AS/400 System Architecture: Underlying Strength of the AS/400e
21
AS/400 System Architecture: Underlying Strength of the AS/400e
To briefly describe the events that take place, we use this figure to illustrate a reasonable
sequence.
Using the hot-plug interface, you first identify a PCI slot. This is accomplished by a function
(flow through OS/400-SLIC-HW) that makes the LED indicator that is associated with this slot
blink. When the slot is physically identified, the interface allows the slot to isolate from the
PCI bus and power it down. Hardware signals through SLIC and the operating system, to the
hot-plug user interface, that the slot is powered off and it is now safe to remove or insert a
card in this slot. At the same time, it turns off the LED indicator associated with the slot to
indicate that the power is turned off.
After a card is inserted in the slot, the user notifies the system to turn the power on for this
slot using the hot-plug user interface. SLIC then signals the standard hot-plug interface to
power on the slot and connect it to the PCI bus. At the same time, it turns on the slot LED
indicator. Through the hot-plug user interface, the user initiates the start of SLIC functions to
initialize the card and prepare it for use by the operating system, including necessary
resource management functions. Once an operational resource is made available by the
operating system, conventional operating tasks can resume.
Hot plug adapters do not auto-configure. Redundant power and cooling fans do
auto-configure. However, they are not recognized as redundant until a cold start is performed
with the system. Instructions for installing hot plug adapters are found in the AS/400
Technical Studio located on the Web at:
http:/www.as400.ibm.com/tstudio/index.htm
Logical Partitioning (LPAR)
As the performance of an enterprise class server grows, the requirement also grows to
distribute that performance to run multiple workloads independently. Partitioning enterprise
servers has become commonplace in the mainframe market since its introduction the
mid-1980s. Typically, separate partitions are used for test releases of applications or to
service multiple business units or companies from a single server.
The AS/400e logical partition implementation introduces both the flexibility to allocate
interactive performance and high-speed internal communications between partitions. The
AS/400e system implementation is an adaptation of the S/390 logical partitions concept with
flexible and granular allocation of system resources.
Always remember this general statement concerning hot-plugging: inserting or removing a
PCI card without following the correct sequence of the procedures can lead to
unpredictable results. This includes data corruption, abnormal termination of the operating
system, and damage to the cards or other AS/400 hardware.
Important
Summary of Contents for AS/400e
Page 2: ......
Page 3: ...AS 400e System Handbook Document Number GA19 5486 20 May 22 2000...
Page 5: ...Table of Contents...
Page 6: ...Table of Contents...
Page 28: ...xxii AS 400e System Handbook...
Page 29: ...23 Introduction...
Page 30: ...Introduction...
Page 40: ...Introduction 10 AS 400e System Handbook...
Page 41: ...11 Concepts and Architecture...
Page 42: ...Concepts and Architecture...
Page 55: ...25 Workload and Performance...
Page 56: ...Workload and Performance...
Page 67: ...37 AS 400 Advanced Technology...
Page 68: ...AS 400 Advanced Technology...
Page 98: ...AS 400e Advanced Technology 68 AS 400e System Handbook...
Page 99: ...69 AS 400 Future Announcements...
Page 100: ...AS 400 Future Announcements...
Page 104: ...AS 400 Future Announcements 74 AS 400e System Handbook...
Page 105: ...75 AS 400e Server Summary...
Page 106: ...AS 400e Server Summary...
Page 124: ...IBM AS 400e server 94 AS 400e System Handbook...
Page 125: ...95 AS 400e Server 250...
Page 126: ...AS 400e Server 250...
Page 145: ...115 AS 400e Server 270...
Page 146: ...AS 400e Server 270...
Page 164: ...AS 400e server 270 134 AS 400e System Handbook...
Page 165: ...135 AS 400e Dedicated Server for Domino...
Page 166: ...AS 400e Dedicated Server for Domino...
