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ENHANCING SYSTEM PLATFORMS: S/390 ENHANCEMENTS GIVE CUSTOMERS BETTER PERFORMANCE, LOWER COSTS

 ENHANCING SYSTEM PLATFORMS: S/390 ENHANCEMENTS GIVE CUSTOMERS
 BETTER PERFORMANCE, LOWER COSTS
 WHITE PLAINS, N.Y., June 16 /PRNewswire/ -- Building on the strength of Enterprise Systems Architecture/390(see Note A), IBM Corporation (NYSE: IBM) today announced new releases of its MVS/ESA(A), VM/ESA(A) and VSE/ESA(A) operating systems, plus enhancements to selected Enterprise System/9000(A) (ES/9000(A)) processors. These enhancements to the system platforms give customers improved capabilities for application development, systems management, security and client/server computing, and reaffirm IBM's commitment to open computing environments.
 "As large systems increasingly serve networks of multi-vendor products, businesses want to broaden the flexibility of their systems while containing costs," said Jim Hahn, Enterprise and Storage Systems marketing director, IBM United States. "Today's announcements help make this possible by strengthening the base that integrates the enterprise."
 "In addition, customers can expect significant improvements in reliability and availability as a result of our continued focus on quality in the software development process," said Dick Butler, Enterprise Systems director, systems and programming.
 The highlights of today's announcement are:
 -- Multiple Virtual Storage/Enterprise Systems Architecture (MVS/ESA) System Product Version 4 Release 3, which improves client/server, storage and systems-management support;
 -- Virtual Machine/Enterprise Systems Architecture(A) (VM/ESA) Version 1 Release 2, which offers enhanced systems-management capabilities and improved S/390 application performance;
 -- Virtual System Extended/Enterprise Systems Architecture (VSE/ESA) Version 1 Release 3, which delivers on IBM's promise to bring the value of ESA to VSE customers;
 -- Enterprise Systems Connection Architecture(A) (ESCON(A)) Multiple Image Facility (EMIF), enabling sharing of ESCON channels among logical partitions, or segments, of a processor;
 -- ESCON basic mode support, which can simplify and reduce the cost of implementing Channel-to-Channel communications;
 -- Improvements to Processor Resource/Systems Manager(A) (PR/SM(A)), giving customers more logical partitioning capabilities;
 -- Asynchronous Pageout Facility, for improved system efficiency in running applications that use very large amounts of data.
 MVS/ESA
 The new release of MVS/ESA enhances client/server computing by making the total resources of a customer's enterprise -- data, applications, print capabilities and computing power -- easily available to workstation clients. New support for enterprise servers makes it easier for MVS application programmers to create programs that run in advanced program-to-program communication/MVS (APPC/MVS) mode.
 The new release also lets customers utilize the recently announced Data Facility Storage Management Subsystem/MVS (DFSMS(A)/MVS) and Data Facility Distributed Storage Manager (DFDSM(A)). DFSMS/MVS extends the reach of systems-managed storage to include tape drives and IBM's Tape Library Dataserver. DFDSM lets a customer's MVS or VM system act as a backup and archive for LAN file-servers and workstations.
 In September 1991, IBM stated its intention to provide an application programming interface adhering to POSIX standards for MVS/ESA. Today, this POSIX statement of direction includes additional POSIX interfaces, giving end users a convenient shell, or command- language interpreter, with dozens of standardized commands, including common utility commands such as file copying.
 VM/ESA
 Information-processing professionals will benefit from improved systems availability and increased flexibility of the new release of VM/ESA. The new release also makes it easier to dynamically define system configuration changes without interrupting service to users and provides additional support for automated storage management. Storage subsystems now supported include the IBM 9332, 9335, 9336 and 3370 direct access storage devices (DASD) as well as the rack-mounted 9348 tape drive. VM/ESA 1.2 also supports DFDSM. (See description above.)
 In addition, VM/ESA enables CMS applications and servers to exploit multiple S/390 processors with the new CMS application multitasking support and easier access to VM Data Spaces.
 VM/ESA 1.2 has been designed and developed to meet the U.S. Department of Defense C2 and B1 security-level criteria. IBM has entered the Vendor Assistance Phase with the U.S. National Security Agency for an evaluation of Release 2-based security.
