Archived white papers


POWER7® System RAS
This white paper highlights POWER7 server design features that extend the inherent Power Architecture RAS capabilities delivered in previous server generations.

Best Practices for Migrating Linux/x86 Applications to IBM Linux on Power Systems
This paper studies IBM’s recommendations for best practices in the selection and migration Linux/x86 workloads and applications for migrating to Power Systems servers.

IBM EnergyScale for POWER7 Processor-Based Systems
This document describes the functions provided by IBM EnergyScale technology along with usage examples, hardware and software requirements, and information about which functions are supported on which IBM server offerings.

HMC Connectivity Security for IBM POWER5, POWER6 and POWER7 Processor-Based Systems
This document describes data that is exchanged between the Hardware Management Console (HMC) and the IBM Service Delivery Center (SDC) and the methods and protocols for this exchange.

Active Memory Expansion Performance
This paper describes the positive performance impacts of Active Memory Expansion on a typical SAP workload.

Active Memory Expansion: Overview and Usage Guide
Active Memory Expansion can effectively provide more memory to AIX 6.1 (or later) clients running on a POWER7 server. This 25 page white paper provides excellent insights into its usage and considerations.

Optimizing Virtual Infrastructure with PowerVM and the IBM Systems Director VMControl Performance Summary
This white paper describes how the Performance Summary capability in IBM Systems Director VMControl provides IT administrators with key metrics to view and manage virtualized workloads and IT resources.


Migration from HACMP/XD for HAGEO to PowerHA SystemMirror Enterprise Edition, GLVM Configuration
This white paper will assist existing HACMP/XD for HAGEO customers understand how to plan for and accomplish a successful migration to the GLVM configuration of PowerHA SystemMirror Enterprise Edition.

A Comparison of PowerVM and x86-Based Virtualization Performance
This paper discusses the advantages of virtualization, highlights IBM PowerVM, and analyzes the performance of virtualization technologies using industry standard benchmarks.

Advantages of True Enterprise Solid State Drives (SSDs) in Enterprise Systems
Short, to-the-point white paper explaining the difference between low-cost 'consumer' SSD and the enterprise class SSD used by Power Systems and Storage Systems.

IBM EnergyScale for POWER6 Processor-Based Systems 
In this paper, the functions provided by EnergyScale are described along with usage examples, hardware and software requirements, and information about which functions are supported on which IBM server offerings.

Performance Impacts of Flash SSDs Upon IBM Power Systems
This paper examines the results of IBM Power System storage I/O subsystem level testing performed to assess the impact of using NAND Flash based Solid State Drives (SSDs) in RAID configurations for traditional server applications.

IBM Power Platform Reliability, Availability, and Serviceability (RAS)
This white paper provides a detailed review of the reliability, availability and serviceability (RAS) features deigned into the IBM Power Systems family of servers.

IBM PowerVM Active Memory Sharing Performance
This white paper gives guidance on workload selection and workload consolidation along with performance best practices for AMS.

IBM Performance Value of Solid State Drives using IBM i
The paper describes how to deploy SSDs in a tiered storage environment to allow you to leverage your existing storage with SSDs for maximum performance and minimum cost.

IBM PowerVM Active Memory Sharing: An Overview
This paper provides a high-level overview of Active Memory Sharing including an overview of its capabilities, a description of its benefits, and examples of good candidate workloads as well as usage considerations.

Driving Business Value on Power Systems with Solid State Drives
This paper provides information to enable you to integrate SSDs into your storage infrastructure so that you can immediately take advantage of SSDs to improve your application performance and increase productivitys.

IBM Power 595 and 570 Servers CEC Concurrent Maintenance Technical Overview
This paper provides a technical overview and description of these new CEC concurrent maintenance functions.

IBM Power Systems: Designed for Availability
The IBM POWER6 Availability strategy is deeply rooted in an extensive history spanning multiple decades of mainframe development.

IBM Power Systems: Designed for Reliability
This white paper provides an overview of the design points that contribute to a reliable POWER6 processor-based system.

IBM Power Systems: Designing and Implementing Serviceability
This white paper provides an overview of the progressive steps of error detection, analysis, reporting, and repairing found in a POWER6 processor-based system.


