1. © 2005 IBM Corporation IBM zSeries Expo 2005 Session V512005-09-19 Mainframe Introduction and Job Opportunities Marc Smith IBM System z Channel Enablement

2. IBM 2zSeries Expo 2005 Session V512005-09-19 Agenda  Whose this guy?  Why is he here?  What is a mainframe & who uses them?  Why should I care?  What next?

3. IBM 3zSeries Expo 2005 Session V512005-09-19 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

4. IBM 4zSeries Expo 2005 Session V512005-09-19 What is a Mainframe/Who uses them? Quiz?  Can you name a company that uses a mainframe?

5. IBM 5zSeries Expo 2005 Session V512005-09-19 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?

6. IBM 6zSeries Expo 2005 Session V512005-09-19 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?

7. IBM 7zSeries Expo 2005 Session V512005-09-19 A Visual Walk Through IBM Mainframe History

8. IBM 8zSeries Expo 2005 Session V512005-09-19 IBM 701 – 1952 1 st generation 701  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

9. IBM 9zSeries Expo 2005 Session V512005-09-19  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 IBM 1401 – 1959 2 nd generation 140314021401 729

10. IBM 10zSeries Expo 2005 Session V512005-09-19 IBM 7094 – 1962 2 nd generation 7094

11. IBM 11zSeries Expo 2005 Session V512005-09-19  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 System/360 – Announced April 7, 1964 23112401 S/360-75

12. IBM 12zSeries Expo 2005 Session V512005-09-19 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

13. IBM 13zSeries Expo 2005 Session V512005-09-19 System/360 Model 67 University of Newcastle Upon Tyne “DAT box” S/360-67  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

14. IBM 14zSeries Expo 2005 Session V512005-09-19 System/370 with Virtual Storage – Announced August 2, 1972 3850 S/370-148 3705 3350 3505320335253270  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

15. IBM 15zSeries Expo 2005 Session V512005-09-19 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 3033 3031

16. IBM 16zSeries Expo 2005 Session V512005-09-19 System/390 with Enterprise Systems Architecture – Announced September 1990 ES/9000 9672-G5  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)

17. IBM 17zSeries Expo 2005 Session V512005-09-19 zSeries with z/Architecture – Announced October 2000  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 900

18. IBM 18zSeries Expo 2005 Session V512005-09-19 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

19. IBM 19zSeries Expo 2005 Session V512005-09-19 Touch the technology…….

20. IBM 20zSeries Expo 2005 Session V512005-09-19 MSC PU SD SCCLK z9-109 12-way MCM  Advanced 95mm x 95mm MCM –102 Glass Ceramic layers –16 chip sites, 217 capacitors –0.545 km of internal wire  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

21. IBM 21zSeries Expo 2005 Session V512005-09-19 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!

22. IBM 22zSeries Expo 2005 Session V512005-09-19 Job types  Application Programmer  Systems Programmer  Systems Operator  Network Administrator  Database Manager  Database Administrator  Technical Writer  Test Specialists  Project managers  IT Managers  CIO  More…

23. IBM 23zSeries Expo 2005 Session V512005-09-19 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

24. IBM 24zSeries Expo 2005 Session V512005-09-19 More Information  http://www.developer.ibm.com/us/en/university/scholars /products/zseries/index.html 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 http://www.ibm.com/zseries –General information about the platform