Compaq 108164-003 - ProLiant - 800 Guide de référence rapide

WHITEPAPER

ECG007.0897

September 1997

Prepared by Internet

Solutions Engineering

Compaq Computer

Corporation

CONTENTS

A message from

Paul Smart, Vice

President of

Research and

Development,

Collaboration

Services.........................0

Objective........................0

GroupWise

Architecture ...................0

Functionality of GroupWise 5.2

Server.................................0

GroupWise System

Requirements................. 0

Client..................................0

Server.................................0

Performance

Management................... 0

Overview .............................0

Novell Super Laboratory ........0

Test Configuration ................0

Test Procedure.....................0

Subsystem Performance

Comparison..........................0

Performance

Tuning............................0

Bus System Tuning...............0

Hard Disk Controller Tuning...0

NetWare Operating System

Tuning.................................0

Performance

Conclusions ...................0

System Processor.................0

Memory............................... 0

Disk Subsystem.................... 0

Proof of Concept of

Sizing the

GroupWise Server .......... 0

Novell GroupWise Performance

Management on Compaq Servers

This Compaq White Paper provides the results of a performance analysis conducted by

Novell and Compaq engineers on the GroupWise Server for Novell IntranetWare. The

information here is based on technical knowledge acquired by both Novell and Compaq

engineers while testing these products in a closely controlled environment.

This paper is for system integrators and network administrators with knowledge of

Compaq Server products, Novell GroupWise, and IntranetWare. It is a supplement to the

“Compaq Hardware Reference” document and the “Novell GroupWise 5.2”

documentation. The results and conclusions of this paper provide

•an understanding of how Novell GroupWise works, including performance impact

with various hardware configurations.

•suggestions for improving your GroupWise Server for IntranetWare performance.

•recommendations for selecting the appropriate server hardware for your GroupWise

Server for IntranetWare.

WHITE PAPER (cont.)

ECG007.0897

NOTICE

The information in this publication is subject to change without notice.

COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL

OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR

INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE

FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.

This publication does not constitute an endorsement of the product or products that were tested.

The configuration or configurations tested or described may or may not be the only available

solution. This test is not a determination of product quality or correctness, nor does it ensure

compliance with any federal, state or local requirements. Compaq does not warrant products other

than its own strictly as stated in Compaq product warranties.

Product names mentioned herein may be trademarks and/or registered trademarks of their

respective companies.

Compaq, ProLiant, Pentium Pro, Novell, NetWare, NetWare Directory Services, GroupWise,

GroupWare, IntranetWare are registered with the United States Patent and Trademark Office.

Other product names mentioned herein may be trademarks and/or registered trademarks of their

respective companies.

Novell GroupWise Performance Management on Compaq Servers

First Edition (September 1997)

ECG007.0897

WHITE PAPER (cont.)

ECG007.0897

A MESSAGE FROM PAUL SMART, VICE PRESIDENT OF

RESEARCH AND DEVELOPMENT, COLLABORATION SERVICES

The tests that Compaq performed in the Novell Superlab clearly demonstrate the overall

scalability that GroupWise, IntraNetWare and Compaq servers can offer. The SuperLab is unique

in that it provides a testing environment for 1000+ machines. The testing is much more realistic

with no simulation of connected users or desktops.

The combination of IntraNetWare, GroupWise and Compaq servers deliversa level of

performance, scalability and reliablity that will help customers realize the highest Return on

Investment.

OBJECTIVE

One objective of this Compaq White Paper is to provide information to assist current customers

running Novell GroupWise R5.2 for IntranetWare on Compaq servers in optimally configuring

their server(s) to achieve the highest possible performance from their hardware and software.

Information is also provided that will assist customers in making configuration upgrade decisions

that may be based on an anticipated return in performance gains.

Another objective is to provide information to assist future customers in selecting the appropriate

server hardware configuration for their operating environment. Data provided illustrates

performance and system utilization that can be expected for various processor types, server

memory quantities, and disk subsystem choices. Customers may use this data to determine which

price-for-performance configuration would best suit their business needs.

