ATTO Technology UL3D Manual de usuario

ATTO Technology, Inc.

Installation and Operation Manual

ATTO ExpressPCI Host Adapters

Dual Channel Ultra3 (UL3D)

Dual Channel Ultra3 66 MHz (UL3D-66)

Single Channel Ultra3 (UL3S)

Single Channel Ultra3 66 MHz (UL3S-66)

respective holders. No part of this manual may be reproduced in any form or by any means without the

express written permission of ATTO Technology, Inc.

12/2003 Document Control Number: PRMA-0221-000MD

Contents

1 What is ATTO ExpressPCI? ........................................................ 1

Plug and Play for PCI-based computers

Features

Operating Systems

Dimensions

Power Requirements

Operating Environment

Reliability

SCSI Bus

2 SCSI is a key technology for storage ......................................... 3

Glossary

3 Installing the ExpressPCI SCSI Host Adapter ........................... 5

System requirements

Installation

3.1 Determining cabling and termination ................ 7

Cable types

Examples

Connectors

Connection considerations

Te r m in a t io n

3.2 Installing and Updating Device Drivers ............. 11

Windows Server 2003 & Windows 2000/XP

Windows NT Installation

Re-flashing Firmware in Windows

Linux and Sun Solaris Driver Installation

Updating Drivers and Re-flashing Firmware in Mac OS X

Updating Drivers and Re-flashing Firmware in Mac OS 9

4 Maximizing Performance with ExpressPCI HBA ....................... 15

Use the latest ATTO driver

Set registry for large block transfers

Set up RAID groups with ATTO ExpressRAID

Increase transfer size

Analyze your I/Os

5 Troubleshooting ........................................................................... 17

Appendix A Standards and compliances ..................................... i

Appendix B SCSI host adapter selection guide ........................... ii

Appendix C Fibre Channel host adapter guide ............................ iii

Appendix D Contact ATTO Technology, Inc. ............................... iv

1 ATTO Technology ExpressPCI Ultra3 SCSI Host Adapters Installation and Operation Manual

1 What is ATTO ExpressPCI?

Compatible with virtually all popular SCSI devices, ATTO ExpressPCI host adapters will increase the

performance of disk-intensive applications such as digital video, prepress, multimedia and real-time.

The ATTO ExpressPCI

family of Ultra3 SCSI

host adapters includes four models:

ExpressPCI UL3S:

Single Channel Ultra3, 33

Mhz PCI

ExpressPCI UL3D:

Dual Channel Ultra3 SCSI,

33MHz PCI

ExpressPCI UL3S-66:

Single Channel Ultra3

SCSI, 66 MHz PCI

ExpressPCI Ul3D-66:

Dual Channel Ultra3 SCSI,

66 MHz PCI

Plug and Play for PCI-based computers

The ATTO ExpressPCI SCSI adapter uses plug

and play technology

to eliminate

configuration

manipulation,

including setting

termination for

single-ended

adapters. Insert the ATTO ExpressPCI SCSI

adapter into your PCI-based computer and the

adapter is configured according to your system.

ATTO provides a variety of configuration tools if

you need to alter the host adapter’s configuration.

See the ATTO ExpressPCI Utilities manual for

additional information.

Features

❖

Automatic termination

❖

Advanced Data Streaming (ADS

™

)

Technology

❖

RAID ready

❖

Embedded RISC I/O processor

❖

Flash ROM BIOS for easy field upgrades

❖

PCI 2.1 Compliant

❖

Includes Mac

OS and PC Utility software

❖

Extensive device support: up to 105 through

LUNs (Wide and Narrow devices)

❖

Advanced SCSI

❖

Large Command FIFO

❖

Supports disconnect/reconnect

❖

Asynchronous I/O support

❖

Multiple Initiator support

❖

SCSI-3 Tagged Command Queuing

❖

Low power requirements

❖

Mac SCSI Manager 4.3 and pre-4.3

compatible driver

Operating Systems

❖

Windows 95/98, Windows NT/2000/XP

❖

Mac

OS 9

❖

Mac OS X including Panther

❖

Linux

❖

Sun Solaris

Dimensions

❖

UL3S

❖

Length: 6.521”

❖

Height: 4.200”

❖

UL3D

❖

Length: 6.521”

❖

Height: 4.450”

Power Requirements

❖

0.75 typical/2.0 max. Amps @ + 5.0 VDC

❖

0.05 Amps @ + 12.0 VDC

Operating Environment

❖

Operating Temperature:0-50

❖

Humidity:10-90% Non-condensing

❖

Airflow: 100 LFM (min.)

Reliability

❖

MTBF 150,000 hours

❖

MTTR < 15 minutes

Introduction

SCSI Bus

❖

SCSI-3 connectors

❖

UL3S/UL3S-66 external: (1) 68-pin

VHDCI

❖

UL3S/UL3S-66 internal: (1) 68-pin

Wide

❖

UL3D/UL3D-66 external: (2) 68-pin

VHDCI

❖

UL3D/UL3D-66 internal: (2) 68-pin

Wide

❖

Maximum Host PCI transfer rate

❖

32-bit/33MHz: 133 MB/sec.

