Compaq SW TL881 DLT Mini-Lib/1, STORAGEWORKS TL881 MINILIBRARY, STORAGEWORKS TL891 MINILIBRARY User Manual

TL881/TL891 Family MiniLibrary
System Drive

Upgrade Procedure

Second Edition (July 2000)
Part Number 127511-002
Compaq Computer Corporation

Notice

© 2000 Compaq Computer Corporation.

Compaq, the Compaq logo, and StorageWorks Registered in U. S. Patent and Trademark Office.

All other product names mentioned herein may be trademarks or registered trademarks of their
respective companies.

Compaq shall not be liable for technical or editorial errors or omissions contained herein. The
information in this document is subject to change without notice.

The information in this publication is subject to change without notice and is provided “AS IS”
WITHOUT WARRANTY OF ANY KIND. THE ENTIRE RISK ARISING OUT OF THE USE OF
THIS INFORMATION REMAINS WITH RECIPIENT. IN NO EVENT SHALL COMPAQ BE
LIABLE FOR ANY DIRECT, CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE OR
OTHER DAMAGES WHATSOEVER (INCLUDING WITHOUT LIMITATION, DAMAGES FOR
LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION OR LOSS OF BUSINESS
INFORMATION), EVEN IF COMPAQ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. THE FOREGOING SHALL APPLY REGARDLESS OF THE NEGLIGENCE OR
OTHER FAULT OF EITHER PARTY AND REGARDLESS OF WHETHER SUCH LIABILITY
SOUNDS IN CONTRACT, NEGLIGENCE, TORT, OR ANY OTHER THEORY OF LEGAL
LIABILITY, AND NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF ANY
LIMITED REMEDY.

The limited warranties for Compaq products are exclusively set forth in the documentation
accompanying such products. Nothing herein should be construed as constituting a further or additional
warranty.

Printed in the U.S.A.

Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure
Second Edition (July 2000)
Part Number 127511-002

Contents

About This Guide

Text Conventions.........................................................................................................v

Symbols in Text..........................................................................................................vi

Symbols on Equipment...............................................................................................vi

Getting Help ..............................................................................................................vii

Compaq Technical Support ................................................................................vii

Compaq Website .............................................................................................. viii

Compaq Authorized Reseller............................................................................ viii

Adding a Second Drive

Introduction .................................................................................................................1

Parts Location ..............................................................................................................2

General Procedure .......................................................................................................3

Removing and Replacing the Skin Cover (Desktop Models Only)......................4

Removing and Replacing the Cover Plate............................................................5

Removing and Replacing the Drive Caddy Assembly .........................................6

Installing the Second Tape Drive .........................................................................9

iv Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

List of Figures

Figure 1. Parts location .............................................................................................. 2

Figure 2. Removing the skin cover ............................................................................ 4

Figure 3. Removing the cover plate........................................................................... 6

Figure 4. Drive caddy ................................................................................................ 7

List of Tables

Table 1 Parts Location ................................................................................................ 2

This guide is designed to be used as step-by-step instructions for upgrading
and as a reference for future upgrades.

Text Conventions

This document uses the following conventions to distinguish elements of text:

About This Guide

Keys

USER INPUT

FILENAMES

Menu Options,
Command Names,
Dialog Box Names

COMMANDS,
DIRECTORY NAMES,
and DRIVE NAMES

Type When you are instructed to

Enter When you are instructed to

Keys appear in boldface. A plus sign (+) between
two keys indicates that they should be pressed
simultaneously.

User input appears in a different typeface and in
uppercase.

File names appear in uppercase italics.

These elements appear in initial capital letters.

These elements appear in uppercase.

the information

the information and then press the

without

pressing the

information, type

type

Enter

information, type

enter

Enter

key.

key.

vi Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

Symbols in Text

These symbols may be found in the text of this guide. They have the following
meanings.

WARNING:

in the warning could result in bodily harm or loss of life.

CAUTION:

could result in damage to equipment or loss of information.

IMPORTANT:

instructions.

Text set off in this manner presents commentary, sidelights, or interesting points

NOTE:

of information.

