NStor Technologies CR8e, Disk Array Enclosure User Manual

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nStor Corporation, Inc.

nStor Corporation, Inc. shall not be liable for any damages or for the loss of any information resulting from the performance or use of the information contained herein. Your rights to the software are governed by the license agreement included with any accompanying software. nStor Corporation reserves the right to periodically revise this manual without notice.

Product features and speciﬁcations described are subject to change without notice. This manual may not be reproduced in whole or part, without prior written permission from nStor Corporation, Inc.

nStor Corporation, Inc. 450 Technology Park Lake Mary, Florida 32746

nStor, A dminiStor, Smart Cabinet, and the nStor logo are trademarks or r egister ed tr ademarks of nStor Corpor ation, Inc. Other company and product names herein may be trademarks or registered trademarks of their respective

companies.

CAUTION:

ATTENTION:

NOTE:

Drives and controller/adapter cards described in this manual should only be installed in UL-listed and CSA certiﬁed computers that give speciﬁc instructions on the installation and removal of accessory cards (refer to your computer installation manual for proper instructions).

Les lecteurs et cartes contrôleurs décrits ici ne doivent être montés que sur des ordinateurs homologués (UL et CSA) et livrés avec des manuels contenant les instructions d’installation et de retrait des accessoires. Reportez-vous au manuel d’installation de votre ordinateur.

Only drives supplied by nStor Corporation are approved for use in this pr oduct. Use of other driv es could affect the safety and/or radio frequency interference characteristics of the product.

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Regulatory Information

FCC Radio Frequency Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio or tele vision communications. However , there is no guarantee that the interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

■

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver.

■

Connect the equipment to an outlet on a circuit other than that to which the receiver is connected.

■

Consult the dealer or an experienced radio/TV technician for help.

nStor Corporation, Inc. is not r esponsible for any interfer ence caused b y unauthorized modiﬁcations to this equipment. It is the user’s responsibility to correct such interference. You are also warned, that any changes to this certiﬁed device will void your legal right to operate it.

CAUTION:

ATTENTION:

Compliance Information Statement

nStor Corporation, Inc. 450 Technology Park Lake Mary, Florida 32746 (407) 829-3500

declare under our sole responsibility that the product,

Type of Equipment: Disk Array Enclosure Model Number: CR8e

to which this declaration relates is in conformity with the Title 47 o f the US Code o f Federal Regulations, P art 15 co v ering Class B personal computers and peripherals.

Operation is subject to the following two conditions:

This device may not cause harmful interference, and

This device must accept any interference received, including interference that may cause undesired operation.

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Power Cord Selection

■

This subsystem is intended for indoor use only. This subsystem is intended to be plugged into a 6A branch circuit in Europe.

■

To select the proper power cord:

■

For 110 Volt Operation

– Use a UL Listed/CSA Labeled cord set consisting of a minimum 18 AWG, type SVT or SJT three conductor cord, terminating in a molded connector body having an IEC CEE-22 female conﬁguration on one end and a molded-on parallel blade grounding type attachment plug rated 15A, 125V conﬁguration (5 - 15P) at the other end.

For 230 Volt Operation (North America)

– Use a UL Listed/CSA Labeled cord set consisting of a minimum 18 AWG, type SVT or SJT three conductor cord, terminating in a molded connector body having an IEC CEE-22 female conﬁguration on one end and a molded-on tandem blade grounding type attachment plug rated 15A, 250V conﬁguration (6 - 15P) at the other end.

For 230 Volt Operation (Europe)

– Use a cord set marked “HAR”, consisting of a H05VV-F cord that has a minimum 0.75 square mm diameter conductors provided with an IEC 320 receptacle and a male plug for the country of installation rated 6A, 250V.

NOTE:

The subsystem automatically selects the proper settings for the input voltage. Therefore, no additional adjustments are necessary to connect the unit to any input voltage within the range marked on the drive.

Das Laufwerk sollte nicht im Freien verwendet werden.

■

In Europa, sollte das Laufwerk an einen 6A-Stromkreis angeschlossen werden. Zur Wahl des korrekten Netzkabels beachten Sie bitte folgendes:

■

230V-Betrieb (Europa)

– Verwenden Sie Netzkabel der Bezeichnung “HAR” die H05VV-F-Kabel und einen Leitungsdurchmesser von mindestens 0,75 mm2 aufweisen. Ver Wenden Sie eine IEC 320-Buchse und einen für das Installationsland passenden Stecker, der auf 6A und 250V gesichert ist.

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Preface

Welcome v Features vi Where to Find Answers vii

Registering Your Product vii

1 Getting Started

CR8e Subsystem at a Glance 2 Components 4

Hot Swap Disk Drives 4 Hot Swap Cooling Fans 4 Hot Swap Power Supplies 5 Power Switch 5 Door Lock 5 I/O Interface Card 6 Power Cord Connector and Fuse 6 Configuration Modules 7

Controlling and Monitoring 8

Operator Control Panel 8 LEDs 9 Alarm Speaker 11 Fault LEDs 11 SAF-TE Card 11

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2 Installation

Setup 13

System Requirements 14 Guidelines 14 Rack-Mount Subsystem Assembly 15 Component Installation 17

Cabling Configuration 20

General 20 Ultra Wide SCSI Mode 22 Fast Wide SCSI Mode 26 Other Configurations 36

3 Using the CR8e

Notifications and Error Conditions 37

Power-On Self Test 37 Firmware Error Conditions 38 LED Descriptions 39

Operator Control Panel 40

Startup Screens 40 Power Supply Error Conditions 41 Subsystem Status Icon 41 Main Menu 42 Options Menu 46 Heat Threshold 49 SAFTE CHAIN ID 50 Change Passcode 51 Unlock Options 52

4 Troubleshooting

Common Enclosure Problems 53 Common SCSI Bus Problems 54 Common Problems and Interpreting the LED Indications 56

5 Maintenance

Replacing a Disk Drive 57 Replacing a Power Supply 58 Replacing the Cooling Fans 60 Replacing an I/O Interface Card 61

Contents

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Replacing a Fuse 62 Replacing the CR8e Cabinet 63

A Glossary B Technical Information

Specifications 69 Connectors and Jumpers 70

Connectors 70 Jumpers 72

Index

Contents

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Contents

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Preface

Welcome

Congratulations on the purchase of your new CR8e from nStor Corporation. The nStor CR8e provides a superior fault-tolerant network storage solution in a subsystem-based SAF-TE compliant RAID enclosure.

The CR8e is an eight drive enclosure designed to support Ultra Wide SCSI (Fast-20) and Fast Wide SCSI protocols. The Ultra Wide SCSI (Fast-20) support maintains SCSI bus data transfer rates up to 40 Mbytes/sec. The subsystem supports both host system based RAID controllers, as well as an option for an onboard Ultra SCSI-to-SCSI RAID controller.

The CR8e also provides an upgrade path to Ultra2 Low Voltage Differential (LVD) SCSI technology and easily connects to the network attach storage module to maintain its total cost of ownership.

The intelligent enclosure is compliant with SAF-TE version 1.0, an industry standard, non-proprietary means to automatically integrate with peripheral packaging that supports status signals, hot swapping drives and enclosure monitoring. Combined with the enterprise-wide storage management software from nStor, additional levels of fault tolerance can be maintained.

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Preface

Features

The following are major features of the nStor CR8e disk array subsystem:

RAID Level Support Conﬁguration

Drive Support

Interface Scalable Capacities

Hot Swap Power Supplies

Cooling Notiﬁcations Front Panel

RAID levels 0, 1, 3, 5, 10 Deskside tower-based subsystem or rack-mount

subsystem.

Up to eight 3.5-inch, half-height form factor, hot

swappable high performance 7,200 and 10,000 RPM Ultra SCSI disk drives using SC A-II technology (4.2, 9.1,

or 18.2 gigabyte capacities). Ultra SCSI (Fast 20)/SCSI. Drive capacities are expandable to 145 GB using 18 GB

disk drives and further expansion through

daisy-chaining of multiple cabinets.

Dual hot swap power supplies expandable to three, all

with current sharing circuitry. Dual high capacity hot swap cooling fans. LEDs and audible alarms provide failure notiﬁcations. A password protected Oper ator Control Panel (OCP) for

administration control and monitoring functions.

(1 + 0)

, 30, and 50.

SCSI-to-SCSI Support

Termination Locking Door SAF-TE Cluster-Ready Storage Management Solution

Features

Provides on-board Ultra SCSI-to-Ultra SCSI RAID

processing via the Ultra S2S RAID Controller. Automatic SCSI-bus termination. A key-locking front door. SAF-TE v1.0 compliant enclosure. Cluster-ready subsystem.

Enterprise-wide managing and monitoring using

AdminiStor Manager and AdminiStor Agent software.

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Preface

Where to Find Answers

When you have questions about your nStor products there are several places you can look to ﬁnd answers. Refer to the following:

In this guide

Resource Guide

AdminiStor Manager User’s Guide

AdminiStor Agent User’s Guide

On the software diskettes

Via email

This user’s guide provides detailed information for installing and using the CR8e manual assumes that the reader is already familiar with the operating system environments where the CR8e will be installed.

Use this manual to locate telephone numbers for customer service and technical support, technical support email address, instructions to obtain an RMA number, and conditions of the limited warranty.

Use this manual to install and use the nStor Java-based management and monitoring software.

Use one of these manuals to install and use the nStor SNMP-based network RAID subsystem management software.

Review the README ﬁles for last minute information about the release of the software products.

You may email questions and comments to [email protected].

disk array subsystem. The

Registering Your Product

Registering your product allows nStor to continue providing the highest quality technical support while keeping you informed about product developments.

To register your product, complete and fax the Plan Registration/Upgrade Form found in the Product Registration kit.

Where to Find Answers

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Preface

viii

Registering Your Product

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Getting Started

In this chapter we will provide a description of the components, and the control and onboard monitoring systems found in the CR8e enclosure.

On the next two pages are illustrations that depicts the location of featured components of the CR8e. Familiarize yourself with the subsystem’s components and their descriptions prior to beginning the installation and using the CR8e.

Following the Components section, a Control and Monitoring section describes the subsystem’s LEDs provides an explanation of the manner in which the CR8e presents normal and abnormal conditions. The Operator Control Panel (OCP) section describes in the general the features of the LCD panel and an illustration pictorially describes items found on the display. In chapter 3 a more detailed functional description of each OCP menu option is provided.

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Getting Started

Channel Mode LED

Power Supply LED

Fan Status LED

Status Indicator LEDs

Note: LEDs normally visible

only when illuminated, shown here for identification.

Activity LEDs

Operator Control Panel (OCP)

Speaker

Door Lock

Power-On LED

Status Indicator LEDs

Status LEDs

Rear Door Fastener

Rear Door Panel

AC Power Cord

Connector Module

I/O Interface Card

VHD SCSI Connectors

Power Supply #3 with PSU Cover Plate

PSU “DC Good” LED

Fuse

CR8e Subsystem at a Glance

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Bay for optional

Ultra S2S RAID Controller

SAF-TE Card

Fault LEDs

Getting Started

Power On/Off Switch

Cooling Fan #2

Cooling Fan #1

Hard Disk Drive

I/O Interface Card

“DC Good” LED

Power Supply #1

Drive Rails

Note: Cover shown cut-away

to illustrate recessed power switch.

Power Supply #3 with PSU Cover Plate

Power Supply #2

I/O Interface Card

* Power supplies and cooling fans must be replaced by qualified service personnel only.

CR8e Subsystem at a Glance

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Getting Started

Components

This section provides a descriptive overview of each of the major components that comprise the CR8e subsystem.

Hot Swap Disk Drives

The CR8e uses either 4.2 gigabyte , 9.1 gigab yte , or 18.2 gigab yte high performance,

3.5-inch form factor hot swap disk drives. The drives are designed to operate on the Small Computer System Interface (SCSI) and are Ultra SCSI as well as SCSI-2 command compatible.

Each drive has an 80-pin Wide Single Connector Attachment (SCA-II) interface, designed to allow the drive to be inserted directly into the backplane thus making it possible to “hot swap” the drive without shutting down the subsystem.

The drive mounting design uses a rail system with built-in connectors which allows for easy installation with minimal force. Latching clips ensure that the drive is secured once it is installed.

Components

Hot Swap Cooling Fans

CAUTION:

The cooling system consists of two high-performance fans ﬁtted to the rear panel. These fans draw air from a high pressure plenum, across the drives and electronics of the system and exhaust out through the rear door panel.

The fan speed is thermally controlled to provide r educed operating noise le vels. In the event of a fan failure or the cabinet temperature approaches the threshold limit, the remaining fan will switch to maximum operating speed.

Cabinet temperature is measured within the drive bay area between drive slots 2 and 3, and slots 7 and 8. The fan’s speed and alarm are key ed to the higher of the two temperatures. The SAF-TE processor monitors the performance of each of the fans via tach pulses which track the speed (RPM) of each fan impeller.

The fans can be replaced during normal operation without having to po wer do wn the CR8e. In the event of a fan failure, the Fan Status LED will illuminate amber and an alarm will sound.

Cooling fans must be replaced by qualiﬁed service personnel only.

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Getting Started

If an error occurs, access the Operator Control Panel to determine the cause and locate the failed component. For more information, see page 40. The fans are identiﬁed on the rear door panel using a placard for “FAN 1” and “FAN 2.” For more information on changing a cooling fan, see

Cooling Fans

on page 60.

Operator Control Panel

Replacing the

Hot Swap Power Supplies

CAUTION:

Up to three 150 watt hot swap power supplies are incorporated as part of a fault-tolerant design (N+1 power system). Each power supply unit (PSU) has current share circuitry which balances the load between the installed power supplies. In the event of a power supply failure, the load is transferred to the remaining power supplies without interruption to the CR8e’s normal operation.