GROUPWISE ARCHITECTURE

GroupWise offers expanded E-mail and Integration with Internet/intranet

technologies. If you can use E-mail or a browser, you can use GroupWise.

The Internet has changed the face of business communications. While E-mail is fine for sending

messages back and forth, in today’s marketplace—where survival often depends on your ability to

collaborate and share information—E-mail isn’t enough. In order to work effectively, you need

the tools to send and retrieve messages, access shared documents, store voice-mail messages and

make appointments. Just as important, you need a tool that lets you get the information you need

when and where you need it. With expanded Internet capabilities and an elegant, easy-to-use

interface, GroupWise 5.2 is that tool. The following figure depicts the GroupWise 5.2

Architecture.

WHITE PAPER (cont.)

ECG007.0897

Functionality of GroupWise 5.2 Server

•Full-featured E-mail

•Document management

•Calendaring and scheduling

•Workflow

•Imaging

•Remote Access

•Conferencing

•Paging

•Forms

•Voice mail integration

•Faxing capabilities

•Intranet/Internet integration

•and more...

Figure 1. GroupWise 5.2 Architecture

WHITE PAPER (cont.)

ECG007.0897

Everything You Need In One Place

The workplace is hectic enough without constantly having to search for E-mail, Web addresses,

faxes, voice-mail, documents, appointments, and to-do lists. GroupWise allows you to gather all

that information in one place, with a simple interface that’s as easy to manage as E-mail. It’s

called the Universal Mailbox, and it even lets users store Web addresses that link directly to the

referenced home page.

Get All Your Docs In Line

GroupWise Document Management lets several people work simultaneously on a single

document. And a new feature, Jefferson Project technology, provides users with a full-featured

Web publishing environment that allows them to easily collaborate on authoring, preparing and

approving Web documents. It even keeps track of multiple versions of documents and monitors

who’s working on them. Jefferson Project technology enables you to manage corporate

information on intranets and the Web, while providing the security, management and

administration features required to keep that information secure, up to date and easily accessible.

Unify Network And Communications Administration

Running GroupWise with IntranetWare or NetWare 4 doesn’t just offer incredible performance, it

streamlines administration, as well. NDS™(Novell Directory Services™) provides a global

directory and single point of administration for GroupWise, IntranetWare or NetWare. So there’s

no duplication of effort when you’re changing a user’s address or modifying a user’s rights. And

with Novell and NDS, you can manage GroupWise remotely.

Anytime, Anywhere

With GroupWise WebAccess, you’re always connected. Whether you’re at your desk or on the

road, you can download messages on any standard Web browser—allowing you to reply to

messages, set appointments, and assign tasks on the fly. And GroupWise PhoneAccess is perfect

for those times when you don’t have access to a computer. Just call your Universal Mailbox to

send and receive important E-mail messages through a pager, or check your messages and

appointments using a touch-tone telephone.

GroupWise Keeps You Connected No Matter Where You Roam

Multiple Platforms And Gateways For Wide-Open

Solutions

GroupWise runs on Windows 95*, 3.1 and NT*, as well as Macintosh* and the major versions of

UNIX*. It also supports popular Internet browsers and the latest Internet protocols including

SMTP/MIME, POP3, LDAP, IMAP and MAPI-compatible E-mail clients. GroupWise even offers

multiple E-mail gateways.

Scalability For Any Size Enterprise

A true client/server application, GroupWise uses TCP/IP to communicate between workstations

and servers—a natural solution when it comes to intranet/Internet integration.

WHITE PAPER (cont.)

ECG007.0897

GroupWise Is In Good Company

With more than 7 million users, GroupWise is one of the most popular messaging solutions of its

kind. If shared messaging and collaboration are hallmarks of your company, you need the

reliable, powerful communications solution GroupWise provides.

