Hp COMPAQ PROLIANT 5000, COMPAQ PROLIANT 2000, COMPAQ PROLIANT 800, COMPAQ PROLIANT 2500, COMPAQ PROLIANT 1500 intraNetWare Symmetric Multiprocessing
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INTEGRATION NOTE
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October, 1997
Prepared By
Novell Integration
Business Unit, Compaq
Computer Corporation
CONTENTS
Executive Summary........ 3
Introduction ................... 3
Why Do I Need
SMP? ............................. 3
History of SMP at
Compaq .......................... 4
NetWare and
Multiprocessing .............. 4
intraNetWare SMP........... 5
Installing
intraNetWare SMP........... 6
MP Driver ............................ 6
SMP Kernel .......................... 7
SMP Tips ............................. 8
NLM Updates During
Installation ........................... 9
Uninstalling intraNetWare SMP9
MONITOR.NLM
Statistics ........................ 9
Troubleshooting
intraNetWare SMP.......... 10
Glossary of
Multiprocessing
Terminology ..................11
ECG045/1097
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intraNetWare Symmetric Multiprocessing
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This document looks at the evolution of Compaq multiprocessing systems, focuses on the
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development of NetWare SMP, and provides basic installation instructions and tips for
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using NetWare SMP on your Compaq server.
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1
ECG045/1097
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INTEGRATION NOTE (cont.)
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NOTICE
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The information in this publication is subject to change without notice.
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COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL
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OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR
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INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE
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FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.
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This publication does not constitute an endorsement of the product or products that were tested.
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The configuration or configurations tested or described may or may not be the only available
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solution. This test is not a determination of product quality or correctness, nor does it ensure
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compliance with any federal, state or local requirements. Compaq does not warrant products other
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than its own strictly as stated in Compaq product warranties.
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Product names mentioned herein may be trademarks and/or registered trademarks of their
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respective companies.
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Compaq, Compaq Insight Manager, ProLiant, SmartStart, NetFlex, registered United States
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Patent and Trademark Office.
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Netelligent is a trademark and/or service mark of Compaq Computer Corporation.
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Hot Fix, intraNetWare, NetWare 3, NetWare 4, NetWare Loadable Module, NetWare Storage
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Management Services, NetWare SMS, Novell, Novell Directory Services, and NDS and are
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trademarks of Novell, Inc.
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Btrieve is a registered trademark of Pervasive Software, Inc.
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CompuServe is a registered trademark of CompuServe Incorporated.
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ARCserve and JETserve are trademarks of Cheyenne Software, Inc.
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Other product names mentioned herein may be trademarks and/or registered trademarks of their
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respective companies.
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©1997 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A.
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NetWare Symmetric Multiprocessing
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First Edition (October, 1997)
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045A/1097
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2
ECG045/1097
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INTEGRATION NOTE (cont.)
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EXECUTIVE SUMMARY
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The amount of information and the number of network applications on NetWare servers is
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increasing rapidly, as is the dependence on these servers. Resource-intensive services such as
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large databases, multimedia, imaging and document management are becoming more prominent.
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intraNetWare Symmetric Multiprocessing (SMP) allows you to add additional processors to a
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system without adding the overhead of an entire machine with its own hardware (disk drives and
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network cards) and software (operating system and disk drivers). An SMP server also allows a
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network administrator to centralize network services—file, print, communications and
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client/server applications—within one server, which also greatly reduces the number of servers
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that must be managed. As servers handle heavier workloads, the need for increased processing
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power grows, making an SMP solution very attractive. This document looks at the evolution of
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Compaq multiprocessing systems, focuses on the development of intraNetWare SMP, and
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provides basic installation instructions and tips for using intraNetWare SMP on your Compaq
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server.
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INTRODUCTION
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Symmetric Multiprocessing (SMP) denotes the use of multiple processors in an intraNetWare
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environment. Each processor has equal access to system resources, including system interrupts,
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memory, I/O bus and peripheral support. SMP provides more processing power, often at a lower
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cost than multiple single processor systems. The most common need for more processing power
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is in processor-intensive database environments. intraNetWare SMP allows you to add additional
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processors to a system without adding the overhead of an entire machine with its own hardware
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(disk drives and network cards) and software (operating system and disk drivers). An SMP
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server also allows a network administrator to centralize network services—file, print,
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communications and client/server applications—within one server, which also greatly reduces the
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number of servers that must be managed. This document looks at the evolution of Compaq
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multiprocessing systems, focuses on the development of intraNetWare SMP, and provides basic
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installation instructions and tips for using intraNetWare SMP on your Compaq server.
