z/VM built on IBM Virtualization Technology General Information version 5 release 2 GC24-6095-04 z/VM built on IBM Virtualization Technology General Information version 5 release 2 GC24-6095-04 Note: Before using this information and the product it supports, read the information in “Notices” on page 111. Fifth Edition (April 2006) This edition applies to version 5, release 2, modification 0 of IBM z/VM (product number 5741-A05) and to all subsequent releases and modifications until otherwise indicated in new editions. This edition replaces GC24-6095-03. © Copyright International Business Machines Corporation 1990, 2006. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents About This Book . vii Who Should Read This Book . vii Where to Find More Information . vii How to Send Your Comments to IBM . vii Summary of Changes . .ix GC24-6095-04, z/VM Version 5 Release 2 (Updated Edition) . .ix Chapter 1. Introducing z/VM . .1 z/VM Virtualization Technology Provides Guest Support . .1 z/VM Provides Proven System Integrity, Security, and Reliability . .2 z/VM Supports Application Development and Deployment . .3 z/VM Is Accessible by People with Disabilities . .4 Chapter 2. How z/VM Version 5 Can Help You . .5 Chapter 3. What Is New or Changed in z/VM V5.2 . .7 Virtualization Technology and Guest Support . .7 Enhanced Scalability Support for Storage-Constrained Environments . .7 Improved Performance of SCSI Disk I/O . .8 Support for Open Systems Adapter for Network Control Program . .9 Enhanced Performance Assists for z/VM Guests . .9 Enhanced Management Functions for Linux and Other Virtual Images . .10 SSL Server Support for Red Hat and Additional SUSE LINUX Distributions 10 || Improved Memory Management for Linux Guests . .11 Network Virtualization and Security . .11 Improved Problem Determination for Guest LANs and Virtual Switches . .11 Enhanced Dynamic Routing Capabilities with a New MPRoute Server . .12 Technology Exploitation . .13 || Support for IBM System z9 Enterprise Class and System z9 Business Class 13 || Exploitation of Selected System z9 Features . .15 Support for IBM TotalStorage DS6000 Series and IBM TotalStorage DS8000 Series . .16 || Enhanced DS8000, DS6000, and ESS Support . .16 Systems Management . .16 Simplified User Administration with the Coordination of DirMaint and RACF Changes . .17 Improved Directory Management Performance . .17 || Ease-of-Use Enhancement for the Performance Toolkit . .17 Application Support . .18 Upgraded CMS Binder . .18 Installation, Migration, and Service . .18 Simplified Migration of Preinstalled Facilities, Features, and Products . .18 Further Automation of the Local Modification Process . .18 Withdrawal of Functions or Support . .18 | Withdrawal of z/VM Support for the IBM TotalStorage DS4000 Series || Midrange Disk Systems . .18 Vector Facility Support Removed . .19 System Administration Facility Removed . .19 Support for Server-Requester Programming Interface Discontinued . .19 Device Support Withdrawn . .19 Packaging Modifications . .19 Withdrawal of CD-ROM Distribution Medium . .19 © Copyright IBM Corp. 1990, 2006 iii Withdrawal of Tivoli Storage Manager for z/VM . .19 Statement of Direction . .20 Chapter 4. Hardware and Software Requirements and Other Technical Information . .21 Hardware and Storage Requirements . .21 Server Requirements . .21 Installation Requirements . .21 Storage Requirements . .22 CSE Hardware Requirements . .22 OSA/SF Hardware Requirements . .23 TCP/IP Hardware Requirements . .23 VM Guest RSA-Assist Support for Linux Hardware Requirements . .24 Device Support . .24 Supported Devices . .24 Unsupported Devices . .24 Software (Program) Requirements . .25 Prerequisite Licensed Programs . .25 High Level Assembler . .26 Levels of z/VM Additional Facilities and Optional Features . .26 || Additional z/VM Program Requirements . .26 Shared-DASD Complex and CSE Cluster Program Requirements . .27 DFSMS/VM Program Requirements . .27 DirMaint Program Requirements . .28 || HCD and HCM Program Requirements . .29 Language Environment Program Requirements . .29 OpenExtensions Program Requirements . .29 OSA/SF Program Requirements . .29 || Performance Toolkit Program Requirements . .30 RACF Program Requirements . .30 TCP/IP Program Requirements . .30 Online Books Program Requirements . .31 Linux Program Requirements . .31 Program Requirements for Other IBM Products . .31 Limitations and Restrictions . .31 General Restrictions for z/VM Virtual Machines . .32 DirMaint Restrictions . .32 Operating Systems Supported as Guests . .33 Other Programs Supported on z/VM . .33 National Language Support . .33 Packaging and Ordering Information . .33 Object Code Only and Limited Source Availability . .35 Integrity and Security . .35 Data Integrity for Guests . .35 System Integrity Statement for z/VM . .35 Security, Auditability, and Control . .37 Chapter 5. z/VM Base Product . .41 CP . .41 Virtual Machine Modes . .41 Architecture Compatibility . .42 z/Architecture Support . .42 ESA/XC Support . .42 Cross System Extensions . .42 Guest LANs and Virtual Switches . .42 Inter-System Facility for Communications . .43 iv z/VM: General Information VM Dump Tool . .43 Support for Hardware Facilities, Features, and Architectures . .43 CMS . .47 Shared File System . .48 CMS Application Programming . .48 CMS Pipelines . .49 CMS Application Multitasking . .49 OpenExtensions . .49 Program Management Binder for CMS . .50 Systems Management APIs . .50 Reusable Server Kernel . .50 Virtual Machine Resource Manager . .51 XEDIT . .51 HELP Facility . .51 TCP/IP for z/VM . .51 Link Protocols . .52 Network Protocols . .52 Transport Protocols . .53 Applications and Protocols . .53 AVS . .54 Dump Viewing Facility . .55 GCS . .55 HCD and HCM for z/VM . .55 Language Environment . .56 OSA/SF . .56 REXX/VM . .56 TSAF . .57 VMSES/E . .57 Chapter 6. z/VM Optional Features . .59 DFSMS/VM . .59 DirMaint . .59 Performance Toolkit for VM . .60 RACF for z/VM . .61 Chapter 7. z/VM Library Guide . .63 Where to Get z/VM Publications . .63 IBM Publications Center . .63 z/VM Internet Library . .63 z/VM Library on Disk . .63 Basic z/VM Documentation . .64 Publications in the z/VM Base Library . .64 System Overview . .65 Installation, Migration, and Service . .65 Planning and Administration . .66 Customization and Tailoring . .69 Operation . .69 Application Programming . .69 End Use . .74 System Diagnosis . .76 Publications for z/VM Optional Features . .77 DFSMS/VM . .77 DirMaint . .78 Performance Toolkit for VM . .78 RACF for z/VM . .78 Publication Editions and Media . .80 Contents v z/VM Base Library . .80 z/VM Optional Features . .83 Appendix A. IBM Servers Supported by z/VM . .85 Appendix B. IBM Operating Systems Supported as Guests of z/VM . .89 Appendix C. IBM Devices.