z/VM General Information version6release1 GC24-6193-01 z/VM General Information version6release1 GC24-6193-01 Note: Before using this information and the product it supports, read the information in “Notices” on page 107. This edition applies to version 6, release 1, modification 0 of IBM z/VM (product number 5741-A07) and to all subsequent releases and modifications until otherwise indicated in new editions. This edition replaces GC24-6193-00. © Copyright IBM Corporation 1990, 2010. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Tables ............................vii About this document ......................ix Intended audience ........................ix Where to find more information ...................ix How to send your comments to IBM ................xi If you have a technical problem ...................xi Summary of Changes .....................xiii GC24-6193-01, z/VM Version 6 Release 1 (Updated Edition) ........xiii Chapter 1. Introducing z/VM ....................1 z/VM components, facilities, and optional features ............1 z/VM virtualization technology provides guest support ...........2 z/VM provides proven system integrity, security, availability, 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 can help you .................7 Chapter 3. What is new or changed in z/VM V6.1............9 Technology exploitation ......................9 || Architecture level set ......................9 IBM FlashCopy SE support ....................9 Worldwide port name prediction tool support .............10 IBM System Storage support enhancements .............10 || Support for IBM zEnterprise 196 .................10 || Support for OSX and OSM channel path identifiers ..........11 || XRC time stamping support ...................11 || HyperSwap improvements....................12 || IBM Extended Address Volumes support ..............12 || IBM XIV Storage Systems direct attachment support ..........12 || Dynamic emulated device path control ...............12 || Systems management ......................12 || Support for IBM zEnterprise Unified Resource Manager .........12 Network virtualization ......................13 Prefetch guest data into processor cache ..............13 || Support for IBM zEnterprise System networks ............14 || Improved scalability and constraint relief ...............14 || Disabling the guest page reordering process .............14 || Improved page release serialization ................14 || Enhanced contiguous frame coalescing ...............14 || Alternate method for hard limiting of scheduled system resources .....14 Virtualization technology and Linux enablement .............15 || Enhanced dynamic storage reconfiguration support for Linux guests ....15 Security ...........................15 OSA-Express QDIO data connection isolation support .........15 CMS-based z/VM SSL server ..................15 Additional tape encryption support .................16 || Crypto Express3 support ....................16 || Protected key CPACF support ..................16 || z/VM SSL server enhancements .................17 © Copyright IBM Corp. 1990, 2010 iii || z/VM SSL server upgrade and FIPS support .............17 || Application enablement ......................17 || Program Management Binder upgrade ...............17 Serviceability .........................17 Multiple file dump support ....................18 Packaging ..........................18 Closer Integration with IBM Systems Director.............18 Miscellaneous .........................18 Discontinuation of support for HMF on z/VM V6.1 ...........18 VMPRF mode not supported by Performance Toolkit for z/VM V6.1 ....19 Withdrawal of support for RPC-based systems management APIs .....19 Withdrawal of German translated files ...............19 || Performance Toolkit enhancements ................19 Statement of direction ......................19 Chapter 4. Technical information .................21 Hardware and storage requirements .................21 Server requirements ......................21 Installation requirements ....................21 Storage requirements .....................22 CSE hardware requirements ...................22 Workstation requirement ....................23 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 || z/VM base additional program requirements .............27 Shared-DASD complex and CSE cluster additional program requirements 28 DFSMS/VM additional program requirements .............28 DirMaint additional program requirements ..............29 HCD and HCM additional program requirements ...........29 IOCP additional program requirements ...............29 Language Environment additional program requirements ........30 OpenExtensions additional program requirements ...........30 OSA/SF additional program requirements ..............30 Performance Toolkit additional program requirements ..........30 RACF additional program requirements ...............31 RSCS additional program requirements ...............31 TCP/IP additional program requirements ..............31 Online books additional program requirements ............32 POSIX additional program requirements ..............32 Linux program requirements ...................32 Program requirements for other IBM products ............32 Limitations and restrictions ....................33 General restriction for z/VM virtual machines .............33 DirMaint restrictions ......................33 Performance considerations ....................34 Operating systems supported as guests................34 Other programs supported on z/VM .................34 iv z/VM: General Information Multicultural support .......................34 Packaging and ordering information .................35 Object code only and limited source availability .............36 Integrity and security.......................36 Data integrity for guests ....................36 System integrity statement for z/VM ................36 Security, auditability, and control .................38 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 Support for hardware facilities, features, and architectures ........43 CMS.............................50 Shared File System ......................51 CMS application programming ..................51 Systems management API ...................52 CMS Pipelines ........................52 CMS application multitasking...................52 OpenExtensions .......................52 Program Management Binder for CMS ...............53 Reusable Server Kernel ....................53 Virtual Machine Resource Manager ................54 XEDIT ...........................54 HELP facility .........................54 TCP/IP for z/VM ........................55 Link protocols ........................55 Network protocols .......................55 Transport protocols ......................55 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 V6R1 Information Center ..................67 Contents v z/VM Internet Library......................67 z/VM Collection DVD......................68 IBM Publications Center ....................68 Basic z/VM documentation ...................68 Abstracts of the z/VM base product publications.............68 System overview .......................69 Installation, migration, and service .................69 Planning and administration ...................70 Customization and tailoring ...................73 Operation and use ......................73 Application programming ....................75 Diagnosis ..........................80 Abstracts of the z/VM optional feature publications............81 DFSMS/VM .........................81 Directory Maintenance Facility for z/VM ...............82 Performance Toolkit for VM ...................83