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Introduction to System i Hardware and Software

Introduction to System i for Computer Professionals. Introduction to System i Hardware and Software. Module 2. Module Objectives. After completing this module, you should be able to: Describe a typical System i configuration Describe the System i models and upgrade paths

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Introduction to System i Hardware and Software

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  1. Introduction to System i for Computer Professionals Introduction to System i Hardware and Software Module 2

  2. Module Objectives After completing this module, you should be able to: • Describe a typical System i configuration • Describe the System i models and upgrade paths • Explain the difference between POWER4 and POWER5 • Describe supported peripherals for System i • List the categories of software products available on the System i

  3. IOP IOP IOP IOP IOP LAN Hardware Schematic Central Electronic Complex . . . Processor Processor Processor . . . Cache-L1/L2 Cache-L1/L2 Cache-L1/L2 System Main Storage Bus I/O Interface I/O Interface Main Storage Main Storage Main Storage Main Storage SPD I/O Buses PCI I/O Buses SPD I/O Buses PCI I/O Buses SPD I/O Buses PCI I/O Buses IOP Token Ring Ethernet Local Talk FDDI Integrated Server Tape Optical DASD Twinax ASCII Apple PCI LAN Attached Devices Future Co-processors SPD-System Product Division PCI-Peripheral Component Interconnect

  4. 1.3GHz Processor 1.3GHz Processor L1 L1 Shared L2 Cache I/O Bus L3 Cache Processor local bus MEMORY Main Processor Central Processing Unit • Many generations of processors • Choice of processing speeds • Range of: • Processor cycle speed (MHz rating) • L1/L2/L3 cache • Multiple threads • Multiple processors • N-way systems • N = 1, 2, 4, 8, 12, 24, 32, 64 (new Model 595 System i using two partitions) • Capacity on demand • Range of throughput capacities • Based on combination of: • Generation of processors • Number of processors System i Model 595 100+ GB/sec L3 Controller L3 Directory FABRIC CONTROLLER XBAR SWITCH 50+ GB/sec

  5. CPU Models System i Models • Machine type (xxxx) • For example: 9402, 9404, 9406, System i • Model (aaa) • For example: Bxx, Cxx, Dxx, Exx, Fxx, 3xx, 5xx, 6xx • For example: nnS,Sxx, 170 • For example: 270, 7xx, 8xx • For example: i825, i830, i840, i870, i890 • For example: 550, 570, 595 • Each with different throughput capacities • Measured by CPW (Commercial Processing Workload) • Largest CPW is 184,000 on System i Model 595 • Processor architecture • Speeds of up to 2.2 GHz • Cache size (level-1/level-2/level-3) • Parallel threads management POWER5+

  6. Power Architecture: A Platform for Innovation Power Architecture IBM POWER4 Power Everywhere IBM POWER5 POWER IBM POWER5+ IBM PowerPC POWER Exploiting the industry’s most successful 64-bit processor technology “Power Architecture is more than just a technology, but rather, a movement for change. It’s time for an architecture that enables innovation to flourish. It’s time for Power Everywhere.” Nick Donofrio, IBM Senior Vice President IBM Technology & Manufacturing

  7. A Decade of 64-bit Microprocessor Excellence • 9th generation 64-bit processor • 6th generation POWER processor POWER6 Future POWER5+ 2005-6

  8. Power Architecture and IBM POWER5 (+) POWER4 POWER5 POWER4 MCM POWER5 MCM

  9. IBM System i

  10. Upgrades POWER5+ POWER5 POWER4 595* Enterprise & Standard 890 Enterprise & Standard 595 Enterprise & Standard 870 Enterprise & Standard 570 Enterprise & Standard 570 Enterprise & Standard 550 Enterprise & Standard 825 Enterprise & Standard 550 Enterprise & Standard 520 Enterprise & Standard 520 Enterprise & Standard 810 Enterprise & Standard 520 Value & Express 520 Value & Express 800 * The new 595 1.9 GHz is a POWER5 processor.

  11. What Processor? System values for processor • Accessed through green screen • QMODEL • System model number • 3-digit number • QPRCFEAT • Processor feature • 4-character valueProcessor capacityInteractive (5250) capacity • QSRLNBR • System serial number • 7-character value • Unchanged even if system is upgraded • Accessed through iSeries Navigator • Configuration and service • System values • System and user defaults System value . . . . . : QMODEL Description . . . . . : System model number Model number . . . . . : 270 System value . . . . . : QPRCFEAT Description . . . . . : Processor feature Processor feature . . : 23F1 System value . . . . . : QSRLNBR Description . . . . . : System serial number Serial number . . . . : 657361B

  12. Other CEC Components • Memory • Multiple memory cards • Choice of memory capacity • Up to 2 TB • What's installed? • WRKHDWRSC (green screen) • *PRC • Configuration and service (iSeries Navigator) • Hardware • Storage cards • Capacity per card • iSeries Navigator • I/O buses • Dependent on attached peripheral I/O processors • I/O processors • Supports • Disk (190 TB) • Tape • Communication adapters • Local area network attach • Communication-line attach • Workstation adapters Note: Each System i hardware component is identified by a 4-digit feature code.