If a failure occurs, the Power Supply Status LED will illuminate amber and an alarm will sound. The user can identify the failed component by accessing the OCP and viewing the “Hardware Status.” The PSU “DC Good” LED will not be illuminated on the failed power supply. For more information, see

Power Supply

Power supplies must be replaced by qualiﬁed service personnel only.

Replacing a

on page 58.

Power Switch

The power switch is located inside the locking fr ont door and controls AC po w er to all of the power supplies. This positioning of the switch deters unauthorized users from powering down the CR8e provided the door is locked. The switch is recessed to prevent inadvertent activation during service activities.

The switch is labeled with a “I” for the ON condition and “O” for the OFF condition and is illuminated when the power is on for easy identiﬁcation. Depending on the orientation of the subsystem (i.e., in the rack conﬁguration) the “I” label will appear as a “—” and should be interpreted as the ON condition.

Door Lock

The front door has an integral lock that also serves as a door handle. In addition, the door lock provides security to deter unauthorized access to the disk drives and SAF-TE card. Two keys are provided with the system.

To unlock the door, insert the key and turn it in a counterclockwise dir ection. To lock the door, turn the key in a clockwise direction.

Hot Swap Power Supplies

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Getting Started

Channel 0

Channel 1

JP3 and JP4

Fault Bus Protocol

Jumpers (Add to

disable termination)

JP1 and JP2 Channel 0 and 1 Term Power Jumpers

I/O Interface Card

The I/O Interface card provides the connection from the subsystem’s bus to the host adapter. Located on the I/O Interface card are two 68-pin very high density (VHD) SCSI connectors. The connectors are labeled Channel 0 and Channel 1.

The I/O Interface card incorporates built-in automatic SCSI termination. When a data cable is plugged in, the system automatically senses the connection and provides the required SCSI termination.

Two sets of jumpers are provided on the card. One set of jumpers (JP1 and JP2) routes Term Power in the event that the host controller does not provide it. The default setting is the unjumpered condition (jumper offset on one pin only).

I/O Interface Card

The next set of jumpers, JP3 and JP4, addresses termination protocol for a speciﬁc set of controllers that use the DEC Fault Bus. If you are using a DEC system where the controller uses this protocol, y ou will need to jumper locations (jumper on both pins) JP3 and JP4 for each channel that has an external SCSI cable connected. This will disable termination at that point.

If you are using a standard host adapter that provides Term Power, no change is required and SCSI bus termination will occur automatically.

Power Cord Connector and Fuse

The power cord connector supplies the AC power to the CR8e through a power cord connected to a conventional three-hole grounded outlet or power strip. A 250V 10 amp fuse is provided to protect the system from any electrical fault.

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Conﬁguration Modules

Getting Started

CAUTION:

Conﬁguration modules must be installed or replaced by qualiﬁed service personnel only.

The CR8e’s SCSI bus design provides either of two bus conﬁgurations which is determined by the conﬁguration module installed. The Dual-Bus module pro vides a split bus conﬁguration where the enclosure’s top four drive slots and the lower four drive slots are on two independent SCSI buses. The Single-Bus module connects both SCSI buses together tying all drive slots to one SCSI bus.

The Single-Bus module is larger in physical size than the Dual-Bus module and is easily identiﬁed by its description silkscreened on the module card. It is installed on the backplane printed circuit board, at location JP1, and is accessed from the rear door panel.

The connector is keyed and the module will only install in one direction. For illustration purposes, the tower system is used to depict the location of the modules.

Backplane PCB

(JP1)

NOTE: The cover is cut

away to demonstrate the location of the installed configuration module.

Dual-Bus Module

Single-Bus Module

Configuration Modules

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Getting Started

MENU ENTER ESCAPE

HARDWARE MENU OPTIONS MENU

TURN OFF ALARM

Moves Menu Selector Up

Appears When More Options are Available Above

Appears When More Options are Available Below

Moves Menu Selector Down

Selector

firmware by lyle

Animated

Icon

Selects Menus Option or

Returns to Main Menu

Selects the Option

Indicated by Selector

Backs Up One Level or Cancels Action

nStor

Controlling and Monitoring

An integral part of the CR8e is its control and monitor capabilities. The subsystem enclosure contains a series of redundant alert notiﬁcations in the form of LEDs, alarms, and an LCD Operator Control Panel. Each of these components are discuss in the following topics.

Operator Control Panel

The Operator Control Panel (OCP) provides control and monitoring capabilities through an LCD panel located on the front door of the CR8e. The disk drives, power supplies, fans, and processor can be monitor ed for their status by using the menu drive OCP interface. Also the user can maintain control of the subsystem components by providing the capability to change to the disk drive SCSI IDs and SAF-TE processor ID, and making changes to the temperature threshold for the thermal monitoring system.

Other menu functions provide for viewing subsystem component status, silencing the audible alarm, establishing a password to protect the subsystem OCP access, establishing intra-cabinet communications (master/slave), and reading ﬁrmware information.

Controlling and Monitoring

The OCP uses a four line by twenty character LCD display. There are ﬁve function keys that deﬁne the menu driven interface.

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Getting Started

An animated icon will appear on the display after 30 seconds of no OCP input activity and provides an “at-a-glance” look at system status. When a “happy” animated face appears, all systems are indicating a nominal state. When the animated face changes to a “sad” face, the system indicates that a problem has been detected and requires attention.

The “power system” status will display the total power available per drive slot in redundant and non-redundant mode. A maximum supported value of 30 watts per drive bay is av ailable in either mode. Also the user can view individual power supply status and conﬁgurations.

The OCP displays information on each cooling fan’s speed. Each fan’s speed (RPM) is controlled via the internal cabinet thermal monitoring system, referenced from a user-established temper atur e thr eshold. Cabinet temper ature is measured within the drive bay ar ea between driv e slots 2 and 3, and between slots 7 and 8. By sensing cabinet temperature in these locations, the system provides the most sensitive measurement for maximum protection. The temperature is displayed in both Celsius and Fahrenheit. The SAF-TE processor monitors the performance of each fan via tach pulses which track the speed (RPM) of each fan impeller.

LEDs

Power-On LED

The Power-On LED signiﬁes that the CR8e system has power applied.

Status Indicator LEDs

There are three Status Indicator LEDs to assist the user in determining the current state of the CR8e subsystem. The following subsections describe each LED.

Channel Mode

The Channel Mode LED indicates the status of the subsystem array by changes in its color and state. Steady green indicates normal array activities.

When the LED changes to amber (ﬂashing or steady) it indicates abnormal activities. For more information see LED Descriptions on page 39.

LEDs

Page 22

Getting Started

Power Supply Status

The Po wer Supply Status LED indicates the condition of the power supplies. The LED will illuminate steady green when all the power supplies are functioning normally and will change to amber if one of the power supplies should fail. The LED will also switch to amber if the power system is in a non-redundant state. A failed component can be identiﬁed via the Operator Control Panel and the lack of an illuminated “DC Good” LED located on each power supply unit.

Fan Status

The Fan Status LED indicates the condition of the cooling fans by changes in its color. The LED will illuminate green when all of the fans are functioning normally and will change to amber if any of the fans fail.

When a failed component is present, use the Operator Control Panel to identify the failed fan. The fans are identiﬁed on the rear door panel via placarded markings. For more information see Hardware Menu on page 42.

Status LEDs

There are eight Status LEDs located in windows on the front panel (for the rack-mount system they are the lo wer set of LEDs and for the to w er-based system they will be the set on the left hand side).

These LEDs, in conjunction with an approved RAID controller, will indicate the status of a speciﬁc disk drive by their state (ﬂashing or steady) and/or color (amber or green).

For more information on interpreting these indications, see LED Descriptions on page 39.

Activity LEDs

There are eight Activity LEDs located in windows on the front panel (for the rack-mount system they are the upper set of LEDs and for the to wer-based system they will be the set on the right hand side). These LEDs will ﬂash indicating a speciﬁc drive is being accessed, either as reads or writes.

LEDs

Page 23

Getting Started

Alarm Speaker

An audible alarm will sound when any component’s condition changes to an abnormal state. The Status Indicator LEDs conditions (color and/or state) will provide a general area of failure, and the failed component can then be identiﬁed using the Operator Control Panel.

To silence the alarm, access the control panel and select “Turn Off Alarm.” For more information see Main Menu on page 42.

Fault LEDs

When a disk drive is installed in a drive slot, it has a corresponding Drive Fault LED that will illuminate to aide in identifying a failed or problem disk drive. These LEDs are located on the inside front door panel and are aligned with their respective drive slot. If the LED is illuminated (amber), the condition indicates a failed or problem drive found in that drive slot.

SAF-TE Card

The SAF-TE card contains the control and monitoring electronics for the subsystem cabinet. It provides the central data link betw een the enclosure and the host system.

Located in the tower-based systems’ top bay (the r ack-mount systems’ far left bay) are two card slots. The SAF-TE card is installed in the lower (furthest right) of the two slots. The upper slot (furthest left slot) is not used.

SAF-TE

The CR8e is designed to be compliant with version 1.0 of the SAF-TE (SCSI Accessed Fault-Tolerant Enclosure) speciﬁcation. Under this speciﬁcation, the enclosure is implemented as an assignable SCSI target ID. This allows standardized alert detection and status reporting using the SCSI bus as the underlying transport mechanism.

Alarm Speaker

Page 24

Getting Started

Disk drives, power supplies, cooling fans and temperature are continually monitored and these conditions are then reported over the SCSI bus to the host system.

When used in conjunction with the A dminiStor Stor age Management software , the CR8e can alert the user or LAN administrator of conditions requiring their attention. These alert notiﬁcations can be made via network br oadcast or electr onic pages, in addition to the LEDs and Operator Control Panel alerts found on the CR8e subsystem. This allows the administrator to receive remote notiﬁcation of conditions that require corrective action to prevent data loss.

SAF-TE Card

Page 25

Installation

Setup

The installation of your nStor CR8e disk array subsystem is essentially a three-step process: the subsystem is setup and its components installed, the cabling is completed based on the supported conﬁgurations, and the array is then conﬁgured.

This chapter is divided into two sections: Setup and Cabling Conﬁguration. The Setup section provides the instructions for assembling the rack-mount subsystem, and installing the hardware components (contr ollers, disk driv es, pow er supplies, etc.,) for both rack-mount and deskside tower-based subsystems.

The Cabling Conﬁguration section contains samples of cabling schemes and conﬁgurations. If your desired conﬁgur ation is not shown in the samples, refer to the example most similar and follow the cabling topology scheme expanding the conﬁguration example to ﬁt your needs while conforming to the speciﬁc SCSI speciﬁcation.

The CR8e is designed with an open architecture that allows for many possible combinations of cabling schemes. Because of these possible combinations, we will provide a sampling of conﬁgurations in this chapter.

Additional conﬁgurations are available through the use of nStor’s Ultra Extender or Differential Converter Feature cards. Refer to the nStor Feature Card User’s Guide for information speciﬁc to each card and conﬁguration. When conﬁguring the array, refer to the user’s guide provided with your RAID controller.

Page 26

Installation

System Requirements

The nStor CR8e disk subsystem is based on an open architecture design and can be connected to any host-based SCSI system. R efer to your adapter/contr oller and host system user’s manuals for information about the system requirements for the host system where the controller will be installed.

Guidelines

Before installation, you will need to consider the following:

■ When referencing a component on the rear panel it is assumed the user is

facing the rear panel and when referencing the fr ont panel components the assumption is that the user is facing the front panel.

■ Interior temperature of the rack cabinet should be maintained at ambient

temperatures but must not exceed 117°F (47°C) during normal operation.

■ Remove each piece from the shipping carton, leaving the disk drives in

their anti-static protective packaging until you are ready to install them.

■ Save the packing materials in case you need to ship the CR8e.

■ Secure all cable connectors using the thumb screws (ﬁnger tight only).

■ When connecting the data cable VHD connectors, be sure to exercise

caution that the connector is inserted carefully and correctly. Otherwise it is very likely to bend the pins inside the connector.

System Requirements

Page 27

Installation

8-32 Pan Head Screws

8-32 Caged

Nuts

Washers

Front Rack Vertical

Rear Rack Vertical

Rack-Mount Subsystem Assembly

You can install the CR8e into any standard IAE 19" rack cabinet. CAUTION: Ensure that the location of the CR8e does not create an unstable

condition when installed in the rack cabinet enclosure.

NOTE: Mount the subsystem into the rack enclosure before installing the disk

drives. This will reduce the weight r equired to support during installation.

1 Select an appropriate location in your rack cabinet for the CR8e. If you are

installing multiple systems, review the cabling conﬁguration section later in this chapter for your cable scheme to determine the optimum locations.

Rack-Mount Subsystem Assembly

Page 28

Installation

Rail is installed to

the front and rear

rack cabinet verticals.

8-32 Pan

Head Screws

2 To aide in support bracket installation, remove the rack cabinet side panels. 3 Locate the two support brackets. Mount the two brackets to the rack cabinet

verticals using the four screws, four washers, and four caged nuts provided for each bracket. Refer to detail “A” in the illustration on the previous page.

NOTE: The caged nuts are secured into the r ack cabinet v ertical slots by inserting

one side of the nut into the slot and squeezing while pressing the opposite side in until it snaps into place.

4 Remove the two (2) upper enclosure case screws as depicted below on the

right side of the subsystem cabinet. NOTE: The enclosure is attached to the support bracket only on the right side. 5 Slide the subsystem cabinet into the cabinet with the subsystem riding on top

of the support brackets. 6 Align the two upper case screw holes with those provided in the support

bracket on the right side.

