IBM eserver i5 User Manual

i5/OS and OS/400 (5722-SS1): Architecture 523
Draft Document for Review October 18, 2004 5486OpS.fm
each application program. This support ensures database consistency by
preventing conflicting data from being entered into the database.
򐂰 Column-level security
You can control access to individual table columns for each user. Row-level
locking individual records (such as, records) are locked from simultaneous,
conflicting access as appropriate to the type of processing being done. Using
commitment control, the user can define a group of records all of whose locks
are held until the user application declares a multiple-change transaction
complete.
򐂰 Two-phase commit transaction management
򐂰 Data replication
򐂰 Open Database Connectivity (ODBC) driver for DB2 UDB for iSeries
enhanced with ODBC 3.5 support and support for Microsoft Transaction
Server (MTS)
MTS support enables DB2 UDB for iSeries to participate in transactions
involving two-phase commit coordinated through MTS. ODBC 3.5 support
also delivers support for Unicode.
򐂰 System-wide database catalog
򐂰 Multiple-level concurrency control
Multiple-level concurrency control provides read stability, cursor stability,
uncommitted read, repeatable read, and no-commit isolation levels with
row-level locking to support large numbers of users in complex application
scenarios.
򐂰 Server consolidation
Multiple DB2 UDB database images within a single instance of the operating
system allows for application flexibility and server consolidation. It provides
the ability for a single application to access multiple database instances with
common database names.
򐂰 SQL enhancements
– A major SQL enhancement is
Identity columns. You can use them to
generate artificial or surrogate key values by telling DB2 to auto-increment
the column value as new rows are inserted into the table.
– Support for unions in a view allows the user to shift some programming
effort into DB2. Instead of forcing the user to remember to combine (union)
all of the required tables, you can create a single SQL view to simplify this
process.
– The SQL procedural language used in the creation of SQL user-defined
table functions (UDTF), UDFs, triggers and stored procedures is also

IBM eserver i5 Specifications

General

Maximum RAM	Up to 256 GB
Operating System	IBM i (formerly OS/400)
Expansion Slots	PCI, PCI-X
Networking	Gigabit Ethernet
Form Factor	Tower or Rack-mounted

Summary

Chapter 1. The next generation iSeries

Simplicity in an on demand world

Describes the on demand world's need for flexible IT infrastructure and how iSeries addresses complexity without it.

Simplify your infrastructure

Details how Eserver i5 servers reduce complexity and enhance productivity through server consolidation.

Integrate to innovate

Explains how to exploit i5/OS integration with IBM software and foster collaboration.

Deliver without disruption

Focuses on clear upgrade paths and IBM Eserver On/Off Capacity on Demand.

Looking toward the future

Discusses the role of iSeries in the on demand world, emphasizing integration and autonomic computing.

Chapter 2. iSeries architecture: Fundamental strength of the IBM @server i5 and iSeries

System concepts

Overview of iSeries servers as a total system, integrating hardware and software for business demands.

iSeries architecture

Describes aspects of the iSeries server architecture that contribute to its success.

Single-level storage

Explains the concept of single-level storage and its benefits for iSeries applications.

Technology Independent Machine Interface

Details TIMI, which insulates application programs from changing hardware characteristics.

POWER Hypervisor

Describes the POWER Hypervisor code layer for Eserver i5 servers, enabling virtualization.

Hierarchy of microprocessors

Discusses the microprocessor design hierarchy and its role in integrating diverse environments.

Advanced I/O architecture

Details the powerful and flexible I/O architecture of AS/400 and iSeries servers.

Reliable, managed availability

Highlights the iSeries server's history of designing key functions for hardware and software availability.

Virtualization technology

Explains how virtual technology enables resource sharing in an integrated, flexible computing environment.

AIX 5L and logical partitions

Details AIX 5L V5.3 and V5.2 support in logical partitions on IBM Eserver i5.

Linux for iSeries and Eserver i5

Discusses the arrival and benefits of Linux as a platform for iSeries.

IBM i5/OS

Explains the meaning of i5/OS as a single entity and its integrated functions.

Object-based

Describes the concept of objects and their consequences for system independence and integrity.

DB2 Universal Database

Highlights DB2 UDB for iSeries features, open systems, and standards-based technology.

iSeries web serving

Explains how IBM i5/OS features can be used to create a Web presence with IBM WebSphere.

Lotus Domino for iSeries

Describes Lotus Domino for iSeries as a leading groupware solution for collaborative on demand business.

iSeries Navigator

Details the iSeries Navigator GUI for systems management tasks.

Management Central-Pervasive

Highlights the capability to manage iSeries servers remotely via Internet-capable devices.

EZ-Setup

Describes the EZ-Setup application for simplifying iSeries server setup.

Chapter 3. Workload, capacity, and performance

Commercial Processing Workload

Explains Commercial Processing Workload (CPW) as a measure of iSeries and AS/400e processor performance.

5250 CPW

Defines 5250 CPW as a value representing processing power for 5250 OLTP work.

Simultaneous multithreading explained

Explains how multithreading allows a processor to handle multiple tasks concurrently.