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WHY DO I N EED SMP?
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NetWare SMP offers the greatest potential returns in environments that require intensive
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processing power. The most common example of this can be found in application serving
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environments where large enterprise applications stress the capacity of the typical NetWare file
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server.
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Often in the past, the only option users could find to address the capacity requirements of these
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environments was to implement a new multiprocessing operating system. In most organizations,
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introducing a new operating system represented a costly decision requiring a significant financial
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commitment to develop resources to manage the new environment. However, with NetWare
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SMP, organizations have the option of leveraging the existing skills of their support staffs to
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implement a high-capacity enterprise application serving environment. Benchmark tests run in
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Compaq Integration Labs suggest that NetWare SMP can provide a highly scaleable platform for
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application serving environments.
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3
NOTE: Compaq supports intranetWare SMP. Support for
NetWare 4.10 SMP was discontinued with NPFC v3.04.
ECG045/1097
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INTEGRATION NOTE (cont.)
To obtain this benefit in an application serving environment, your network applications must be
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designed to take advantage of intraNetWare/NetWare 4.11 SMP. Contact your application vendor
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to find out about current support for NetWare SMP. Novell is also updating applications, such as
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GroupWise and MultiProtocol Router v3.0, to support the SMP architecture.
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NetWare SMP also offers some opportunities for organizations using NetWare to provide basic
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network file and print services. Large file serving environments that stress the processor capacity
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of existing NetWare servers may see significant benefit from NetWare SMP. In
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intraNetWare/NetWare 4.11 SMP, the LAN driver interrupts are moved to the secondary
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processors, reducing the load on the boot processor and making more capacity available for other
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functions. Server environments that support multiple LAN segments and maintain high
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processor utilization are most likely to benefit from this capability.
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HISTORY OF SMP AT COMPAQ
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Multiprocessing (MP) in the PC industry began with the Compaq Systempro. While this design
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enhanced performance and supported up to two processors, the support was asymmetrical: only
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one processor could service interrupts. In the case of the Systempro, all interrupts were processed
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by the boot processor. The second processor could run applications but could not service
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interrupts from peripheral boards, timers, or other components.
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The Systempro/XL and ProLiant family were the first Compaq SMP servers and used the 8259
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programmable interrupt controller. This architecture is symmetric: any processor can service any
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interrupt and there are separate Direct Memory Access (DMA) channels, timers and
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Programmable Interrupt Controllers (PIC) for each processor. Because of expanding customer
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needs, Intel has introduced the Multiprocessor Specification (MPS) which is becoming a standard
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for MP.
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Intel’s MPS assumes that an Advanced Programmable Interrupt Controllers (APIC) are available
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in the system. The APIC was developed for multiprocessing environments. Later versions of
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Pentium and Pentium Pro chips have the APIC embedded in the processor to simplify design
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requirements and to guarantee that the APIC functionality will be available for use by operating
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systems. The APIC design provides better interrupt handling than previous designs in SMP
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environments. The largest benefit is that the APIC system dispatches interrupts to the processor
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executing the least important task.
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An additional performance increase is realized through the operating system scheduler. The
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scheduler recognizes high priority tasks and avoids interrupting these tasks when possible, thus
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increasing the overall efficiency of the system. The scheduler also attempts to schedule a task to
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use the same processor that was last used by the task, which is called thread affinity. Because
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each processor has its own cache, if a processor is using information that has already been called
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from system memory and placed in its cache, performance is improved.
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NET WARE AND MULTIPROCESSING
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NetWare versions prior to 4.10 are neither symmetric multiprocessing capable nor preemptive.
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Novell’s first multiprocessing development was the NetWare SFT III architecture which uses
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4
NOTE: The Compaq Advanced Network Fault Detection and
Correction feature (i.e. controller pairing) for NetFlex-3
and Netelligent controllers is not currently supported
under SMP. Compaq is actively working with Novell to
provide this feature under SMP, and it will be available
in the near future.
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