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Mainframe Introduction and Job Opportunities

Mainframe Introduction and Job Opportunities. Marc Smith IBM System z Channel Enablement. Agenda. Whose this guy? Why is he here? What is a mainframe & who uses them? Why should I care? What next?. What is a Mainframe/Who uses them?. 40 years of IBM innovation

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Mainframe Introduction and Job Opportunities

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  1. Mainframe Introduction and Job Opportunities Marc Smith IBM System z Channel Enablement zSeries Expo 2005 Session V51

  2. Agenda • Whose this guy? • Why is he here? • What is a mainframe & who uses them? • Why should I care? • What next? zSeries Expo 2005 Session V51

  3. What is a Mainframe/Who uses them? • 40 years of IBM innovation • Built from the ground up for business • Widely used by businesses of all sizes • Online transaction processing • Batch • WebServing • More… • Data mining zSeries Expo 2005 Session V51

  4. What is a Mainframe/Who uses them? Quiz? • Can you name a company that uses a mainframe? zSeries Expo 2005 Session V51

  5. What is a Mainframe/Who uses them? Quiz? • Can you name a company that uses a mainframe? • Do you know what attributes set the Mainframe apart from other platforms? zSeries Expo 2005 Session V51

  6. What is a Mainframe/Who uses them? Quiz? • Can you name a company that uses a mainframe? • Do you know what attributes set the Mainframe apart from other platforms? • How important do you think they may be to business and governments? zSeries Expo 2005 Session V51

  7. A Visual Walk Through IBM Mainframe History zSeries Expo 2005 Session V51

  8. 701 IBM 701 – 19521st generation • The first IBM large-scale electronic computer manufactured in quantity • IBM's first commercially available scientific computer • The first IBM machine in which programs were stored in an internal, addressable, electronic memory • The first of the pioneering line of IBM 700 series computers, including the 702, 704, 705 and 709 zSeries Expo 2005 Session V51

  9. 729 1402 1401 1403 IBM 1401 – 19592nd generation • The all-transistorized IBM 1401 Data Processing System placed the features found in electronic data processing systems at the disposal of smaller businesses, previously limited to the use of conventional punched card equipment • These features included: high speed card punching and reading, magnetic tape input and output, high speed printing, stored program, and arithmetic and logical ability zSeries Expo 2005 Session V51

  10. 7094 IBM 7094 – 19622nd generation zSeries Expo 2005 Session V51

  11. S/360-75 2401 2311 System/360 – Announced April 7, 1964 • IBM decided to implement a wholly new architecture specifically designed both for data processing and to be compatible across a wide range of performance levels • IBM invested $5B to develop a family of five increasingly powerful computers that run the same operating systems and can use the same 44 peripheral devices with the same architecture zSeries Expo 2005 Session V51

  12. System/360 – a child is born • Hardware • One main storage, maximum size is 16MB • One or two Central Processing Units (CPUs) • One to seven Channels • Control Units (which connect to Channels) • Devices (which connect to Control Units) • Family of operating systems • Operating System/360 (OS/360) • Disk Operating System/360 (DOS/360) • TOS, BPS, … • ACP S/360 Model 65 Console zSeries Expo 2005 Session V51

  13. S/360-67 “DAT box” System/360 Model 67 • First IBM system with virtual storage capabilities • S/360 Model 65 with addition of the Dynamic Address Translation facility • Operating systems • Time Sharing System – The “official” operating system from IBM Data Systems Division • Control Program/67 with the Cambridge Monitor System – The “unofficial” operating system from the IBM Cambridge Scientific Center University of Newcastle Upon Tyne zSeries Expo 2005 Session V51

  14. 3850 3705 S/370-148 3350 3505 3203 3525 3270 System/370 with Virtual Storage – Announced August 2, 1972 • Compatible upgrade from S/370 with virtual storage • First multiprocessor models (158MP, 168MP) • Family of operating systems • OS/360  OS/VS • DOS/360  DOS/VS • CP/67  VM/370 zSeries Expo 2005 Session V51

  15. 3033 3031 S/370 – the architecture matures • Virtual storage • 2KB or 4KB pages of memory • 64KB or 1MB segment sizes • Translation of virtual addresses to real addresses using Dynamic Address Translation (DAT) logic • Segment tables point to page locations • Channel architecture • 256 channels • CPU changes • Extended MP support via CPU address zSeries Expo 2005 Session V51

