 - 4.
Fiber-Optic Cabling and System Connectivity zSeries fiber cabling options: In the world of open systems and Storage Area Networks • Fiber-optic jumper cabling package (SANs), the changing requirements for fiber-optic cabling will analyze your zSeries channel configuration and your are directly related to the system hardware configuration.
z/OS Fiber Quick Connect (FQC): FQC, a zSeries configuration While zSeries servers are supported by a number of dif- option, helps reduce the cable bulk associated with the ferent operating systems, their most advanced features installation of potentially 240 (z800) to 256 (z900) to 420 are powered by z/OS. z/OS is the foundation for the future (z890/z990) ESCON channels in one I/O cage.
This integrated set of system services in z/OS can help a and reliability. In addition, z/OS.e invokes zSeries hard- customer to focus on extracting the maximum business ware functionality just as z/OS does. No new z/OS skills value from the z/OS installation. The system manages the and service procedures are required for z/OS.e. workload, program libraries and I/O devices. Complexities z/OS.
goals, WLM can adjust processor capacity, channel paths, execute Java programming under control of the IBM Java and I/O requests across LPARs without human intervention. Virtual Machine (JVM). This can help reduce the demands and capacity requirements on general purpose proces- IRD assigns resources to the application; the applica- sors which may then be available for reallocation to other tion is not assigned to the resource. This capability of a zSeries workloads.
Applications that can be written to 64-bit virtual storage Also, with z/OS 1.5 msys for Setup can use the IBM Direc- have significantly larger addressability to data. With z/OS tory Server, OpenLDAP, on any IBM platform including 1.2, assembler programs can obtain virtual storage above OpenLDAP on z/OS UNIX® System Services. This can sim- 2 GB for storing and manipulating data. This 64-bit support plify the initialization of msys for setup, and can make the is used by DB2 V8 and other middleware.
BCP includes the I/O configuration program (IOCP), the Data Management with DFSMS workload manager (WLM), systems management facilities DFSMS comprises a suite of related data and storage (SMF), the z/OS UNIX Systems Services kernel, and sup- management functions for the z/OS system. DFSMSdfp is port for Unicode. a base element of z/OS which performs the essential data, storage and device management functions of z/OS.
z/OS 1.5 can help significantly enhance application System-Managed CF Structure Duplexing backup with enhancements to DFSMShsm to utilize System-Managed Coupling Facility (CF) Structure Duplex- volume level fast replication. The fast backup is designed ing is designed to significantly enhance Parallel Sysplex to exploit FlashCopy and the virtual concurrent copy capa- availability.
System Management Services z/OS msys for Operations is a base element in z/OS 1.2 that incorporates automation technology into z/OS. It pro- z/OS Version 1 Release 6 base elements and components vides self-healing attributes for some critical system and HCD SMP/E V3 Managed System Infrastructure for Setup Managed System Infrastructure for Operations sysplex resources and can simplify the day-to-day operation of a single z/OS image or of a Parallel Sysplex cluster.
SMP/E Security Services SMP/E provides the ability to install software products z/OS Version 1 Release 6 base elements and components and service either from DASD or tape, or directly from a Integrated Security Services include: - Public Key Infrastructure Services - DCE Security Server - Open Cryptographic Enhanced Plug-ins - Firewall Technologies - LDAP Services - Network Authentification Service - Enterprise Identity Mapping network source, such as the Internet.