Rack-Mount Subsystem Assembly

7 Secure the subsystem cabinet to the right hand rail using the two (2) screws

previously removed. 8 Continue with the component installation on the next page.

Page 29

Installation

Component Installation

CAUTION: Disk drives and printed circuit board components are sensitive to

electrostatic discharge. To prevent operating failure or damage, observe the following: Establish a ground for yourself by using the wrist grounding strap, or by touching the metal chassis prior to handling or installing the drives or printed circuit board components.

1 Down your server or power off your computer system in preparation for

installing the host adapter (if applicable).

2 Install the adapter into your host computer. For speciﬁc instructions, refer to

your host system’s manual and the host adapter’s user guide.

CAUTION: Exercise care when handling any hard disk drive. Do not drop, jar , or

bump the disk drives.

3 Install the disk drives. Remove one of the disk drives from its anti-static

protective packaging.

4 Holding the drive by its edges, locate the Drive Latching Clips and pull out on

the latches to unlock them. The Drive Latching Clips are placed in the locked position for shipping

purposes.

5 Insert the disk drive into the drive bay by aligning its rails into the drive bay

slots, component side toward the right on rack-mount systems or component side down on tower-based systems.

Dual-Bus module - The drive slots are split into two buses: one bus

connects the left or upper four drive slots and the other bus connects the right or lower four drive slots.

Depending on to which bus the drives will be conﬁgured, begin populating the drives starting with the far right slot or lowest slot for that bus.

Single-Bus module -

The Single-Bus module connects all eight drive slots to one bus. B lowest drive slot and work to your left or up.

egin populating the drive with the far right or

Component Installation

Page 30

Installation

Populate drive bays from the lower (right) slot first.

Drive Label

Component side

Upper (left) bay, four drive slots

Lower (right) bay, four drive slots

6 Fully seat the drive by applying pressure with your thumb to the front of the

drive. 7 Press the Drive Latching Clips until they “snap” into place. The drive is now

locked into position. 8 Install the remaining drives repeating steps 3 through 7, until all the drives

have been installed, as desired. NOTE: Verify that the power switch on the CR8e is in the OFF position (O). 9 Connect one end of the power cord to the power connector on the rear panel

and the other end to a three-hole grounded outlet or power strip. A UPS is

recommended. 10 Refer to the “Cabling Conﬁguration” on page 20 to complete the data cable

connections if you are using the AM RAID Controller card. If you are using

the Ultra S2S RAID Controller, refer to the nStor Ultra S2S RAID Controller

and PC Utilities User’s Guide for information about cabling conﬁgurations.

Component Installation

Page 31

Installation

Installing the Third Power Supply

If you will be installing ﬁve (5) or more disk drives you will be required to install the third power supply.

CAUTION: Power supply installation is to be performed by qualiﬁed service

personnel only. There is no need to power off the CR8e or the computer system. The power supplies are hot swappable.

1 Loosen the two screws on the Power Supply #3 cover plate using a ﬂat-blade

screwdriver and remove the cover plate.

2 Remove the power supply from its shipping package. 3 Install the third power supply by sliding the PSU into the cabinet until it

reaches its locked position. Orient the supply as indicated in the illustration.

NOTE: Use care when inserting the power supply into its fully seated position.

Do not use a strong force to seat the PSU into its mating connector.

Power Supply #3

4 Remove the blanking plug for the LED on the cover plate. 5 Re-install the cover plate. Secure the cover plate with the two screws using a

ﬂat-blade screwdriver securing the power supply.

Component Installation

Page 32

Installation

Cabling Conﬁguration

The Ultra Wide SCSI mode provides enhanced performances with data transfers up to 40 MBs per second (20 MHz), while the Fast Wide SCSI mode will provide transfers up to 20 MBs per second (10 MHz).

The cabling conﬁguration section is divided into two subsections, Ultra Wide SCSI and Fast Wide SCSI. These two sections provide the recommended cable conﬁgurations when operating the CR8e in a speciﬁc mode.

The CR8e supports the American National Standard Ultra SCSI (F ast-20) par allel interface standards, referred to as Ultra Wide SCSI. This standard is backward compatible with Fast SCSI (SCSI-2 with the Wide option), also r eferred to as Fast Wide SCSI. This standard deﬁnes the mechanical, electrical, and timing requirements. In compliance with these interface standards, certain limitations apply when considering the conﬁguration, lengths of cabling, and termination. The conﬁguration samples and cables provided with the subsystem meet the requirements of the speciﬁcations. Modiﬁcations to any of these variables can have less than desirable results when operating any SCSI device.

Cabling Configuration

General

Cables

Cable length is a critical consideration when conﬁguring the subsystems. There are different limitations for Ultra Wide SCSI and Fast Wide SCSI.

When calculating the total length of your cabling, the internal subsystem length of cables and printed circuit board traces (known as the internal cable length) must be subtracted from your total cable length. The CR8e internal cable length is 36 inches.

For Ultr a Wide SCSI, the total SCSI cable length is 3 meters (118 inches) with

four drives and 1.5 meters (59 inches) with eight drives. After subtracting the

internal length of 36 inches the remaining cable length is 82 inches or

approximately 6.83 feet (2.08 meters) for four drives and 23 inches or

approximately 1.9 feet (.58 meters) for eight drives.

For Fast Wide SCSI, the total SCSI cable length is 6 meters (236 inches) with

four drives and 3 meters (118 inches) with eight drives. After subtracting the

internal length of 36 inches the remaining cable length is 200 inches or

approximately 16.66 feet (5.08 meters) for four drives or approximately 6.83

feet (2.08 meters) for eight drives.

Page 33

Installation

Channel 0

Channel 1

JP3 and JP4

Fault Bus Protocol

Jumpers (Add to

disable termination)

JP1 and JP2 Channel 0 and 1 Term Power Jumpers

Because of the enhancements in the CR8e, its possible to e xtend bey ond the limits set forth in the speciﬁcation. However, a symptom from exceeding this cable limit is a SCSI bus lockup or “freeze.” If you experience a similar problem and are aware of a cabling limit issue, reducing the length of cabling and returning the total length to within the speciﬁed limit should resolve any problems.

If you have a cabling issue and r equire mor e information, contact nStor Technical Support for further assistance. Data loss is possible under conditions of SCSI bus

lockup.

NOTE: Shielded data cables, such as those provided with the subsystem, must be

used to prevent r adio fr equenc y interfer ence. It is recommended that you use the cables provided by nStor. These cables have been tested and meet stringent guidelines set forth by SCSI-3 ANSI speciﬁcations.

Termination

Termination is required at both ends of the SCSI bus. There are two sets of jumpers on the I/O Interface card. One set of jumpers (JP1 and JP2) routes “T erm Po wer” in the e vent that the host contr oller is not pro viding it. The default setting is the unjumpered condition (jumper offset on one pin only). The second set of jumpers addresses a speciﬁc set of controllers that use the DEC Fault Bus protocol. If your controller uses this pr otocol, you will need to jumper (jumper on both pins) at location JP3 and JP4 on the backplane for the indicated channel that will be used. A jumper at either of these locations will disable termination at that point on the SCSI bus.

If you are using a controller that pr ovides Term Power, no change is required and SCSI bus termination will occur automatically.

Most RAID controllers provide termination for one end of the SCSI bus, while the I/O Interface card provide ﬁnal termination at the other end of the bus.

General

Page 34

Installation

Ultra Wide SCSI Mode

Several possible conﬁgurations exist for the CR8e in Ultra Wide SCSI mode. However this manual will discuss the two possible conﬁgurations using the I/O Interface card in Ultra Wide SCSI mode: dual-bus module in a single enclosure and single-bus module in a single enclosure. Refer to the nStor Feature Card User’s Guide for additional conﬁgurations when using the Ultra Extender or Differential Converter card.

When conﬁguring a dual-bus enclosure subsystem with an AM RAID Controller, one channel on the controller connects to Channel #0 on the I/O Interface card and the other channel on the controller connects to Channel #1 on the I/O Interface card – each channel addresses either the upper (right) or lower (left) bank of drives. When conﬁguring the single-bus enclosure with an AM RAID Controller, one channel on the controller connects to the right or upper channel (Channel #1) connector on the I/O Interface card and addresses both banks of drives.

From the front, the drives slots ar e divided into tw o banks. The left or upper four front drive slots, which are connected to “Channel 1” on the I/O Interface card, and the right or lower four front drive slots are connected to “Channel 0” on the I/O Interface card.

Ultra Wide SCSI Mode

Dual-Bus Enclosure

With this conﬁguration you will have a total storage capacity of up to 145 GB (using 18 GB disk drives) per subsystem enclosure.

The SCSI IDs of the drives are set by the S AF-TE card defaults to IDs 0, 1, 2, and 4, from the front beginning with the drive located on the right or lower slot of each bank. The SCSI IDs can be manually changed from the OCP, if required. Both banks of drives will normally use the same sequence of SCSI ID numbers when the Dual-Bus module is installed.

NOTE: SCSI ID 3 is reserved for the SAF-TE card processor. CAUTION: Ensure that the power switch is in the OFF (O) position for both the

host system and the CR8e subsystem before connecting any cables.

1 Connect one end of a one meter data cable to the Channel #1 connector on

the AM RAID Controller.

Page 35

Installation

Rear View CR8e

with Dual-Bus Module installed.

TOP

I/O Interface Card

1 meter data cable

I/O Interface Card

Ultra SCSI RAID Controller

Ch 0

Ch 1

Ch 0

Ch 1

Ch 1 Ch 2

2 Connect the other end of the data cable to the Channel #0 SCSI connector on

the right side or upper I/O Interface card.

3 If required, connect one end of the second one meter data cable to the

Channel #2 connector on the AM RAID Controller.

4 Connect the other end of the second data cable to the Channel #1 SCSI

connector on the right side or upper I/O Interface card.

NOTE: SCSI termination is automatic and requires no user conﬁguration. Refer

to “Termination” on page 21 for information on systems using DEC Fault bus protocol.

5 Turn on the power to the CR8e. After the power-on self-test has completed,

Status and Channel Mode LEDs will be solid green.

6 Access the Options menu on the Operator Control Panel and choose the

SAFTE CHAIN ID selection. Choose the “None” selection, refer to “SAFTE CHAIN ID” on page 50.

7 After setting the cabinet identiﬁcations you must power cycle the subsystem.

Observe normal power cycling precautions by waiting a minimum of ﬁve (5) seconds before adding power again.

This will reset the SCSI IDs to a default setting that prevents a SCSI ID

conﬂict under normal conditions. 8 Power up your computer system and run the conﬁguration program. This completes the hardware installation.

Ultra Wide SCSI Mode

Page 36

Installation

Rear View CR8e

with Single-Bus Module installed.

TOP

I/O Interface Card

1 meter data cable

I/O Interface Card

Ultra SCSI RAID Controller

Ch 0

Ch 1

Ch 0

Ch 1

Single-Bus Enclosure

With the Single-Bus module is installed, all of the disk drives in the CR8e enclosure are on the same SCSI bus. With this conﬁguration you will have a total storage capacity of up to 145 GB (using 18 GB disk drives) per subsystem enclosure and have access to the drives independently or as a single large array.

The SCSI IDs of the drives are set by SAF-TE card defaults to IDs 0 through 9, and are assigned sequentially beginning with the lowest or far right drive.

NOTE: SCSI ID 3 is reserved for the SAF-TE card processor and ID 7 reserved

for the RAID controller.

CAUTION: Ensure that the power switch is in the OFF (O) position for both the

host system and the CR8e subsystem before connecting any cables.

1 Connect one end of a one meter data cable to the Channel #1 connector on

the AM RAID Controller.

2 Connect the other end of the data cable to the Channel #1 SCSI connector on

the upper or right side I/O Interface card.

Ultra Wide SCSI Mode

NOTE: The Channel #1 connector located on the upper or right side I/O Interface

card is the active connector when the Single-Bus module is installed.

NOTE: SCSI termination is automatic and requires no user conﬁguration. Refer

to “Termination” on page 21 for information on systems using DEC Fault bus protocol.

Page 37

Installation

3 Turn on the power to the CR8e. After the power-on self-test has completed,

Status and Channel Mode LEDs will be solid green. 4 Access the Options menu on the Operator Control Panel and choose the

SAFTE CHAIN ID selection. Choose the “None” selection, refer to “SAFTE

CHAIN ID” on page 50. 5 After setting the cabinet identiﬁcations you must power cycle the subsystem.

Observe normal power cycling precautions by waiting a minimum of ﬁve (5)

seconds before adding power again.

This will reset the SCSI IDs to a default setting that prevents a SCSI ID

conﬂict under normal conditions. 6 Power up your computer system and run the conﬁguration program.

This completes the hardware installation. NOTE: For additional conﬁguration options using Ultra Wide SCSI, refer to the

nStor Feature Card User’s Guide.

Ultra Wide SCSI Mode

Page 38

Installation

Fast Wide SCSI Mode

Several possible conﬁgurations exist for the CR8e in the Fast Wide SCSI mode: dual-bus with one or two enclosures, single-bus with one or two enclosures, and one dual-bus enclosure with two single-bus enclosures connected.

Fast Wide SCSI Mode

Single Dual-Bus Enclosure

NOTE: SCSI ID 3 is reserved for the SAF-TE card processor. CAUTION: Ensure that the power switch is in the OFF (O) position for both the

host system and the CR8e subsystem before connecting any cables.

1 Connect one end of a one meter data cable to the Channel #1 connector on

the AM RAID Controller.

Page 39

Installation

Rear View CR8e

with Dual-Bus Module installed.

