PackardBell 5800, ST8000 User Manual

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5800 ST8000

Disk Expansion Unit

User's Guide

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XPRESS

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5800 ST8000

Disk Expansion Unit

User’s Guide

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Copyright © 1998 Packard Bell NEC, Inc.

Trademarks

Stor and the nStor logo are trademarks or r egister ed t r adem ar ks of nStor Corporation, Inc. TolerANT is a registered trademark of Symbios Logic. Microsoft® Windows®, and Microsoft ® W indows NT™ are registered trademarks or tradem ar ks of Microsoft Corporat ion in the United Stat es and/ or in other countries. NetWare and Novell are registered trademar ks of Novell,Inc. SCO UNIX is a registered tademark of Santa Cruz O per at ions, Inc. MS-DOS is a registered trademar k of M icr osof t Corpor ation. Mylex is a registered trademark of M y lex Corporat ion

Other product and company names are registered trademar ks and t r adem arks of their respective holders. Printed in the United States of America.

PN: 102157 3/98

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Contents

1 Introduction

Welcome.........................................................................1

Features..........................................................................1

Where to Find Answers .....................................................3

Front Panel Component s ...................................................4

Operator Contr ol Panel ....................................................4

Power-On LED ................................................................5

Status Indicator LEDs ......................................................6

Alarm Speaker ................................................................7

Door Lock.......................................................................7

Status LEDs ...................................................................7

Activity LEDs..................................................................8

Rear Panel Components ....................................................9

I/O Interface Card .........................................................10

Power Cord Connector and F use ..................................... 10

Internal Components ....................................................... 11

Hot Swappable Disk Drives ............................................. 12

Power Switch ................................................................ 12

Fault LEDs ................................................................... 13

SAF-TE Card ................................................................13

Hot Swappable Cooling Fans .......................................... 13

Hot Swappable Power Supplies ....................................... 14

Configuration Modules ................................................... 15

SAF-TE ........................................................................16

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2 Installation

Setup ............................................................................ 17

Guidelines.................................................................... 18

Rack-Mount Subsystem Assembly................................... 19

Component Installat ion .................................................. 21

Cabling Configuration ..................................................... 25

Termination .................................................................. 26

Cables ......................................................................... 27

Ultra Wide SCSI Mode................................................... 28

Other Configurations....................................................... 32

3 Using the DEU

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Power-On Self Diagnos tics.............................................. 33

RAM Read/Write, RO M Checksum, and Register

Read/Write F ailures ...................................................... 34

RAM Checksum Failure .................................................. 34

SCSI Bus Access Failure ............................................... 35

LED Descriptions............................................................36

Operator Contr ol Panel ................................................... 37

Startup Scr eens ............................................................ 38

System Status Icon ....................................................... 39

Main Menu.................................................................... 40

Hardware Menu ............................................................. 41

Options Menu ............................................................... 45

Heat Threshold ............................................................. 48

SAFTE CHAIN ID .......................................................... 49

Change Passcode.......................................................... 50

Unlock Options.............................................................. 51

4 Maintenance

Replacing a Disk Drive.................................................... 53

Replacing a Power Supply............................................... 54

Replacing the Cooling Fans ............................................. 56

Replacing the DEU Cabinet ............................................. 58

Replacing a Fuse ........................................................... 59

5 Troubleshooting A Certificate and Agency Information

FCC Radio Frequency I nterference St atement................... 65

Power Cord Selection ..................................................... 67

B Glossary

..............................................................

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C Technical Information

Specifications ................................................................ 73

Connectors and Jumper s ................................................. 75

Connectors................................................................... 75

Jumpers....................................................................... 77

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D Option Cards

Introduction ................................................................... 85

Features........................................................................ 86

Quick Install .................................................................. 87

DEU Subsystems Installations......................................... 88

Setup ........................................................................... 88

Single-Ended Ultra W ide SCSI ........................................ 93

Differential Ultra Wide SCSI......................................... 105

Default Configurations .................................................117

Option Card Specifications ............................................ 118

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1 Introduction

Welcome

Congratu lations on the purchase of your new ST8000 Disk Expansion Unit (DEU). The DEU provides a superior fault-tolerant n etwork stor age solution in a subsystem-based SAF-TE compliant RAID enclosure.

The SAF-TE compliant interface provides a standard, non-pr oprietary means for the RAID subsystem to automatically in tegrate with peripheral p ackaging that supports statu s signals, hot sw apping dr ives and enclosure monitoring. Combined with the enterprisewide RAID manag ement softwar e, additional lev els of fault toleran ce can be maintain ed.

The DEU is an eight drive enc losure designed to support a h ost system-based ar chitectu re. Th e architec ture suppo rts Ultra Wide SCSI (F ast-20).

Features

The following are major features of the DEU disk array subsystem:

RAID Levels — Sup ports RAID lev els 0, 1, 3, 5, 10

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(1 + 0), 30, and 50. Configuration — Deskside towe r-based syste m and

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rack-mou nt system (fits in to a standard IAE 19- inch rack assembly). Dual-Bus or Single-Bus configu ration module s provide for an “easy” PCB plug-in c hangeable bu s configu ration.

Drive Support — Up to eig ht 3.5-inch , half-he ight

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form facto r, hot swap pable drives th at use SCA-II technology. Disk drives featured include high performan ce 7,200 and 10, 000 RPM Ultra SCSI har d disks.

Scalable Capacities — Drive capacities are

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expandable and even further expansion through daisy-chaining of multiple cabinets.

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Hot Swap Power Supplies — Dual h ot swappable

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power supplies expandable to three, all with current sharing circu itry. Power supply system provides monitorin g and sequen cing.

Cooling — Dual high capacity cooling fans.

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Notifi cation s — LEDs and audible alarms prov ide

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failure no tifications. Inside door panel Fault LEDs provide drive failur e

identification . Front Panel — A password protected Operator

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Control Panel (OCP) for administration control and monitoring functions, including control of SCSI ID settings. An imated OCP icon s for an “at-a-g lance” determination of system status.

Option Cards — Full support for Option cards

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available in Differ ential Converter an d Ultra Extender versions pr oviding data transfer r ates up to 40 MBs per second. Both support either single or dual bus Dif ferential SCSI and Ultra SCSI applications.

Termination — Option cards configured for

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automatic SCSI-bu s termination. Remote/Delay Start — A backplane ju mper

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provides for subsystem control of disk drive spin u p delay whe n the adapter does not suppl y this feature.

SCSI-to-SCSI Support — Support for an Ultra S2S

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RAID Controller prov iding on-board Ultra SCSI-toUltra SCSI RAID processing.

Locking Door — A key-locking fr ont door th at

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deters unauthorized access to the drives, controllers, and power switch.

SAF-TE — Complete support of SAF-TE v1.0

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standards (SCSI Accessed Fault Tolerant Enclosure) protocol.

Cluster-Ready — Cluster-ready su bsystem (refer

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to the Ultra S2S User’s Guide). OS Support — Supports the following OS

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platforms: Nov ell NetWare, M icrosoft® Win dows NT™, and SCO UNI X compatible.

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Storage Management Solution — Enterprise-

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wide manag ing and mon itoring sof tware.

Where to Find Answers

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

In this guide: This user’s guide provides detailed

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information f or installing an d using the DEU disk array subsy stem. The man ual assumes that the reader is already familiar with the operatin g system environments w here the DEU will be in stalled.

ServerCare™ Service Support Progra m Guide:

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Use this manual to loc ate telephone numbers for customer service, technical support, and conditions of the limited warranty.

Ultra S2S RAID Controller User’s Guide:

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Use this manual for pr ocedures to install and u se the Ultra S2S RAID Co ntroller ( DAC960SX), the S2S Interface card, an d the software utility for each specific operating system.

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Front Panel Com ponents

The DEU front panel comprises seven major components: Operator Control Panel, Power -On Indicator LED, Status In dicator LED s, Alarm Speaker , Door Loc k, Status LED s, and Activi ty LEDs.

Status Indicator LEDs

Channel Mode LED

Power Supply LED Fan Status LED

Operator Control Panel (OCP)

Speaker

Door Lock

Power-On LED

Status Indicator LEDs

Status LEDs

Operator Control Panel

The Operator Control Panel (OCP) provides for the control and mon itoring capabilities of th e DEU disk drives, power supplies, fans, and processor. From the panel’s interface, the user can change SCSI IDs for the drives and SAF-TE processor, monitor the cabinet temperatur e and chan ge the temper ature thr eshold for the monitor ing syste m.

Other menu functions prov ide for viewing component system status, sile ncing th e audible alarm, establishing a password protection, determining which feature cards have been installed, establishin g intra-cabin et communic ations (master/ slave) and r eading fir mware information.

Note:

Activity LEDs

LEDs normally visible only when illuminated, shown here for identification.

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The OCP provides a four line by twenty character display. There are five func tion keys for a menu driven interface .

An animated icon will appear on a static display and provides an “at-a-glanc e” look at system statu s. When a “happy” animate d face appear s, all systems are indicating a nominal state. Whe n the animated fac e chang es to a “sad” face, th e system indic ates that a problem has bee n detected an d requests y our attention .

The “power system” status will display the total power available per dr ive slot in red undant and n onredund ant mode. A maximu m supported value of 30 watts per driv e bay is available in either mode. The user can also view ind ividual pow er supply statu s and configurations.

Cabinet temperatu re is measured w ithin the dr ive bay area between drive slots 2 an d 3, and slots 7 and 8. By sensing c abinet temperatur e in these loc ations, the system provides the most sensitive measurement for maximum protec tion. The temperature is d isplayed in both Celsius and Fahrenheit. A SAF-TE processor monitors the performan ce of each of the fan s via tach pulses which tracks the speed of each fan impeller. The OCP displays in formation abou t the speed of e ach fan. Fan speed is co ntrolled via th e internal c abinet temperatur e, refer enced fr om the user -established temperatur e threshol d.

Power-On LED

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

Status Indicator LEDs

There ar e three Statu s Indicator L EDs to assist the user in dete rmining th e curren t state of the DEU subsystem. Th e followin g subsection s describe eac h LED.

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Channel Mode

Power Supply Status

The Chann el Mode LED indicates the status of the array su bsystem by ch anges in its co lor and state. When illuminated steady g reen, the LED in dicates normal arr ay activities.

When the L ED chang es to amber (flash ing or ste ady) it indicates abno rmal activities, f or more info rmation see LED Descriptions described late r in this gu ide.

The Powe r Supply Statu s LED indicate s the conditio n of the power supplies by change s in its color. The LED will illuminate steady gr een when all the pow er supplies are func tioning nor mally and will chan ge to amber if one o f the power supplies should f ail. The LED will also switch to amber if the pow er system is in a non-re dundant state. A failed compon ent can be identified v ia the Operator Control Pane l and the lack of a “DC Good” LED located on each power supply unit.

