z/VM built on IBM Virtualization Technology General Information version 5 release 3 GC24-6095-05 z/VM built on IBM Virtualization Technology General Information version 5 release 3 GC24-6095-05 Note: Before using this information and the product it supports, read the information in “Notices” on page 109. Sixth Edition (February 2007) This edition applies to version 5, release 3, 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 GC24-6095-04. © Copyright International Business Machines Corporation 1990, 2007. 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 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 V5.3 Can Help You . .5 Chapter 3. What Is New or Changed in z/VM V5.3 . .7 Improved Scalability and Constraint Relief . .7 Support for More Than 128 GB Real Storage . .7 Up to 32 Real Processors in a Single z/VM Image . .7 Enhanced Memory Management for Linux Guests . .8 Enhanced Memory Utilization Using VMRM between z/VM and Linux Guests 8 HyperPAV Support for IBM System Storage DS8000 . .8 Enhanced FlashCopy Support . .9 Virtualization Technology and Linux Enablement . .9 Support for IBM System z Specialty Engines (Processors) . .9 Enhanced Virtual Switch and Guest LAN Usability . .10 MIDAWs for Guests . .10 Guest ASCII Console Support . .11 Enhanced SCSI Support . .11 Network Virtualization . .11 Improved Virtual Network Management . .11 Enhanced Failover Support for IPv4 and IPv6 Devices . .12 VIPA Support for IPv6 . .12 Security . .12 Delivery of LDAP Server and Client . .12 Enhanced System Security with Longer Passwords . .13 Conformance with Industry Standards . .13 SSL Server Enhancements . .14 Tape Data Protection with Support for Encryption . .14 Systems Management . .15 Enhanced Management Functions for Linux and Other Virtual Images . .15 New Function Level for DirMaint . .15 Enhancements to the Performance Toolkit . .16 Enhanced Guest Configuration . .16 Installation, Service, and Packaging Changes . .16 Additional DVD Installation Options . .16 Enhanced Status Information . .16 RSCS Repackaged as an Optional Feature . .16 New RACF Security Server for z/VM . .17 U.S. Daylight Saving Time Effect on z/VM . .18 z/Architecture CMS Shipped as a Sample Program . .18 Withdrawal of the ROUTED and BOOTP Servers . .18 Statement of Direction . .18 © Copyright IBM Corp. 1990, 2007 iii 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 Required Levels of z/VM Base Facilities and Optional Features . .26 Shared-DASD Complex and CSE Cluster Program Requirements . .26 DFSMS/VM Program Requirements . .27 DirMaint Program Requirements . .28 HCD and HCM Program Requirements . .28 Language Environment Program Requirements . .28 OpenExtensions Program Requirements . .28 OSA/SF Program Requirements . .29 Performance Toolkit Program Requirements . .29 RACF Program Requirements . .29 RSCS Program Requirements . .29 TCP/IP Program Requirements . .29 Online Books Program Requirements . .30 POSIX 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 . .31 DirMaint Restrictions . .31 Performance Considerations . .32 Operating Systems Supported as Guests . .32 Other Programs Supported on z/VM . .32 National Language Support . .33 Packaging and Ordering Information . .33 Object Code Only and Limited Source Availability . .34 Integrity and Security . .34 Data Integrity for Guests . .35 System Integrity Statement for z/VM . .35 Security, Auditability, and Control . .36 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 VM Dump Tool . .43 iv z/VM: General Information Support for Hardware Facilities, Features, and Architectures . .43 CMS . .49 Shared File System . .49 CMS Application Programming . .50 Systems Management API . .50 CMS Pipelines . .50 CMS Application Multitasking . .50 OpenExtensions . .51 Program Management Binder for CMS . .52 Reusable Server Kernel . .52 Virtual Machine Resource Manager . .52 XEDIT . .52 HELP Facility . .53 TCP/IP for z/VM . .53 Link Protocols . .54 Network Protocols . .54 Transport Protocols . .55 Applications and Protocols . .55 AVS . .56 Dump Viewing Facility . .56 GCS . .57 HCD and HCM for z/VM . .57 Language Environment . .57 OSA/SF . .58 REXX/VM . .58 TSAF . .58 VMSES/E . .58 Chapter 6. z/VM Optional Features . .61 DFSMS/VM . .61 Directory Maintenance Facility for z/VM . .61 Performance Toolkit for VM . .62 RACF Security Server for z/VM . .63 RSCS Networking for z/VM . .64 Chapter 7. z/VM Library Guide . .67 Where to Get z/VM Publications . .67 IBM Publications Center . .67 z/VM Internet Library . .67 z/VM Library on Disk . .67 Basic z/VM Documentation . .68 Publications in the z/VM Base Library . .68 System Overview . .68 Installation, Migration, and Service . .69 Planning and Administration . .70 Customization and Tailoring . .73 Operation and Use . .73 Application Programming . .75 Diagnosis . .79 Publications for z/VM Optional Features . .81 DFSMS/VM . .81 Directory Maintenance Facility for z/VM . .81 Performance Toolkit for VM . .82 RSCS Networking for z/VM . .82 RACF Security Server for z/VM . .83 Publication Editions and Media . .84 Contents v z/VM Base Library . .85 Publications for z/VM Optional Features . ..