TOP

I/O Interface Card

1 meter data cable

I/O Interface Card

Ultra SCSI RAID Controller

Ch 0

Ch 1

Ch 0

Ch 1

Ch 1 Ch 2

2 Connect the other end of the ﬁrst data cable to the Channel #0 SCSI

connector on the right side or upper I/O Interface card. 3 If required, connect one end of the second one meter data cable to the

Channel #2 connector on the AM RAID Controller. 4 Connect the other end of the second data cable to the Channel #1 SCSI

connector on the right side or upper I/O Interface card.

NOTE: SCSI termination is automatic and requires no user conﬁguration. Refer

to “Termination” on page 21 for information on systems using DEC Fault bus protocol.

5 Turn on the power to the CR8e. After the power-on self-test has completed,

Status and Channel Mode LEDs will be solid green. 6 Access the Options menu on the Operator Control Panel and choose the

SAFTE CHAIN ID selection. Choose the “None” selection, refer to “SAFTE

CHAIN ID” on page 50. 7 After setting the cabinet identiﬁcations you must power cycle the subsystem.

Observe normal power cycling precautions by waiting a minimum of ﬁve (5)

seconds before adding power again.

This will reset the SCSI IDs to a default setting that prevents a SCSI ID

conﬂict under normal conditions. 8 Power up your computer system and run the conﬁguration program.

This completes the hardware installation.

Fast Wide SCSI Mode

Page 40

Installation

Two Dual-Bus Enclosures

With this conﬁguration you will have a total storage capacity of up to 290 GB (using 18 GB disk drives) which provides 145 GB per channel per subsystem enclosure.

This conﬁguration is similar to the “Single Dual-Bus Enclosure” except that the capacity is expanded with a second cabinet providing a total of eight drives per SCSI channel.

CAUTION: Ensure that the power switch is in the OFF (O) position for both the

host system and the CR8e subsystem before connecting any cables.

1 Connect one end of a one meter data cable to the Channel #1 connector on

the AM RAID Controller.

2 Connect the other end of the ﬁrst data cable to the Channel #0 SCSI connector on

the right side or upper I/O Interface card.

3 Connect one end of the second one meter data cable to the Channel #2 connector

on the AM RAID Controller.

4 Connect the other end of the second data cable to the Channel #1 SCSI connector

on the right side or upper I/O Interface card.

Ultra SCSI RAID Controller

Ch 1 Ch 2

Ch 0

1 meter data cable

TOP

Ch 1

Rear View CR8e

with Dual-Bus Module installed.

Ch 0

Ch 1

14-inch jumper cable

I/O Interface Card

Ch 0

TOP

Ch 1

Rear View CR8e

with Dual-Bus Module installed.

Ch 0

Ch 1

I/O Interface Card

5 Locate the jumper cables. Connect one end of a jumper cable to the Channel #0

SCSI connector on the left side or lower I/O Interface car d in the ﬁrst cabinet.

Fast Wide SCSI Mode

Page 41

Installation

6 Connect the other end of the jumper cable to the Channel #0 SCSI connector

on the left side or lower I/O Interface card in the second cabinet. 7 Connect one end of a second jumper cable to the Channel #1 SCSI connector

on the left side or lower I/O Interface card in the ﬁrst cabinet. 8 Connect the other end of the second jumper cable to the Channel 1 SCSI

connector on the left side or lower I/O Interface card in the second cabinet. NOTE: SCSI termination is automatic and requires no user conﬁguration. Refer

to “Termination” on page 21 for information on systems using DEC Fault bus protocol.

9 Turn on the power to the CR8e. After the power-on self-test has completed,

Status and Channel Mode LEDs will be solid green. 10 Access the Options menu on the Operator Control Panel and choose the

SAFTE CHAIN ID selection. For each subsystem, identify which subsystem

will be the master cabinet and which will be the slave cabinet. (Generally, the

master cabinet will the subsystem connected to the controller.) Refer to

“SAFTE CHAIN ID” on page 50. 11 After setting the cabinet identiﬁcations you must power cycle the subsystem.

Observe normal power cycling precautions by waiting a minimum of ﬁve (5)

seconds before adding power again.

This will reset the SCSI IDs to a default setting that prevents a SCSI ID

conﬂict under normal conditions. 12 Power up your computer system and run your conﬁguration program.

This completes the hardware installation.

Fast Wide SCSI Mode

Page 42

Installation

Single-Bus Enclosure

With the Single-Bus module is installed, all of the disk drives in the CR8e enclosure are on the same SCSI bus. With this conﬁgur ation you will have a total storage capacity of up to 145 GB (using 18 GB disk drives) per subsystem enclosure and have access to the drives independently or as a single large array.

The SCSI IDs of the drives are set by SAF-TE card defaults to IDs 0 through 9, and are assigned sequentially beginning with the lowest or far right drive.

NOTE: SCSI ID 3 is reserved for the SAF-TE card processor and ID 7 reserved

for the RAID controller.

CAUTION: Ensure that the power switch is in the OFF (O) position for both the

host system and the CR8e subsystem before connecting any cables.

1 Connect one end of a one meter data cable to the Channel #1 connector on

the AM RAID Controller.

2 Connect the other end of the data cable to the Channel #1 SCSI connector on

the upper or right side I/O Interface card.

NOTE: The Channel #1 connector located on the upper or right side I/O Interface

card is the active connector when the Single-Bus module is installed.

Fast Wide SCSI Mode

TOP

Ch 1

I/O Interface Card

Ultra SCSI RAID Controller

Ch 1

Ch 0

1 meter data cable

Rear View CR8e

with Single-Bus Module installed.

Ch 0

NOTE: SCSI termination is automatic and requires no user conﬁguration. Refer

to “Termination” on page 21 for information on systems using DEC Fault bus protocol.

Page 43

Installation

3 Turn on the power to the CR8e. After the power-on self-test has completed,

Status and Channel Mode LEDs will be solid green. 4 Access the Options menu on the Operator Control Panel and choose the

SAFTE CHAIN ID selection. Choose the “None” selection, refer to “SAFTE

CHAIN ID” on page 50. 5 After setting the cabinet identiﬁcations you must power cycle the subsystem.

Observe normal power cycling precautions by waiting a minimum of ﬁve (5)

seconds before adding power again.

This will reset the SCSI IDs to a default setting that prevents a SCSI ID

conﬂict under normal conditions. 6 Power up your computer system and run the conﬁguration program.

This completes the hardware installation.

Fast Wide SCSI Mode

Page 44

Installation

Unavailable Drive Available Drive

Rear View CR8e

with Single-Bus Module installed.

TOP

I/O Interface Card

1 meter data cable

14-inch jumper cable

I/O Interface Card

Ultra SCSI RAID Controller

Ch 0

Ch 1

Ch 0

Ch 1

Rear View CR8e

with Single-Bus Module installed.

TOP

I/O Interface Card

Ch 0

Ch 1

Ch 0

Ch 1

Two Single-Bus Enclosures

This conﬁguration is similar to the “Single-Bus Enclosure” except that the capacity is expanded with a second cabinet providing a total of fourteen driv es per SCSI channel.

In this conﬁguration a total of 16 SCSI IDs are available, one ID is consumed by the AM RAID Controller , and ID 3 is tak en by the SAF-TE processor , lea ving the fourteen remaining SCSI IDs available for the disk drives. Since the two CR8e enclosures provide for sixteen drives, with only 14 IDs available two drive slots will remain empty under this conﬁguration.

CAUTION: Ensure that the power switch is in the OFF (O) position for both the

host system and the CR8e subsystem before connecting any cables.

1 Connect one end of a one meter data cable to the Channel #1 connector on

the AM RAID Controller.

2 Connect the other end of the data cable to the Channel #1 SCSI connector on

the upper or right side I/O Interface card.

NOTE: The Channel #1 connector located on the upper or right side I/O Interface

card is the active connector when the Single-Bus module is installed.

Fast Wide SCSI Mode

3 Locate the jumper cables. Connect one end of a jumper cable to the Channel #0

SCSI connector on the left side or lower I/O Interface car d in the ﬁrst cabinet.

Page 45

Installation

4 Connect the other end of the jumper cable to the Channel #0 SCSI connector

on the left side or lower I/O Interface card in the second cabinet. NOTE: SCSI termination is automatic and requires no user conﬁguration. Refer

to “Termination” on page 21 for information on systems using DEC Fault bus protocol.

5 Turn on the power to the CR8e. After the power-on self-test has completed,

Status and Channel Mode LEDs will be solid green. 6 Access the Options menu on the Operator Control Panel and choose the

SAFTE CHAIN ID selection. For each subsystem, identify which subsystem

will be the master cabinet and which will be the slave cabinet. (Generally, the

master cabinet will the subsystem connected to the controller.) Refer to

“SAFTE CHAIN ID” on page 50. 7 After setting the cabinet identiﬁcations you must power cycle the subsystem.

Observe normal power cycling precautions by waiting a minimum of ﬁve (5)

seconds before adding power again.

This will reset the SCSI IDs to a default setting that prevents a SCSI ID

conﬂict under normal conditions. 8 Power up your computer system and run your conﬁguration program.

This completes the hardware installation.

Fast Wide SCSI Mode

Page 46

Installation

A Dual-Bus Enclosure with Two Single-Bus Enclosures

With this conﬁguration you will be able to expand the capacity of each SCSI channel of a Dual-Bus enclosure by adding a Single-Bus enclosure to each channel. This provides up to twelv e drives per SCSI channel for a total capacity of 218 GB (using 18 GB disk drives) on each channel.

CAUTION: Ensure that the power switch is in the OFF (O) position for both the

host system and the CR8e subsystem before connecting any cables.

1 Connect one end of a one meter data cable to the Channel #1 connector on

the AM RAID Controller.

2 Connect the other end of the ﬁrst data cable to the Channel #0 SCSI connector

on the right side or upper I/O Interface card.

3 Connect one end of the second data cable to the Channel #2 connector on the

AM RAID Controller.

4 Connect the other end of the second data cable to the Channel #1 SCSI

connector on the right side or upper I/O Interface card.

Fast Wide SCSI Mode

Ultra SCSI RAID Controller

Ch 1 Ch 2

Ch 0

1 meter data cable

Rear View CR8e

Ch 0

TOP

Ch 1

I/O Interface

Card

I/O Interface

Card

with Single-Bus Module installed.

Ch 1

14-inch jumper cable

TOP

Ch 0

Rear View CR8e

with Dual-Bus Module installed.

Ch 0

Ch 1

14-inch jumper cable

TOP

Ch 0

I/O Interface

Card

I/O Interface

Card

Rear View CR8e

with Single-Bus Module installed.

Ch 0

Ch 1

5 Locate the jumper cables. Connect one end of one jumper cable to the

Channel #0 SCSI connector on the left side or lower I/O Interface card installed in the Dual-Bus enclosure (master).

Ch 1

I/O Interface

Card

I/O Interface

Card

Page 47

Installation

6 Connect the other end of the ﬁrst jumper cable to the Channel #0 SCSI

connector on the left side or lower I/O Interface card installed in the

Single-Bus enclosure (Slave #1). 7 Connect one end of a second jumper cable to the Channel #1 SCSI connector

on the left side or lower I/O Interface card installed in the Dual-Bus enclosur e

(master). 8 Connect the other end of the second jumper cable to the Channel #0 SCSI

connector on the left side or lower I/O Interface card installed in the

Single-Bus enclosure (Slave #2). NOTE: SCSI termination is automatic and requires no user conﬁguration. Refer

to “Termination” on page 21 for information on systems using DEC Fault bus protocol.

9 Turn on the power to the CR8e. After the power-on self-test has completed,

Status and Channel Mode LEDs will be solid green. 10 Access the Options menu on the Operator Control Panel and choose the

SAFTE CHAIN ID selection. For each subsystem, identify which subsystem

will be the master cabinet and which will be the slave cabinets. (Generally,

the master cabinet will the subsystem connected to the controller.) Refer to

“SAFTE CHAIN ID” on page 50. 11 After setting the cabinet identiﬁcations you must power cycle the subsystem.

Observe normal power cycling precautions by waiting a minimum of ﬁve (5)

seconds before adding power again.

This will reset the SCSI IDs to a default setting that prevents a SCSI ID

conﬂict under normal conditions. 12 Power up your computer system and run your conﬁguration program.

This completes the hardware installation.

Fast Wide SCSI Mode

Page 48

Installation

Other Conﬁgurations

There are many possible combinations of controllers and cabling schemes when conﬁguring the CR8e subsystem enclosures. The sample conﬁgurations in the previous sections pro vide the basic conﬁgurations. However , the CR8e is based on an open-architecture expandable subsystem and allows for customization to ﬁt your current or future needs.

Some other possible schemes within SCSI bus length limitations for both Ultra Wide SCSI and Fast Wide SCSI are:

■ A 3-channel AM RAID Controller where two channels connect to a

dual-bus cabinet with two single-bus cabinets (Fast Wide). The third channel of the controller can be connected to another Single-Bus enclosure (Ultra Wide or Fast Wide).

■ A 3-channel AM RAID Controller with a Single-Bus enclosure connected

to each channel (Ultra Wide or Fast Wide).

■ A 3-channel AM RAID Controller with two Single-Bus enclosures

connected to each channel (Fast Wide).

■ A 3-channel AM RAID Controller with two Single-Bus enclosures

connected to two channels and a dual-bus cabinet connected to the third channel (Fast Wide).

■ A 3-channel AM RAID Controller with four Single-Bus enclosures

connected to two channels and a dual-bus cabinet connected to the third channel (Fast Wide).

■ A 2-channel AM RAID Controller with two Single-Bus enclosures

connected to each channel (Ultra Wide or Fast Wide).

■ A 2-channel AM RAID Controller with one Single-Bus enclosure

connected to each channel (Ultra Wide or Fast Wide).