Fan Status

Alarm Speaker

The Fan Statu s LED indicate s the conditio n of the cooling fans by changes in its c olor. The LED w ill illuminate green w hen all of the fans are f unctioning normally an d will chang e to amber if any of the fans should fail.

When a failed component is present, use the Operator Control Panel to identify the failed fan, see Hardware Menu described later in this guid e. The fans ar e identified on the rear doo r panel via plac arded marking s.

An audible alarm will soun d when any component’s condition change s to an abnormal state. The Status Indicator LEDs will pr ovide a general area of failure by the LED co ndition (colo r and/or state ), and the faile d componen t can then be identified using the Oper ator Control Panel.

To silence th e alarm, acce ss the contr ol panel and select “Tur n Off Alarm”, see Main Menu described late r in this guide.

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Door Lock

Status LEDs

The fron t door has an integral loc k that also serv es as a door handle. In addition, the door lock provides security to deter un authorize d access to the internal components. Two keys are provided with the system.

To unlock the door, insert the key and tu rn it in a counterclockwise direc tion. To lock the door, turn the key in a clockwise direction.

There ar e eight Status L EDs located in th e window s on the front panel (for the rack-mount system they are the lower set of LEDs and for the tower -based system will be the set on th e left hand sid e).

These LEDs, in conjunction with an approved RAID controlle r, will indicate the status of that spe cific disk drive. The con dition of the drive is indicated by the LED’s state (f lashing or steady) and/ or color (amber or green).

Activity LEDs

For more in formation on interpretin g these indic ations, see LED Descriptions described later in this guide.

There are eight Activity LEDs located in the windows on the front panel (for the rack-mount system they are the upper set of LEDs an d for the tower-based system they will be the set on th e right hand side). These LEDs display a spe cific driv e’s activity , such as reads or writes.

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Rear Panel Com ponents

The DEU re ar panel co mprises four major compon ents: I/O Interface cards, power cord connector module, fuse, and access d oors to powe r supplies and f ans.

VHD SCSI Connector

I/O Interface Card

Power Supply #3 with PSU Cover Plate

PSU “DC Good” LED

Fuse

AC Power Cord

Connector

AC Power Cord

Retainer

VHD SCSI

Connector

I/O Interface Card

Rear Door Fastener

Rear Door Panel

I/O Interface Card

Card Handle

The I/O Interface card makes up the connection from the subsystem’ s bus to the RAID controlle r. Located on the I/O I nterface c ard are two 68-pin ver y high density (VHD) SCSI connectors. They provide the in terface connec tion from th e subsystem bus to the RAID controller or host adapter. The connectors are labeled Channel 0 an d Channel 1.

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The I/O Interface card inco rporates bu ilt-in automatic SCSI termination. When the data c able is plugge d in, the system au tomatically senses th e conne ction and provides the required SCSI termination.

Two sets of jumpers are provided on the card. One set routes Term Power in the event that the host controller is not providing it.

The nex t set of jumper s addresses a spe cific set of controllers that use the DEC Fault Bus protocol. If you are using a DEC system where the controller uses this protocol, you w ill need to jumper locations (jumper on both pins) JP3 an d JP4 for eac h chann el that has an external SCSI cable con nected. This will disable termination at th at point.

If you ar e using a stan dard host adapter that prov ides Term Power, no ch ange is required and SCSI bus termination w ill occur au tomatically.

Power Cord Connector and Fuse

The power cord connector supplies the AC power to the DEU through a power cord connected to a conventional three-h ole groun ded outlet or p ower strip. A 250V 10 amp fuse is provided to protect the system from any electrical f ault.

Internal Components

There ar e seven pr imary inter nal compon ents: disk drives (up to eight), Fault LEDs, power switch, SAF-TE card, h ot swappable coo ling fans, h ot swappable pow er supplies, and configuration module (Dual-Bus or Single-Bus).

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Optional Bay for

Ultra S2S RAID Controller

SAF-TE Card

Fault LEDs

Power On/Off Switch

Hard Disk Drive

I/O Interface Card

Cooling Fan #2

Cooling Fan #1

“DC Good” LED

Hot Swappable Disk Drives

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

The DEU uses high performance, 3.5-inch form factor hot swappable disk drives. The drives are designed to operate on Small Computer System Interface (SCSI) and are SCSI-3/ SCSI-2 command c ompatible.

Each drive has an 80-pin Wide Single Connector Attachment (SCA-I I) interface , designed to allow the drive to be h ot plugge d directly in to the backplan e.

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Power Switch

The drive mounting design incorporates a rail system with built-in connec tors making it po ssible to “hot swap” a drive without sh utting dow n the system. This design allow s for easy installation with minimal for ce and latchin g clips to secu re the driv es into place.

Note: All drives in an array shou ld be of the same capacity. If the drives are mixed, all of the dr ives in the array are assigned the capacity of the smallest size drive.

The power switch is located inside the lockin g front door and controls AC power to all of the power supplies. This positioning of the switch deters unauthorized users from powering down the D EU provided the door is locked. The switch is recessed to prev ent inadvertent activation du ring ser vice activ ity.

The switch is labeled with a “I” for the ON condition and “O” for the O FF condition and is illu minated when the power is on for easy identification. Depending on the orien tation of the su bsystem (i.e. , in the r ack configu ration) the “I” label will appear as a — and should be inte rpreted as the ON condition .

Fault LEDs

SAF-TE Card

Drive Fault LEDs are provided inside the front door to aide in identifying the failed (or problem) disk driv e. These LEDs are aligned with their respective drive/dr ive bay. An illu minated LED (amber) in dicates the failed or problem drive.

The SAF-TE card contains the control and monitoring electron ics for the subsystem cabin et. It prov ides the central data lin k between th e enclosur e and the host system.

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Located in th e tower-base d systems’ top bay or the rack-mount systems’ far left bay are two card slots. The Ultra S2S RAID Controller (optional) an d the SAF-TE card are installed in these two slots. The Ultra S2S RAID Controller w ill be installed in the upper most (o r furthest left) slot. Th e SAF-TE card is installed in the next slot down or to the right.

Hot Swappable Cooling Fans

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 reduced operating noise levels. In the event of a fan failure or cabinet temperatu res approac hing the threshold limit, th e remaining f an will switch to maximum operating speed.

Cabinet temperatu re is measured w ithin the dr ive bay area between drive slots 2 an d 3, and slots 7 and 8. The fan’s speed and alarms are k eyed to the h igher o f the two temperatures. The SAF-TE processor monitors the Access the O perator Con trol Panel to dete rmine the cause and f ailed compone nt. Select “Har dware Me nu” from the M ain Menu and choose “Component Status”, see Operator Control Panel described later in th is guide. The fans are identified on the rear door panel using a plac ard for “FAN 1” and “FAN 2.” For more information on chang ing a coolin g fan, see Replacing the Cooling Fans desc ribed later in this guide.

Hot Swappable Power Supplies

Up to three 150 w att hot swappable po wer supplie s are incorpo rated as part of a f ault-toleran t design (N+1 power system). Each power supply has current share circuitr y whic h balances the lo ad between installe d power supplies. In the event of a power supply failure, the load is tran sferred to th e remainin g power su pplies without in terruption to the DEU nor mal operation.

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If a failure o ccurs, the Power Supply Status L ED will illuminate amber an d the audible alarm w ill sound. Th e user can id entify the f ailed componen t by accessing the OCP and vi ewing the “Hardware Status.” The PSU “D C Good” LED will not be illumin ated on the failed power supply, see Replacing a Powe r Supply describe d later in this guide.

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Configuration Modules

The DEU is available in two bus con figuration s which is determined by the conf iguration mo dule installed.

The Dual-Bus modu le provides for a split bus desig n, while the Single-Bus module connects both SCSI buses together that can be used when all driv es are requir ed on one SCSI bus.

The Single-Bus module is larg er in physical size th an the Dual-Bus modu le and is easily identified by a description silk-screened on the module card. It is located on th e backplane pr inted circ uit board and is accessed from the rear door panel.

The con figuration modules are installe d at location JP1 on the backplane PCB. The connector is keyed and th e module will install only on e direction. For illu stration purposes, the tower system is used to depict the location of th e 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

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SAF-TE

The DEU is designed to be compliant with SAF-TE (SCSI Accessed Fault-Tolerant Enclosure) specification version 1.0. Un der this specification, the enclosure is implemented as an assignable SCSI targ et ID. Th is allows standardized alert detection and status reportin g using th e SCSI bus as the u nderlyin g transport me chanism.

Disk drives, power supplies, cooling fans and temperature are contin ually monitor ed and these conditions are then reported over the SCSI bus to the host system. When used in conjunction with RAID managemen t software, th e DEU can aler t the user o r LAN administrator of impending or imminent conditions r equiring th eir attention. T hese alert notification s can be made v ia network broadcast or electronic pages, in addition to the LEDs and Oper ator Control Panel alerts found on the DEU. This allows the administrator to react to con ditions that cou ld normally go unnoticed until data loss.

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2 Installation

Setup

The installation o f your D EU disk array su bsystem is essentially a th ree-step pr ocess: the su bsystem is setup and its compon ents installed, th e cabling is co mpleted based on the su pported c onfigur ations, and th e array is then configured.

The DEU is designed with an open arch itecture that allows for many possible combinatio ns of cabling schemes. D ue to the in herent limitatio ns of sampling all of the possible configu rations, we will pr ovide a few of the most ty pical cabling schemes and impl ementation of the con figuration modules.

Additional con figuration s are available thr ough the use of Ultra Extender or Differential Converter Option cards. Refe r to Appendix D for info rmation specific to each card and configuration.

This chapte r is divided in to two section s: Setup and Cabling Configuration. The Setup section provides the instructio ns for assemblin g the rack -mount subsy stem, and installing the h ardware componen ts (controllers, disk drives, power supplies, etc.,) for both rack-mount and deskside tower-based subsystems.

The Cabling Configuration section contains samples of cabling sch emes and con figuration modules. If y our desired configuration is not shown in the samples, refer to the example mo st similar and follow the cabling topology schemes exp anding the example to fit y our needs.

When configuring the array, refer to the Ultra S2S RAID Controller User’s Guide provided with your controller.

If you are setting up a rack-mount subsystem continue with “Rack- Mount Subsy stem Assembly” desc ribed later in this guide, otherwise skip to “Component Installation” also desc ribed later in th is guide.

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Guidelines

Before installation, you will need to co nsider the following:

When referenc ing a component on the rear panel it is

■

assumed the user is facing the rear panel and when referen cing the front panel c omponents th e assumption is that th e user is fac ing the fr ont panel.

Interior temperatur e of the rac k cabinet sho uld be

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maintained at ambien t temperature s but must not exceed 117°F (47°C) during normal operation.

