Alacritech 2000-100004 Manuale utente

Alacritech



Accelerator Users Guide

Alacritech Accelerator Users Guide i

Preface

Disclaimer

The information in this document is subject to change without

notice. Alacritech reserves the right to change any portion of these

products for reasons such as improving performance or enhancing

functionality. Alacritech assumes no liability arising out of the

application or use of these products for anything other than its

intended purpose.

This document is copyrighted material. No part of this document

may be copied by any means without the written permission of

Alacritech, Inc.

This document describes Accelerators from Alacritech, Inc. This

document is the official reference source for all revisions/releases of

these products until rescinded by an update.

Alacritech, the Alacritech logo, SLIC Technology and the SLIC

Technology logo are registered trademarks of Alacritech, Inc. in the

United States. All other marks belong to their respective owners.

Patents

One or more United States and international patents apply to

Alacritech products, including without limitation: U.S. Patent Nos.

6,226,680, 6,247,060., 6,334,153, 6,389,479, 6,393,487, 6,427,171,

6,427,173, 6,434,620, 6,591,302, 6,470,415, 6,658,480, 6,687,758,

6,697,868.

Part Number: 900098 Rev 6 2/04

ii Alacritech Accelerator Users Guide

Organization of This Guide

This guide is the primary reference and operation guide for the

Alacritech Accelerators and contains the following sections:

Chapter 1 - Introduction provides a general introduction to

Alacritech Accelerators and the SLIC Technology on which they are

based.

Chapter 2 - Software Installation includes the procedures required

to install the software components and configure the operating

system for correct operation.

Chapter 3 –Operations and Management provides the procedures

for monitoring and maintaining Alacritech Accelerators and

procedures for special circumstances.

Chapter 4 – Configuring Teaming and Failover supplies

instruction on how to set up EtherChannel or 802.3AD compatible

teams, send only load balancing and hot standby failover.

Chapter 5 – Alacritech Accelerator installation in Windows

Powered NAS Appliance outlines special procedures to be

followed to install an Alacritech Accelerator into a Windows

Powered NAS appliance.

Chapter 6 – Troubleshooting and Support provides a list of

possible problems and their solutions.

Appendix A - Network Software License Agreement and

Warranty provides the text of the License Agreement to use the

software component and the Limited Media Warranty for the

software media.

Alacritech Accelerator Users Guide iii

Table of Contents

1Introduction 1-1

1.1 About this Guide 1-1

1.2 Description 1-2

2Software Installation 2-1

2.1 Software Installation Overview 2-1

2.2 Accelerator Software Installation 2-2

2.3 Accelerator Software and Hardware Removal 2-13

3Operations and Management 3-1

3.1 Overview of Performance Monitoring 3-1

3.2 Running Adapter Diagnostics 3-9

3.3 Disabling SLIC TCP/IP Offload on Select Interfaces 3-11

4Configuring Teaming and Failover 4-1

4.1 Overview of Teaming and Failover 4-1

4.2 Recommended Order of Implementation 4-4

4.3 Windows Teaming Configuration 4-5

5Alacritech Accelerator Installation in Windows

Powered NAS Appliance 5-1

5.1 Installation Overview 5-1

5.2 Adapter and Driver Installation 5-2

5.3 Performance Monitoring 5-5

5.4 Adapter Teaming 5-6

6Troubleshooting and Support 6-1

6.1 Alacritech Automated Customer Support 6-1

6.2 Release Notes Files on CD-ROM 6-1

6.3 Troubleshooting Overview 6-1

6.4 Installation Problems 6-2

6.5 Event Log Errors 6-3

6.6 Connectivity Problems 6-4

6.7 Performance Problems 6-10

iv Alacritech Accelerator Users Guide

6.8 Miscellaneous Problems 6-11

Appendix A Network Software License Agreement

and Warranty A-1

Alacritech Accelerator Users Guide 1-1

1 Introduction

1.1 About this Guide

This guide describes how to install software and operate Alacritech

Accelerators on a Windows 2000, Windows XP or Windows Server

2003 system. Windows NT is not supported with this release, but

will continue to be supported under earlier releases with a major

number of 5.