GROUPWISE SYSTEM REQUIREMENTS

Following are the recommended requirements for GroupWise 5.2:

Client

Windows 95 or NT 4.0

Processor: 486/33 or higher

Memory: 16MB (for Windows 95)

24MB (for NT)

Hard Disk Space: Workstation 4MB

Full install 24MB

Windows 3.1

Processor: 486/25 or higher

Memory: 8MB

Hard Disk Space: Workstation 2MB

Full install 20MB

Server

Agents (available for)

NLM: IntranetWare, NetWare 3.1x or 4.x

NT: 3.51 or higher Novell Directory Services (NDS) Aware

PERFORMANCE MANAGEMENT

Overview

Performance Management can only be successfully achieved by fully understanding the

performance impact that system resources such as the system processor, memory, and the disk

subsystems components have on the overall operation of your entire system. Changing the

configuration of these components affects performance in many ways. The goal of this section is

to help customers understand the relationship between system resources and GroupWise Server

performance. With this understanding, customers may make decisions regarding changes to an

existing server configuration as well as complete configuration of a new installation.

WHITE PAPER (cont.)

ECG007.0897

This section:

•defines two perceptions of performance

•describes performance analysis

•discusses standard and customized benchmarks as a performance

measuring tool

•describes the testing methodology used during the study while focusing on

Novell NetBench as the benchmark tool used for measuring performance of

the CPU, memory, and disk subsystem.

Data gathered from Novell NetBench testing is presented and configuration recommendations are

provided based upon data analysis and the experience of Novell and Compaq engineers.

Performance Characteristics

Performance can be viewed in one of two ways. To a system administrator, performance means

effective management of system resources. A system administrator's concerns are system

throughput and utilization. To an end user, however, performance is measured by system response

time. In practice, it is necessary to balance the two perspectives; understanding that a change

made to improve response time may require more system resources.

The purpose of this section is to provide the customer with an understanding of how GroupWise

Server performed under various test configuration scenarios or benchmarks. Based on results

from these tests, information is provided that can be used as a guideline for gauging the response

time, throughput, and capacity expected of Novell GroupWise running on a Compaq server.

Performance Analysis

Performance analysis is an ongoing, interactive process necessary for determining whether or not

your server is performing as it should. Performance analysis that is required as a part of

performance management includes

•Understanding your user requirements

•Monitoring your server and network load patterns

•Making appropriate modifications to your configuration to achieve

optimal use of resources

For the performance analysis investigation, Novell and Compaq engineers used a standard

benchmark tool to examine the following GroupWise Server system resource areas:

•System Processor (CPU) Performance

•Memory

•Disk Subsystem

•Bus Architecture (PCI versus EISA)

•File Systems

•Networking

WHITE PAPER (cont.)

ECG007.0897

Standard Benchmark Tool

A standard benchmark tool provides the ability to run the same test scenario under various

operating environments to allow the comparison of one environment to another. For example,

Test A executes a test script that initiates the execution of a fixed set of database or file operations

for a consistent period of time on a hardware configuration, followed by the identical Test A

running on another hardware configuration. The hardware configuration change implies that the

processor, total system memory, network card, or disk subsystem configuration has been changed.

To accurately measure the affect of configuration changes to one of these subsystems, all other

variables are held constant except for the variable under test.

Customized Benchmark Tool

A customized benchmark is simply an extension of the standard benchmark tool. The customized

benchmark provides the capability for test engineers to choose the type of workload from a

number of provided profiles that most closely matches their real-world operating environment.

Thus, one engineer’s test results with a customized set of profiles should only be compared to

other tests that used the same workloads. The output of the benchmark tools is raw data that must

be analyzed before any conclusions can be made. The benchmark used in this test was developed

by the Novell Engineering team. It has been customized to simulate the real world workload.