Remove each piece from the shipping carton, leaving

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the disk driv es in their an ti-static protectiv e packaging until you are ready to install them. Save the packin g materials in c ase you ne ed to ship the DEU.

Secure all cable connectors using the thumb screws

■

(finger tight only).

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Rack-Mount Subsystem Assembly

Install the DEU in to any standar d IAE 19" rack cabinet.

Caution: Ensure th at the location o f the DEU does no t create an u nstable condition when in stalled in the rac k cabinet enclosure.

Note: Mount th e subsystem into the rack e nclosure before installing the disk drives. Th is will reduce th e weight required to support during installation.

Select an appr opriate location in your r ack cabinet

for the DEU. If you are installin g multiple systems, review th e cabling c onfigur ation section late r in this chapter f or your cable scheme to determine th e optimum location .

Screw

Washer

Screw

Caged Nut

Support Bracket

Front Bezel

Screw

Plastic Washer

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Page 26

2 Locate the two suppo rt brackets. Mount th e two

brackets to th e rack c abinet vertic als using the four screws, two washers, and caged nuts provided. The bracket h as a slotted hole and a c ounter sunk hole. Mount th e slotted hole on th e rear ve rtical. The slotted hole re ceives a “pan h ead” screw w ith a washer and the countersunk hole receives a “flat head” scre w.

Note: The caged nuts are secured into the rack cabinet vertical slots by inserting one side of the nut into the slot and squeeze while pressing the opposite side until it snaps into plac e.

3 Install the caged nuts that will sec ure the fron t

bezel in step (6) prior to inser ting the DEU into the rack assembly.

4 Locate the two “D” h andle assemblies.

a Position a handle assembly on each handle

mounting bracket loc ated on the side s of the cabinet. The h andles are univer sal and will fit either side.

b Secure the handles with the two screws provided.

5 Lif t the DEU up an d onto the su pport brack ets

previously installed in step 2. Slide the DEU toward the rear o f the rack cabinet.

6 Sec ure the f ront bezel to the rack ver ticals using th e

four screws and plastic washers provided.

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Page 27

Component Installation

Caution: Disk drives and printed cir cuit board

componen ts are sensitive to electrostatic discharg e. To preven t operating failu re or damag e, observe th e following: Establish a ground for yourself by using the wrist grounding strap, or by touching the metal chassis prior to handling or installing the dr ives or printed circu it board compon ents.

Down your server or power off your computer system

in preparation for installing the c ontroller. Install the RAID Controller into your host computer.

For specific instructions, refer to your host system’s manual.

The controller must be installed in slot 1 of the h ost system (master slot) when booting from this controller.

Caution: Exercise care when handling any hard disk drive. Do not drop, jar, or bump the disk drives.

Remove on e of the disk dr ives from its an ti-static

protective packaging. Holding the dr ive by its edges, loc ate the Drive

Latching Clips and pull out o n the latches to unlock them.

The Drive Latching Clips are placed in the locked

position for shipping purposes.

Insert the d isk drive into the drive bay by aligning

its rails into the d rive bay slots, componen t 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 tw o buses: one bus connects the left or upper front four drive slots and the other bus connects the right or lower front four drive slots. The Single-Bus module connects all eight driv e slots to one bus.

Depending on which bus th e drives will be configured to, begin populating the drives starting with the far right slot or lowest slot for Channel 0 and the fifth drive slot for Channel 1.

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Page 28

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

Drive Label

Component side

6 Fully seat the drive by applying light pressure with

Upper (left) bay, four drive slots

Lower (right) bay, four drive slots

Single-Bus module: Begin populating the drive with

the far right slot or lowest slot and work to your left or up.

your th umb to the fr ont of the dr ive.

7 Press the Drive Latching Clips until they ‘snap ‘ into

place. The drive is now loc ked into position.

8 In stall the remainin g drives r epeating steps 3

through 7, until all the drives have been installed, as desired.

Note: Verify that th e power switc h on the D EU is in the OFF position (O).

9 Connec t one end of the power cord to the power

connector on the rear panel and the other end to a three-hole grounded ou tlet or power strip. A UPS is recommended.

10 Refer to th e Cabling Configuration section and

follow the procedures to cable your system.

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Page 29

Installing the Third Power Supply

If you will be installin g five (5) or mor e disk drives you will be required to in stall the third power su pply.

Note: There is no need to power off the D EU or the computer system. The power supplies are hot swappable.

1 Loosen the two screw s on the Power Supply #3 cover

plate using a f lat-blade screw driver and remove the cover plate.

2 Remove th e power supply from its shipping package. 3 In stall the third power su pply by sliding th e PSU

into the cabin et until it reac hes its locked po sition. Orient the supply as indicated in the illustr ation.

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 matin g conn ector.

Power Supply #3

4 Remo ve the blank ing plug for the LED on the co ver

plate.

5 Re-install the cover plate. Secure the cover plate

with the tw o screws u sing a flat-blade sc rewdr iver securing the power supply.

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Cabling Configur ation

This section provides the recommended c able configurations when operating the DEU in a specific mode.

The Ultra Wide SCSI mode provides enhanced perfor mances with data transfer s up to 40 MBs per second (20 MHz).

Note: Be sure to enable the Ultra SCSI (Fast-20) mode in the SCSI Adapter Setup.

The DEU sup ports the Amer ican National Stand ard Ultra SCSI (Fast-20) par allel interfac e standards, referred to as Ultra Wide SCSI. This standard is backward compatible with F ast SCSI (SCSI-2 with th e Wide option), also referr ed to as Fast Wide SCSI.

These standar ds define the me chanical, e lectrical, an d timing requ irements. In compliance w ith these interfac e standards, c ertain limitations app ly when considering the configuration, lengths of cabling, and termination. The conf iguration samp les and cables provided with the subsy stem meet the r equirements o f the specific ations. Mo difications to an y of these variables can have less than desirable re sults when operating any SCSI dev ice.

Termination

Termination is required at bo th ends of th e SCSI bus. There are two sets of jumpers on the I/O Interface card. One set of jumpers routes “Term Power” in the event that the host controller is not providing it. The default setting is the unjumpered condition (jumper offset on one pin only). The secon d set of jumpers addresses a specific set of controller s that use the D EC Fault Bus protocol. If your controller uses this protocol, you will need to jump er (jumper on both pins) at location JP3 and JP4 on th e backplane fo r the indic ated chann el that will be used. A jumper at either of these location s will disable termination at that poin t on the SCSI bus.

If you are using a controller that provides Term Power, no chan ge is requir ed and SCSI bus ter mination will occur automatically.

The Host Controller card provides termination for one end of the SCSI bus, while the I/O In terface c ard provides final termination at the other end of the bus.

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Page 31

JP3 and JP4

Fault Bus Protocol

Jumpers (Add to

disable termination)

Channel 0

Cables

Channel 1

I/O Interface Card

Channel 0 and 1 Term Power Jumpers

Cable length is another consideration when configuring the subsyste ms.

When considering the total length of your cabling requireme nts, the inter nal length of cables and prin ted circuit bo ard traces (k nown as the in ternal cable length) must be subtracte d from you r total cable length. The DEU inter nal cable leng th is 36 inches.

For Ultra Wide SCSI , the total SCSI cable length is 3 meters (118 inch es) with fou r drives an d 1.5 meters (59 inches) w ith eight dr ives. After su btracting th e internal len gth of 36 inc hes the remain ing cable len gth is 82 inches or approximately 6.83 feet (2.08 meter s) for four dr ives and 23 inch es or approx imately 1.9 feet (. 58 meters) for e ight driv es.

Because of the enhancements in the DEU, its possible to extend be yond the limits set forth in th e specification . Howeve r, a symptom fr om exceedin g this cable limit is a SCSI bus loc kup or “fr eeze.” If y ou experien ce a similar proble m and are aware of a cabling limit issue, reducing th e length of cablin g and return ing the total len gth to with in the specifie d limit should resolve any problems.

If you h ave a cabling issu e and requir e more information , contact Te chnical Su pport for fu rther assistance. Data loss is possible under conditions of

SCSI bus lockup.

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Page 32

Note: Shielded data c ables, such as those prov ided with the su bsystem, must be u sed to prev ent radio frequency interference. It is recommended that you use the cables provided with your system. These cables have been tested and meet stringent guidelines set forth by SCSI-3 ANSI specif ications.

Ultra Wide SCSI Mode

Several possible conf igurations exist f or the DEU in Ultra Wide SCSI mode. However this manual will discuss the tw o possible con figuration s using the I/O Interface card in Ultra Wide SCSI mode: dual-bus module in a single cabinet and single-bus module in a single cabinet. Refer to the Appendix D when using the Ultra Extender card.

Note: When co nfigurin g a dual-bus c abinet, both channels of the Host Controller are connected to each bank of drives through each channel on the I/O Interface card. When configuring the single-bus cabinet, one channel of the Host Controller connects both banks of dr ives only th rough the right o r upper channel (Channel 1) on the I/O Interface card.

Dual-Bus Cabinet

This configuration pr ovides two separate SCSI bus connections to the drives.

From the front, the drives slots are divided into two banks. The left or upper four front drive slots, which are conn ected to “Chan nel 1” on th e I/O Inter face car d, and the right or lower four front drive slots are connected to “Channel 0” on the I/O Interface card.

The SCSI IDs of the drives are set by SAF-TE card defaults to ID s 0, 1, 2, and 4, from the f ront begin ning with the drive located on the right or lower slot of each bank. Th e SCSI IDs can be man ually ch anged fro m the OCP, if requir ed. Both banks of drives w ill 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 th at the power switch is in th e OFF (O) position for both th e host system and the DEU subsystem befor e conn ecting any cables.

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Page 33

1 Con nect one end of a one meter data cable to th e

Channel #1 connector on the Ultra SCSI Controller.

2 Con nect the o ther end o f the data cable to th e

Channel 0 SCSI connector on the right side or upper I/O Interface card.

3 If requ ired, connect one end of the secon d one meter

data cable to the Ch annel #2 con nector on the Ultra SCSI Controll er.

4 Con nect the o ther end o f the secon d data cable to the

Channel 1 SCSI connector on the right side or upper I/O Interface card.

Single Dual-Bus Cabinet Configuration

TOP

Ch 0 Ch 1

I/O Interface Card

Ultra Wide SCSI Data Cable (1 meter)

I/O Interface Card

Ultra SCSI Controller

Host Computer

Ch 1 Ch 2

Ultra Wide SCSI Data Cable (1 meter)

Ch 0

Ch 1

Note: SCSI termination in the DEU is auto matic and requires no user configuration. Refer to “Cabling Configur ation” descri bed earlier for information o n systems using DEC Fault bus protocol.

5 Tur n on the power to the DEU. After the power- on

self-test has co mpleted, Status an d Channel M ode LEDs will be solid green.

