z/VM Reference Guide z/VM and IBM System z ... your path to success

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z/VM encompasses many uses• Flexible, cost-effective guest environments• Well-suited for on demand business• Consolidation of select UNIX ® and Linux workloads ontoa single physical hardware server• Data and application serving for Internet/intranet users• Rich application development environmentz/VM for On Demand Business• Access to enterprise data and applications throughTCP/IP NFS• Enterprise Web serving through IBM Business Partnerproducts working cooperatively with z/VM• Reusable Server Kernel (RSK) for vendors andapplication programmers to write multithreaded serverprogramsVM installation and service tools• Virtual Machine Serviceability Enhancements Staged/Extended (VMSES/E) available for:– Installation of z/VM, IBM Licensed Products, andvendor products in VMSES/E format– Allows the service disks of the z/VM components toreside in SFS– Application of z/VM service– CORrective service (COR)– Recommended Service Upgrades (RSU)• z/VM installation and service available on CD-ROM(except with V5.2 and later)• Installation available on 3590-formatted tapes and DVDon V5.2 and later• Order z/VM products and service using ShopzSeries– Internet delivery of z/VM SDO licensed productsTo learn more about ShopzSeries:CMS application multitasking• Applications can be divided to handle work in parallel• Application throughput can be improved• POSIX exploits CMS multitasking• CMS Pipelines support the use of CMS multitaskingCMS Pipelines• Programmer productivity tool for simple creation ofpowerful, reusable REXX and Assembler programs andCommon Gateway Interface (CGI) scripts for Web serversData-in-memory exploitation• Virtual disk in memory provides fast access to data inmemory• Minidisk cache boosts performance with cache in mainand/or expanded storage (memory)• VM Data Spaces allow applications in virtual machinesto create additional VM data spaces of 2 GB, up to 2 TBtotalCallable Services Library (CSL)• Enhanced application development productivity• REXX and other high-level languages can use z/VM services,such as requesting Shared File System functions• Interfaces to use VM data spaces• Interfaces to POSIX functions for CMS users andapplicationsibm.com/software/ShopzSeries/10
CMS Interactive SupportVM Server SupportCMS Binder/Loader for z/VM• Enhanced application affi nity between CMS, z/OS, orz/OS.e• The CMS binder– Creates and utilizes data spaces if the user isauthorized– Converts object or load modules, or program objects,into a program object and stores the program objectin a partitioned data set extended (PDSE) programlibrary– Converts object or load modules, or program objects,into a load module and stores the load module in apartitioned data set (PDS) program library– Converts object or load modules, or program objects,into an executable program in virtual memory andexecutes the program• The CMS loader– Increases the services of the program fetch componentby adding support for loading program objects– Reads both program objects and load modules intovirtual storage and prepares them for executionVMLINK• User productivity enhancer for linking minidisks and SFSdirectories• Rewritten for enhanced serviceability in z/VMibm.com/eserver/zseries/zvmVM Data Spaces are designed to:• Offer capabilities unique to System z family• Provide high speed transfer and data access betweenvirtual machines, helping to improve throughput andresponse times• Allow applications to address multiple 2 GB data spaces• Support data sharing between a server and multipleusers• Provide an application programming interface and CallableServices Library routines, exploited by DB2 ® for VSEand VM, SFS and FORTRAN to help– Enable customers and vendors to develop applicationsusing VM Data Spaces– Make development process easierz/VM Shared File System (SFS) is designed to:• Allow read/write sharing at the file level– Provide sharing within one system or across multiplesystems– Provides fi le security through authorizationmechanism• Improve performance– Utilizes minidisk caching in main or expanded storagememory– Exploits VM Data SpacesSYSTEMXASharedFile SystemUsing files A B C DBMinidiskSYSTEMYDSharedFile SystemUsing files A CCByteFile SystemUsing files C D11
Page 4 and 5: • Network virtualization• Enhan
Page 6 and 7: - Enhanced security with Crypto Exp
Page 8 and 9: LPARs to be allocated to a z/VM LPA
Page 12 and 13: • Improve usage of disk storage d
Page 14 and 15: establish additional network connec
Page 16 and 17: Connectivity OptionsCommunication P
Page 18 and 19: z/VM Decision SupportVM/Pass-Throug
Page 20 and 21: Directory Maintenance (DirMaint) FL
Page 22 and 23: VM Evolution• z/VM Version 5 supp
Page 24 and 25: VM Feature ComparisonVM Function z/

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