Page 172: ...AS 400e Dedicated Server for Domino 142 AS 400e System Handbook...
Page 173: ...143 AS 400e Server 820...
Page 174: ...AS 400e Server 820...
Page 191: ...161 AS 400e Server 830...
Page 192: ...AS 400e Server 830...
Page 205: ...175 AS 400e Server 840...
Page 206: ...AS 400e Server 840...
Page 220: ...AS 400e server 840 190 AS 400e System Handbook...
Page 221: ...191 AS 400e Server SB2...
Page 222: ...AS 400e Server SB2...
Page 229: ...199 AS 400e Server SB3...
Page 230: ...AS 400e Server SB3...
Page 239: ...209 Expansion and Migration Towers...
Page 240: ...Expansion and Migration Towers...
Page 257: ...227 Customer Install Features...
Page 258: ...Customer Install Features...
Page 268: ...Customer Install Features CIF 238 AS 400e System Handbook...
Page 269: ...239 I O Processor...
Page 270: ...I O Processor...
Page 280: ...I O Processor 250 AS 400e System Handbook...
Page 281: ...251 I O Adapter...
Page 282: ...I O Adapter...
Page 307: ...277 PCI Card Placement Rules...
Page 308: ...PCI Card Placement Rules...
Page 337: ...307 Upgrades to AS 400e Server 8xx...
Page 338: ...Upgrades to AS 400e Server 8xx...
Page 360: ...Upgrades to AS 400e server 8xx 330 AS 400e System Handbook...
Page 361: ...331 Internal Storage...
Page 362: ...Internal Storage...
Page 387: ...357 Removable Storage...
Page 388: ...Removable Storage...
Page 410: ...Removable Storage Media Devices 380 AS 400e System Handbook...
Page 411: ...381 Magnetic Media Controllers...
Page 412: ...Magnetic Media Controllers...
Page 432: ...Magnetic Media Controllers 402 AS 400e System Handbook...
Page 433: ...403 External Disk Storage...
Page 434: ...External Disk Storage...
Page 438: ...2105 Enterprise and Versatile Storage Servers 408 AS 400e System Handbook...
Page 439: ...409 Enclosures...
Page 440: ...Enclosures...
Page 445: ...415 Peripherals...
Page 446: ...Peripherals...
Page 478: ...Peripherals 448 AS 400e System Handbook...
Page 479: ...449 OS 400...
Page 480: ...OS 400...
Page 560: ...Operating System 400 5769 SS1 530 AS 400e System Handbook...
Page 561: ...531 Database...
Page 562: ...Database...
Page 587: ...557 Networking...
Page 588: ...Networking...
Page 623: ...593 Lotus...
Page 624: ...Lotus...
Page 646: ...Lotus Enterprise Integrator 5769 LNP 616 AS 400e System Handbook...
Page 647: ...617 Systems Management...
Page 648: ...Systems Management...
Page 669: ...639 Application Development...
Page 670: ...Application Development...
Page 704: ...IBM Licensed Programs Application Development Products 674 AS 400e System Handbook...
Page 705: ...675 Office and Printing...
Page 706: ...Office...
Page 728: ...IBM Licensed Programs Office and Printing Products 698 AS 400e System Handbook...
Page 729: ...699 Earlier Model Summary...
Page 730: ...Earlier Model Summary...
Page 788: ...Summary of All Earlier AS 400 Models 758 AS 400e System Handbook...
Page 789: ...759 Special Notices and Publications...
Page 790: ...Special Notices and Publications...
Page 794: ...Special Notices 764 AS 400e System Handbook...
Page 802: ...AS 400 Documentation 772 AS 400e System Handbook...
Page 805: ...775 Abbreviations...
Page 806: ...Abbreviations...
Page 811: ...781 Index...
Page 812: ...Index...
Page 830: ......
Page 831: ...1 5 spine 1 5 1 998 789 1051 pages AS 400e System Handbook Version 4 Release 5...
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