IBM z/OS manual Systems Management Improvements

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•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 operating in QDIO mode. The stack can be conﬁ gured to provide static routing of IPv6 packets and to send IPv6 Router Advertisements. In addition, support is being provided to help application developers to develop socket appli- cations for IPv6 communications.

Systems Management Improvements

The Performance Toolkit for VM has been enhanced in z/VM V5.1 to provide functional equivalence to the 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 efﬁ ciently. Other new function includes:

•New high-level Linux reports based on Application Moni- tor records from Linux

•A new report for SCSI disks

Delivery of equivalent function to PRF in the Performance Toolkit for VM satisﬁ es the Statement of Direction made on May 13, 2003 to remove the RTM and PRF features in a future release of z/VM. The RTM and PRF features have been with- drawn from z/VM V5.1. These features are still available with z/VM V4.4 but cannot be licensed with z/VM V5.1.

For further information see the z/VM Reference Guide, GM13-0137.

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Contents IBM zSeries 990 and z/OS Reference Guide Table of Contents What does an on demand company look like? ZSeries OverviewTools for Managing e-business To huge increases in user activityArchitecture Operating System Support ArchitectureTion IBM zSeriesBase Ratio Z990 Design and Technology MultiChip Module is the technology cornerstone for Z990 Family Models Z990 ModelsZ990 and IBM On/Off Capacity on Demand Model Upgrades Z990 and z900 Performance Comparison Z990 Cage Layout Z990 I/O SubSystemPhysical Channel IDs PCHIDs SubSystem Greater than 15 Logical Partitions LPUp to 1024 Escon Channels Z990 Channels and I/O ConnectivityLogical Channel SubSystem Lcss Spanning IC Channel SpanningIntegrated Cluster Bus-4 ICB-4 InterSystem Channel-3 ISC-3Integrated Cluster Bus-2 ICB-2 Integrated Cluster Bus-3 ICB-3Flexibility Three channel types supported Ficon Express Channel Card FeaturesFibre Channel Connectivity PerformanceNative Ficon Channels Shared infrastructureFicon Connectivity Ficon CTC functionFicon Support for Cascaded Directors FCP Channels Ficon Bridge ChannelFCP Full fabric connectivity Open Systems Adapter-Express Features OSA-ExpressOSA-Express Integrated Console Controller Z990 OSA-Express 1000BASE-T EthernetZ990 OSA-Express Gigabit Ethernet Queued Direct Input/Output QdioNON-QDIO operational mode Z990 OSA-Express Token-RingServer to User connections Lpar Support of OSA-Express IPv6 SupportPerformance enhancements for virtual servers LCSS0 LCSS1 HiperSocketsHiperSockets Network Concentrator Cryptography Plan Ahead and Concurrent Conditioning Z990 Capacity Upgrade on Demand CUoDAvailability ZSeries Security Certiﬁcation CryptographyZ990 Server Capacity BackUp CBU Transparent Sparing Z990 Server Customer Initiated Upgrade CIUConcurrent Maintenance Advanced Availability FunctionsConcurrent Capacity Backup Downgrade CBU Undo Concurrent Memory UpgradeParallel Sysplex Cluster Technology Coupling Facility Conﬁguration Alternatives System-Managed CF Structure Duplexing Parallel Sysplex Coupling Connectivity Options Z990 Theoretical Maximum Coupling Link SpeedIRD Scope Intelligent Resource DirectorLpar CPU Management Dynamic Channel Path ManagementChannel Subsystem Priority Queuing Page Geographically Dispersed Parallel Sysplex HyperSwap Geographically Dispersed Parallel Sysplex Gdps Enhancements Page Page Facilities Parallel SysplexComponents and assumptions No single point of failureZ990 Support for Linux Linux on zSeriesIBM Middleware Tivoli Access Manager for Operating Systems Version OSA-Express Ethernet for Linux Linux Distribution PartnersVM Version 4 and Version Integrated Facility for Linux IFLFibre Channel Protocol FCP channel Support for Linux HiperSocketsZSeries 990 Family Conﬁguration Detail Cryptographic Support for LinuxLinux Support Processor Memory Cryptographic FeaturesOSA-Express Features Processor Unit AssignmentsGeneral Information Z990 Frame and I/O Conﬁguration Content Planning for I/OSystem Cooling Air Flow Rate CFM Physical CharacteristicsZ990 Power/Heating/Cooling System Power Consumption kW Z990 DimensionsFiber-Optic Cabling and System Connectivity Coupling Facility CF Level of SupportFiber-optic jumper cabling package Integrated system services ZSeries Application Assist Processor OS.eOS Scalability Bit SupportAutomation Support Sense and Respond with Workload Manager System ServicesData Management with Dfsms WLM Improvements for WebSphereCICS/VSAM enabled for 24x7 availability System Management ServicesJES2 and JES3 Enhancements Console EnhancementsAdvanced System Automation Security ServicesMultilevel Security Racf enhancementsLdap Firewall PKI ServicesNetwork Authentication Service Application Enablement ServicesLanguage Environment Unicode JavaSysplex Distributor Communication ServicesRexx Functions Dynamic Virtual IP Address TakeoverHiperSockets Intrusion Detection Services IDSHighlights OS UnixUnix System Services beneﬁts can include Distributed Computing ServicesZSeries File System zFS Internet Services Distributed File Services DFS Server Message BlockInfoprint Central Print ServicesPublications Integrated TestingSoftcopy Publications Support Library CenterMigration/Coexistence Installation ConsiderationsOS 1.4 and 1.5 are supported on the following IBM servers OS 1.6 is supported on the following IBM serversZSeries Bimodal Support for z/OS Migration, installation and customization EnhancementsOrder z/OS through the Internet WizardsVM Version 3 VM Version 4 Exploiting New Technology Systems Management Networking with z/VM Application EnablementPage VM Version 5 Engine-based Value Unit PricingEnhancements in z/VM V5.1 include Technology Exploitation Network Virtualization and SecuritySystems Management Improvements To learn more