6 Ac cess the Optio ns menu on the Operato r Control

Panel and choose the SAFTE CHAIN ID selection. Choose the “None” selection, refer to “SAFTE CHAIN ID” describe d later in this g uide.

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Single-Bus Cabinet

7 Afte r setting th e cabinet iden tifications yo u must

power c ycle the su bsystem. Obser ve nor mal power cycling precautio ns by waiting a minimum of fiv e (5) seconds before adding power again.

This will reset the SCSI ID s to a default setting that

prevents a SCSI ID conflict under normal conditions.

8 Power up your computer system and run the

configu ration prog ram.

This completes th e hardwar e installation.

The Single-Bus module link s all of the drives in the DEU cabinet to a single SCSI bus. This configuration provides the user with 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 ID s 0 throug h 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 th at the power switch is in th e OFF (O) position for both th e host system and the DEU subsystem befor e conn ecting any cables.

1 Con nect one end of a one meter data cable to th e

Channel #1 connector on the Host Controller.

2 Con nect the o ther end o f the data cable to th e

Channel 1 SCSI connector on the upper or right side I/O Interface card.

Note: The Channel 1 connec tor located on the upper or right side I/O Inter face card is the active c onnecto r when the Single-Bus module is installed.

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Page 35

Single-Bus Cabinet Configuration

TOP

Ch 1

I/O Interface Card

Ch 1

Ultra SCSI Controller

Host Computer

Ch 0

Ultra Wide SCSI Data Cable (1 meter)

Ch 1

Ch 0

Note: SCSI termination in the DEU is auto matic and requires no user configuration. Refer to “Cabling Configur ation” descri bed earlier for information o n systems using DEC Fault bus protocol.

3 Tur n on the power to the DEU. After the power- on

self-test has co mpleted, Status an d Channel M ode LEDs will be solid green.

4 Ac cess the Optio ns menu on the Operato r Control

Panel and choose the SAFTE CHAIN ID selection. Choose the “None” selection, refer to “SAFTE CHAIN ID” describe d later in this g uide.

5 Afte r setting th e cabinet iden tifications yo u must

power c ycle the su bsystem. Obser ve nor mal power cycling precautio ns by waiting a minimum of fiv e (5) seconds before adding power again.

This will reset the SCSI ID s to a default setting that prevents a SCSI ID conflict under normal conditions.

6 Power up your computer system and run the

configu ration prog ram. This completes th e hardwar e installation. Note: For additional configuration options using Ultra

Wide SCSI, refer to Appendix D.

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Page 36

Other Configurations

There are many possible combinations of controllers and cabling schemes when configuring the DEU subsystems. Th e sample conf iguration s in the prev ious sections provide the basic configurations. However, the DEU is based on an open-architecture expandable subsystem and allo ws for cu stomization to fit yo ur current or future needs.

Note: For additional configur ation options while operating under the Ultra Wide SCSI mode, refer to Appendix D.

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Page 37

3 Using the DEU

Power-On Sel f Diagnostics

When the DEU is power ed on, it will perform a pow er on self-test (POST) procedure. If no errors are detected, all of the Status In dicator LEDs will illu minate solid green.

During the diagnostic self-test a continuous tone will sound and the follow ing will be observed:

The Operator Contr ol Panel will display “Testing

ROM”, “NVRAM”, and “SCSI Access” follo wed by the

startup mode sc reen and the Status OK ( default)

screen, provide d no erro rs are detec ted. The Statu s

Indicator LEDs will be as follow s:

Fan Status LED w ill be solid amber and ch ange



to solid green Power Supply LED will be solid g reen



Channel Mo de LED will be solid amber an d



change to solid green

In addition to the LED indications, the POST procedure can be monitored from the Operator Control Panel.

The results of the test can be viewed from the Operator Control Pane l by selecting “Hardware M enu” at the Main Menu and then choosing “POST Results”, see Operator Control Panel described later in this guide.

RAM Read/Write, ROM Checksum, and Register Read/Write Failures

Note: None of the following error conditions will compromise th e data integrity on the DEU dr ives.

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Page 38

Any of these failur es will gener ate the following: Channel M ode LED will blink ambe r eight times an d the speaker will soun d eight tones. Th e Channel Mode LED will chang e to green and n ormal operations will be attempted after th e tones are so unded. T hese failure s indicate that th e LEDs and audible alarm functio ns may not be re liable.

RAM Read/Write Failure - This in dicates that on e or

more bytes o f the microp rocessor RAM failed a

write/r ead test.

ROM Chec ksum Failure - T his indicates that th e

micropro cessor ROM failed to gen erate the pr oper

checksum.

or more of the microprocessor’s registers have

become defec tive. If the errors occur consistently, the DEU needs to be

serviced. Contact your service provider.

RAM Checksum Failure

The Channel Mo de LED will alternately blink green and amber inde finitely. Th is indicates that th e firmware stored in the non-volatile RAM has become corrupte d and new fir mware data will need to be downloade d from the SCSI bu s to corre ct this proble m. Contact Tec hnical Sup port.

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SCSI Bus Access Failure

The Chann el Mode LED will blin k amber four time s and the speaker will sou nd four ton es. This indicates that either the SCSI contr oller failed to r espond to a reset comman d or anothe r device has contr ol of the SCSI bus.

Note that this may be caused by o ther devic es having control o f the bus at the time th e DEU is power ed ON. After the tones hav e sounded, ther e will be a two second delay, an d the microproc essor will again attempt to initialize the SCSI controller . Turnin g the system OFF then ON again may help resolve this condition. Nor mal operations will be impossible while the SCSI controller remains unresponsive.

All drive LEDs will be solid gr een regardless of th e error conditions. The DEU needs to be serviced if this error occurs consistently and is not cleared by cycling the power on the DEU. Contact Technical Support.

Note: The DEU will not r espond to the software if th is error occurs.

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LED Descriptions

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

Use the following LED description matrix to determine the status of the DEU LEDs when t he SAF-TE card is installed and the RAID controller is powered on.

SAF-TE LED Matrix

STATUS LEDs

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

Steady GreenASSIGNED TO ARRAY

Blinking GreenUNASSIGNED DRIVE 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

Blinking Green Off Blinking Amber Steady Amber (all drives)

Steady Green Steady Amber Steady Amber

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Page 41

Operator Contr ol Panel

The Operator Control Panel is used to control and monitor the power supplies and fans. The user can also change SCSI IDs for the drives and SAF-TE processor, monitor th e cabinet temper ature or c hange th e temperatur e threshol d for the mon itoring sy stem. Other menu functions prov ide for viewing component system status, sile ncing th e alarm, establishin g a passcode to protect SCSI ID options, and reading the firmware.

Selector

Animated

Icon

Selects Menus Option or

Returns to Main Menu

Selects the Option

Indicated by Selector

TURN OFF ALARM HARDWARE MENU OPTIONS MENU

MENU ENTER ESCAPE

firmware by lyle

Appears When More Options are Available Above

Appears When More Options are Available Below

Moves Menu Selector Up

Moves Menu Selector Down

Backs Up One Level or Cancels Action

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Startup Screens

STARTING DUAL-BUS

CONFIGURATION

The follow ing are sample screens th at could oc cur during the startup P OST operation for nor mal conditions and abnormal conditions:

STATUS : OK

MENU ENTER ESCAPE

Startup Screen Status OK Screen

STATUS : HEAT THRESHOLD EXCEEDED

MENU ENTER ESCAPE

Temperature Exceeeded Screen Hardware Error Screen

Normal Screens

Abnormal Screens

MENU ENTER ESCAPE

STATUS : HARDWARE ¸ ERROR

MENU ENTER ESCAPE

If one of the errors occur during the startup, you will have a contin uous tone from th e alarm and will need to access the Co mponent Status M enu to v erify the suspected failed component.

During nor mal operation, anytime one of the required number of power supplie s becomes inoper ative, you will receive a continuou s alarm and a warn ing message w ill appear. Th is message is simply a n otification th at the state of the pow er supply system is no lon ger redund ant. Use the Comp onent Status men u to determine which power supply has failed and identify the failed un it by absence of a “DC Good” L ED on the PSU. Replace th e failed compon ent return ing the system to a redu ndant state.

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System Status Icon

If you install five (5) or more drives with only two (2) power supplies installed, an alarm will soun d, the Power Supply LED will illuminate ste ady amber, and the OCP display will indic ate “Non-Redundant Power .” Install a third power supply and the display w ill clear followed by the Power Supply LED will retu rn to steady green.

A feature of the DEU OCP is th e “at-a-glanc e” animated icon that app ears indicatin g subsystem statu s. The icon that appears appr oximately 30 sec onds after a static display in the location where the cursor would normally be lo cated.

The animated ico n will have a “happy ” face and looks “left and rig ht”, if all the sy stems are oper ating normally. If an abnormality occur s within the subsystem, the ic on will chang e to a “sad” face requesting your atten tion.

Main Menu

Happy Icon

(system nominal)

Sad Icon

(system nominal)

From the Main Menu you can select from the following options:

Turn of f the audible alarm

■

Choose the hardware menu

■

Choose the options menu

■

To access the Main menu, press the <Menu> button. Use the up an d down arr ow buttons to make your selection an d press the <En ter> button.

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Page 44

TURN OFF ALARM HARDWARE MENU OPTIONS MENU

MENU ENTER ESCAPE

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Page 45

Hardwa re Menu

From the Hardware Menu you can c hoose from the following options:

Component Statu s

■

Configuration Info

■

POST Results (Power-On Self Test)

■

Internal Te mp

■

TURN OFF ALARM HARDWARE MENU

OPTIONS MENU

MENU ENTER ESCAPE

COMPONENT STATUS CONFIGURATION INFO

POST RESULTS INTERNAL TEMP

MENU ENTER ESCAPE

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Component Status

COMPONENT STATUS CONFIGURATION INFO POST RESULTS

INTERNAL TEMP

MENU ENTER ESCAPE

The Compon ent Status Men u provide s a list of the power supplies and fan s installed in the DEU and their curr ent status. Compon ent status is eith er OK, Missing, or Failed. If you receive a Hardware Error, access the Main menu and choose Hardware menu, then selec t “Component Statu s.”

Use the up/ down arr ow buttons to v iew the c omplete list of the components.

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

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

MENU ENTER ESCAPE

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

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

MENU ENTER ESCAPE

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Configuration Info

COMPONENT STATUS POWER STATUS CONFIGURATION INFO

POST RESULTS

MENU ENTER ESCAPE

This selection provides inf ormation about th e subsystem’s c onfigur ation inclu ding suc h items as the installed featur e cards (I/O Interfac e, 1-CH Diff Converter, 2-CH Diff Converter, 1-CH Ultra Extender, 2-CH Ultra Exten der, S2S In terface [SCSI- to-SCSI interface ]), and fir mware infor mation. Slot 1 is the lower/ left feature card slot and slot 2 is the upper/right feature card slot.

