IBM z/OS manual

August 2004

IBM ^ zSeries 990 and z/OS

Reference Guide

Contents

Main Table of Contents cost control, capital ef ciency and nancial predictability. Page z/Architecture IBM zSeries 990 ^ Page Page Page z990 Family Models z900 z990 100 101 - 109 A08 B16 C24 D32 1C1 - 116 2C1 - 216 z990 and z900 Performance Comparison z990 I/O SubSystem A-FrameZ-Frame CEC 1st 2nd Page z990 Channels and I/O Connectivity Page Fibre Channel Connectivity Performance Flexibility - Three channel types supported Distance Shared infrastructure FICON CTC function FICON Support for Cascaded Directors Page FCP Full fabric connectivity Open Systems Adapter-Express Features (OSA-Express) Page Page Page Page HiperSockets Page Cryptography Availability Automatic Enablement of CBU for Geographically Dispersed Parallel Sysplex (GDPS) Advanced Availability Functions Parallel Sysplex Cluster Technology CF Page Page System-Managed CF Structure Duplexing Page Page Page Page Page Page Page Page Page Page z990 Support for Linux Page SUSE LINUX Product Information at suse.de/en/produkte/susesoft/S390/ Turbolinux Product Information at turbolinux.com/products/s390 Red Hat Linux Page zSeries 990 Family Con guration Detail or z/VM guest Block devices VM minidisks ECKD 3380 or 3390 DASDs VM virtual disk in storage Network devices Virtual CTC ESCON CTC Additional information is available at ibm.com/linux/ and at ibm.com/zseries/linux/. Maximum of 1024 CHPIDs; 3 I/O cages (28 slots each) = 84 I/O slots. Processor Unit Assignments Processor Memory Channels Coupling Links Cryptographic Features General Information: 120 in 8 cards, etc. up to a maximum 69 cards, 1024 channels. 2 I/O cages 3 I/O cages Physical Characteristics Coupling Facility CF Level of Support Page z/OS Software pricing models designed to support on demand reality IBM Reference Guide zSeries 890 and z/OS LPAR CPU Management Dynamic Channel Path Management Channel Subsystem Priority Queuing Page Page Page Page Page Advanced System Automation Page Page Page Page Page REXX Functions Dynamic Virtual IP Address Takeover Sysplex Distributor Page Page Page Page Page Page Page z/OS Planning for Installation Migration, installation and customization enhancements Page z/VM