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AIX 5L Version 5.1

Robust, scalable and reliable AIX 5L Version 5.1 builds on its solid AIX heritage to deliver advanced technology and provide customers with a competitive advantage. It oper- ates over a range of POWER-based systems, including the IBM ^ pSeries and IBM RS/6000.® In addi- tion, AIX 5L provides the reliability, availability, performance and security required by today’s e-businesses. It continues as a leader in its adherence to operating system standards and is 98 branded.

AIX is fully integrated to support The only one existing 32- and 64-bit hardware sys- Highlights AIX® 5L Version 5.1, the next gen- tems in their full range of scalability, eration of AIX, is an open, scalable with improved software features. It Provides a robust, scalable, UNIX operating system from IBM. integrates key Internet technologies, secure and reliable UNIX ® Compared to AIX version 4.3, it pro- such as Java and IP multipath routing, platform for critical e-business and Internet applications vides increased levels of integration, and offers a full complement of flexibility and reliability – essential development tools, including a Adds new elements to enhance for meeting the high demands of Performance Toolbox for system security, workload management, today’s mission-critical e-business profiling and tuning. system management and Java TM applications. Only one UNIX oper- software scalability ating system leads the industry in AIX provides the widest choice of delivering advanced software UNIX business solutions, leadership Offers the most open UNIX functions, an operating system for technology and flexibility for the operating system with ® POWER and Intel® -based future. And, with 32-bit application affinity and support for POWER platforms, and an affinity with Linux. binary compatability, customers can and ItaniumTM-based servers That UNIX is AIX. be assured that AIX 4.3 applications (developed in accordance with IBM guidelines) will continue to run. Brings new enhancements job priority and scheduler dynamics. IBM AIX Developer Kit, Java 2 AIX continues its tradition of innova- This is a valuable asset for critical Technology Edition, provides a tion and excellence, strengthening business solution areas such as cooperative interface between its leadership network security by e-business, business intelligence, the AIX kernel and Java technology enabling the use of Certificate consolidation and enterprise for improved application scalability Revocation Lists with the Internet Key resource planning. and performance over the range Exchange (IKE) protocol for authenti- of IBM UNIX servers. It also better New enhancements to Workload cating remote users or devices. This enables AIX for Java runtime and Manager include the addition of feature further enhances the AIX IP applications development. an application programming interface security function for Virtual Private (API), enabling external applications Another enhancement is a new Networking support. AIX 5.1 imple- to modify system behavior. A new version of Journal System – ments MIT’s Kerberos V5 Release accounting subsystem allows users to JFS2. This file system allows data 1.1 network authentication service perform resource usage accounting to be stored in a more contiguous to negotiate and optionally encrypt per WLM class in addition to standard manner to minimize wasted space. communication between two points accounting per user or group. It also uses database techniques on the Internet or between compo- to maintain structural consistency nents in a system. Workload Manager is easily acces- and is designed to prevent damage sed through the Web-based System AIX helps ensure that critical to the file system if the system is Manager (i.e., an intuitive, graphical applications meet user expectations halted abnormally. interface), the System Management even during periods of heavy, unpre- Interface Tool (SMIT), as well as dictable demand. AIX Workload Linux affinity for flexible solutions through AIX commands. Manager (WLM) allows customers to AIX provides a wide choice of define a resource allocation policy critical UNIX business solutions, Reliable Scalable Cluster Technology that dynamically addresses applica- leadership technology and strategic (RSCT) allows monitoring of system tion requirements and allows proces- flexibility for the future. A strong affin- resources either automatically by the sor cycles, real memory and disk ity between AIX and Linux provides system or by an administrator. These I/O to be divided between jobs. that allow popular applications resources – such as file systems, Business needs are translated into developed on Linux to run on AIX with programs, processors, adapters and policies that automatically recognize a simple recompilation. These APIs kernel information – are monitored work in conjunction with Linux open around the clock with preprogram- source software available separately med responses being run when spec- ified threshold values are reached. This results in improved systems man- agement and operational productivity. from IBM as the AIX Toolbox for IBM POWER and Intel Itanium arch- Security customers can count on Linux Applications. Customers can itectures. Furthermore, AIX has AIX provides the seamless system, port existing Linux open source embraced the open development network and transaction security applications to AIX, enhance those movement through a strong affinity required for mission-critical applications and develop portable with Linux, making it the most e-commerce. In fact, AIX was the applications utilizing common Linux open UNIX operating system in first operating system to receive development tools. the industry. Virtual Private Network certification from the International AIX incorporates Linux compatible AIX allows users to run the applica- Security Association (ICSA). AIX bun- APIs and header files to provide tions they want, on the hardware dles a complete set of VPN functions source compatibility. AIX and the they want. It offers an unprecedented that are ICSA certified and based AIX Toolbox for Linux Applications level of flexibility, choice and open- on the IPSec standard, a definition can help customers realize a smooth ness for managing the demands of developed by a working group of the technology transition between two of e-businesses now and in the future. IETF (Internet Engineering Taskforce) the industry’s most open standards- to provide a stable, long-lasting base based operating environments, AIX 64-bit performance now for network layer security. and Linux. Exceptional 64-bit performance does not come from the 64-bit Service and support to help keep Because the applications are running processors alone, but from the com- businesses running on AIX, customers are able to com- bined ability of the hardware and the AIX provides a platform that lets bine the flexibility of Linux with the operating system. On 64-bit POWER- businesses get the most out of advanced features of AIX, including based systems, AIX provides full today’s mission-critical applications advanced workload management, coexistence between 32- and 64-bit while positioning them for the future. sophisticated systems management applications, running applications And like all IBM server products, AIX tools and security. concurrently or cooperatively, sharing is backed by the worldwide service access across files, memory and and support of IBM. Freedom of choice: other system services. This greatly POWER or Itanium smoothes the transition from 32-bit IBM has taken the UNIX platform to to 64-bit applications as the use the next level by including a 64-bit of 64-bit POWER-based solutions kernel that exploits the speed becomes more prominent in and processing power of both the the industry. Following are the new features added exclusively for AIX 5L Version 5.1