❖

32-bit/66 Mhz: 266 MB/sec.

❖

64-bit/33 Mhz: 266 MB/sec.

❖

64-bit/66 Mhz: 532 MB/sec.

❖

Maximum SCSI transfer rate:

❖

Synchronous data rate (UL3D/UL3D-66):

60 MB/sec. per channel (Ultra3 mode)

❖

Asynchronous data rate:12 MB/sec. per

channel (all models)

❖

SCSI Interface: SCSI-1, SCSI-2, SCSI-3,

UltraSCSI, Ultra2SCSI, Ultra 160/m SCSI,

Ultra3 SCSI

❖

Electrical Signals:single-ended, low

voltage differential

❖

Extensive device support

❖

UL3D/UL3D-66: Up to 210 devices

when used with LUNs (Wide and

Narrow devices)

❖

UL3S/UL3S-66: Up to 210 devices

when used with LUNs (Wide and

Narrow devices)

3 ATTO Technology ExpressPCI Ultra3 SCSI Host Adapters Installation and Operation Manual

2 SCSI is a key technology for storage

SCSI is a serial communications technology designed to transfer large amounts of data between a

variety of hardware systems over long distances. It is a key technology for applications that require

shared, high bandwidth access to storage.

SCSI provides a logical point-to point serial channel for the transfer of data between a buffer at a source

device and a buffer at a destination device. It moves buffer contents from one port to another, without

regard to the format or meaning of the data so different upper level protocols are able to run over SCSI

hardware.

The SCSI architecture is structured as a hierarchical set of protocol layers. Defined within these layers

are rules for signal interfaces, serial encoding and decoding, error control, frame format and

communications protocols.

ATTO Express PCI SCSI host adapters carry SCSI protocol over SCSI.

Glossary

Some terms used in the SCSI industry are defined below. More information is available through the

ATTO Technology website (www.attotech.com), and the SCSI Consortium

(www.iol.unh.edu/consortium).

Term Definition

ANSI American National Standards Institute

auto negotiation hardware senses and automatically responds depending on configuration

BER Bit Error Rate: a measure of transmission accuracy; the ratio of bits received in

error to bits sent

bit Smallest unit of data a computer can process: a single binary digit with a value of

either 0 or 1

byte an ordered set of 8 bits

CRC Cyclic Redundancy Check: an error-correcting code which calculates a numeric

value for received and transmitted data. If no error has occurred during

transmission, the CRC for both received and transmitted data should be the

same.

host a processor, usually a CPU and memory, which communicates with devices over

an interface

initiator device A component which originates a command

LED Light-emitting diode: a type of diode that emits light when current passes through

it. Visible LEDs are used as indicator lights on all sorts of electronic devices.

originator an initiating device; a component which originates a command

receiver the ultimate destination of data transmission; a terminal device

SCSI Small Computer Systems Interface: a processor-independent standard for

system-level interface between a computer and intelligent devices including hard

disks, floppy disks, CD-ROM, printers, scanners, etc.

Glossary

topology logical layout of the parts of a computer system or network and their

interconnections

transceiver a transmitter/receiver module

transfer rate the rate at which bytes or bits are transferred, as in megabytes or gigabits per

second.

Term Definition

5 ATTO Technology ExpressPCI Ultra3 SCSI Host Adapters Installation and Operation Manual

3 Installing the ExpressPCI SCSI Host Adapter

You will need a basic understanding of SCSI before installing the ATTO ExpressPCI host adapter. Please

refer to Chapter 2 for a list of SCSI-related web sites. For more detailed explanations of cabling,

connectors and termination, see Chapter 3.1.

WARNING

Remember to back up your system data

before changing or installing hardware.

WARNING

ATTO ExpressPCI host adapters contain

components that are sensitive to electrostatic discharge

(ESD). ESD can cause damage to the ExpressPCI host

adapter. Please follow standard methods to avoid ESD.

System requirements

The ATTO Express PCI host adapter package

contains the host adapter, the ATTO ExpressPCI

Utilities CD and a warranty and registration card.

If any of these items are missing, contact your

ATTO authorized sales representative.

To successfully install and use your ATTO

ExpressPCI SCSI adapter you need:

❖

A computer with an available PCI slot.

❖

SCSI devices

❖

Cable(s) and terminator(s).

Installation

1 Plan your SCSI device connections (see

Chapter 3.1).

2 Shut down the system and all peripherals

before installing the adapter. After turning

off the computer, leave the power cable

plugged into a grounded outlet to discharge

static electricity.

3 Open the computer case.

4Install the ATTO ExpressPCI host adapter in

any open PCI expansion slot. If you have

questions about how to install an expansion

card in your system, consult your

computer’s documentation.

NOTE

64/32-bit Mode: The jumpers J1 and J2, when

installed vertically, ensure ATTO ExpressPCI 64-bit cards

work correctly in 32-bit mode in all 32-bit PCI slots. These

jumpers do not force the ExpressPCI card to operate in

32-bit mode. If placed in a 64-bit mode, the ExpressPCI

card will still function in a 64-bit slot. However, removing

jumpers may cause the ExpressPCI card to function

incorrectly in some 32-bit PCI slots.