• RACF facilitates enterprise password synchronization Once a user is authenticated, RACF and the resource managers control the interaction between that user through RACF password enveloping and notification of and the objects it tries to gain access to. These objects password changes using z/OS LDAP • Improved user accountability through RACF’s enforce- include: commands, datasets, programs, tape volumes, ment of unique z/OS UNIX UIDs and GIDs terminals and objects that you define.
z/OS SSL support includes the ability for applications to LDAP create multiple SSL environments within a single process. z/OS provides industry-standard Lightweight Directory Pro- An application can now modify environment attributes tocol (LDAP) services supporting thousands of concurrent without terminating any SSL sessions already underway. clients. Client access to information in multiple directories • IPv6 Support: This support allows System SSL to be is supported with the LDAP protocol.
signatures, and the management of cryptographic keys. Firewall These functions are provided via APIs intended to deliver • Firewall Technologies provide sysplex-wide Security the highly scalable and available security features of z/OS Association Support: This function is designed to enable and the zSeries servers.
Application Enablement Services • Enhanced ASCII support provides the ability to produce code that contains ASCII string literals and character z/OS Version 1 Release 6 base elements constants. This allows ASCII dependent logic to con- Language Environment2 Run-Time Library Extensions tinue working on ASCII platforms, thus eliminating the need to find all such places in the code and converting z/OS Version 1 Release 6 optional priced features them to EBCDIC when porting UNIX applications to z/OS.
Java Unicode SDK for z/OS, Java 2 Technology Edition, 1.4 provides a z/OS provides Unicode Callable System Services – code full-function Software Development Kit (SDK) at the Java page and case conversions from EBCDIC to Unicode: 2 technology level, compliant with the Sun SDK 1.4 APIs. • DB2 V7 is the first exploiter With SDK for z/OS, Java 2 Technology Edition, V1.
Dynamic Virtual IP Address Takeover can eliminate the need for separate Cisco LocalDirector VIPA represents an IP address that is not tied to a specific machines in the network and the need for MNLB work- hardware adapter address. The benefit can be that if an load agents to be run on the zSeries servers.
HiperSockets • Separate address space for TN3270 servers • HiperSockets, introduced in z/OS 1.2, provides very • TCP/IP Sysplex health monitoring high-speed, low latency TCP/IP data communications Network Services benefits can include: across LPARs resident within the same zSeries server. HiperSockets acts like a TCP/IP network within the server.
cross-network management of data and applications, and UNIX System Services benefits can include: the exploitation of traditional zSeries system strengths in • Development and execution of UNIX applications — an open environment.
– File system quota (maximum file system size). With z/OS to share HFS, zFS, Sequential files and Record Files zFS the file system quota can be increased with a Systems (RFS) such as PDS, PDS/E or VSAM data sets simple administrative command. with Windows workstations. SMB can automatically handle – Can improve failure recovery.
The IBM HTTP Server offers HTTP 1.1 compliance, support IP PrintWay extended mode: Infoprint Central is backed for Java technology, and the ability to manage Internet by a new architecture in the component that delivers print processing through the Workload Manager (WLM). Ben- or e-mail output to printers, servers or users over TCP/IP efits can include: or Internet Printing Protocol (IPP).
• The Print Interface supports print submission from appli- Library Server converts BookManager documents to HTML cations running in UNIX System Services (USS), from for display through a Web browser. Windows users via native Windows SMB, from applications on other servers, and over the Internet using IPP. Library Center • Data stream transforms let you print AFP™ applications IBM is providing an alternative way to navigate our z/OS on printers using PCL, PostScript or PDF.
Installation Considerations z/OS 1.6 is supported on the following IBM servers: CustomPac is a suite of services designed to help you • IBM ^ zSeries 800, 890, 900 and 990 servers (or compatible servers in z/Architecture mode) efficiently install, migrate and maintain a z/OS system. It can also help with migrating and maintaining z/OS systemrelated products and/or third parties’ software vendor Migration/Coexistence products.