Capacity on demand

Discusses IBM Eserver i5 and iSeries capacity on demand for activating processor resource.

Workload measurement and sizing tools

Covers tools available for capacity planning and performance management with i5/OS V5R3.

IBM Eserver Workload Estimator

Describes the Web-based estimation tool for recommending system configurations.

Disk arm requirements

Explains the importance of sizing an iSeries server with appropriate disk arms.

iSeries Editions

Details the flexible options packages offered for iSeries servers.

Chapter 4. iSeries direction

Product Previews

Identifies specific functions IBM has committed to incorporate into future iSeries releases.

Statement of Direction

Identifies IBM's commitment to iSeries servers regarding design and technology plans.

Planning information

Helps customers plan for changes and protect investments as business needs evolve.

Withdrawn products

Lists products and features withdrawn from IBM marketing.

Features and devices not supported with V5R3

Lists features and devices not supported with IBM i5/OS V5R3.

Chapter 5. Summary of today’s iSeries

Table 1: Summary of the iSeries Model 520

Summarizes resource capabilities and performance characteristics of the Model 520.

Table 2: Summary of the iSeries Model 550

Summarizes resource capabilities and performance characteristics of the Model 550.

Table 3: Summary of the iSeries Model 570, part 1

Summarizes resource capabilities and performance characteristics of the Model 570.

Table 5: Summary of the iSeries Model 595

Summarizes resource capabilities and performance characteristics of the Model 595.

Table 6: Summary of the iSeries Model 800

Summarizes resource capabilities and performance characteristics of the Model 800.

Table 7: Summary of the iSeries Model 810

Summarizes resource capabilities and performance characteristics of the Model 810.

Table 8: Summary of the iSeries Model 825

Summarizes resource capabilities and performance characteristics of the Model 825.

Table 9: Summary of the iSeries Model 870

Summarizes resource capabilities and performance characteristics of the Model 870.

Table 10: Summary of the iSeries Model 890

Summarizes resource capabilities and performance characteristics of the Model 890.

Chapter 6. iSeries Model 520

Model overview

Provides a closer look at the minimum functional server, required, and optional features.

Minimum functional server

Details the base server unit and selected priced features for the minimum functional server.

Required features

Lists the specific combinations of Processor, Edition, and Server features allowed.

Optional features

Describes optional features for the Model 520 system unit.

Processor features

Details the processor features for the Model 520, including cache and memory positions.

Main storage

Lists supported memory features for the Model 520 and configuration considerations.

Model 520 PCI cards and features

Explains the PCI-based technology system and supported PCI cards for Model 520.

External towers

Discusses external towers supported with upgrades for migration only.

Model 520 upgrades

Provides general upgrade considerations and server-to-server upgrade possibilities.

On Demand features

Details Capacity on Demand options for activating additional processor resource.

Chapter 7. iSeries Model 550

Model overview

Provides a closer look at the minimum functional server, required, and optional features.

Minimum functional server

Details the base server unit and selected priced features for the minimum functional server.

Required features

Lists the specific combinations of Processor, Edition, and Server features allowed.

Optional features

Describes optional features for the Model 550 system unit.

Processor features

Details the processor features for the Model 550.

Main storage

Lists supported memory features for the Model 550.

Model 550 PCI cards and features

Explains the PCI-based technology system and supported PCI cards for Model 550.

External towers

Discusses external towers not supported on Model 550, but PCI towers for migration.

Model 550 upgrades

Provides general upgrade considerations and server-to-server upgrade possibilities.

On Demand features

Details Capacity on Demand options for activating additional processor resource.

Chapter 8. iSeries Model 570

Model overview

Provides a closer look at the minimum functional server, required, and optional features.

Minimum functional server

Details the base server unit and selected priced features for the minimum functional server.

Required features

Lists specific combinations of Processor, Edition, and Server features allowed.

Optional features

Describes optional features for the Model 570 system unit.

Processor features

Details the processor features for the Model 570.

Main storage

Lists supported memory features for the Model 570.

Model 570 PCI cards and features

Explains PCI-based technology and supported PCI cards for Model 570.

External towers

Discusses external towers not supported on Model 570, but PCI towers for migration.

Model 570 upgrades

Provides general upgrade considerations and server-to-server upgrade possibilities.

On Demand features

Details Capacity on Demand options for activating additional processor resource.

Chapter 9. iSeries Model 595

Model overview

Provides a closer look at the minimum functional server, required, and optional features.

Minimum functional server

Details the base server unit and selected priced features for the minimum functional server.

Required features

Lists specific combinations of Processor, Edition, and Server features allowed.

Optional features

Describes optional features for the Model 595 system unit.

Processor features

Details the processor features for the Model 595.

Main storage

Lists supported memory features for the Model 595.

Memory placement

Provides rules for placing memory DIMMs according to the Model 595 specifications.

Model 595 PCI cards and features

Explains PCI-based technology and supported PCI cards for Model 595.

External towers

Discusses external towers not supported on Model 595, but PCI towers for migration.

Model 595 upgrades

Provides general upgrade considerations and server-to-server upgrade possibilities.

On Demand features

Details Capacity on Demand options for activating additional processor resource.