Exhibit 3-1 Consequences of enabling and disabling

jumpers J1 and J2 with an ExpressPCI 64-bit card.

5 Replace the computer cover.

6 Connect SCSI devices by inserting a SCSI

cable to the connector on the ATTO

ExpressPCI host adapter. Refer to

Exhibit 3.1-2 when selecting cables.

7 Power up your computer.

8 Set SCSI device termination. (see

Chapter 3.1)

9 Set SCSI IDs. Adapter default is 7.

Each device on the SCSI bus requires a unique

SCSI ID. If installing a single device, make sure you

do not assign it the same SCSI ID as your ATTO

ExpressPCI SCSI adapter. Do not change the

adapter ID if possible. For more information and

ease in changing the ID, consult the ExpressPCI

Utilities Installation and Operation Manual.

10 ATTO ExpressPCI host adapters come

preconfigured to operate properly in a

variety of common system setups. However,

some systems or setups may benefit by

tuning the adapter for optimal performance.

Use the ATTO ExpressPCI Utilities to

change host adapter settings. Refer to

Chapter 3.2 for more information.

11 If necessary, install drivers for your

operating system from the ATTO

ExpressPCI Utilities CD. Refer to

Chapter 3.2 for more information.

ExpressPCI

64-bit card

JP1 and JP2

enabled

JP1 and JP2 disabled

32-bit PCI slot Correct 32-bit

operation

May not function in

some motherboards

64-bit PCI slot Correct 64-bit

operation

Correct 64-bit operation

Hardware installation

Exhibit 3-2 The ATTO ExpressPCI UL3S/UL3S-66 adapter

Exhibit 3-3 The ATTO ExpressPCI UL3D/UL3D-66 adapter

32-Bit PCI 2.2

Compliant Connector

68-pin VHDCI

Connector

68-

in Connecto

Ultra3 SCSI Processor

Channel 2: 68-pin

VHDCI Connector

Channel 1: 68-pin

VHDCI Connector

64/32-Bit PCI 2.2

Compliant Connector

Channel 1: 68-pin

Connector

Channel 2: 68-pin

Connector

Ultra3 SCSI Processor

7 ATTO Technology ExpressPCI Ultra3 SCSI Host Adapters Installation and Operation Manual

3.1 Determining cabling and termination

Cables and devices must be chosen to maximize performance and minimize the electrical noise from the

high-speed data transfers available with the SCSI protocol. Cabling and termination methods become

important considerations for proper performance. SCSI cables and devices are subject to specific length

and number limitations to deal with electrical problems that arise at increased operating speeds.

ATTO ExpressPCI Ultra3 SCSI host adapters will

operate with both Low Voltage Differential and

Single-Ended devices.

When connected to Ultra 3 devices, the ATTO

ExpressPCI Ultra3 SCSI host adapters will

negotiate to Ultra 3 transfer rates of 160 MB/sec.

per channel.

When connected to Single-Ended devices, the

ATTO ExpressPCI Ultra3 SCSI host adapters will

negotiate to Ultra3 transfer rates of 40 MB/sec.

per channel.

Cable types

Single-ended and differential SCSI host adapters

use the same cables. Use high quality cables rated

for the type of SCSI transfers required: well-

insulated SCSI cables ensure error free

communications. Try to keep cable lengths as

short as possible to ensure higher signal quality

and performance.

Examples

The SCSI specification limits total bus cable

length for Single-Ended SCSI in a non-UltraSCSI

environment to 3 meters (combined length of both

internal and external cable lengths).

In an UltraSCSI workgroup environment with a 7-

drive tower, you are limited to 1.5 meters between

the host and the tower, including the cabling for

the tower. If the 7-drive tower requires 1 meter of

cabling to connect all of its drives, the distance

from the tower to the host must be .5 meters.

UltraSCSI is very sensitive to SCSI bus noise,

cable distances and the number of devices

connected on the SCSI bus. Carefully connect

your devices when working with UltraSCSI.

Ultra3SCSI and Ultra2 SCSI are less sensitive to

bus noise and offer you the ability to connect a full

load of devices up to 12 meters.

Exhibit 3.1-1 Various types of SCSI require different bus lengths to support a certain number of devices.

STA terms

Bus speed

MB/sec. max.

Bus width

bits

Max. bus lengths, meters Max. device

support

Single-ended Differential LVD

Fast SCSI 10 8 3 25 n/a 8

Fast/WIDE SCSI 20 16 3 25 n/a 16

UltraSCSI 20 8 1.5 25 n/a 8

UltraSCSI 20 8 3 n/a n/a 4

Ultra/WIDE SCSI 40 16 n/a 25 n/a 16

Ultra/WIDE SCSI 40 16 1.5 n/a n/a 8

Ultra/WIDE SCSI 40 16 3 n/a n/a 4

Ultra2 SCSI 80 16 n/a n/a 12 8

Ultra2/WIDE SCSI 80 16 n/a n/a 12 16

Ultra3/WIDE SCSI 160 16 n/a n/a 12 16

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