IBM manual IBM zSeries 890 and z/OS Reference Guide, January

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IBM ^zSeries 890 and z/OS

IBM ^zSeries 890 and z/OS

Reference Guide

January 2005

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Contents January IBM zSeries 890 and z/OS Reference GuideTable of Contents What does an on demand company look like? zSeries OverviewTools for Managing e-business The New zSeries from IBMz/Architecture Operating System Support z/ArchitectureOperating System IBM zSeriesz/Arch 31-bitNumber of CPs BaseEstimated Ratio z890 Design and Technology The z890 supports LPAR mode only basic mode is no longer supported z890 Performance Comparison z890 Family ModelsIBM On/Off Capacity on Demand for z890 Page On/Off CoD Test z800 to z890 and z890 Model Upgradesz800 z890 z890 Performance Comparisons z890s Positioning in the zSeries Family z890 I/O Subsystemz890 Cage Layout CEC I/O CageUp to 30 Logical Partitions Greater than 15 Logical Partitions LPARsPhysical Channel IDs PCHIDs SubSystem Logical Channel SubSystem LCSS SpanningChannel Spanning z890 Channels and I/O ConnectivityUp to 420 ESCON Channels Up to 40 FICON Express ChannelsInterSystem Channel-3 ISC-3 Up to 80 FICON Express2 ChannelsIntegrated Cluster Bus-3 ICB-3 Integrated Cluster Bus-4 ICB-4Native FICON Channels Fibre Channel ConnectivityFICON CTC function FICON Support for Cascaded Directors FICON ConnectivityFCP Channels FCP Full fabric connectivity Preview - FCP LUN Access ControlFICON Express enhancements for Storage Area Networks FICON purge path extended FICON Express2 Doubles the Channel Capacity A New Generation for SANs - FICON Express2FICON Express2 LX FICON Express2 SXContinued Support of Spanned Channels and LPARs Concurrent UpdateModes of Operation CascadingOSA-Express2 10 Gigabit Ethernet LR OSA-Express2 Gigabit EthernetConcurrent LIC update Layer Queued Direct Input/Output QDIO One port per featureImproved virtualization - now 640 TCP/IP stacks New functions in OSA-Express2Large send for TCP/IP trafﬁc OSA-Express2 large send for the z/OS environment previewLayer 2 support - ideal for server consolidation OSA-Express2 concurrent LIC update - an availability enhancementTCP/IP stack utilization improvement for OSA-Express Open Systems Adapter-Express Features OSA-Expressz890 OSA-Express 1000BASE-T Ethernet Queued Direct Input/Output QDIO OSA-Integrated Console Controllerz890 OSA-Express Gigabit Ethernet z890 OSA-Express Token-Ring NON-QDIO operational modeNote Statement of Direction LPAR Support of OSA-Express Server to User connectionsIPv6 Support Performance enhancements for virtual serversHiperSockets LCSS0 z/VMLCSS1 HiperSockets CHPIDHiperSockets Network Concentrator Cryptographyz890/z990 PCIXCC Designed for FIPS 140-2 level 4 certiﬁ cation zSeries Security Certiﬁcation CryptographyLogical Partitions Operating Systems Common Criteria Certiﬁ cation SUSE LINUX on zSeriesThe Crypto Express2 feature supports the following Cryptographic support for 19-digit PANs Enabling use of less than 512-bit keys for clear key RSA operations2048-bit key RSA management for PCICC on z800, z900 TKE 4.2 code TKE 4.2 and Smart Card Reader Supportz890 Server Capacity BackUp CBU z890 Capacity Upgrade on Demand CUoDAvailability Plan Ahead and Concurrent Conditioningz890 Customer Initiated Upgrade CIU Automatic Enablement of CBU for GDPSOn/Off CoD Testing Order Staging for CIU-Express and On/Off CoDConcurrent Capacity BackUp Downgrade CBU Undo Concurrent MaintenanceAdvanced Availability Functions Transparent SparingParallel Sysplex Cluster Technology Coupling Facility Conﬁguration Alternatives System-Managed CF Structure Duplexing GDPS/PPRC Cross Site Parallel Sysplex