Text set off in this manner indicates that failure to follow directions

Text set off in this manner presents clarifying information or specific

Symbols on Equipment

These icons may be located on equipment in areas where hazardous conditions
may exist.

Any surface or area of the equipment marked with these symbols
indicates the presence of electrical shock hazards. Enclosed area
contains no operator serviceable parts.

WARNING:

do not open this enclosure.

Text set off in this manner indicates that failure to follow directions

To reduce the risk of injury from electrical shock hazards,

Any RJ-45 receptacle marked with these symbols indicates a Network
Interface Connection.

WARNING:

the equipment, do not plug telephone or telecommunications
connectors into this receptacle.

To reduce the risk of electrical shock, fire, or damage to

About This Guide vii

Any surface or area of the equipment marked with these symbols
indicates the presence of a hot surface or hot component. If this
surface is contacted, the potential for injury exists.

WARNING:

the surface to cool before touching.

To reduce the risk of injury from a hot component, allow

Power Supplies or Systems marked with these symbols
indicate the equipment is supplied by multiple sources of
power.

Getting Help

If you have a problem and have exhausted the information in this guide, you
can get further information and other help in the following locations.

Compaq Technical Support

You are entitled to free hardware technical telephone support for your product
for as long you own the product. A technical support specialist will help you
diagnose the problem or guide you to the next step in the warranty process.

WARNING:

remove all power cords to completely disconnect power from
the system.

Any product or assembly marked with these symbols indicates that
the component exceeds the recommended weight for one individual
to handle safely.

WARNING:

equipment, observe local occupational health and safety
requirements and guidelines for manual material handling.

To reduce the risk of injury from electrical shock,

To reduce the risk of personal injury or damage to the

viii Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

In North America, call the Compaq Technical Phone Support Center at
1-800-OK-COMPAQ

Outside North America, call the nearest Compaq Technical Support Phone
Center. Telephone numbers for world wide Technical Support Centers are
listed on the Compaq website. Access the Compaq website at

http://www.compaq.com

Be sure to have the following information available before you call Compaq:

Technical support registration number (if applicable)

■

Product serial number (s)

■

Product model name(s) and numbers(s)

■

Applicable error messages

■

Add-on boards or hardware

■

Third-party hardware or software

■

Operating system type and revision level

■

Detailed, specific questions

■

Compaq Website

The Compaq website has information on this product as well as the latest
drivers and Flash ROM images. You can access the Compaq website at

http://www.compaq.com

1

. This service is available 24 hours a day, 7 days a week.

.

.

Compaq Authorized Reseller

For the name of your nearest Compaq Authorized Reseller:

In the United States, call 1-800-345-1518.

■

In Canada, call 1-800-263-5868.

■

Elsewhere, see the Compaq website for locations and telephone

■

numbers.

1

For continuous quality improvement, calls may be recorded or monitored.

Introduction

Adding a Second Drive

This guide explains how to add a second tape drive to the Compaq

StorageWorks TL881/TL891 Family MiniLibrary System

IMPORTANT:

must have Loctite 222 applied when parts are reassembled in the field. If you ignore this
step, you might cause premature failure of the mechanism.

All screws that do not use lock washers, captive washers, or lock nuts

TM

.

Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

2

Parts Location

Figure 1 shows the location of most of the field-replaceable parts.

5

4

3

2

1

9

14

13

12

11

10

Figure 1. Parts location

6

7

8

SHR-1719

Table 1

Parts Location

Figure Legend Description

1

Magazine door

2

3

4

5

6

7

8

9

Door opener/magazine lock

Shuttle cable

Shuttle

Shuttle motor

Drive caddy assembly

Fan

Power supply

Controller PWB

continued

Table 1
Parts Location

Figure Legend Description

continued

Adding a Second Drive

3

:

;

<

=

>

General Procedure

NOTE:

If the Base Module is part of an expanded TL881/TL891 Family MiniLibrary

System, refer to the

System Maintenance and Service Guide

from the MiniLibrary system.