Other Configurations

NOTE: For additional conﬁguration options while operating under the Ultra

Wide SCSI mode, refer to the nStor Feature Card User’s Guide.

Page 49

Using the CR8e

In this chapter you will ﬁnd information on the subsystem’s enclosur e notiﬁcations systems, and the proper use and operation of the Operator Control Panel.

Notiﬁcations and Error Conditions

When the CR8e subsystem has powered applied, it will perform a power on selftest (POST) procedure. During the POST operation, in addition to the LED notiﬁcations, you can also monitor the operation of the subsystem tests and the subsystem component conditions all from the Operator Control Panel.

Power-On Self Test

During the diagnostic POST, a continuous tone will sound and the following will be observed:

The Operator Control Panel will display “Testing ROM”, “NVRAM”, and

“SCSI Access” follo w ed by the startup mode scr een and the Status OK (default)

screen, provided no errors are detected. The Status Indicator LEDs will be as

follows:

• Fan Status LED will be solid amber and change to solid green

• Power Supply LED will be solid green

• Channel Mode LED will be solid amber and change to solid green

If no errors are detected, all of the Status Indicator LEDs will be illuminating solid green.

Page 50

Using the CR8e

Firmware Error Conditions

NOTE:

Any of these failures listed below will gener ate the following: Channel Mode LED blinks amber eight times and the alarm will sound eight tones. After the tones have sounded the Channel Mode LED will change to green and normal oper ations will be attempted. These error conditions indicate that the LEDs and alarm functions may not be reliable.

If the errors occur constantly, the CR8e needs to be serviced. Contact nStor Technical Support.

None of the following error conditions will compromise the data integrity on the CR8e drives.

RAM Read/Write Failure - This error condition indicates that one or more bytes of the microprocessor RAM failed a write/read test.

ROM Checksum Failure - This error condition indicates that the microprocessor ROM failed to generate the proper checksum.

Register Read/Write Failure - This error condition indicates that one or mor e of the microprocessor’s registers have become defective.

RAM Checksum Failure

If this error condition occurs, the Channel Mode LED will alternately blink green and amber indeﬁnitely . This indicates that the ﬁrmw ar e stored in the non-v olatile RAM has become corrupted and new ﬁrmware data will need to be downloaded from the SCSI bus to correct this problem. Contact nStor Technical Support.

Firmware Error Conditions

SCSI Bus Access Failure

If this error condition occurs, the Channel Mode LED will blink amber four times and the speaker will sound four tones. This indicates that either the SCSI controller failed to respond to a reset command or another device has control of the SCSI bus.

Note that this may be caused by other devices having control of the bus at the time the CR8e is powered ON. After the tones have sounded, there will be a two second delay, and the microprocessor will again attempt to initialize the SCSI controller. Turning the system OFF then ON again may help resolve this condition. Normal operations will be impossible while the SCSI controller remains unresponsive.

Page 51

Using the CR8e

All drive LEDs will illuminate solid green regardless of the error conditions. The CR8e needs to be serviced if this error occurs consistently and is not cleared by cycling the power on the CR8e. Contact nStor Technical Support.

NOTE:

The CR8e subsystem will not respond to the ﬁrmware if this error occurs.

LED Descriptions

Use the following LED matrix to interpret the CR8e LEDs when the S AF-TE card is installed and an accompanied SAF-TE compliant RAID controller is installed.

SAF-TE LED Matrix

STATUS LEDs

AT POWER UP Steady Green Steady Green DRIVE READY

NOT ASSIGNED DRIVE READY

ASSIGNED HOT SPARE READY

ASSIGNED DRIVE ERROR

NOT ASSIGNED DRIVE ERROR

ASSIGNED ARRAY CRITICAL

REMAINING GOOD DRIVES HOT SPARE

REBUILD MODE DRIVE MANUALLY

DISABLED

Blinking Green Steady Green

Steady Green Steady Green

Blinking Green Steady Green

Blinking Green Steady Amber

Blinking Amber Steady Amber

Steady Amber Steady Amber

Blinking Amber Steady Amber

CHANNEL MODE LEDs

STATUS LEDs

HOT SPARE ALL EMPTY BAYS FAILED DRIVE REBUILD MODE

CHANNEL MODE LEDs

ARRAY IS FAULT-TOLERANT ARRAY IS IN REBUILD MODE ARRAY HAS A FAILED DRIVE FIRMWARE CHECKSUM ERROR Alternating Amber and Green

Steady GreenASSIGNED TO ARRAY Blinking GreenUNASSIGNED DRIVE Blinking Green Off Blinking Amber Steady Amber (all drives)

Steady Green Steady Amber Steady Amber

LED Descriptions

Page 52

Using the CR8e

STATUS : OK

nStor CR8e

MENU ENTER ESCAPE

nStor

STARTING DUAL-BUS

CONFIGURATION

MENU ENTER ESCAPE

nStor

Startup Screen

(You will see either Dual-Bus or

Single-Bus, depending on the

conﬁguration module installed.

Status OK Screen

Normal Screens

nStor CR8e

STATUS : HARDWARE

ERROR

MENU ENTER ESCAPE

nStor

MENU ENTER ESCAPE

STATUS : HEAT THRESHOLD EXCEEDED

nStor CR8e

nStor

Hardware Error Screen

Temperature Exceeded Screen

Abnormal Screens

Operator Control Panel

In this section you will ﬁnd an explanation of the Operator Control Panel screen displays, as well as a description and subsequent procedur es for using each of the OCP menu functions.

Startup Screens

The following are sample screens that could occur during the startup POST operation for normal conditions and abnormal conditions:

Operator Control Panel

If a subsystem error occur during the startup, you will hear a continuous tone from the alarm. Access the Component Status Menu to identify the suspected failed component.

Page 53

Using the CR8e

Power Supply Error Conditions

During normal operation, anytime one of the required number of power supplies becomes inoperative, you will hear a continuous alarm and a warning message will appear on the display. This message is simply a notiﬁcation that the state of the power system is no longer redundant. Use the Component Status menu to determine which power supply has failed and identify the failed unit by the absence of its “DC Good” LED on the PSU. Replace the failed component to return the subsystem to a redundant state.

If you install ﬁve (5) or more disk drives and only have two (2) power supplies installed, an alarm will sound. The Power Supply LED will illuminate steady amber and the OCP display will indicate “Non-Redundant Power.” Install a third power supply and the error message will clear follo w ed b y the Power Supply LED returning to a steady green. For more information see Installing the Third Power Supply on page 19.

Subsystem Status Icon

A feature of the CR8e OCP is the “at-a-glance” animated icon that appears to indicate subsystem status. The icon will appear at the Main menu screen after 30 seconds of no OCP input activity and provides an “at-a-glance” look at system status. The icon will be located where the cursor normally appears.

The animated icon will have a “happy” face and looks “left and right”, if all the systems are operating normally. If an abnormality occurs within the subsystem, the icon will change to a “sad” face requesting your attention.

Happy Icon

(systems nominal)

Sad Icon

(systems abnormal)

Power Supply Error Conditions

Page 54

Using the CR8e

MENU ENTER ESCAPE

HARDWARE MENU OPTIONS MENU

TURN OFF ALARM

nStor

MENU ENTER ESCAPE

OPTIONS MENU

TURN OFF ALARM HARDWARE MENU

nStor

MENU ENTER ESCAPE

CONFIGURATION INFO POST RESULTS

COMPONENT STATUS

nStor

INTERNAL TEMP

Main Menu

From the Main Menu selection the following options are available:

■ Turn off the audible alarm

■ Select the hardware menu

■ Select the options menu

To access the Main menu, press the Menu button. Use the up and down arrow buttons to make your selection and press the Enter button.

Hardware Menu

Main Menu

From the Hardware Menu selection the following options are available:

■ Component Status

■ Conﬁguration Info

■ POST Results (Power-On Self Test)

■ Internal Temp

Page 55

Using the CR8e

Component Status

The Component Status menu provides a view of the power supplies and fans installed in the CR8e and their current status. Component status can be either OK, Missing, or Failed.

1 If you receive a Hardware Error, access the Main menu and choose the

Hardware Menu.

2 Use the up/down arrow buttons to select Component Status and press the

Enter button.

3 Use the up/down arrow buttons scrolling to view the complete list of the

components.

Fan speeds are expressed in % of RPM. The bus conﬁguration will be

displayed for the type of Conﬁguration Module you have installed. 4 Press the Escape button to return to the pre vious menu or the Menu button to

return to the Main “Status OK” screen.

nStor

COMPONENT STATUS CONFIGURATION INFO POST RESULTS INTERNAL TEMP

MENU ENTER ESCAPE

nStor

PWR SPLY 1...OK PWR SPLY 2...OK PWR SPLY 3...MISSING

FAN 1...........FAILED

MENU ENTER ESCAPE

nStor

FAN 2...........OK

FAN 1 SPEED..79% FAN 2 SPEED..79% BUS CONFIG...SINGLE

MENU ENTER ESCAPE

Conﬁguration Info

This selection provides information about the subsystem’s conﬁguration including such items as the installed feature cards and ﬁrmware information.

NOTE:

Slot “x” Cards are the feature cards located on the subsystem rear panel. Slot 1 is the lower/left feature card slot and slot 2 is the upper/right feature card slot.

Main Menu

Page 56

Using the CR8e

MENU ENTER ESCAPE

INTERNAL TEMP

COMPONENT STATUS CONFIGURATION INFO POST RESULTS

nStor

MENU ENTER ESCAPE

SLOT 2 CARD:

SLOT 1 CARD: I/O INTERFACE

nStor

PROD: CR8L SAF-TE

MENU ENTER ESCAPE

RAM REVISION: 0.23 ROM REVISION: 1.05 ID: FFFFFFFFh

I/O INTERFACE

nStor

1 To view the current enclosure conﬁguration, access the Main menu and

choose Hardware Menu.

2 Use the up/down arrow buttons to select Conﬁguration Info and press the

Enter button.

3 Use the up/down arrow buttons scrolling to view the current conﬁguration. 4 Press the Escape button to return to the pre vious menu or the Menu button to

return to the Main “Status OK” screen.

Main Menu

POST Results

This screen provides a list of the diagnostics performed during the POST pr ocedure . If an error has occurred it will be display ed here in addition to the notiﬁcation provided by the LEDs and alarms, see Power-On Self Test on page 37.

nStor

COMPONENT STATUS POWER STATUS FW REVISION POST RESULTS

MENU ENTER ESCAPE

nStor

ROM CHKSUM ..OK RAM CHKSUM ..FAILED

RAM R/W. ......OK

SCSI BUS 0 ...OK

MENU ENTER ESCAPE

nStor

RAM R/W. ......OK

SCSI BUS 0 ....OK

SCSI BUS 1 ....OK

PROCESSOR.....OK

MENU ENTER ESCAPE

Page 57

Using the CR8e

1 To view the POST results, access the Main menu and choose Hardware Menu. 2 Use the up/down arrow buttons to select Post Results and press the Enter

button. 3 Use the up/down arrow buttons scrolling to view the complete POST results

lists. 4 Press the Escape button to return to the pre vious menu or the Menu button to

return to the Main “Status OK” screen.

Internal Temp

This screen displays the current internal enclosure temperature (highest of the two sensors). To change the temperature threshold of the monitoring system, see Heat Threshold on page 49.

nStor

COMPONENT STATUS CONFIGURATION INFO POST RESULTS INTERNAL TEMP

nStor

CABINET INTERNAL

TEMPERATURE

75°F / 24°C

MENU ENTER ESCAPE

1 To view the cabinet internal temperature, access the Main menu and choose

Hardware Menu.

2 Use the up/down arrow buttons to select Internal Temp and press the Enter

button. 3 Press the Escape button to return to the pre vious menu or the Menu button to

return to the Main “Status OK” screen.

Main Menu

Page 58

Using the CR8e

MENU ENTER ESCAPE

SCSI ID MENU HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE

nStor

MENU ENTER ESCAPE

nStor

RESET DEFAULT IDS

SET UPPER SLOT IDS

SET LOWER SLOT IDS

SET SAFTE ID

Options Menu

From the Options Menu the following are available:

■ SCSI ID Menu

■ Heat Threshold

■ SAFTE Chain ID

■ Change Passcode

■ Unlock Options

SCSI ID Menu

From the SCSI ID Menu you can set SCSI IDs for drives attached to each of the SCSI channels (lower slot and upper slot), and set the CR8e SAF-TE processor ID (upper or lower bus if a Dual-bus module is installed).

You can manually set SCSI IDs for each group of drives from a pre-deﬁned table of IDs, see JP4 (SCSI ID Settings) on page 74 for a list of the possible ID combinations. The SCSI IDs which are currently set will be ﬂashing. The IDs will be assigned sequentially beginning with the lowest device in the group.

NOTE:

Drive SCSI IDs cannot be set individually.

1 To manually set the SCSI IDs for the drive sets found in the upper or lower

slots, access the Main menu and choose Options Menu.

2 Use the up/down arrow buttons to select SCSI ID Menu and press the Enter

button.

3 Use the up/down arrow buttons to select either the Lower or Upper drive slot

IDs, or the SAFTE ID, and press the Enter button.

Options Menu

Page 59

Using the CR8e

MENU ENTER ESCAPE

nStor

RESET DEFAULT IDS

SET UPPER SLOT IDS

SET LOWER SLOT IDS

SET SAFTE ID

MENU ENTER ESCAPE

0 1 2 3 0 1 2 4LOWER 4 4 5 6 7 4 5 6 8 5 6 7 8

nStor

MENU ENTER ESCAPE

SET ID ON UPPER BUS

SET ID ON LOWER BUS

nStor

MENU ENTER ESCAPE

ENTER TO SET NEW ID ESC TO EXIT PROCESSOR ID: 3

ARROWS CHANGE ID

nStor

4 Use the up/down arrow buttons to make your SCSI ID group selection and

press the Enter button.