  16. 9672-G5 ES/9000 System/390 with Enterprise Systems Architecture – Announced September 1990 • Evolution of ESA/370 • 1994 – S/390 Parallel Transaction Server • Family of CMOS processors • 1998 – System/390 Generation 5 server – more than 1,000 MIPS • 1999 – System/390 Generation 6 server – copper chip technology • Common set of peripheral devices • RAMAC, Enterprise Storage Subsystem disk • 3590 Magstar tape • Family of operating systems • MVS/ESA  OS/390 • VSE/ESA • VM/ESA • Linux for S/390 (December 1999) zSeries Expo 2005 Session V51

  17. zSeries with z/Architecture – Announced October 2000 zSeries 900 • Evolution of ESA-390 • 24-bit, 31-bit, and 64-bit addressing supported concurrently • z900 – up to 16 processors • z800 – up to 4 processors • Linux-only model in January 2002 • General purpose model in February 2002 • Integrated Facility for Linux on z900/z890 • Family of operating systems • OS/390  z/OS • VSE/ESA  z/VSE • VM/ESA  z/VM • TPF  z/TPF • Linux for S/390  Linux for zSeries zSeries Expo 2005 Session V51

  18. System z9 – Announced July 26, 2005 • IBM System z9 109 (z9-109) delivers excellence in large scale enterprise computing and is designed and optimized as the hub of the on demand enterprise • Built on more than 40 years as an industry-acknowledged leader and taking that leadership to new levels • Scalability • Availability and security • Balanced system design • Virtualization technology • Breaking new ground • Designed to minimize outages to help your business stay always on • Greater scalability and performance to grow with your business • Flexibility to enable efficient response to your business needs zSeries Expo 2005 Session V51

  19. Touch the technology……. zSeries Expo 2005 Session V51

  20. CMOS 10K chip Technology PU, SC, SD and MSC chips Copper interconnections, 10 copper layers 8 PU chips/MCM 15.78 mm x 11.84 mm 121 million transistors/chip L1 cache/PU 256 KB I-cache 256 KB D-cache 0.58 ns Cycle Time 4 System Data (SD) cache chips/MCM 15.66 mm x 15.40mm L2 cache per Book 660 million transistors/chip 40 MB One Storage Control (SC) chip 16.41mm x 16.41mm 162 million transistors L2 cache crosspoint switch L2 access rings to/from other MCMs Two Memory Storage Control (MSC) chips 14.31 mm x 14.31 mm 24 million transistors/chip Memory cards (L3) interface to L2 L2 access to/from MBAs (off MCM) One Clock (CLK) chip - CMOS 8S Clock and ETR Receiver Advanced 95mm x 95mm MCM 102 Glass Ceramic layers 16 chip sites, 217 capacitors 0.545 km of internal wire MSC PU PU MSC PU SD SD PU SD PU SD PU CLK PU SC PU z9-109 12-way MCM zSeries Expo 2005 Session V51

  21. Why do you care? • Your in the computer science class • Your thinking about going to college • You want to get a job when you graduate? • There are job opportunities being created • One might be right for you! zSeries Expo 2005 Session V51

  22. Job types • Application Programmer • Systems Programmer • Systems Operator • Network Administrator • Database Manager • Database Administrator • Technical Writer • Test Specialists • Project managers • IT Managers • CIO • More… zSeries Expo 2005 Session V51

  23. Twelve zSeries courses • Introduction to the New Mainframe • Linux on zSeries • Introduction to z/VM • UNIX System Services (modules) • e-business with WebSphere Application Server for z/OS • Basic Interfaces: ISPF (self-study modules) • JCL • Assembler • VSAM (modules) • z/OS Transaction Management with CICS • z/OS Data Management with DB2 • An Introduction to IMS zSeries Expo 2005 Session V51

  24. More Information • http://www.developer.ibm.com/us/en/university/scholars/products/zseries/index.html • List of participating colleges and universities • Access to this multi-media presentation • http://www.ibm.com/zseries • General information about the platform zSeries Expo 2005 Session V51

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