PROD: xxxxx SAF-TE SLOT 1 CARD: I/O INTERFACE SLOT 2 CARD:

MENU ENTER ESCAPE

SLOT 1 CARD: 1-CH DIFF CONVERTER SLOT 2 CARD: 2-CH ULTRA EXTENDER

MENU ENTER ESCAPE

I/O INTERFACE RAM REVISION: 0.21 ROM REVISION: 1.05

ID: FFFFFFFFh

MENU ENTER ESCAPE

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POST Results

COMPONENT STATUS POWER STATUS FW REVISION POST RESULTS

MENU ENTER ESCAPE

This screen provides a list of the diagnostics performed during the startup p ower-on self-test. If an error h as occurre d it will be displayed here in addition to the sequence of LED blinks an d alarm tones, see Power-On Self Diagnostics described earlier.

ROM CHKSUM...OK RAM CHKSUM...FAILED

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

SCSI BUS 0......OK.

MENU ENTER ESCAPE

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

SCSI BUS 0 ....OK

SCSI BUS 1 ....OK

PROCESSOR.....OK

MENU ENTER ESCAPE

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Internal Temp

POWER STATUS CONFIGURATION INFO POST RESULTS INTERNAL TEMP

MENU ENTER ESCAPE

This screen displays the current internal cabinet temperatur e (highe st of the two sen sors). To c hange th e temperatur e thresh old of the mon itoring system, see Heat Threshold described later in th is guide.

CABINET INTERNAL

TEMPERATURE

75 F / 24 C

MENU ENTER ESCAPE

Options Menu

CSI ID Menu

The Options Menu provides access to the following menus:

SCSI ID Men u

■

Heat Threshold

■

SAFTE Chain ID

■

Change Passcode

■

Unlock Options

■

From the SCSI ID Menu you can set SCSI IDs for drives attach ed to each o f the SCSI chan nels (lowe r slot and upper slot), set the DEU (SAF-TE) processor ID, set the SCSI ID o f the Ultra S2S RAI D Controll er (RAID Modu le). SCSI IDs 0 - 15 are available.

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SCSI ID MENU HEAT THRESHOLD SAFTE CHAIN ID

CHANGE PASSCODE

MENU ENTER ESCAPE

Manual ID Selection

SET LOWER SLOT IDS SET UPPER SLOT IDS SET RAID MODULE ID SET SAFTE ID

MENU ENTER ESCAPE

You can set SCSI IDs manually for each group of devices f rom a pre-de fined table of ID s. The cu rrently set IDs will be flashing . The IDs will be assign ed sequentially beginning with the lowest device in the group. Drive SCSI IDs cannot be set individually. Choose “Set Lower Slot Ids” or “Set Upper Slot Ids” for the approp riate drives an d press the En ter button.

Note: SCSI ID #7 should not be used when a Ultra S2S RAID Controller is in stalled.

When selecting ID s manually, SCSI ID 3 is n ormally used by the DEU processor. The SAFTE card ID may use the setting “OB” which indicates Off Bus. However, if SAFTE is off bus, LEDs and other error reporting will not func tion properly.

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SET LOWER SLOT IDS SET UPPER SLOT IDS SET RAID MODULE ID SET SAFTE ID

MENU ENTER ESCAPE

Reset Default I Ds Selection

Choosing the “Reset Default Ids” option will automatically se t the SCSI IDs to ID s 0, 1, 2, and 4 f or the drives, and ID 3 for the processor. SCSI ID values for the driv es will be the same for both SCSI bus channels.

If an Ultra S2S RAID Controller is installed the SCSI ID will automatic ally be set to ID # 0.

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

MENU ENTER ESCAPE

SET UPPER SLOT IDS SET RAID MODULE ID SET SAFTE ID RESET DEFAULT IDS

MENU ENTER ESCAPE

TO DUAL-BUS MODE (CYCLE POWER TO EFFECT CHANGES)

MENU ENTER ESCAPE

ALL SCSI IDS SET

Note: When the “Reset Default Ids” is selected or anytime you change a SCSI ID setting, you must power the DEU OFF and ON at that sc reen for those settings to take effect. Be sure to power OFF the host computer prior to cycling the power on the DEU. Otherwise, the PCI RAID Controller (if u sed) will “kill” all drives in the array .

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Heat Threshold

SCSI ID MENU HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE

MENU ENTER ESCAPE

Note: The Heat Threshold value is pre-set at the factory and should n ot be chang ed unless di rected by Technical Support. The default setting is 114°F/45°C.

Choose the Heat Threshold Menu to change the temperatur e value for the temperatu re monitor ing system. If the temperature exceeds the value set here, a “Temperature Threshold Exceeded” screen will appear, see Internal Temp described earlier.

SAFTE CHAIN ID

ARROWS TO CHANGE ENTER TO SET ESC TO EXIT 114 F / 45 C

MENU ENTER ESCAPE

This option allow s the administrator to establish the intercabin et SAF-TE commu nication to su pport a master and slave cabinets. Th e master cabine t can report c omponent failu re for bo th the master c abinet and up to tw o slave cabinets to the RAID manag ement software. Each cabinet’s indiv idual OCP will func tion normally f or that cabine t’s compon ents.

Once th e slave cabine ts have been e stablished, the administrator must use th e slave cabine t’s OCP to manually take that slave cabin et SAF-TE card o ff bus, refer to “Manual ID Selection” described earlier.

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1. Choose the SAFTE CHAIN ID selection and pr ess the <Enter> bu tton.

2. Use the up an d down arr ow buttons to choose between th e options: n one, master, slave 1, and slave 2 and pr ess the <Enter> bu tton.

Note: Choose NONE when the cabinet is used in a stand-alone c onfigur ation or the maste r/slave option is not desired.

3. You will be prompted to cy cle the power on th e DEU for the c hanges to tak e effect.

HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE UNLOCK OPTIONS

MENU ENTER ESCAPE

NONE MASTER SLAVE 1 SLAVE 2

Change Passcode

MENU ENTER ESCAPE

This option allow s the administrator to create or change a passc ode that will protect ac cess to all the items under the selections SCSI ID Menu, Heat Threshold, and Change Passcode.

Use the arro w buttons to c hange th e code valu e (0-9)

and the en ter button to mo ve from on e field to the next.

Press the en ter button after you h ave made yo ur

selections. You will be prompted to pr ess the escape button

after the passc ode is chan ged for th e chang e to take affect. T he default c ode is “0000.”

Note: The lock will not take ef fect until you h ave return ed to the main sc reen “Status OK.”

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HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE UNLOCK OPTIONS

ENTER NEW PASSCODE

MENU ENTER ESCAPE

Unlock Options

0 0 0 0

MENU ENTER ESCAPE

PASSCODE CHANGED

(ESCAPE TO CONTINUE)

MENU ENTER ESCAPE

This option allow s 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 ch anged by th ose not auth orized to do so.

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HEAT THRESHOLD SAFTE CHAIN ID CHANGE PASSCODE UNLOCK OPTIONS

MENU ENTER ESCAPE

Select the “Unlock Options” from the Options menu.

Use the arro w buttons to c hange th e code valu e (0-9)

ENTER 4 DIGIT

PASSCODE

0000

and the Ente r button to mov e from on e field to the next.

Press the En ter button af ter you h ave made you r

selections.

You will be prompted th at the SCSI ID Menu options are unlocked until you have cycled the menus back to the default “Statu s OK” scr een. An “u nlock” ico n will appear in place of the cursor while the options remain unlocked.

OPTIONS WILL REMAIN

UNLOCKED UNTIL YOU

RETURN TO THE

DEFAULT SCREEN

MENU ENTER ESCAPE

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4 Maintenance

Replacing a Disk Drive

Caution: Drives an d printed cir cuit board c omponents are sensitive to electrostatic discharg e. To pre vent operating failure or damag e, observ e the followin g: Establish a ground for yourself by using the wrist grounding strap, or by touching the metal chassis prior to handling or in stalling the drives or printed circu it board compo nents.

Note: There is no need to power OFF th e DEU or the computer system. The drives are hot swappable.

Unlock and open the door on the DEU c abinet.

Identify th e failed drive u sing the Statu s LEDs and

the Fault LED. Using your thumbs, apply a slight pressure outward

to release the d rive latch c lips, unloc king the f ailed drive and r emove the d rive.

Remove your new disk drive from the shipping

carton an d inspect the shipment. Remo ve the antistatic protectiv e packagin g.

Holding the dr ive by its edges, loc ate the Drive

Latching Clips and pull out o n the latches to unlock them. The Drive Latchin g Clips are placed in the locked position for shipping purposes.

Insert the d rive into th e drive bay by aligning its

rails into the dr ive bay slots, c omponent side toward the righ t (rack) o r down (to wer). Se at the drive by applying light pressure with your thumb to the front of the drive.

Press the Drive Latching Clips until they “snap” into

place.

Replacing a Power Supply

Note: There is no need to power off the D EU or the computer system. The power supplies are hot swappable.

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1 Use the Oper ator Control Panel to identify the failed

power supply, refer to the illustr ation below to identify the components.

Select “Hardware Menu” from the Main Menu and choose “Co mponent Statu s.”

Power Supply #3

Power Supply #2

“DC Good” LED

Power Supply #1

2 Locate the failed componen t from the rear panel of

the DEU. The “DC Good” LED for the failed power supply will be OFF.

3 Loosen the r ear door panel access screw, using a

flat-blade scr ewdrive r. If you ar e replacin g the #3 powe r supply, loosen the

two PSU Cover Plate screw s. Remove th e cover plate and skip to step 4.

4 Open the panel to gain access to power supplies #1

and #2. The panel is hinged.

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Page 59

5 G rasp the han dle of the subje ct power su pply and

pull the supp ly out of the DEU cabinet.

6 Remove the new power supply from the shipping

carton an d inspect the shipment. Sav e the packag ing material.

7 Slide the new power supply into the cabinet until it

reaches its locked position. Orient the supply in the same manner as th e remove d power su pply. (Air slots in the PSU case face toward the center of the cabinet.)

The new power supply’s LED should illu minate.

8 Close the rear door panel. The door has a latch

mechanism to h old the door in the open po sition. Squeeze the latch to release the door allowing it to be closed.

If you ar e replacin g the #3 powe r supply, re-install the PSU Cover Plate and then re-secure the power cord retainer.

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Replacing the Cooling Fans

Note: There is no need to power off the DEU or th e computer system. The cooling fans are hot swappable.

Use the Operator Control Panel to identify the failed

fan, refer to the illustration below to iden tify the components.

Power Cable

Fan #2

Fan #1

Power Cable

Fan #1

Fan #2

Door Latch

Fan #1

Power Cable

Select “Hardware Menu” from the Main Menu and choose “Comp onent Status. ” You may n eed to scroll throug h the list with the arrow s buttons to locate the failed component.