 VSE/ESA
 The new release of VSE/ESA will support 31-bit addressing, removing the 16-megabyte program size restriction and allowing customers to run programs that are up to two gigabytes. VSE customers also can run larger Customer Information Control Systems (CICS). Customers now can consolidate multiple CICS systems into one, which simplifies systems management and provides room for application growth. CICS transactions, data areas and control information also are moved above the 16-megabyte limitation.
 Release 3 supports ESA data spaces, making it possible to bring data into memory. A new function, Virtual Disk in Storage, exploits data spaces: it speeds up programs by using memory in place of a disk drive, reducing the number of times the application must search disk devices for data. This new function requires no changes to existing jobs or applications and can improve application performance by 30 percent or more.
 In addition, the new VSE/ESA release fully supports ESCON and provides new support for 3990 Model 3 Storage Control capabilities. The DASD Fast Write and Dual Copy features of the Model 3 are supported as well as basic cache. Cache is a high-speed storage buffer that improves subsystem performance. DASD Fast Write improves performance by writing data onto cache before writing onto disk. Dual Copy automatically creates and updates a second copy of a volume of data, providing extra protection for a company's mission-critical data.
 ES/9000 Processor Enhancements
 Enhancements announced today to ES/9000 520-based models let customers enjoy greater returns on their investments. (The ES/9000 520-based models are 520, 640, 660, 740, 820, 860 and 900.)
 The ESCON Multiple Image Facility (EMIF) helps simplify systems management. EMIF lets a single ESCON channel serve several logical partitions (LPARs), or segments, of a processor. In the past, a channel served only one LPAR. Customers now can cut computing costs by installing fewer ESCON channels and director and control-unit ports while still benefiting from the power of multiple channels. And customers who already use ESCON can create new applications on new LPARs without adding channels.
 Using EMIF, customers have a simpler and more cost-effective method for implementing PR/SM logical partitions -- and can therefore make better use of ES/9000 computing power.
 PR/SM support increases the number of logical partitions possible in a processor from seven to ten (and from 14 to 20 on multiprocessors). Coupled with EMIF, this can yield substantial cost savings through consolidations onto a single processor.
 ESCON Channel-to-Channel (CTC) basic mode support now accommodates application migrations that previously were limited to a parallel CTC solution. Job entry subsystems, such as MVS JES2 and JES3, now may be migrated to ESCON to benefit from EMIF and all other ESCON advantages. This ESCON enhancement is available on all ES/9000 water-cooled and air-cooled frame models.
 Asynchronous Pageout Facility moves data more efficiently from central to expanded storage. Paging -- moving data from one storage area to another -- takes valuable time. This enhancement speeds up applications that have very large data models or tables, such as numerically intensive applications.
 Prices and Availability
 VM/ESA 1.2 is planned to become available in December 1992. Availability of MVS/ESA SP 4.3 and VSE/ESA 1.3 is planned for March 1993. Prices for the new releases will be the same as for the preceding releases.
 The hardware enhancements are standard for ES/9000 Models 520, 640, 660, 740, 820, 860 and 900. EMIF and the PR/SM expansion are planned to become available in December. Availability of the other enhancements is planned for March 1993.
 In addition, IBM said today that Advanced Interactive Executive/ Enterprise Systems Architecture (AIX/ESA(A)) Version 2 Release 1 (announced March 31) will be generally available beginning June 26. AIX/ESA is IBM's implementation of the UNIX(B) operating system. Built upon the Open Software Foundation's OSF/1(C) offering, AIX/ESA has extensions to exploit large-processor capabilities. AIX/ESA operates natively on any ESA-capable processor.
 (A) -- Trademark or registered trademark of International Business Machines Corporation.
 (B) -- Registered trademark of UNIX Systems Laboratories, Inc.
 (C) -- Trademark of the Open Software Foundation.
 -0- 6/16/92
 /CONTACT: Diane E. Whitehead, 914-642-4668, or Edward A. Trapasso, 914-642-5359, both of IBM/
 (IBM) CO: International Business Machines Corporation ST: New York IN: CPR SU: PDT


GK -- NY009 -- 0510 06/16/92 09:07 EDT
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