distance Extended to 100 km Parallel Sysplex Coupling ConnectivityRoute A Route BConnectivity z890 and z990 Theoretical Maximum Coupling Link SpeedOptions zSeries IRD Scope Intelligent Resource DirectorLPAR CPU Management Dynamic Channel Path ManagementChannel Subsystem Priority Queuing Parallel Sysplex Professional ServicesGDPS GPDS/PPRC HyperSwap GDPS/PPRC Multiplatform Resiliency for zSeries GDPS/PPRC and GDPS/XRC FlashCopy SupportRe-IPL in place of failing operating system images Site takeover/failover of a complete production siteconﬁgurations Automatic Enablement of CBU for GDPSGDPS/Global Mirror - preview Performance enhancements for GDPS/PPRC and GDPS/XRCFacilities Continuous Availability Recommended Conﬁguration for ParallelSysplex Components and assumptionsKey attributes can include z890 Support for LinuxLinux on zSeries IBM Middleware z/VM Version 4 and Version Linux Distribution PartnersIntegrated Facility for Linux IFL OSA-Express Ethernet for LinuxHiperSockets OSA-Express Enhancements for LinuxCryptographic Support for Linux Fibre Channel Protocol FCP channel Support for LinuxLinux Support Processor Unit Assignments zSeries 890 Family Conﬁguration DetailProcessor Memory ChannelsOSA-Express Features Cryptographic Featuresz890 Frame and I/O Conﬁguration Content Planning for I/O General Informationz890 Power/Heating/Cooling System Power Consumption 50/60 Hz, KVA Physical Characteristicsz890 Dimensions Coupling Facility - CF Level of SupportFiber-Optic Cabling and System Connectivity z/OS Integrated system servicesSupport for 64-bit real memory and 64-bit virtual storage z/OS.ez/OS Scalability zSeries Application Assist Processor64-bit Support LPAR CPU Management Dynamic Channel Path ManagementAutomation Support System Servicesz/OS Version 1 Release 6 optional priced features z/OS Version 1 Release 6 base elementsWLM Improvements for WebSphere Sense and Respond with Workload ManagerData Management with DFSMS Parallel Sysplex CICS/VSAM enabled for 24x7 availabilityJES2 and JES3 Console Enhancements System Management ServicesEnhancements SMP/E Security ServicesAdvanced System Automation RACFMultilevel Security RACF enhancementsICSF LDAPa restriction where the private key had to reside in the RACF database Network Authentication Service PKI ServicesFirewall Language Environment Application Enablement ServicesC/C++ Java Communication ServicesUnicode REXX FunctionsDynamic Virtual IP Address Takeover Intrusion Detection Services IDSSysplex Distributor IPv6z/OS UNIX HiperSocketsDistributed Computing Services UNIX System Services beneﬁts can includeHighlights zSeries File System zFSInternet Services Distributed File Services DFS Server Message Block SMBInfoprint Central Print ServicesLibrary Center Integrated TestingSoftcopy Publications Support Publicationsz/OS 1.6 is supported on the following IBM servers Installation ConsiderationsMigration/Coexistence zSeries Bimodal Support for z/OS Migration, installation and customization enhancementsWizards Order z/OS through the Internet z/VMz/VM Version 4 z/VM Version 3Exploiting New Technology New technological enhancements in z/VM V4.4 provide Systems ManagementNetworking with z/VM Application EnablementManagement and control of VLAN topology by the z/VM virtual switch C/C++ for z/VM Compiler 5654-A22z/VM Version 5 Enhancements in z/VM V5.1 include Engine-based Value Unit PricingVirtualization Technology and Linux Enablement Value Unit Pricing helps you toNetwork Virtualization and Security Systems Management Improvements Technology ExploitationFor further information see the z/VM Reference Guide, GM13-0137 VSE/ESA VSE/ESAz/VSE To learn more Endnotes

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