Managing IBM Power Servers with IBM Systems Director 6.1
Trends in virtualization and server consolidation require management capabilities without complexity. This whitepaper details how IBM Power Systems administrators can leverage key systems management features of IBM Systems Director 6.1 to achieve their company's goals in these areas.

Smart IOA Performance with External Storage Performance
This 13-page white page shares many insights on the enhanced performance capabilities of externally attached SAN disk storage running IBM i (formally i5/OS) 6.1. POWER6 processor technology and smart IOA technology are key aspects of these enhancements.

An Assessment of Leadership Performance with POWER6 Processors and Red Hat Enterprise Linux 5.1 
This paper highlights the exceptional performance on IBM's POWER6 processor-based systems running with the latest Red Hat Enterprise Linux (RHEL) 5.1, based on recently audited published SPEC CPU2006 and SPECjbb2005 results, including single-system LINPACK metrics, on System p 570 4-core, 8-core and 16-core systems.

x86 Linux application consolidation on Power Systems platforms using IBM virtualization technologies
The IBM Power Systems family of servers delivers consolidation that controls costs while improving performance, availability and energy efficiency. IBM PowerVM Lx86 can help run those applications not yet supported on a Linux on POWER OS, easing consolidation onto Power Systems.

High Availability Cluster Multiprocessing Best Practices
The IBM High Availability Cluster Multiprocessing (HACMP) product supports many configurations and provides lots of flexibility. This document discusses the choices that the cluster designer can make, and suggests the alternatives that make for the highest level of availability.


A POWER6 Virtualization Performance Study Using Integrated Virtual Ethernet
This paper highlights data latency's application to business results, discusses POWER6 virtualization and the Integrated Virtual Ethernet, presents a virtualization performance study, and concludes with further recommendations.

Oracle 10g Release 2 Performance and Tuning on an IBM System p Linux on POWER Platform
This document discusses performance considerations when setting up an Oracle Database 10g Release 2 on Linux on POWER platforms. How to easily setup, deploy and configure these performance features-the performance gains using an OLTP workload on a 128 GB 8-core (16-threads) p5-570.

Java Tuning for Performance and IBM POWER6 Support
This paper describes suggested practices for and performance results of using an IBM Software Development Kit (SDK) for Java on systems powered by the new IBM POWER6 processor. It discusses memory-related and thread-related performance and tuning.

Storage Protection Keys on AIX Version 5.3
This paper will describe a new hardware feature called storage protection keys, or storage keys for short, that will assist the application programmer in locating these inadvertent memory overlays. The storage protection keys application programming interface (API) for user space applications is available in AIX® Technology Level 5300-06 and is supported on all IBM System p™ POWER6™ processor-based servers running this technology level.


DB2 Enterprise Server performance with POWER5+ and AIX 5L multipage support
This paper talks about the IBM DB2, Version 9 for Linux, UNIX, and Windows exploitation of multiple page sizes and also shares some performance results, as measured internally on IBM POWER5+ processor-based systems running the IBM AIX 5L operating system.

Power benchmarking: A new methodology for analyzing performance by applying energy efficiency metrics
This paper discusses the application of power metrics to legacy systems performance measurements. It will define power benchmarking, discuss the history of server power consumption, review energy efficiency measurement considerations for systems, highlight new metrics in the industry, demonstrate the application of this methodology to an industry standard benchmark, and conclude with recommendations for the future.

Guide to Multiple Page Size Support on AIX 5L Version 5.3
AIX 5L Version 5.3 with the 5300-04 Recommended Maintenance Package provides rich support for an application to utilize the different page sizes provided by the POWER5+ processor. Larger page sizes can be used for an application's memory without any application changes, allowing applications to easily utilize the performance efficiencies of larger page sizes like 64KB.

AIX 5L NFS Client Performance Improvements for Databases on NAS
Running a database over a file system structure is now a popular alternative to the traditional storage method using raw logical volumes. The performance issues of buffered I/O and concurrency have been solved with evolving file system technology and are now available on NFS with the latest level of AIX 5L V5.3 ML 3.


Using the Geographic LVM in AIX 5L
This book provides complete planning, installation, configuration and usage information for GLVM in an HACMP/XD environment. This white paper provides some additional information you may find useful to manage a standalone GLVM configuration without HACMP.