Note the ﬂashing set of IDs, if present. These will be the group currently

conﬁgured.

5 Press the Escape button twice or the Menu button to return to the Main “Status

OK” screen, then power cycle the host computer and CR8e subsystem.

NOTE:

You must power cycle the subsystem for the SCSI IDs changes to take effect.

To change the SAF-TE card SCSI ID, follow the ﬁve steps above, except select “Set SAFTE ID” in step 3 and choose from “Set ID on Lower Bus” or “Set ID on Upper Bus” in step 4. Use the up/down arrow buttons to change the ID value.

Since the subsystem is available in either a split SCSI bus design or as a single

SCSI bus, you can set the SAF-TE card SCSI ID for each bus if a conﬂict is

occurring. The default setting is SCSI ID 3 for each bus. The setting for SCSI

ID “OB” indicates Off Bus and is generally used when the subsystem is

installed in a “Slave” subsystem in a Master/Slave environment.

Options Menu

Page 60

Using the CR8e

MENU ENTER ESCAPE

RESET DEFAULT IDS

nStor

SET UPPER SLOT IDS

SET LOWER SLOT IDS

SET SAFTE ID

MENU ENTER ESCAPE

DUAL BUS MODE

ALL SCSI IDS SET TO

EFFECT CHANGES)

(CYCLE POWER TO

nStor

NOTE:

When the SAF-TE card is set to off bus, LEDs and other error reporting are not driven by the subsystem’s off bus SAF-TE card, but are reported and controlled from the “Master” subsystem’s SAF-TE card.

Reset Default IDs Selection

Choosing the “Reset Default IDs” option will r eset all subsystem SCSI IDs to their factory default settings.

The default drive ID settings when a dual-bus module is installed are 0, 1, 2, and 4 for both the upper and lower drive groups.

The default drive ID settings when a single-bus module is installed are 0, 1, 2, 4, 5, 6, 8, and 9.

The default SCSI ID for the SAF-TE card is ID 3. SCSI ID 7 is reserved for the host bus adapter.

Options Menu

NOTE:

You must power cycle the subsystem for the SCSI IDs changes to take effect. Also be sure to power cycle the host computer. If a PCI-based RAID Controller is being used and the host is not power cycled, it will “kill” all drives in the array.

1 To reset the SCSI IDs, access the Main menu and choose Options Menu. 2 Use the up/down arrow buttons to select SCSI ID Menu and press the Enter

button.

3 Use the up/down arrow buttons to select RESET DEFAULT IDS. 4 Press the Escape button twice to return to the Main “Status OK” screen, then

power cycle the host computer and CR8e subsystem.

Page 61

Heat Threshold

Using the CR8e

NOTE:

The Heat Threshold value is pre-set at the factory and should not be changed unless directed by nStor Technical Support. The default setting is 116°F/47.°C.

Choose the Heat Threshold Menu to change the temperature value for the thermal monitoring system. If the temperature exceeds the value set here, a “Temperature Threshold Exceeded” screen will appear, see Internal Temp on page 45.

nStor

SCSI ID MENU HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE

MENU ENTER ESCAPE

nStor

ARROWS TO CHANGE ENTER TO SET ESC TO EXIT 116°F / 47°C

MENU ENTER ESCAPE

1 Use the up/down arrow buttons to select Heat Threshold and press the Enter

button. 2 Using the up/down arrow buttons, change the temper atur e threshold setting.

The up arrow button will increase the temperature and the down arrow

button will lower the temperature threshold. The temperature value will

change by 2°C increments.

3 Press the Enter button the set the new temperature value. 4 Press the Escape button twice or press the Menu button to return to the Main

“Status OK” screen, then power cycle the host computer and CR8e

subsystem.

Heat Threshold

Page 62

Using the CR8e

SAFTE CHAIN ID

This option allows the administrator to establish the intercabinet SAF-TE communication to support a master and slave cabinets. The master cabinet can report component failure for both the master cabinet and up to two slave cabinets to the AdminiStor Storage Management software. Each cabinet’s individual OCP will function normally for that cabinet’s components.

Once the slave cabinets hav e been established, the administrator must use the slav e cabinet’s OCP to manually take that slave cabinet SAF-TE card off bus, refer to “SCSI ID Menu” on page 46.

1 Choose the SAFTE CHAIN ID selection and press the Enter button. 2 Use the up/down arrow buttons and choose between the options: None,

Master, Slave 1, and Slave 2, then press the Enter button.

NOTE:

Choose “NONE” when the cabinet is used in a stand-alone conﬁguration or the master/slave option is not desired.

3 You will be prompted to cycle the power on the CR8e for the changes to take

effect.

nStor

SCSI ID MENU HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE

MENU ENTER ESCAPE

nStor

NONE MASTER SLAVE 1 SLAVE 2

MENU ENTER ESCAPE

SAFTE CHAIN ID

Page 63

Using the CR8e

Change Passcode

This option allows the administrator to create or change a passcode that will protect access to all the items under the selections SCSI ID Menu, Heat Threshold, and Change Passcode.

1 Use the up/down arrow buttons to select Change P asscode and pr ess the Enter

button.

nStor

HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE UNLOCK OPTIONS

nStor

ENTER NEW PASSCODE

MENU ENTER ESCAPE

0 0 0 0

nStor

PASSCODE CHANGED

(ESCAPE TO CONTINUE)

MENU ENTER ESCAPE

2 Use the up/down arrow buttons to change the code v alue (0-9) and the Enter

button to move from one ﬁeld to the next.

3 Press the Enter button after you have made your selections. 4 You will be prompted to press the Escape button after the passcode has been

modiﬁed to enable the change to take affect. The default code is “0000.”

NOTE:

The passcode lock will not take effect until you have returned to the Main screen displaying “Status OK.”

Change Passcode

Page 64

Using the CR8e

Unlock Options

This option allows the administrator to unlock the items found under the SCSI ID Menu, Heat Threshold, and Change Passcode selections. This enables the user to change these values and protects these values from being changed by those not authorized to do so.

nStor

HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE UNLOCK OPTIONS

MENU ENTER ESCAPE

nStor

ENTER 4 DIGIT

PASSCODE

0 0 0 0

MENU ENTER ESCAPE

1 To change the Unlock Options, access the Main menu and choose Options

Menu.

2 Use the up/down arrow buttons to change the code v alue (0-9) and the Enter

button to move from one ﬁeld to the next. 3 Press the Enter button after you have made your selections. You will be prompted that the SCSI ID Menu options are unlock ed until you have

cycled the menus back to the default “Status OK” screen. An “unlock” icon will appear in place of the cursor while the options remain unlocked.

nStor

Unlock Options

OPTIONS WILL REMAIN UNLOCKED UNTIL YOU

RETURN TO THE

DEFAULT SCREEN

MENU ENTER ESCAPE

Page 65

Troubleshooting

This chapter provides solutions for some of the problems you may encounter while using the CR8e subsystem.

Common Enclosure Problems

Symptom Reason Solution

Fails to power on. Power cord not connected

properly.

Power not available at the outlet.

Power switch not in the proper position.

Faulty fuse.

Faulty power cord.

Verify that the power cord is properly connected to the power module.

If the CR8e is plugged into a three-hole grounded outlet, verify if power to the outlet has been interrupted. This can be accomplished by testing the outlet with a known working appliance, like a lamp.

Be sure that the power switch is in the “ON” position, labeled “I”.

Replace fuse, see Replacing a Fuse on page 62.

Replace power cord. If the CR8e is not responding,

contact nStor Technical Support.

Page 66

Troubleshooting

Symptom Reason Solution

Operator Control Panel display indicates “Hardware Error.”

LED and audible alarms indicate the system failed the diagnostic test.

Operator Control Panel display indicates cabinet temperature threshold has been exceeded.

Possible component failure. From the Operator Control

Panel, “Hardware Menu” from the Main Menu and select “Component Status.” Scroll down through the list to locate the failed component. Follow the procedures in the Maintenance chapter to replace the failed component.

Power-on self-test failed. From the Operator Control

Panel, “Hardware Menu” from the Main Menu and select “POST Results.” Scroll down through the list to locate the failed component, see Power-On Self Test on page 37.

Cooling fan failure.

From the Operator Control Panel, “Hardware Menu” from the Main Menu and select “Component Status.” Scroll down through the list to locate the failed component. Follow the procedures in the Maintenance chapter to replace the failed component.

Common SCSI Bus Problems

Temperature threshold too low.

Cooling fan vent blocked.

Inadequate ventilation around the CR8e.

Change the temperature threshold value, see Heat Threshold on page 49.

Examine the cooling fan vents for blockage and clear.

The location chosen for the CR8e probably has poor air circulation. Choose a better location.

Common SCSI Bus Problems

SCSI Bus problems can usually be attributed to cabling issues or faulty I/O Interface cards. Refer to the chart on the following page to review troublshooting and fault isolation procedures to assist you in identifying the suspect component.

Page 67

Troubleshooting

SCSI Bus Symptom Probable Cause Solution

SCSI Bus hangs, SCSI Bus excessive retries, and/or drives drop ofﬂine.

Faulty connectivity.

Faulty I/O Interface card.

Re-check the cables to the I/O Interface card and host adapter.

Depending on how many subsystem are connected on the SCSI bus, you will need to perform some fault isolation.

If all the drives on one bus are ofﬂine, start with the subsystem furthermost out on the chain. Disconnect the data cable. If the remaining drives return to a normal state it indicates that the isolated subsystem has the faulty component.

If this does not return the remaining drives to a normal state, continue removing each data cable on that bus until the ﬁrst subsystem is the remaining subsystem.

If you had to remove all the data cables up to the ﬁrst subsystem and the problem is still not resolved, this could indicate that the I/O Interface card in the ﬁrst subsystem is the suspect faulty card. Use one of the cards from the previous subsystems or a “new” known good card. This should return the subsystem bus to a normal condition.

Note: A return to a normal condition is indicated by the drives coming back online.

After the faulty card is replaced, begin re-connecting the data cables on the remaining I/O Interface cards noting the bus remains in a normal state.

Common SCSI Bus Problems

Page 68

Troubleshooting

Common Problems and Interpreting the LED Indications

LED Status Reason Solution

Status Indicator LEDs not functioning properly.

A speciﬁc drive’s Status LED is blinking amber and the Channel Mode LED is steady amber.

A speciﬁc drive’s Status LED is blinking amber, the remainder of the drive’s Status LEDs in that array are steady amber, and the Channel Mode LED is steady amber.

A speciﬁc drive’s Status LED is OFF and the Channel Mode LED is steady amber.

A speciﬁc drive’s Status LED is blinking green and the Channel Mode LED is steady green.

SCSI data cable not properly connected.

An assigned drive has failed. The CR8e is in a non-fault tolerant mode.

An assigned drive has failed. The CR8e is in a non-fault tolerant mode and a rebuild operation is in progress.

The disk drive is missing. The CR8e is in a non-fault tolerant mode.

A drive has not been assigned into an array or the drive is a hot spare, however it is in a ready state.

Verify that the SCSI data cable is properly connected to the CR8e SCSI-2 connector and to the controller card.

Replace the disk drive and begin rebuilding the array, see Replacing a Disk Drive on page 57.

Replace the failed disk drive (Drive’s Status LED blinking amber).

Insert a disk drive and begin an array rebuild, see Replacing a Disk Drive on page 57.

Assign the drive to an array, refer to the nStor AM RAID Utilities User’s Guide.

Common Problems and Interpreting the LED Indications

Page 69

Maintenance

In this chapter you will ﬁnd the maintenance procedures to replace individual components, as well as the entire subsystem enclosure.

Replacing a Disk Drive

CAUTION: Drives and printed circuit board components are sensitive to

NOTE: There is no need to power OFF the CR8e or the computer system. The

drives are hot swappable.

1 Unlock and open the door on the CR8e cabinet. 1 Identify the failed drive using the Status LEDs and the Fault LED. 2 Using your thumbs, apply a slight pressure outward to release the drive latch

clips, unlocking the failed drive and remove the drive.

3 Remove your new disk drive from the shipping carton and inspect the

shipment. Remove the anti-static protective packaging.

4 Holding the drive by its edges, locate the Drive Latching Clips and pull out on

the latches to unlock them. The Drive Latching Clips are placed in the locked position for shipping purposes.

Page 70

Maintenance

Power Supply #1

“DC Good” LED

Power Supply #2

Power Supply #3

5 Insert the drive into the drive bay b y aligning its r ails into the drive bay slots,

component side toward the right (rack) or down (tower). Seat the drive by

applying pressure with your thumb to the front of the drive.

6 Press the Drive Latching Clips until they “snap” into place. 7 Using the packaging materials from the replacement disk drive, repackage the

failed drive and return it to nStor Corporation, refer to the nStor Resource

Guide for information on “Obtaining a Return Material Authorization.”

Replacing a Power Supply

CAUTION: Power supplies must be replaced by qualiﬁed service personnel only.

1 Using the Operator Control Panel, identify the failed power supply.

Select “Hardware Menu” from the Main Menu and choose “Component

Status.” For more information, refer to “Component Status” on page 43.

Replacing a Power Supply

Page 71

Maintenance

NOTE: When locating the failed power supply, the “DC Good” LED will be OFF.

2 Using a ﬂat-blade screwdriver, loosen the rear door access screw. Open the

door to gain access to power supplies #1 and #2. If you are replacing the #3 power supply, loosen the two PSU Cover Plate

screws. Remove the cover plate and skip to step 3.