The following table describes the migration/coexistence Migration, installation and customization enhancements supported releases. The release shown in column 1 is the For information on migration to the latest z/OS releases, highest release running in a multisystem configuration. see the z/OS Migration Web page ibm.com/zseries/zos/ migration. The publications, z/OS V1.
z/VM Order z/OS through the Internet The infrastructure for on demand environments can be ShopzSeries (formerly SHOPS390) provides an easy way deployed with visionary technology on z/VM, including to plan and order your z/OS ServerPac or CBPDO. It will advanced virtualization, support for open-source soft- analyze your current installation, determine the correct ware, and autonomic computing enhancements.
z/VM Version 3 (V3) • Capability and usability improvements to FTP server for Web browsers z/VM offers a new technology base for customers looking to use IBM Virtual Machine technology on one of the • Reduced load on hosts with support for IP Multicasting industry’s best-of-breed server platform, zSeries.
z/VM provides the capability to account for the use of • Supporting real and virtual integrated 3270 console devices. Real support enables this device, provided by system resources by virtual machines, including those running Linux. Accounting records are produced that track a the Hardware Management Console (HMC) to be used virtual machine’s use of processor, paging, I/O, and virtual as the system operator console.
as z/OS, z/OS.e, OS/390, TPF, VSE/ESA, CMS, and Linux systems, offering an asynchronous cascading solution on zSeries and S/390. The ability to support multiple providing a complete, consistent, and coherent copy of machine images and architectures enables z/VM to run data at a remote site. multiple production and test versions of zSeries and S/390 • Support for IBM TotalStorage Enterprise Tape Controller operating systems, all on the same system.
– viewing of performance monitor data using either Web TCP/IP is designed to support the z/Architecture browsers or PC-based 3270 emulator graphics HiperSockets function for high-speed communication The toolkit also provides the capability to monitor TCP/IP among virtual machines and logical partitions within the for z/VM, as well as to process Linux performance data. same zSeries server.
The guest LAN support provided in z/VM V4.2 simulates user authentication exit has been added that removes prior the HiperSockets function for communication among user ID and password length restrictions and eliminates the virtual machines without the need for real IQD channels, need for every IMAP client to have a VM user ID and pass- much as VM simulates channel-to-channel adapters for word.
Engine-based Value Unit Pricing • z/VM V5.1 includes the capability to install z/VM both from a DVD to an ESS SCSI disk emulated as a FBA z/VM V5 introduced engine-based Value Unit Pricing which device and a 3390 DASD. Installing from a DVD can replaces the per-engine pricing model that is available significantly reduce the required installation media and with z/VM V4 as well as providing a lower entry price.
(virtual images). Although these APIs are primarily for APARs VM63538 and PQ97436, z/VM V5.1 supports intended for managing Linux virtual images, they can be Layer 2 mode for OSA-Express and OSA-Express2. The used to manage many types of z/VM virtual machine. All enhanced virtual switch support provides a new trans- enhancements to the APIs in z/VM V5.1 have been imple- port option to allow the virtual switch to operate in Layer mented using Version 2 (V2) of the RPC server. In addi- 2 mode.
Technology Exploitation (PRF and RealTime Monitor (RTM)) to help manage your • z/VM 5.1 supports the z890 and the z990 including: performance more efficiently.
VSE/ESA VSE/ESA combination of VSE and Linux even more effective), PCICA VSE clients with growing core VSE workloads, growing encryption assist, and OSA-Express adapter interrupts. Linux workloads, or both will find the z890 to be a robust, VSE/ESA 2.6 and 2.7 operate in 31-bit mode in LPARs, or as cost-effective server solution and a unique opportunity to a 31-bit guest under z/VM. Linux for zSeries is available for reduce IT cost though infrastructure simplification.
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.
Endnotes: Copyright IBM Corporation 2005 1) The GbE features support two ports per feature and the 10 GbE feature supports one port per feature. 2) For SNA traffic in QDIO mode use Enterprise Extender or TN3270E. 3) IEEE 802.1q, 4) When the OSA-Express2 GbE features become available, the OSAExpress Gigabit Ethernet features will no longer be orderable. 5) The OSA-Express2 10 Gigabits per second (Gbps) link data rate does not represent the actual throughput of the OSA-Express2 10 GbE feature.