Virtualization Security and Integrity in the IBM eServer POWER5 Environment
Security has been a fundamental focus in the design of POWER5 systems as it has in the design of all IBM eServer products. This paper highlights security and integrity in this virtualized environment. The role of security in the on demand environment is presented and hardware and firmware processes are discussed.

Experiences installing Oracle Application Server 10g (9.0.4) Cold Failover Cluster on AIX 5L
The objective of this document is to provide assistance to those involved with the installation of Oracle Application Server 10g (9.0.4) (AS10g) "Cold Failover Cluster" (CFC) solution on IBM AIX 5L (5200) operating system. This paper addresses the preparation of the hardware infrastructure for a CFC deployment of AS10g, the installation of the Oracle AS10g software stack, and some validation tests for installation.

IBM eServer POWER5 Processors Virtual SCSI Throughput Analysis
This throughput analysis highlights Virtual SCSI performance on the IBM eServer p5 570 system with the AIX 5L V5.3 operating system. This study is a follow-on to the previous "IBM eServer POWER5 Virtual SCSI Processors Performance Study."


Service Update Management Assistant (SUMA) on AIX 5L
The Service Update Management Assistant (SUMA) moves the system administrator away from the manual task of retrieving maintenance updates from the Web. SUMA, which is included in the base AIX 5L Version 5.3 operating system, provides clients with flexible, policy-based options allowing them to perform unattended downloads of all AIX 5L updates from the IBM eServer Support Web site.

IBM eServer p5 - AIX 5L Support for Micro-Partitioning and simultaneous multi-threading
IBM eServer p5 servers with POWER5 processors contain new technologies called simultaneous multi-threading and optionally, Micro-Partitioning. AIX 5L Version 5.3 contains support for these new technologies. This white paper describes these new technologies and the AIX 5L support for them.

IBM eServer pSeries 650, 670, and 690—Planning Guide for Capacity Upgrade on Demand
Capacity Upgrade on Demand (CUoD) adds operational and configuration flexibility for IBM eServer pSeries systems. Available for a fee, CUoD allows customers to add additional resources as they are needed. Processors and memory can be brought online to meet increasing workload demands. This guide provides information that is needed when you are planning to purchase an IBM eServer pSeries 650, 670, or 690 server with CUoD features.


Improving Database Performance With AIX Concurrent I/O
A new file system called "Concurrent I/O" (CIO) was introduced in the Enhanced environments, particularly commercial relational databases. In many cases, the database performance achieved using CIO with JFS2 is comparable to that obtained by using raw logical volumes. This paper details the implementation and operational characteristics of CIO, and presents the results of our performance evaluation of CIO with Oracle9i Database.

Contact IBM

Browse Power Systems

Next generation applications for big data and analytics and cognitive computing are providing unprecedented insights into opportunities, threats and efficiencies. IBM Power Systems is at the forefront of delivering solutions to gain faster insights from analyzing both structured information and unstructured big data. With the secure, flexible and open platform of IBM Power Systems plus solutions and software, organizations can outpace their competitors by delivering faster services, providing differentiated offerings and turning operational cost into investment opportunity.

To draw insights and make better decisions, businesses rely on the secure, flexible and open platform of IBM Power Systems. Built with the first processor designed for big data workloads, the design of Power Systems combines the computing power, memory bandwidth and I/O in ways that are easier to consume and manage, building on strong resiliency, availability and security.

IBM Power Systems deliver flexibility and choice of operating systems to enable your business to support the next generation applications for big data and analytics and cognitive computing that are transforming how organizations work today. Whether running 1, 2, or all 3 - coupled with PowerVM, they maximize the benefit of Power Systems in your business.

Transform your business with Systems Software that enables virtualization, high availability, flexibility, security and compliance on Power Systems™. IBM’s integrated approach to developing Systems and Systems Software together delivers optimized results with Power Systems.

As an open innovation platform, Power Systems is optimized for big data and analytics performance and to deliver scale-out economics and security for the cloud. IBM and IBM Business Partner solutions exploit key capabilities in IBM Power Systems.

Over the last five years thousands of clients have migrated to IBM Power Systems for choice and flexibility. Learn how Power Systems has helped them revolutionize the way IT is developed and delivered, optimize for big data and analytics, and support private, public and hybrid offerings for scale-out or scale-up implementations all while improving business performance, reducing risk, and establishing a platform for growth.