3 Grasp the handle of the subject power supply and pull the supply out of the

CR8e enclosure.

NOTE: The orientation of the power supply being removed. This will facilitate

the installation of the replacement supply.

4 Remove the new power supply from the shipping carton and inspect the

shipment. Save the packaging material.

5 Slide the new power supply into the cabinet until it reaches its locked

position.

NOTE: Orient the power supply in the same manner as the removed power

supply. (Air slots in the PSU case face toward the center of the cabinet.)

The new power supply’s LED should illuminate.

6 Close the rear door panel. The door has a latch mechanism that holds the

door in the open position. Squeeze the latch to release the door allowing it to be closed.

If you are replacing the #3 power supply, re-install the PSU Cover Plate and then re-secure the power cord retainer.

7 Using the packaging materials from the replacement po w er supply, repackage

and return it to nStor Corporation, refer to the nStor Resource Guide for information on “Obtaining a Return Material Authorization.”

Replacing a Power Supply

Page 72

Maintenance

Replacing the Cooling Fans

CAUTION: Cooling fans must be replaced by qualiﬁed service personnel only. NOTE: There is no need to power off the CR8e or the computer system. The

cooling fans are hot swappable.

1 Use the Operator Control Panel to identify the failed fan, refer to the

illustration below to locate the components.

Select “Hardware Menu” from the Main Menu and choose “Component

Status.” For more information, refer to “Component Status” on page 43.

Fan #2

Power Cable

Fan #2

Replacing the Cooling Fans

Fan #1

Power Cable

Fan #1

Door Latch

Fan #1

Power Cable

You may need to scroll through the list with the arrows buttons to locate the

failed component. 2 Using a ﬂat-blade screwdriver, loosen the rear door access screw. Open the

door to gain access to the fans.

3 Disconnect the failed fan’s power cable connector. 4 Remove the failed fan by sliding it out from the door assembly.

Page 73

Maintenance

5 Remove the new cooling fan from the shipping carton and inspect the

shipment. Save the packaging material.

6 With the fan guard facing toward the inside of the cabinet, slide the new fan

into its housing.

7 Reconnect the fan’s power cable connector. The connector is keyed and will

install only one direction.

8 Close the rear door panel. The door has a latch mechanism that holds the

door in the open position. Squeeze the latch to release the door allowing it to be closed.

9 Secure the door with the access panel screw. 10 Using the packaging materials from the replacement po w er supply, repackage

and return it to nStor Corporation, refer to the nStor Resource Guide for information on “Obtaining a Return Material Authorization.”

Replacing an I/O Interface Card

1 Identify the failed I/O Interface card. Refer to the Troubleshooting chapter

for information on identifying failed cards, “Troubleshooting” on page 53.

2 Turn the power OFF to the CR8e subsystem. The cards are not hot swappable.

I/O Interface Card

Thumb Screw

Replacing an I/O Interface Card

Page 74

Maintenance

3 Loosen the two thumb screws that secures the card. 4 Insert the new I/O Interface card and tighten the thumb screws. Do not

overtighten the fasteners. 5 Using the packaging materials from the replacement card, repackage the

failed card and return it to nStor Corporation. Refer to the nStor Resource

Guide for information on “Obtaining a Return Material Authorization.”

Replacing a Fuse

CAUTION: Power off the subsystem and disconnect the power cord before

changing the fuse.

1 Locate the fuse holder on the rear panel of the CR8e.

Replacing a Fuse

Fuse Assembly

Power Connector Module

Fuse (250V 10A)

250V

Fuse Holder

2 Using a small coin, turn the fuse holder counter-clockwise one quarter turn,

releasing the holder from its locked position.

Page 75

Maintenance

3 Using the tip of your ﬁnger nail, ease the holder away from the unit. 4 Once removed, separate the fuse from the holder. 5 Replace the fuse with one of identical type and rating (250V 10A). 6 Insert the fuse into the holder. 7 Insert the fuse holder into the unit and secure it. Push in while turning

clockwise one quarter turn, locking it into place. Do not overtighten.

Replacing the CR8e Cabinet

CAUTION: Drives and printed circuit board components are sensitive to

1 Remove your new enclosure cabinet from the shipping carton and inspect the

shipment. Save the packaging material. 2 Turn the power OFF to the computer system and the old CR8e enclosure. NOTE: Note the position of the data cables, disk drives, and the jumpers on I/O

Interface cards prior to disconnecting or removing the items. To facilitate correct installation, you may want to tag the cables appropriately. The drives should have a drive label located on the front of each drive unit.

3 Remove each drive noting its position and store them in a safe location. 4 Disconnect the data and power cables from the old subsystem enclosure. 5 (Rack Mount Systems Only) Remove the CR8e subsystem from the rack

cabinet assembly. 6 (Single-Bus Modules Only) Remo ve the Single-Bus conﬁgur ation module from

the old enclosure and install it into the new subsystem enclosure. 7 (Rack Mount Systems Only) Install the new CR8e subsystem enclosure into the

rack assembly.

Replacing the CR8e Cabinet

Page 76

Maintenance

8 If you have a third power supply installed in the old subsystem, remove it and

install the PSU into the new enclosure.

9 Reconnect and secure the power cord and data cables. 10 Install the drives into the new cabinet enclosure in exactly the same order as

they were in the old subsystem.

11 Power ON the new CR8e subsystem and the host computer system. 12 Verify that all systems are operating normally. 13 Using the packaging materials from the new cabinet, repackage the old cabinet

enclosure and return it to nStor Corpor ation, r efer to the nStor Resource Guide for information on “Obtaining a Return Material Authorization.”

Replacing the CR8e Cabinet

Page 77

Glossary

The following terms are used throughout this manual and may be helpful background information on the technology.

Asynchronous Operations

Cache Flush Refers to an operation where all un-written blocks in a

Channel Refers to one of the SCSI bus connectors on the

Consistency Check Refers to a process where the integrity of redundant data

Disconnect/Reconnect Disconnect is a function that allows a target SCSI device

Operations that bear no relationship to each other in time and can overlap. The concept of asynchronous I/O operations is central to independent access arrays in throughput-intensive applications.

Write-Back Cache are written to the target disk. This operation is necessary before powering down the system.

controllers or termination interface cards.

is veriﬁed. For example, a consistency check of a mirr ored drive will make sure that the data on both drives of the mirrored pair are ex actly the same . F or RAID le vel 3 and 5 redundancy, a consistency check will involve reading all associated data blocks, computing parity, reading parity, and verifying that the computed parity matches the read parity.

(typically a disk drive that received a request to perform a relatively long I/O operation) to release the SCSI bus so that the controller can send commands to other devices. When the operation is complete and the SCSI bus is needed by the disconnected target again, it is reconnected.

Page 78

Glossary

Disk Mirroring Data written to one disk drive is simultaneously written

to another disk drive. If one disk fails, the other disk can be used to run the system and reconstruct the failed disk.

Disk Spanning Several disks appear as one large disk using this

technology. This virtual disk can then store data across disks with ease without the user being concerned about which disk contains what data. The subsystem handles this for the user.

Disk Striping Data is written across disks rather than on the same drive .

Segment 1 is written to drive 0, segment 2 is written to drive 1, and so forth until a segment has been written to the last drive in the chain. The next logical segment is then written to drive 0, then to drive 1, and so forth until the write operation is complete.

Duplexing This refers to the use of two controllers to drive a disk

subsystem. Should one of the controllers fail, the other is still available to provide disk I/O. In addition, depending how the controller software is written, both controllers may work together to read and write data simultaneously to different drives.

Fault-Tolerant When something is fault-tolerant it is resistent to failure.

A RAID 1 mirrored subsystem, for example, is fault-tolerant because it can still provide disk I/O if one of the disk drives in a mirrored system fails.

Hot Spare The “Hot Spare” is one of the most important features the

controller provides to achieve automatic, non-stop service with a high degree of fault tolerance. This rebuild operation will be carried out by the controller automatically when a SCSI disk drive fails.

Logical Drive A set of contiguous chunks of a physical disk. Logical

disks are used in array implementations as constituents of logical volumes or partitions. Logical disks are normally transparent to the host environment, except when the array containing them is being conﬁgured.

Mapping The conversion between multiple data addressing

schemes, especially conversions between member disk block addresses of the virtual disks presented to the operating environment by the array management software.

Mirroring Refers to the 100% duplication of data on one disk drive

to another disk drive. Each disk will be the mirror image of the other.

Page 79

Glossary

Partition An array virtual disk made up of logical disks rather than

physical ones. Also called logical volume.

Physical Drive A ph ysical arr a y (or driv e) is a collection of ph ysical disks

governed by the RAID management software. A physical drive appears to the host computer as one or more logical drives.

RAID (Redundant Array of Independent Disks) An approach to

using multiple low cost drives as a group to improve performance, yet also pr o vide a degr ee of r edundanc y that makes data loss remote.

RAID 0 Block “striping” is provided, yielding higher performance

than is possible with individual drives. This level does not provide any redundancy.

RAID 1 Drives are paired and mirrored. All data is 100%

duplicated on an equivalent drive.

RAID 10 RAID 10 is a combination of RAID levels 0 and 1. The

data is striped across disks as in RAID 0. Each disk has a mirror disk, as in RAID 1.

RAID 3 Data is striped across several physical drives. For data

redundancy one drive is encoded with rotated XOR redundancy.

RAID 30 Data striping of two or more RAID 3 arrays. RAID level

30 is a combination of 0 and 3.

RAID 5 Data is striped across several physical drives. For data

redundancy drives are encoded with rotated XOR

redundancy. RAID 50 RAID level 50 is a combination of RAID level 0 and 5. AM RAID Controller This refers to the controller card that routes data to

and/or from the CPU. Disk array controllers perform all

RAID algorithms onboard the controller. Rebuild The regeneration of all data from a failed disk in a RAID

level 1, 3, 5, or 6 array to a replacement disk. A disk

rebuild normally occurs without interruption of

application access to data stored on the array virtual disk. Rotated XOR

Redundancy

This term (also known as “parity”) refers to a method of

providing complete data redundancy while requiring only

a fraction of the storage capacity for redundancy. In a

system conﬁgured under RAID 3 and 5, all data and

parity blocks are divided between the drives in such a wa y

that if any single drive is removed (or fails), the data on it

can be reconstructed using the data on the remaining

drives. (XOR refers to the Boolean “Exclusive-OR”

operator.)

Page 80

Glossary

SAF-TE Is the acronym for SCSI Accessed Fault-Tolerant

Enclosures. It is a monitoring and communication speciﬁcation developed by Conner (nStor) and Intel for sending and receiving server and storage system status information via the SCSI bus.

Session Refers to the period of time between any two consecutive

system shutdowns. System shutdown may be either a power off/on, or a hardware reset.

SCSI Drive A disk drive equipped with a small computer system

interface (SCSI). Each disk drive will be assigned a SCSI address (or SCSI ID), which is a number from 0 to 15. The SCSI address uniquely identiﬁes the drive on the SCSI bus or channel.

Spanning Disk spanning allows multiple disk drives to function like

one big drive. Spanning overcomes lack of disk space and simpliﬁes storage management by combining existing resources or adding relatively inexpensive resources.

Striping Disk striping writes data across multiple disks rather than

on one disk. disk striping involves partitioning each drive storage space into stripes that can vary in size from one sector (1 KB) to several megabytes.

Stripe Order The order in which SCSI Drives appear within a Physical

Pack. This order must be maintained, and is critical to the

controller’s ability to “Rebuild” failed drives. Stripe Width Refers to the number of kilobytes per stripe block. Target ID A target ID is the SCSI ID of a device attached to the disk

array controller. Each SCSI channel can have up to

sixteen SCSI devices (target ID from 0 to 15) attached to

it. Write-Through Cache Refers to a cache writing strategy whereby data is written

to the SCSI Drive before a completion status is returned to

the host operating system. This caching strategy is

considered more “secure,” since a power failure will be

less likely to cause loss of data. However, a Write-Through

cache results in a slightly lower performance, in most

environments. Write-Back Cache Refers to a caching strategy whereby write operations

result in a completion signal being sent to the host

operating system as soon as the cache (not the disk drive)

receives the data to be written. The target SCSI Drive will

receive that data at a more appropriate time, in order to

increase controller performance.

Page 81

Technical Information

SPECIFICATIONS

CR8e

Operating Environment 40°F to 94°F (+5°C to +34°C) Relative Humidity

Operating/Non-Operating 5% - 95% (non-condensing) Power Requirements 100 - 240 VAC (auto-sensing)

50-60 Hz

6.0 Amperes 3 x 150 watts

Rack Mount System Dimensions (HxWxD) w/o Handles Tower-Based System Dimensions (HxWxL) Weight (basic conﬁguration of cabinet includes

two cooling fans) Altitude -200 to 10,000 feet

Number of Drives Supported 8 Total Capacity 72.8 gigabytes (9.1 GB Drives) Interface Transfer Rate Up to 40 MB/sec Host Interface Fast/Wide SCSI-3 Drive Interface Fast/Wide SCSI-3 HDD Termination Automatic Termination Electromagnetic Emissions Requirements

(EMI)

6.83" x 17.40" x 19.00"

17.40" x 6.83" x 19.00"

48.0 lbs without drives installed

56.6 lbs with three drives installed

FCC, Part 15, Class B EN55022-B

Page 82

Technical Information

134

35 68

VHD/HD 68-pin SCSI

P-Cable Connector

Pin-out

CONNECTORS AND JUMPERS

This section provides information about the connector pinouts on the termination interface card and jumper settings on the backplane printed circuit board for your nStor CR8e subsystem.