  13. Peripherals • Disk drives • High capacity (2 GB – 70 GB drives) • High speed (10,000 rpm – 15,000 rpm) • High performance (2-3 msecs) • What's installed? • WRKDSKSTS (green screen) • Disk drives/type • Configuration and service (iSeries Navigator) • Hardware • Tape drives • High capacity (300 GB/cartridge – 900 GB/cartridge • High speed (35 MB/sec – 70 MB/sec) • High performance • Restore rate on single 3592 drive – 390 GB/hour • Communications adapters • Fiber optics • Gigabit Ethernet • Workstations • Screens • Printers

  14. xSeries Server Integration • Integrated xSeries servers • Up to 60 per System i • 2 GHz Intel Xeon Processor • 512 KB on-chip L2 Cache • Up to three LAN adapters • Token ring • Ethernet • Integrated xSeries adapters (PCI) • Up to 60 per System i • Direct attach of N-way IBM xSeries servers • Connected via high speed link (HSL) • Provides scalability System i System i PCI Bus Attach PCI IBM xSeries Server high-speed link

  15. System i Software

  16. Overview • System software • Operating system (5722SS1) • Previously called OS/400 • Currently i5/OS (V5R4) • Database management system • DB2 UDB for i5/OS • Support for applications "native" to other operating systems • UNIX Application Programming Interfaces (API) • Provides conformity to many UNIX standards • Portable Application Solutions Environment (PASE) • AIX-based applications • AIX support • ‘Guest” operating system • Integrated xSeries server • Intel-based applications • Linux support • "Guest" operating system • Application software • Character-based (5250) applications • "Home-grown" • Independent Software Vendors (ISV) - “packages" • Client/server applications • DB server • Application server

  17. i5/OS V5R4 • Load source size • i5/OS V5R4 requires a load source of at least 17 GB. Note the load source must be able to reside on a disk drive which is 17 GB or larger. Prior to upgrading to i5/OS V5R4, ensure your load source for each i5/OS partition is 17 GB or larger. • V5R4 i5/OS is supported on System i models • 270, 520, 550, 570, 595, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3. • Planning statement • i5/OS V5R4 is the final release that will be supported for models 270, 820, 830, 840, SB2, and SB3. • The next release after V5R4 is planned to be supported on System i models 800, 810, 825, 870, 890, 520, 550, 570, and 595.

  18. i5/OS Functions • System Resource Management • Processor(s) • Memory • Disk • System Control Interface • Control Language (CL) Support • High-level Programming Language • System or User-written Commands • Integrated Support • Security • Communications • System Network Architecture (SNA), TCP/IP • Windows Network Neighborhood Support • HTTP/Apache and so forth • System Management • System Managed Access Path Protection (SMAPP) • iSeries Navigator • Management Central • DBMS - DB2 UDB for i5/OS

  19. Application Software • Traditional Applications • Workload • Interactive, Character-based ("5250 or green-screen") • Interactive Capacity (ICPW) • Batch (no ongoing user interaction) • Total Capacity (CPW) • Support through specific System i "Jobs" • Application Users = System i "Users" - refer Work Management • Client/Server Applications • Workload • Information Processing • Interactive/OLTP • Batch • Database Serving • Native i5/OS Server Applications • ISV-written Server Applications • Interaction with System i Jobs • Application Users may or may not be known to System i • For example: SAP R/3 - specific users known only to the application • For example: BaanERP - specific users known to System i

  20. Other Software Products • TCP/IP Connectivity Utilities (TC1) • Backup and Recovery Media Services (BR1) • Application Development Tools (WDS) • Program Development Languages • Report Program Generator (RPG) • Common Business Oriented Language (COBOL) • C Language • Control Language (included with i5/OS) • Query (QU1) • DB2 Query Manager (ST1) • Structured Query Language Support • Performance Tools (PT1) • Performance Management (PM1) • Cryptographic Support (CR1) • Advanced Job Scheduler (JS1) • Lotus Domino (5733LD7) • And so forth

  21. Module Summary Having completed this module, you should be able to: • Describe a typical System i configuration • Describe the System i models and upgrade paths • Explain the difference between POWER4 and POWER5 • Describe supported peripherals for System i • List the categories of software products available on the System i

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