IBM i Series, Handbook

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Introduction
Introduction
The iSeries features a unique design that delivers the benefits of today’s innovative
technology without complexity. With V5R1, this design has been extended to take advantage
of the latest industry leading technology and new OS/400 capabilities.
In the year 2000, the IBM
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iSeries Models 270 and 8xx were introduced to
significantly accent the evolution of the IBM server product line. SStar processors refreshed
the iSeries models to run faster than the iStar processors.
With V5R1, there are new, more powerful processor features based on IBM’s industry leading
Copper/Silicon on Insulator (SOI) technology, and increased disk and memory capacities
provide increased performance and scalability. New Capacity Upgrade on Demand options on
the Model 840 allow the activation of processor performance as it is needed.
Storage options are enhanced. The Storage Area Network (SAN) environment is supported
using Fibre Channel disk and tape adapters. Faster, less expensive, system-to-system
clustering with High Speed Link (HSL) OptiConnect brings increased high availability. With
switchable disk clusters, the need for redundant data is reduced.
OS/400 V5R1 provides some of the industry’s foremost application flexibility, with support for
Linux, Lotus Domino, Java, Microsoft Windows, Unix, and iSeries applications. High
availability is combined with superior workload management and logical partitioning.
OS/400 V5R1 and the iSeries server stand out with robust reliability and scalability for the
fast growing open source Linux environment. Users can quickly deploy PowerPC Linux
applications while taking advantage of iSeries reliability and scalability.
Up to thirty-two partitions on a single iSeries server and dynamic resource allocation permit
different applications to run safely and efficiently side by side. Options for managing windows
application serving are greatly enhanced with the new integrated server options. An iSeries
server can be attached to up to sixteen direct attach n-way xSeries servers, or up to thirty-two
internal Integrated xSeries Servers, and provide SAN functions for these directly attached
Windows 2000 servers.
OS/400 V5R1 includes a broad range of enhancements for e-business and application
enablement, OS/400 PASE, XML, Client Access, directory services, IBM HTTP Server
(powered by Apache), database, Java, Internet printing, Extreme Support Personalized
(ESP) enhancements. These enrichments include:
• Faster processors to boost top performance on Models 270, 820, and 840.
• Three new base processors on the Model 820 designed for compute-intensive
workloads.