z/VM built on IBM Virtualization Technology General Information version 5 release 4 GC24-6095-08 z/VM built on IBM Virtualization Technology General Information version 5 release 4 GC24-6095-08 Note: Before using this information and the product it supports, read the information in “Notices” on page 107. This edition applies to version 5, release 4, 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 GC24-6095-07. © Copyright International Business Machines Corporation 1990, 2008. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents About this document . vii Intended audience . 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 . .2 z/VM provides proven system integrity, security, and reliability . .3 z/VM supports application development and deployment . .3 z/VM is accessible by people with disabilities . .5 Chapter 2. How z/VM V5.4 can help you . .7 Chapter 3. What is new or changed in z/VM V5.4 . .9 Improved scalability and constraint relief . .9 Virtual memory performance enhancements . .9 Expanded shared memory addressability . .9 Dynamic memory upgrade . .9 Virtualization technology and Linux enablement . .10 Increased flexibility with support for z/VM-mode partitions . .10 Dynamic virtual processor management . .11 Capability to dump Linux guests to SCSI . .11 Network virtualization . .11 More efficient transmission of network data . .11 Enhanced physical connectivity by exploiting all OSA-Express3 ports . .12 Enhanced connectivity with TCP/IP Layer 2 support . .12 Enhanced ease of use in network management . .12 TELNET server and client IPv6 support . .13 Security . .13 Enhanced z/VM SSL server now CMS-based . .13 LDAP upgrade and RACF password change logging . .13 Common Criteria certification . .13 Systems management . .14 Further systems management enhancements for Linux and other virtual images . .14 Directory manager enhancements . .14 Enhancements to the Performance Toolkit . .15 Enhancements to IBM Tivoli OMEGAMON XE on z/VM and Linux . .15 Application enablement . .15 Updated C/C++ for z/VM compiler . .15 Language Environment upgrade . .16 Binder upgrade . .16 Installation, service, and packaging changes . .16 Installation of Linux on System z from the HMC . .16 Installation and service enhancements . .17 Electronic delivery of z/VM . .17 z/VM V5.4 Information Center . .17 IBM Online Library: z/VM Collection on CD-ROM Not Distributed . .17 Withdrawal of distribution medium . .18 Changes to the z/VM System Delivery Offering (SDO) . .18 Withdrawal of support for TCP/IP for z/VM functions . .18 Statement of direction . .18 © Copyright IBM Corp. 1990, 2008 iii Chapter 4. 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 Performance Toolkit 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 . .27 DFSMS/VM program requirements . .27 DirMaint program requirements . .28 HCD and HCM program requirements . .28 Language Environment program requirements . .28 OpenExtensions program requirements . .29 OSA/SF program requirements . .29 Performance Toolkit program requirements . .29 RACF program requirements . .29 RSCS program requirements . .29 TCP/IP program requirements . .30 Online books program requirements . .30 POSIX program requirements . .30 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 . .32 Packaging and ordering information . .33 Object code only and limited source availability . .34 Integrity and security . .34 Data integrity for guests . .34 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 . .50 Shared File System . .50 CMS application programming . .50 Systems management API . .51 CMS Pipelines . .51 CMS application multitasking . .51 OpenExtensions . .52 Program Management Binder for CMS . .52 Reusable Server Kernel . .53 Virtual Machine Resource Manager . .53 XEDIT . .53 HELP facility . .53 TCP/IP for z/VM . .54 Link protocols . .55 Network protocols . .55 Transport protocols . .56 Applications and protocols . .56 AVS . .57 Dump Viewing Facility . .57 GCS . .57 HCD and HCM for z/VM . .58 Language Environment . .58 OSA/SF . .59 REXX/VM . .59 TSAF . .59 VMSES/E . .59 Chapter 6. z/VM optional features . .61 DFSMS/VM . .61 DirMaint . .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 information . .67 z/VM V5.4 Information Center . .67 z/VM Internet Library . .67 z/VM documentation on disk . .68 IBM Publications Center . .68 Basic z/VM documentation . .68 Abstracts of the z/VM base publications . .69 System overview . .69 Installation, migration, and service . .69 Planning and administration . .71 Customization and tailoring . .73 Operation and use . .74 Application programming . .76 Diagnosis . .80 Abstracts of the z/VM optional feature publications . .82 DFSMS/VM . .82 Directory Maintenance Facility for z/VM . .83 Performance Toolkit for VM . .83 RACF Security Server for z/VM . .83 RSCS Networking for z/VM . ..