Loosen the rear door panel access screw, using a

flat-blade scr ewdrive r. Open the panel to gain access to the fans. The panel

is hinged. Disconnect the fan’s power cable connector.

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5 Remove the failed fan by sliding it out from the door

assembly.

6 Remove the new cooling fan from the shipping carton

and inspec t the shipment. Save the pac kaging material.

7 With the fan gu ard facing toward the in side of the

cabinet, slide the new fan into its housing.

8 Reconnect the fan’s power cable connector. The

connector is keyed and will install only one direction.

9 Close the rear door panel. The door has a latch

mechanism to h old the door in the open po sition. Squeeze the latch to release the door allowing it to be closed.

10 Secure the door with the access panel screw.

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Replacing the DEU C abinet

Remove your new cabinet from the shipping carton

and inspec t the shipment. Save the pac kaging material.

Down your server and turn off the computer system.

Turn th e power off to the old DEU cabin et.

Note: Note the positio n of the data cable s, disk drives, and the jump ers on termin ation interf ace cards pr ior to disconne cting or r emoving th e items. To facilitate correc t installation, y ou may want to tag the cables appropriately. The drives should h ave a drive label located on the front of each drive un it.

Remove each drive noting its position and store them

in a safe location . Disconn ect the data an d power c ables from the old

subsystem. (Rack Mount Sy stems Only) Remove the DEU from

the rack assembly. (Single-Bus Modules Only) Remove the Single-Bus

configu ration module from the old c abinet and install it into the n ew cabinet.

(Rack Mount Sy stems Only) Install the new DEU

cabinet into th e rack assembly . If you have a third power supply unit installed in

the old cabin et, remove it an d install the PSU into the new c abinet.

Reconnect and secure the power cord and data

cables.

Install the driv es into the ne w cabinet in e xactly the

same order as th ey wer e in the old c abinet. Power ON the new DEU subsystem.

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Replacing a Fuse

12 Power ON the computer system or server.

Caution: Disconnect power before changing the fuse.

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

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, r eleasing the h older from its locked position.

3 Using the tip of your finger nail, ease the holder

away fro m the unit.

4 On ce removed, separate the fuse from the holder. 5 Replace the fuse with on e of identical type and

rating (250V 10A).

6 In sert the fu se into the ho lder.

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7 In sert the fu se holder in to the unit an d secure it.

Push in while turn ing clockwise one quarter tur n, locking it in to place. D o not over tighten.

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5 Troubleshooting

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

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.

Operator Control Panel display indicates “Hardware Error.”

Possible component failure. From the Operat or Contr ol Panel,

Verify that the power cord is pr oper ly connected to the power module.

If the DEU is plugged into a three-hole grounded outlet, verify if power t o t he 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 described earlier in this guide.

Replace power cord. If the DEU is not responding,

contact your service pr ovider.

“Hardware Menu” from t he M ain M enu and select “Component Status.” Scr oll down through the list to locate the f ailed component. Follow the procedures in the

Maintenance

failed component.

Replacing a Fuse

chapter to replace the

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

LED Status Reason Solution

Operator Control Panel display indicates cabinet temperature threshold has been

Power-on self-test failed. From the Operat or Cont r ol Panel,

“Hardware Menu” from the Main Menu and select “POST Results.” Scroll down through the list to locate t he f ailed component, see

Diagnostics

guide.

Cooling fan failure. From the Operat or Contr ol Panel,

“Hardware Menu” from the Main Menu and select “Component Status.” Scr oll down through the list to locate the f ailed

Power-O n Se lf

described earlier in this

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exceeded.

Temperature thr eshold too low.

component. Follow the procedures in the

Maintenance

failed component. Change the temperature t hreshold

value, see earlier in this guide..

chapter to replace the

Heat Threshold

described

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.

Cooling fan vent blocked.

Inadequate ventilation around the DEU.

SCSI data cable not properly connected.

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

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

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

Examine the cooling fan vents for blockage and clear.

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

Verify that the SCSI data cable is properly connected to the DEU SCSI-2 connector and to the controller car d.

Replace the disk drive and begin rebuilding the array, see

Disk Drive

guide. Replace the failed disk drive (Drive’s

Status LED blinking amber).

Insert a disk drive and begin an array rebuild, see described earlier in this guide.

described earlier in this

Replacing a Disk Drive

Replacing a

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

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

Assign the drive to an array, refer t o the

RAID Utilitie s Us er’s Guide

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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 DEU is in a non-fault tolerant mode.

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

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

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

Verify that the SCSI data cable is properly connected to the DEU SCSI-2 connector and to the controller car d.

Replace the disk drive and begin rebuilding the array, see

Disk Drive

guide. Replace the failed disk drive (Drive’s

Status LED blinking amber).

Insert a disk drive and begin an array rebuild, see described earlier in this guide.

Assign the drive to an array, refer t o the Ultra S2S RAI D Con troller User’s Guide.

described earlier in this

Replacing a Disk Drive

Replacing a

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A Certificate and Agency Information

FCC Radio Frequency Inter ference Statement

This equipment has been tested and found to comply with the limits f or a Class B digital dev ice, pur suant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interferenc e 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 television communic ations. Howeve r, there is no guar antee that the in terferen ce will not occu r in a particu lar installation. If th is equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the u ser is encouraged to try to cor rect the interference by one or more of the following measures:

Reorient or relocate the receivin g antenna

■

Increase the separation between the equipment an d

■

receiver. Connect the equipment to an outlet on a circuit

■

other than that to whic h the rec eiver is c onnected . Consult the dealer or an experienced radio/TV

■

technician for help.

The manuf acturer is not respon sible for any interference caused by unauthorized modifications to this equipment. It is the u ser’s responsibility to correct such inte rferen ce. You are also warn ed, that any changes to th is certified device w ill void your legal right to o perate it.

Caution: Drives and controller/adapter cards described in this manual shou ld only be installed in UL-listed and CSA certifie d computers th at give spec ific instructio ns on the installatio n and remov al of accessory cards (refer to your computer installation manual for proper instructions).

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Attention: Les lecteurs et cartes contrôleurs décrits ici ne doivent être montés que sur des ordinateurs homologués (UL et CSA) et livrés avec des manuels contenan t les instructio ns d’installation e t de retrait des accessoir es. Reporte z-vous au man uel d’installatio n de votre o rdinateur .

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Power Cord Selection

This subsystem is intended for indoor use only.

■

This subsystem is in tended to be p lugged in to a 6A

■

branch circuit in Europe. To select the proper power cord:

■

For 110 Volt Oper ation – Use a UL Listed/ CSA Labeled cord set c onsisting of a minimum 18 AWG, ty pe SVT or SJT three c onductor cord, ter minating in a mold ed connec tor body hav ing an IEC CEE-22 fe male configuration on one en d and a molded-on parallel blade grou nding ty pe attachment p lug rated 15A, 125V configu ration (5 - 15P) at the other en d.

For 230 Volt Oper ation (North America) – Use a UL Listed/CSA Labeled cord set co nsisting of a min imum 18 AWG, type SVT or SJT three conductor cord, terminating in a molded connector body having an IEC CEE-22 female conf iguration on one end and a molde don tandem blade ground ing type attac hment plug rated 15A, 250V config uration (6 - 15P) at the other end.

For 230 Volt Ope ration (Eur ope) – Use a cor d set marked “HAR”, consisting o f a H05VV-F cor d that has a minimum 0.75 squ are mm diameter c onductor s provided w ith an IEC 320 rec eptacle and a male plu g for the c ountry o f installation rated 6A, 250V.

Note: The subsy stem automatically selects the pr oper settings for the input voltage. Therefore, no additional adjustments ar e necessar y to conn ect the u nit to any input voltag e within th e range mar ked on the dr ive.

Das Laufwerk sollte nicht im Freien v erwendet

■

werden.

In Europa, sollte das Laufwerk an einen 6A-

■

Stromkreis angeschlossen werden.

Zur Wahl des korrekten Netzkabels beachten Sie

■

bitte folgend es:

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230V-Betrieb (Eur opa) – Verwen den Sie Netzkabel der Bezeichnung “HAR” die H05VV-F-Kabel und einen Leitungsdurchmesser von mindestens 0,75 mm2 aufweisen . Ver Wend en Sie eine IEC 320Buchse und einen für das Installationsland passenden Ste cker, de r auf 6A un d 250V gesicher t ist.

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B Glossary

The following terms are used throughout this manual and may be he lpful backgr ound info rmation on the technology.

Asynchronous Operations Operations that bear no relationship to each other in time and can

overlap. The concept of asynchronous I/ O oper ations is central to independent access arrays in throughput-intensive applications.

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

Cache are written to the tar get disk. This operation is necessary before powering down the system.

Channel Refers to one of the SCSI bus connector s on t he cont r ollers or

termination interface cards.

Consistency Check Refers to a process where the integrity of redundant dat a is verif ied.

For examp le, a consist en c y c he c k of a mirrored drive will m a k e s u r e that the data on both dr ives of t he m ir r or ed pair ar e exactly the same. For RAID level 3 and 5 redundancy, a c onsis t enc y c heck will inv olve reading all associated data blocks, computing parity, reading parity, and verifying that the comput ed par it y m at ches t he r ead par it y.

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

disk drive that received a request to perf or m a r elat ively long I/O operation) to release the SCSI bus so that the controller can send commands to other devices. W hen t he oper at ion is complet e and t he SCSI bus is needed by the disconnected target again, it is reconnected.

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 r un 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 t he sam e dr ive. Segment 1

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

Duplexing This refers to the use of two cont r ollers to dr ive a disk subsystem .

Should one of the controller s f ail, the other is still av ailable t o provide disk I/O. In addition, depending how the cont r oller sof t ware is writ t en, both controllers may work together to read and write data simultaneously to different drives.

Fault-Tolerant When something is fault-tolerant it is r esistant 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 mirror ed system fails.

Hot Spare The “Hot Spare” is one of the most important f eat ur es t he controller

provides to achieve automatic, non-stop service with a high degree of

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fault tolerance. This rebuild operation will be carr ied 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 t o the host environment, except when the ar r ay cont aining 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 environm ent by t he ar r ay management software.

Mirroring Refers to the 100% duplication of dat a on one disk drive t o anot her

disk drive. Each disk will be t he m ir r or image of the other.

Partition An array virt ual disk made up of logical disks rather t han physical

ones. Also called logical volume.

Physical Drive A physical array (or drive) is a collection of physical disks governed by

the RAID management software. A physical drive appears to t he host computer as one or mor e logical drives.

RAID (Redundant Array of Independent Disks) An approach t o using

multiple low cost drives as a group to improve performance, yet also provide a degree of redundancy that m akes dat a loss rem ot e.