Feature Benefit

Flexibility Multiplatform operating system Flexibility to select a POWER- or Itanium-based system helps protect investments in applications, processes and skills

Affinity with Linux Helps reduce cost and improve e-business solutions by allowing portable Linux applications to be combined with the scalability and robustness of AIX

System Scalability New JFS2 File System Efficient storage of large (4 Petabyte limit, 1 Terabyte tested) files for deployment of advanced e-business applications

Selectable Logical Track Group (LTG) Helps administrators tune disk storage for optimum performance e-business and Network Performance Virtual IP Address (VIPA) Helps applications remain available if a network connection is lost

IP Multipath Routing Improves network availability by providing multiple routes to a destination

Multiple Default Gateways Keeps traffic moving through a network by detecting and routing around dead gateways

Extended Memory Allocator Helps improve performance of applications that request large numbers of small memory blocks

Security Kerberos V5 Authentication (POWER only) Helps administrators simplify password authentication for users connecting to several machines

Java Software Included in base AIX Provides a popular cross-platform for e-business applications

Systems and Workload Management /proc file system Helps system administrators more easily review system workloads and processes for corrective action

RSCT Automates system monitoring thereby helping to improve system availability and performance

UNIX System Release 4 (SVR4) Printing Allows users comfortable with SVR4 utilities to more easily use AIX

Accounting in Workload Manager Allows users to collect system resource usage information for billing or reporting purposes Feature Benefit

Storage Optional Passive LVM Mirror Helps maintain application and data integrity in the event of a system crash Write Consistency

Optional hot spare disk support Improves availability of applications or data

Hot spot management commands for Allows administrators to identify hot spots for relocation without sacrificing availability Logical Volume Manager

Reliability, Availability, Serviceability (RAS) Automated system hang recovery Helps systems remain available without administrator intervention

Consecutive counting of duplicate errors Avoids error capacity overloads

Ability to deactivate active paging space Dynamically allows deactivation without rebooting

Automatic analysis and Accelerates customer support and problem diagnosis e-mail forwarding

Dump compression and capacity warning Helps avoid situations where dump exceeds system recording capacity

Development and Performance Tools “pax” archive format Enables 64-bit ready support for files larger than 2GB

New and enhanced Tools Plus program Allows administrators and users to more easily collect information and optimize system interfaces for access to Performance performance in addition to identifying correct upgrade components Monitor data AIX Expansion Pack and Bonus Pack © Copyright IBM Corporation 2001

The AIX Expansion Pack (new with Integrated Marketing Communications, AIX 5L) extends the base operating Server Group Route 100 system by providing encryption sup- Somers, NY 10589 port, a browser to view online html Published in the United States of America publications, and an http server to 04-01 All Rights Reserved serve online publication pages and References in this publication to IBM products support Web-based System Manager. or services do not imply that IBM intends to make them available in every country in which IBM oper- ates. Consult your local IBM business contact for The AIX Bonus Pack complements information on the products, features and services AIX by adding features, functions available in your area. and programs. An Expansion Pack IBM, the IBM logo, the e-business logo, pSeries, AIX and RS/6000 are trademarks or and a Bonus Pack are included with registered trademarks of International Business every new order of AIX 5L Version 5.1 Machines Corporation. when media is selected. Both packs UNIX is a registered trademark of . can be ordered separately for exist- LINUX is a registered trademark of Linus Torvalds. ing AIX licenses. Java-related marks are trademarks or registered trademarks of Inc. in the United For more information States and other countries.

For more information on AIX 5L Intel and Itanium are registered trademarks of Version 5.1 and upgrade benefits, Intel Corporation. contact your IBM representative, IBM Other trademarks and registered trademarks are the properties of their respective companies. Business Partner or visit the following IBM hardware products are manufactured from Web sites: new parts, or new and used parts. Regardless, our warranty terms apply. .com/servers/aix Photographs shown are of engineering pro- ibm.com/eserver/pseries totypes. Changes may be incorporated in production models. ibm.com/ibmlink This equipment is subject to all applicable FCC rules and will comply with them upon delivery.

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All statements regarding IBM’s future direction and intent are subject to change or withdrawal without notice, and represent goals and objec- tives only.

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