Novell Super Laboratory

The Novell SuperLab is an extensive testing facility available to internal Novell groups as well as

third-party testing groups. The lab is designed to enable testing groups to conduct large scale tests

resolving issues not encountered in typical lab environments. Resources include over 1700

computers, SMP resources, and telecom resources.

Test Configuration

Agent Configuration

The Post Office agent was configured using default settings, with the following exceptions:

•The TCPTHREAD count was set to 30

•The MFTHREAD count was set to 12

Hardware and Software Configuration

•Hardware System: Compaq ProLiant 5000

Compaq ProLiant 800

•CPU: 200 MHz Pentium Pro (1-4)

•Memory: 128MB – 1GB memory

•Disk: Fast SCSI-2 and 8x2.1 GB

•Network: NetFlex3 (1-4)

•Network OS: IntranetWare 4.11

•Application: GroupWise 5.2

WHITE PAPER (cont.)

ECG007.0897

Figure 2. Testbed Layout

Test Procedure

Novell and Compaq GroupWare Engineers initially performed several trial runs to determine the

best test duration and confirmation of steady state. Both test duration and steady state were

determined using real-time monitor utilities from IntranetWare. During the trial runs, engineers

monitored the IntranetWare Performance Monitor and also logged the entire test process. For

example, in the Network test, the team applied the same workload against four different LAN

segments. In the first test, the team placed all 108 clients in one LAN segment and sent 20 mail

items to 3 recipients. The team then separated the 108 clients into two LAN segments, with 54

clients each. Using the control station, the automated test scripts trigger the same tests.

The test data collected includes the following files:

•The Post Office Agent Log

•The STAT NLM output file

•Response time

Subsystem Performance Comparison

This section offers guidelines for obtaining optimal value and performance from your Compaq

server. These guidelines are based on tests designed by Novell and Compaq engineers. The tests

are based on the analysis of the data gathered from NetBench testing. A description of each of the

subsystems, the data collected from testing, and recommendations for the configuration of your

Compaq server are included in this section.

GroupWise Server

LAN Segment 4

LAN Segment 3

LAN Segment 2

Control Station

LAN Segment 1

Clients (Load Generator)

WHITE PAPER (cont.)

ECG007.0897

The subsystems to be discussed are:

•CPU

•Memory

•Disk

•Bus Architecture (Bridge vs. Dual PCI)

•Networking

System Processor (CPU)

In contrast to a resource-sharing (file server) environment, a faster processor for an

implementation of GroupWise on an IntranetWare Server yields faster client response times. In a

resource-sharing environment, the system processor plays a less important role in performance

tuning than the memory, disk, and network interface card. For Novell GroupWise, however, the

processor is the most important subsystem for high performance.

In the testing performed by the Novell and Compaq team, the performance of the Pentium

processors was compared to that of the Pentium Pro processors. The type of processor and its

associated architecture features have as much impact on performance as processor-rated clock

speed. For example, the Pentium Pro processor offers outstanding performance that is partially

attributed to the incorporation of the following dynamic execution features.

•A superscalar architecture gives the processor the ability to execute

multiple instructions per clock cycle.

•Internal register renaming supports the execution of concurrent

instructions.

•Speculative execution of branches is supported via the processor’s

branch target buffer, which means the processor is able to predict

the correct branch in most instances, thus increasing the number

of instructions that can be executed out of order.

•The processor fetches and decodes numerous instructions, which

are then sent to an instruction pool that schedules instructions that

have no dependencies on prior instructions to be executed even if

the instruction is out of order.

•Processor cache also has effect on performance. L1 cache(cache

memory in the CPU it self) stores the most recent data and

program instructions and provides this information to the server at

the highest possible speeds. The systems L2 cache(near the CPU)

has a 133 megahertz path to the CPU. L2 cache stores additional

data and instructions. These two caches allow the CPU to function

at higher rates of speed.

Information that is not stored in either L1 or L2 caches must come

from the main system memory at a speed of 66 megahertz, in turn

slowing down the CPU. In other words, the larger the L2 cache is,

the better performance will be.

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