RAID 0 Block “striping” is provided, yielding higher performance t han 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 str iped

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 m or e 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. RAID Controller This refers to the contr oller car d t hat r outes data to and/ or fr om t he

CPU. Disk array controllers perform all RAID algorithms onboard the

controller. Rebuild The regeneration of all data from a f ailed 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 dat a stored on the array

virtual disk. Rotated XOR Redundancy This term (also known as “parity”) r ef er s t o a m et hod of providing

complete data redundancy while requiring only a fraction of the

storage capacity for redundancy. I n a syst em configured under RAID

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Page 75

3 and 5, all data and parity blocks are divided between the drives in

such a way 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-O R” oper at or .) SAF-TE Is the acronym for SCSI Accessed Fault-Tolerant Enclosures. I t is a

monitoring and communication specification developed by Conner

(

Stor) and Intel for sending and receiving server and st or age syst em

status information via the SCSI bus. Session Refers to the period of time bet ween any t wo consecutive syst em

shutdowns. System shutdown may be either a power of f /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 addr es s (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) t o sever al megabyt es. Stripe Order The order in which SCSI Drives appear within a Physical Pack. This

order must be maintained, and is crit ic al t o t he c ont roller’s ability to

“Rebuild” failed drives. Stripe Width Refers to the number of kilobytes per st ripe block. Target ID A target ID is the SCSI ID of a device attached to the disk arr ay

controller. Each SCSI channel can have up to sixteen SCSI devices

(target ID fr om 0 to 15) attached to it.

Write-Through Cache Refers to a cache writing strat egy whereby dat a is writ t en t o t he SCSI

Drive before a completion status is ret urned to the host operating

system. This caching strategy is considered more “ secur e,” since a

power fa ilure will be less like ly to cause loss o f data. Ho wev e r, 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) r eceives t he dat a t o be writ t en. The

target SCSI Dr iv e will r e ceiv e that data at a mor e appropriate time, in

order to increase controller perf orm ance.

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Page 76

C Technical Information

Specifications

DEU

Operating Environment

Relative Humidity

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

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

Interface Transfer Rate Up to 40 MB/sec

Host Interface

40°F to 94°F (+5°C to +34°C)

50-60 Hz

6.0 Amperes 3 x 150 watts

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

Fast/Wide SCSI-3

Drive Interfac e HDD Terminat io n

Electromagnetic Emissions Requirements (EMI) FCC, Part 15, Class B

Safety Requirements UL1950

DEU (continued)

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

Operating 1.0 G, 2 - 50 ms

Fast/Wide SCSI-3 Automatic Termination

EN55022-B

CSA C22.2 #950 TUV/EN60950

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Page 77

Non-Operating 20.0 G, 2 - 20 ms Vibration

Operating Non-Operating

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

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Page 78

Connectors and Jumpers

This section p rovides info rmation about th e connec tor pinouts on the terminatio n interfac e card and ju mper settings on the backplane printed cir cuit board f or your DEU subsystem.

Connectors

Located on e ach termination interface card are two VDH SCSI connectors. They provide the in put/output interfac e from the su bsystem bus to the RAI D controller or host adapter card.

VHD/HD 68-pin SCSI

P-Cable Connector

Pin-out

134

35 68

Signal Name

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

Signal Name

+DB(5) 11 21 – DB(5) 45 22 +DB(6) 12 23 – DB(6) 46 24

Number

Pin Number

Conductor Number Signal Name

Pin Number

Conductor Number

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+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 – M SG 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

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Page 80

Jumpers

Caution: Jumper co nfiguratio n to be perfor med by qualified service per sonnel only.

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

Located on th e backplane pr inted circ uit board are six jumper blocks. From these jumpers system integrators can manually configure the DEU subsystem. To change the jumper setting, pu ll the jumper p lug off its pin (s) and carefu lly fit in dow n onto the pin (s) as indicated . This allows the u ser to make rev ersible chan ges to the circuitry on the printed circuit board.

The jumpe r settings ar e known as “open” or “unjumpered” and “jumpered.” When unjumpering the setting re move the jump er plug f rom both pins an d seat it over just one of the pins. This allows the jumper plug to be stored fo r later use.

JP3

JP2

JP4

J15

J17

JP5

JP3

JP2

JP4

JP5

J15

J17

S2S SCSI IDs

S2S CONFIG

SCSI IDs

FAN

OEM FAN

REMOTE DELAY

Rear View of Backp lane PCB

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Page 81

JP2 (SCSI-to-SCSI Configuration)

Caution:

qualified service personnel only.

Jumper confi guration t o be perform ed by

This jumper (JP2) is used to place the SCSI-to-SCSI RAID controller in a configuration that is known to the DEU subsystem. This proc ess is accomplishe d by adding jump ers to JP2. Th e jumper bloc k is a four position dual-r ow header .

S2S CONFIG

JP2

Jumper Positions SCSI-to-SCSI Settings

1 & 2 Reserved. 3 &4 Add this jumper to place the SCSI-to-SCSI cont r oller into

VT100 mode for the serial channel. Remove the jumper t o place the SCSI-to-SCSI controller into t he SLIP por t m ode.

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-to- SCSI cont r oller into t he 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 t he jum per t o place the SCSI-to-SCSI controller in a Slave mode.

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JP3 (SCSI-to-SCSI IDs)

Caution:

qualified service personnel only.

Jumper confi guration t o be perform ed by

These jumpers (JP3) are used to manually set the SCSITO-SCSI IDs f or the SCSI-t o-SCSI RAID con troller. 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 OFFONONON 14 ON OFF ON ON 13 OFF OFF ON ON 12

JP4 (SCSI ID Settings)

ON ON OFF ON 11 OFF ON OFF ON 10 ON OFF OFF ON 9 OFF OFF OFF ON 8 ON ON ON OFF 7 OFFONONOFF 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

Caution:

qualified service personnel only.

Jumper confi guration t o be perform ed by

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Page 83

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

SCSI IDs

JP4

Jumper Positions for Dri ves 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 OFFONONON0, 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 O FF ON 9, 10, 11, 12 ON ON O N OFF 10, 11, 12, 13 OFF ON ON OFF 12, 13, 14, 15

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Page 84

Jumper Positions for Dri ves 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 OFFONONON0, 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 O N 5, 6, 8, 9 ON OFF OFF O N 8, 9, 10, 11 OFF OFF OFF ON 9, 10, 11, 12 ON ON ON OFF 10, 11, 12, 13 OFF ON ON OFF 12, 13, 14, 15

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Page 85

JP5 (SCA Remote/Delay Start)

Caution:

qualified service personnel only.

Jumper confi guration t o be perform ed by

The spin-up of the drive slots is determined by adding jumpers to JP5. JP5 is a two position dual-row h eader. Position 1 & 2 con trol the “Delay ed_Start” signal an d position 3 & 4 con trol the “Remote_Star t” 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 aft er a delay of 12

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

OFF ON Motor spins up only on SCSI “start ”

commands.

OFF OFF M otor spins up at DC power on.

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Page 86

J15 (FAN) and J17 ( OEM FAN)

Caution:

qualified service personnel only.

There ar e two separate f an conn ectors that ar e located at J15 and J17. Fan c onnecto r J15 is used wh en a SAFTE card is present in the DEU. When the fan s are plugge d into J15, the SAF -TE card co ntrols and monitors fan speed.

Fan conn ector J17 is used in OEM application s when there is no SAF-TE card installed. Fan connector J17 supplies each fan with +12 v olts for full sp eed operation.

Jumper confi guration t o be perform ed by

J15

FAN

OEM FAN

J17

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Page 87

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Page 88

D Option Cards

Introduction

The Ultra Extender and Differential Converter Option cards provide a single solution allowing the extension of device connectivity and/or cable length of the SCSI bus for the DEU subsystems.

When the Ultra Extender card is used, the circuitry function s as a SCSI bus repeate r for multiple singleended to single-ended cabling schemes while being electrically isolated from each other. Wh en the Differential Converter card is used, the circuitry function s as a SCSI bus conv erter fo r differe ntial to single-ended cabling schemes again while being electric ally isolated fro m each other . As SCSI command and data passes fr om the sour ce bus to the load bus, signal filterin g and re- timing are employ ed to maintain the SCSI sign al.

The cards feature TolerANT® technology, wh ich includes ac tive negation on the SCSI dr ivers and in put signal filtering on the SCSI receiver s. Active negation causes the SCSI Request, Ackn owledge, Data, and Parity sign als to be actively driven hi gh rather than passively pulled up by terminators. The rec eiver technolo gy improv es data integrity in unreliable cabling environments, where other devices would be subject to data co rruption . The Toler ANT receive rs filter the SCSI bus signals to eliminate unwanted transitions w ithout long signal delays. T his improved driver and rec eiver helps eliminate double c locking of data, the larg est reliability issue w ith SCSI operation s.

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Page 89

Features

The following are major features of the Option Cards:

Dual Configurations — Both cards available in



single and dual channel models. High Speed Transfers — Asynchronous or



synch ronous d ata transfer r ates up to 40 MBs w ith Ultra Wide SCSI .

No Required SCSI ID — Does not consume a SCSI



ID on the SCSI bus. Fast-20 Support — Complete su pport for SCSI -3



(Fast-20) and bac kwards co mpatible with SCSI-2 standards.

Active Negation — Employs TolerANT active



negation technology. Electrical Isolation — Provides internal device



protection against exter nally gene rated noise on the SCSI bus.

Expanded Technology — Extends Ultr a SCSI



cable leng ths and the total n umber of Ultr a SCSI devices.

Independent Platform — Completely so ftware and



host system in dependent.

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Page 90

Quick Install

The following procedur es outline the steps necessary to setup you r DEU subsyste ms. These gu idelines are generally for those individuals who don’t like to read manuals.

Install the Disk Drives — O pen the front door of



each cabin et and insert th e disk driv es. Be sure each drive seats properly and the dr ive latches are secured.

Install the Option Ca rds — Install the correct



Option cards in the correct slot for your configuration.

Connect the Cables — Connect th e data and



jumper cable s. Refer to D EU Subsystems Installations later in this section for the su pported configurations under Single-ended Ultra SCSI or Differential SCSI.

Configure your system — Run your system



configu ration prog ram to setup th e drives, an d/or your RAID software configuration.

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Page 91

DEU Subsystem Installations

Setup

This section contains the procedures to install and configure the Ultra Extender and Differential Converter Option cards in your DEU disk array subsystems.

The installation is essentially a three step process: the cards are in stalled in the DEU su bsystem, the c abling is completed based on the suppo rted conf iguration , and the array is then configured.

Several rules w ill apply when cablin g and conf iguring multiple cabinets in a “master/slave” e nvironme nt.

The DEU subsy stem supports o ne “master”



subsystem and u p to two “slave” su bsystems interconnected.