1.1.1 Naming conventions

The general term Accelerator applies to all of the following

adapters, except where indicated:

•100x1 Single-Port Server and Storage Accelerator

(10/100BASE-T)

•100x2 Dual-Port Server and Storage Accelerator

(10/100BASE-T)

•100x4 Quad-Port Server and Storage Accelerator

(10/100BASE-T)

•Alacritech Single-Port Gigabit Accelerator

(10/100/1000BASE-T)

•Alacritech Single-Port Gigabit Accelerator (1000BASE-SX)

•Alacritech SES1001T iSCSI Accelerator

(10/100/1000BASE-T)

•Alacritech SES1001F iSCSI Accelerator (1000BASE-SX)

1-2 Alacritech Accelerator Users Guide

At times it will be necessary to differentiate between Network

Accelerators and Storage Accelerators. The specific term Network

Accelerator for this release applies to all of the following adapters:

•100x1 Single-Port Server and Storage Accelerator

(10/100BASE-T)

•100x2 Dual-Port Server and Storage Accelerator

(10/100BASE-T)

•100x4 Quad-Port Server and Storage Accelerator

(10/100BASE-T)

•Alacritech Single-Port Gigabit Accelerator

(10/100/1000BASE-T)

•Alacritech Single-Port Gigabit Accelerator (1000BASE-SX)

The specific term Storage Accelerator for this release applies to all

of the following adapters:

•Alacritech SES1001T iSCSI Accelerator

(10/100/1000BASE-T)

•Alacritech SES1001F iSCSI Accelerator (1000BASE-SX)

1.2 Description

Alacritech Accelerators are 10/100 or 10/100/1000 Mbps TCP

Offload Engine (TOE) network interface cards (TNICs) that employ

Alacritech’s SLIC (Session-Layer Interface Card) Technology.

Each Accelerator uses an innovative application-specific integrated

circuit (ASIC) for protocol processing. Alacritech Accelerators

operate with Windows 2000, Windows XP and all Windows Server

2003 operating systems.

SLIC Technologyincreases server performance and efficiency in

two specific ways:

Alacritech Accelerator Users Guide 1-3

■TCP/IP Protocol processing is offloaded onto the

Accelerator, freeing the CPU for application processing and

maximizing throughput.

■A unique ASIC utilizes an Internet Protocol Processor

(IPP), optimized for TCP/IP protocol processing, which

delivers faster performance than general purpose CPUs.

SLIC Technology eliminates the burden of TCP/IP protocol

processing and data delivery on the host CPU. By offloading

protocol processing, SLIC Technology frees the CPU for

application processing, boosting both network and server

performance.

Alacritech Network Accelerators, offload TCP/IP protocol

processing and data delivery of all network traffic, including iSCSI.

Alacritech Storage Accelerators are designed for dedicated iSCSI

SANs, offloading TCP/IP protocol processing and data delivery of

iSCSI traffic exclusively, and providing standard NIC functionality

for all other network traffic through its interface.

Alacritech Accelerator Users Guide 2-1

2 Software Installation

2.1 Software Installation Overview

This chapter covers the installation of the software required for an

Alacritech Accelerator under Windows 2000, Windows XP and

Windows Server 2003. There may be different steps for each

Windows operating system, so follow each instruction carefully.

The following types of situations are covered during installation and

removal of Alacritech software:

■Installation of an Alacritech Accelerator during the

installation of the Windows operating system

■Installation of an Alacritech Accelerator into an existing

Windows system

■Updating the software for an existing Alacritech

Accelerator installation

■Uninstalling the Alacritech Accelerator software and

hardware

Note: Alacritech’s SLIC Technology requires the

installation of additional components not typically

required by a network adapter to support the TCP

offload capabilities of the Accelerator. All

installations must be done with the Alacritech

Setup utility.

2-2 Alacritech Accelerator Users Guide

2.2 Accelerator Software Installation

This section covers the procedures for installing the software

required for Alacritech Accelerators. Follow the appropriate

procedure for your type of installation.

Note: Running the Alacritech Setup program is the only

way to correctly initially install Alacritech

Accelerator drivers for Windows. Following initial

installation, the automated Add/Remove Hardware

Wizard will discover additional Accelerators.

Note: Alacritech Accelerator drivers cannot be installed

during the initial installation of Windows. If you

leave an Accelerator in your system through the

entire Windows installation process, the

automated Add/Remove Hardware Wizard will not

discover the Accelerator in your system on

subsequent reboots, since Alacritech drivers do

not ship with Windows.

2.2.1 Installation of an Accelerator without Port Aggregation

1. Insert your Alacritech Driver Installation CD into the

system.

2. In the Alacritech Accelerator Setup – Software

License Agreement window, click the Yes button if

you accept the license agreement.

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