Connectors

CR8e (continued)

Safety Requirements UL1950

CSA C22.2 #950 TUV/EN60950

CE Compliance (EMC) 89/336/EEC EMC Directive Shock

Operating Non-Operating

Vibration Operating Non-Operating

1.0 G, 2 - 50 ms

20.0 G, 2 - 20 ms

5 - 500 Hz, 0.25 G (pk to pk) 5 - 500 Hz, 1.0 G (pk to pk)

Connectors and Jumpers

Located on each termination interface card are two VDH SCSI connectors. They provide the input/output interface from the subsystem bus to the RAID contr oller or host adapter card.

Signal Name Pin

Number

+DB(12) 1 1 – DB(12) 35 2 +DB(13) 2 3 – DB(13) 36 4 +DB(14) 3 5 – DB(14) 37 6

Conductor

Number

Signal Name Pin

Number

Conductor

Number

Page 83

Technical Information

Signal Name Pin

Number

+DB(15) 4 7 – DB(15) 38 8 +DB(P1) 5 9 – DB(P1) 39 10 +DB(0) 6 11 – DB(0) 40 12 +DB(1) 7 13 – DB(1) 41 14 +DB(2) 8 15 – DB(2) 42 16 +DB(3) 9 17 – DB(3) 43 18 +DB(4) 10 19 – DB(4) 44 20 +DB(5) 11 21 – DB(5) 45 22 +DB(6) 12 23 – DB(6) 46 24 +DB(7) 13 25 – DB(7) 47 26 +DB(P) 14 27 – DB(P) 48 28 GROUND 15 29 GROUND 49 30 DIFFSENS 16 31 GROUND 50 32 TERMPWR 17 33 TERMPWR 51 34 TERMPWR 18 35 TERMPWR 52 36 RESERVED 19 37 RESERVED 53 38 GROUND 20 39 GROUND 54 40 +ATT 21 41 – ATN 55 42 GROUND 22 43 GROUND 56 44 +BSY 23 45 – BSY 57 46 +ACK 24 47 – ACK 58 48 +RST 25 49 – RST 59 50 +MSG 26 51 – MSG 60 52 +SEL 27 53 – SEL 61 54 +C/D 28 55 – C/D 62 56 +REQ 29 57 – REQ 63 58 +I/O 30 59 – I/O 64 60 +DB(8) 31 61 – DB(8) 65 62 +DB(9) 32 63 – DB(9) 66 64 +DB(10) 33 65 – DB(10) 67 66 +DB(11) 34 67 – DB(11) 68 68

Conductor

Number

Signal Name Pin

Number

Conductor

Number

Connectors

Page 84

Technical Information

JP3

JP2

JP4

J15

J17

JP5

S2S SCSI IDs

S2S CONFIG

SCSI IDs

FAN

OEM FAN

REMOTE DELAY

Rear View of Backplane PCB

Jumpers

CAUTION: Jumper conﬁguration to be performed by qualiﬁed service personnel

Disconnect the AC power cord prior to accessing any component inside the rear cabinet.

Located on the backplane printed circuit board are six jumper blocks. Fr om these jumpers system integrators can manually conﬁgure the CR8e subsystem. To change the jumper setting, pull the jumper plug off its pin(s) and carefully ﬁt in down onto the pin(s) as indicated. This allows the user to make reversible changes to the circuitry on the printed circuit board.

The jumper settings are knows as “open” or “unjumpered” and “jumpered.” When unjumpering the setting remove the jumper plug fr om both pins and seat it over just one of the pins. This allows the jumper plug to be stored for later use.

only.

Jumpers

Page 85

Technical Information

JP2 (SCSI-to-SCSI Conﬁguration)

CAUTION: Jumper conﬁguration to be performed by qualiﬁed service personnel only.

This jumper (JP2) is used to place the SCSI-to-SCSI RAID controller in a conﬁguration that is known to the CR8e subsystem. This process is accomplished by adding jumpers to JP2. The jumper block is a four position dual-row header.

S2S CONFIG

JP2

Jumper

SCSI-to-SCSI Settings

Positions

1 & 2 Reserved.

3 &4 Add this jumper to place the SCSI-to-SCSI controller

into VT100 mode for the serial channel. R emov e the jumper to place the SCSI-to-SCSI controller into the SLIP port mode.

5 & 6 Add this jumper to place the SCSI-to-SCSI controller

into the Fixed Baud Rate mode for the serial channel. Remove the jumper to place the SCSI-toSCSI controller into the Variable Baud Rate mode for the serial channel.

7 & 8 Add this jumper to place the SCSI-to-SCSI controller

in a Master conﬁguration. Remove the jumper to place the SCSI-to-SCSI controller in a Slave mode.

JP3 (SCSI-to-SCSI IDs)

CAUTION: Jumper conﬁguration to be performed by qualiﬁed service personnel only.

These jumpers (JP3) are used to manually set the SCSI-TO-SCSI IDs for the SCSI-to-SCSI RAID controller. JP3 is an four position dual-row header.

JP3

S2S

SCSI IDs

Jumper Positions

1 & 2 3 & 4 5 & 6 7 & 8 SCSI-to-SCSI ID Settings

ON ON ON ON 15

OFF ON ON ON 14

ON OFF ON ON 13

OFF OFF ON ON 12

ON ON OFF ON 11

OFF ON OFF ON 10

JP2 (SCSI-to-SCSI Configuration)

Page 86

Technical Information

JP4 (SCSI ID Settings)

CAUTION: Jumper conﬁguration must be performed by qualiﬁed service personnel

Jumper Positions

1 & 2 3 & 4 5 & 6 7 & 8 SCSI-to-SCSI ID Settings

ON OFF OFF ON 9

OFF OFF OFF ON 8

ON ON ON OFF 7

OFF ON ON OFF 6

ON OFF ON OFF 5

OFF OFF ON OFF 4

ON ON OFF OFF 3

OFF ON OFF OFF 2

ON OFF OFF OFF 1

OFF OFF OFF OFF 0

only .

JP4 (SCSI ID Settings)

These jumpers (JP4) are used to manually set the SCSI IDs for all of the disk drive slots. JP4 is an eight position dual-row header.

The tables for Drives 1, 2, 3, 4, and Drives 5, 6, 7, 8 found on this page and the following page also provides a list of the possible combinations of SCSI IDs that can be set when using the Operator Control Panel preset feature for each drive group.

SCSI

JP4

IDs

Jumper Positions for Drives 1, 2, 3, and 4 ID Settings

1 & 2 3 & 4 5 & 6 7 & 8 SCSI ID (1, 2, 3, and 4)

ON ON ON ON 0, 1, 2, 3

OFF ON ON ON 0, 1, 2, 4

ON OFF ON ON 4, 5, 6, 7

OFF OFF ON ON 4, 5, 6, 8

ON ON OFF ON 5, 6, 7, 8

OFF ON OFF ON 5, 6, 8, 9

ON OFF OFF ON 8, 9, 10, 11

OFF OFF OFF ON 9, 10, 11, 12

Page 87

Technical Information

Jumper Positions for Drives 1, 2, 3, and 4 ID Settings

1 & 2 3 & 4 5 & 6 7 & 8 SCSI ID (1, 2, 3, and 4)

ON ON ON OFF 10, 11, 12, 13

OFF ON ON OFF 10, 11, X, X

Jumper Positions for Drives 5, 6, 7, and 8 ID Settings

9 & 10 11 & 12 13 & 14 15 & 16 SCSI ID (5, 6, 7, and 8)

ON ON ON ON 0, 1, 2, 3

OFF ON ON ON 0, 1, 2, 4

ON OFF ON ON 4, 5, 6, 7

OFF OFF ON ON 4, 5, 6, 8

ON ON OFF ON 5, 6, 7, 8

OFF ON OFF ON 5, 6, 8, 9

ON OFF OFF ON 8, 9, 10, 11

OFF OFF OFF ON 9, 10, 11, 12

ON ON ON OFF 10, 11, 12, 13

OFF ON ON OFF 10, 11, X, X

JP5 (SCA Remote/Delay start)

CAUTION: Jumper conﬁguration to be performed by qualiﬁed service personnel only.

The spin-up of the drive slots is determined by adding jumpers to JP5. JP5 is a two position dual-row header. Position 1 & 2 control the “Delayed_Start” signal and position 3 & 4 control the “Remote_Start” signal.

REMOTE DELAY

JP5

Pins 1 and 2 Pins 3 and 4 Drive Spinup Mode

ON ON Motor spins up only on SCSI

“start” commands.

ON OFF Motor spins up after a delay of 12

(may vary depending on drive type) seconds times the numeric SCSI ID setting of the associated drive.

JP5 (SCA Remote/Delay start)

Page 88

Technical Information

J15

J17

FAN

OEM FAN

J15 (FAN) and J17 (OEM FAN)

CAUTION: Jumper conﬁguration to be performed by qualiﬁed service personnel only.

There are two separate fan connectors that are located at J15 and J17. Fan connector J15 is used when a SAF-TE card is present in the CR8e. When the fans are plugged into J15, the SAF-TE card controls and monitors fan speed.

Fan connector J17 is used in OEM applications when there is no SAF-TE card installed. Fan connector J17 supplies each fan with +12 volts for full speed operation.

Pins 1 and 2 Pins 3 and 4 Drive Spinup Mode

OFF ON Motor spins up only on SCSI

“start” commands.

OFF OFF Motor spins up at DC power on.

J15 (FAN) and J17 (OEM FAN)

Page 89

Index

Activity LEDs 10 Animated icon 41 Audible Alarm 3

Backplane 72

Cables 20 Cabling Configuration 20 Change Passcode 51 Channel Mode LED 9 Component Installation 17 Component Status 43 Components

Activity LEDs 10 Audible Alarm 3 Channel Mode LED 9 Configuration Modules 7 Cooling Fans 4 Door Lock 5 Fan Status LED 10 Fault LEDs 11 Hot Swappable Disk Drives 4 I/O Interface Card 6 Operator Control Panel 8 Power Cord Connector 6 Power Supply Status LED 10

Power Switch 5 Power-On LED 9 SAF-TE 11

SAF-TE Card 11 Configuration Info 43 Connectors and Jumpers 70 Cooling Fan

Replacement 60 Cooling Fans 4 CR8e Cabinet

Replacement 63

DC Good LED 59 Dimensions 69 Door Lock 5 Drive Latching Clips 17 Drive Replacement 57 Dual-Bus Module (Single Cabinet) 22, 26 Dual-Bus Module (Two Cabinets) 28 Dual-Bus Module Cabinet with Two Single-Bus

Module Cabinets 34

EMC 70 EMI 69

Failed Diagnostic Test 54

Page 90

Fan Status LED 10 Fast SCSI 20

Dual-Bus Module (Single Cabinet) 26 Dual-Bus Module (Two Cabinets) 28 Dual-Bus Module Cabinet w/Two Single-Bus

Module Cabinets 34

Single-Bus Module (Single Cabinet) 30 Fast Wide SCSI 20 Fast Wide SCSI Mode 26 Fast Wide SCSI mode 20 Fast-20 20 Firmware Error Conditions 38 Firmware information 43 Fuse 6

Replacement 62 Fuse type 63

Glossary

Disk Mirroring 66

Disk Spanning 66

Disk Striping 66

Duplexing 66

Fault-Tolerant 66

RAID 67

Hardware Error 54 Hardware Menu 42 Heat Threshold 49 Hot Spare 66 Hot Swappable Disk Drives 4

I/O Interface Card 6 Installing

Third Power Supply 19 Interface Transfer Rate 69 Internal Temp 45

J15 76 JP2 73 JP3 73 JP4 74 JP5 75

Jumpers 72

LED

Channel Mode 9 Descriptions 39 Fan Status 10

Power Supply Status 10 LED Descriptions 39 Logical Drive 66

Mapping 66 Mirroring 66

NVRAM 37

OB (Off Bus) 47 Operating Environment 69 Operator Control Panel 8 Options Menu 46 Other Configurations 36

Passcode 51 Physical Drive 67 POST 37 POST Results 44 Power Cord Connector 6 Power Requirements 69 Power Supplies 5 Power Supply

Replacement 58 Power Supply Status LED 10 Power Switch 5 Power-On LED 9 Product Registration vii

Rack-Mount Subsystem Assembly 15 RAM Checksum Failure 38 RAM Read/Write 38 README vii Rebuild 67 Register Read/Write Failure 38

Index

Page 91

Registration vii Replacing a Drive 57 Replacing a Fuse 62 Replacing a Power Supply 58 Replacing the Cooling Fans 60 Replacing the CR8e Cabinet 63 Reset Default IDs Selection 48 Resource Guide vii ROM Checksum 38

SAF-TE 68 SAFTE CHAIN ID 50 SCSI Access 37 SCSI Accessed Fault-Tolerant Enclosure 11 SCSI Bus Access Failure 38 SCSI Bus Hangs 55 SCSI cable length

limits 20 SCSI ID Menu 46 Self Test 37 Setup 13 Shielded data cables 21 Shock 70 Single-Bus module 17 Single-Bus Module (Single Cabinet) 30 Single-Bus Module (Two Cabinets) 32 Specifications 69 Startup Screens 40 Status LEDs 10 Stripe Order 68 Stripe Width 68 Striping 68 System Requirements 14 System Status Icon 41

Ultra SCSI

Dual-Bus Module (Single Cabinet) 22 Fast 20 20

Single-Bus Module (Single Cabinet) 24 Ultra Wide SCSI Mode 22 Ultra Wide SCSI mode 20 Unlock Options 52

VDH SCSI connectors 70 Vibration 70

Weight 69 Where to Find Answers vii

Technical Information 69 Temperature Threshold Exceeded 54 Termination 21 Testing ROM 37 Third Power Supply 19 Troubleshooting

Fails to Turn On 53 LEDs Not Functioning 56

Index

Page 92

Index