No more than two Option c ards can be installe d on



one SCSI bus ( master/ slave e nviron ment). When DEU’s are op erated in split bus mo de (dual-



bus module installed), all driv es on one chann el from one c abinet must be c onnected to the same channel on the other cabinet. Channel 0 drives cannot be connected to Channel 1 drives in any configuration nor can the reverse condition exist.

When implementing an Ultra Wide SCSI



configu ration, c able lengths ar e limited to one (1) meter fro m the Ultra Exten der card to the next cabinet.

Single chan nel cards must be in stalled in the DEU



upper or right side Option card slots.

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Page 92

Cabling Configuration

Ultra Wide SCSI

The cabling co nfiguration is div ided into two subsections in this section, configurations pertaining to Single-ended Ultra Wide SCSI and those for Differential Ultra Wide SCSI. These two sections are divided into g roups desc ribing the cabinet/cablin g scheme and provide th e recommen ded cable and termination configurations when operating the DEU in a specific mode.

Cable length is a p rimary con sideration wh en config uring th e subsystems. T here are d ifferent limitations for Sin gle-ended Ultr a Wide SCSI (Fast-20) and Differen tial Ultra Wide SCSI.

Accordin g to SCSI-3 ANSI spec ifications (X 3T10/1071D) the total SCSI cable len gth for Sin gle-ende d Ultra Wide SCSI is 3 meters (118 inc hes) with f our SCSI dev ices distributed e venly ac ross the cable an d 1.5 meters (59 inches) w ith eight d rives distribu ted evenly across the cable with each SCSI device having a 25 pico farad load. By contro lling the SCSI device loading and impedance on the SCSI bu s, SCSI devic e spacing and cable leng ths can var y and be impr oved. In a standard configu ration, th e DEU is designed to accommodate a total of nine SCSI devices in a single cabinet (eight drives and one SAF-TE controller), all c onnected to a host contr oller using a 1 meter cable. T he DEU has an internal equivalent SCSI bus cable length of just under 1 meter giv ing an ove rall cable leng th of 2 meters (extern al 1 meter cable plus th e internal 1 mete r equivalent cable length).

The numbe r of SCSI devi ces and cable le ngths on th e SCSI bus can also be increased an d improved by adding SCSI buffers th at recond ition the SCSI sign als. With the optional Ultr a Extender c ard installed in th e DEU, SCSI signals are bu ffered an d recon ditioned allowin g the exter nal cable leng th to be incre ased to a maximum of 3 meters and still support nin e SCSI devices in a Single-ended Ultra SCSI environment. The Ultra Extender Feature car d also provides th e DEU with the ability to add a second c abinet on the same SCSI bus supportin g an additional six SCSI device s for a total of sixteen SCSI devices. The maximum number of SCSI devices su pported by this specificatio n on a single bus is sixteen SCSI device s.

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Page 93

Differenti al SCSI

Accord ing to SCSI-3 ANSI specificatio ns for Differential Ultra Wide SCSI, the total SCSI cable length is 25 me ters (984 inch es). The in ternal SCSI bus of the DEU is a Single-ended bus and therefore a conver sion is requir ed when in terfacing to an exter nal differential SCSI bu s.

The DEU supports Differential SCSI by using the Differential Converter Feature card. This card provides the terminatio n and driv ers nece ssary to inter face to a differen tial SCSI bus. The external c able length c an be up to a maximum o f 25 meters as descr ibed by the SCSI-3 ANSI speci fications.

A symptom of ex ceeding the cable limits is a SCSI bus lockup or “freeze.” If you ex perience a similar problem and are awar e of a cabling limit issu e, redu cing the length of cabling and r eturning the total leng th to within the specified limit sh ould resolve any problems.

If you h ave a cabling issu e and requir e more information , contact y our Serv ice Prov ider for fu rther assistance. Data loss is possible under conditions of

SCSI bus lockup.

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Page 94

Guidelines

Before installation, you will need to co nsider the following:

Identify wh ich DEU subsy stem will be the “master ”



subsystem and wh ich will be the “slave ” subsystem(s). The Diffe rential Conv erter and Ultra Extender cards install differently for each configuration.

Determine whic h mode the DEU will be con figured.



This includes the type of host controller (RAID Controller – single-ended or SCSI host adapter – differential). Also the number of controllers (adapters) that will be u sed in the host system.

Determine the n umber subsystems that will be u sed



per controller (adapter). Each section provides diagrams for the suppor ted config urations u sing the minimum number of controller channels. Maximizing the chan nels per subsy stem may be accomplished by mixing supported configuration with available c hannels.

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Page 95

Installation Precautions

Please observe the following cautions and notes prior to and durin g installation:

Printed ci rcuit board c omponents ar e sensitive to



electrostatic discharge . To preve nt operating failure or damage, observe th e following : Establish a ground for yourself by using the wrist grounding strap, or by touchin g the metal c hassis prior to handling or installing the prin ted circuit board components.

Exercise care when handling any electrical



component. Do not ov ertighten the thumb sc rews on th e feature



cards and cable connectors. Secure them to finger tight only .

Interfac e and featur e cards are keyed and w ill



install only one way .

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Page 96

Single-Ended Ultra Wide SCSI

Prior to beg inning th e cabling, identify the configuration for your installation. Note the card locations in the illustr ations for each c onfigur ation. Install your cards and c onnec t the cables based on the procedures and diagrams shown. The diagrams depict the conf iguration u sing the minimu m number of controller channels.

Channel 0

Channel 1

Ultra Extender Card

Two Single-Bus Cabinets

With this config uration, y ou will have up to fourteen (14) disk drives per controller channel. Due to the fourteen drives per channel limitation , two disk dr ive slots will not be available.

If you are using multiple controllers you can expand your capacity by using up to four controllers per CPU system. Refer to “Default Con figuration s” later in this section for information on special SCSI ID settings.

Power of f your c omputer sy stem or wor kstation. Be sure to c omplete the “Setu p” and “Compone nt

Installation” sectio ns described e arlier in this G uide. The DEU ships from the factory with I/O Interfac e cards installed in both card slots. Therefore durin g the installation, you may be r equired to r emove one or both I/ O Interfac e cards.

Identify the subsy stem which will be th e master cabinet. Loosen the two thumb screws and remove the I/O In terface c ard installed in the upper or r ight side card slot o f the master cabin et.

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Page 97

Ultra Extender Option Card

Slave Cabinet

I/O Interface Card

4 Install a single channel Ultra Extender Feature card

in the upper or right side card slot where the I/O Interfac e card was r emoved and tighten the thumb screws.

5 Rep eat steps 3 and 4 for the slave #1 cabin et (second

subsystem).

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Page 98

TOP Master

Chl #0 Chl #1

1-CH Ultra Extender Card

SAF-TE Card SAF-TE Card

1-CH Ultra

Extender Card

TOP Slave #1

Chl #0 Chl #1

Ultra Wide SCSI Controller

Host Computer #1

Chl #1

Ultra Wide SCSI Data Cable (3 meters)

Chl #0 Chl #1

6 Con nect one end of a 3 meter data cable to the

Channel #1 connector on the RAID Controller.

7 Con nect the o ther end o f the data cable to th e

Channel 1 connector on the upper or right side single channel Ultra Extender Option card installed in the master c abinet.

8 Con nect one end of a 1 meter jumper cable to the

Channel 0 connector on the lower or left side I/O Interfac e card in th e master cabine t.

9 Con nect the o ther end o f the 1 meter ju mper cable to

the Channel 1 connector on the u pper or right side single channel Ultra Extender Option card installed in the Slave #1 c abinet.

Single-Bus Module

I/O Interface Card

1 meter Ultra Wide SCSI Jumper

Single-Bus Module

Chl #0 Chl #1

Available Drive Unavailable Drive

Note: SCSI terminatio n is automatic and requires n o user configuration.

10 Power on the DEU subsy stems. After th e power-o n

self-test has co mpleted, HDD Status and Chan nel Mode LEDs will be solid green .

11 Access th e Options men u on the O perator Con trol

Panel and choose the SAFTE CHAIN ID selection. Set the cabine t identities of the master and slave subsystems. Ref er to “SAFTE CHAIN ID ” described earlier in this G uide.

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Page 99

Two Dual-Bus Cabinets

12 After settin g the cabin et identificatio ns you must

power c ycle the subsystems. O bserve n ormal power cycling precautio ns by waiting a minimum of fiv e seconds before adding power again.

This will reset the SCSI ID s to a default setting that prevents a SCSI ID conflict under normal conditions, refer to “D efault Config urations” later in this section.

13 Power up your computer system and run the

configu ration prog ram.

This complete s the setup and configu ration.

With this config uration you will have up to eig ht (8) disk drives per controller channels. If you are using multiple RAID Controllers you can further expand your capacity by using up to four controllers per CPU system.

1 Po wer off y our comp uter system o r workstation . 2 Be su re to comple te the “Setup” an d “Component

Installation” sectio ns described e arlier in this G uide. The DEU ships from the factory with I/O Interfac e cards installed in both card slots. Therefore durin g installation, y ou may be requ ired to remov e one or both I/O I nterface c ards.

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Page 100

3 Iden tify the subsystem wh ich will be the master

cabinet. Loosen the two thumb screws and remove the I/O In terface c ard installed in the upper or r ight side card slot o f the master cabin et.

Ultra Extender Option Card

Master Cabinet

I/O Interface Card

4 In stall a two-chan nel Ultra Exten der Feature card

into the upper or right side card slot where the I/O Interfac e card was r emoved and tighten the thumb screws.

5 O n the subsystem that w ill be the slave #1 cabinet,

remove th e I/O Inter face card by loosening the two thumb scre ws and remov ing the car d located in th e lower or left side card slot.

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PackardBell 5800, ST8000 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Copyright © 1998 Packard Bell NEC, Inc.

Trademarks

PN: 102157 3/98

1 Introduction

Welcome

Features

Where to Find Answers

Front Panel Com ponents

Operator Control Panel

Power-On LED

Status Indicator LEDs

Channel Mode

Power Supply Status

Fan Status

Alarm Speaker

Door Lock

Status LEDs

Activity LEDs

Rear Panel Com ponents

I/O Interface Card

Power Cord Connector and Fuse

Internal Components

Power Switch

Fault LEDs

SAF-TE Card

Hot Swappable Cooling Fans

Hot Swappable Power Supplies

2 Installation

Setup

Component Installation

Cabling Configur ation

Dual-Bus Cabinet

Single-Bus Cabinet

Other Configurations

3 Using the DEU

Power-On Sel f Diagnostics

RAM Checksum Failure

Operator Contr ol Panel

System Status Icon

Component Status

Configuration Info

Internal Temp

Options Menu

SCSI ID Men u

SAFTE CHAIN ID

Unlock Options

Replacing a Disk Drive

Replacing a Fuse

FCC Radio Frequency Inter ference Statement

Specifications

Connectors

Introduction

Quick Install

Setup