To add a second drive to the Base Module:

1. Remove the skin cover, if present.

2. Remove the cover plate.

3. Remove the drive caddy assembly.

4. Install the new drive.

AC power switch

Control panel

Unlock/Open

indicator

Magazine security lock

Leadscrew

Compaq StorageWorks TL881/TL890/TL891 Family MiniLibrary

button and locked

for information on removing the Base Module

5. Replace the drive caddy assembly.

6. Replace the cover plate.

7. Replace the skin cover.

Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

4

Removing and Replacing the Skin Cover (Desktop Models Only)

The skin cover is held in place by two screws on each side of the Base Module
(Figure 2).

Figure 2. Removing the skin cover

Removing

To remove the skin cover from the Base Module:

1. Remove the two screws on each side of the Base Module.

2. Grasp the cover at the lower edge of each side and then lift it straight up.

There are two notches on each side of the cover to help clear the
mounting brackets.

SHR-1720

Replacing

To replace the skin cover on the Base Module:

1. Slide the skin cover over the module until it touches the front panel.

2. Insert the four screws (2 each side) through the skin cover into the Base

Module. Do not tighten the screws yet.

3. Position the front edge of the skin cover so that it is flush against the

back of the front panel.

4. Tighten the four screws (2 each side) into the Base Module.

Removing and Replacing the Cover Plate

Removing

To remove the cover plate from the Base Module:

1. If the Base Module is a desktop model, remove the skin cover as

described in “Removing and Replacing the Skin Cover (Desktop Models
Only).”

Adding a Second Drive

5

2. Disconnect the power and interface cables at the rear of the module.

3. Unscrew the captive screw in the center of the cover plate (Figure 3).

4. Slide the cover plate one-half inch toward the rear of the module.

5. Lift the cover plate off the Base Module.

Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

6

Replacing

To replace the cover plate on the Base Module:

1. Place the cover plate on the Base Module so that it overhangs one-half

inch at the rear of the module (Figure 3).

2. Slide the cover plate toward the front of the Base Module until the cover

plate touches the front panel.

3. Tighten the captive screw in the center of the cover plate.

4. Connect the power and interface cables at the rear of the module.

5. If the Base Module is a desktop model, replace the skin cover as

described in “Removing and Replacing the Skin Cover (Desktop Models
Only).”

Figure 3. Removing the cover plate

Removing and Replacing the Drive Caddy Assembly

The drive caddy assembly is an enclosure that holds one or two DLT drives
and the interconnecting cables. The assembly includes the SCSI interface
connectors and cables for the Base Module, the power cables for the drives,
and communication cables from the drives to the controller PWB.

SHR-1721

Adding a Second Drive

Removing

To remove the drive caddy assembly from the Base Module:

1. Remove the cover plate as described in “Removing and Replacing the

Cover Plate.”

2. Disconnect the SCSI cable connectors ( 1 Figure 4) from the controller

SCSI extension cable.

7

5

7

4

7

2

1

5

3

6

4

Figure 4. Drive caddy

SHR-1722

Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

8

3. Disconnect the drive power Y cable 2 from the power supply

connector.

4. Disconnect the drive 1 RS-422 cable 3 from the controller PWB end.

5. Remove two M4 x 8 mm flat-head screws 4 from along the upper edge

of the drive caddy assembly.

6. Remove two M4 extension screws 5 from the top of the drive caddy

assembly.

CAUTION:

assembly out of the Base Module in the next step. To prevent this, steady the
caddy so it cannot rock forward as it clears the platform when you’re lifting it
up, and do not allow the door levers to touch the strut across the top of the Base
Module.

Be careful not to break the door levers when you lift the drive caddy

7. Grasp the handle on top and lift the drive caddy assembly out of the

Base Module carefully. Make sure you tilt the rear end of the caddy as it
is being removed so the door levers don’t bump against the chassis
crossbrace.

CAUTION:

Place the drive caddy so that the levers are facing up or on their sides.

Do not place the drive caddy assembly with the levers facing down.

8. Set the drive caddy assembly on the work surface and install the second

tape drive as described in “Installing the Second Tape Drive.”

Replacing

To replace the drive caddy assembly in the Base Module:

CAUTION:

lower it by the handle so it cannot rock forward as it approaches the platform,
and do not allow the door levers to touch the strut across the top of the chassis.

1. Grasp the drive caddy assembly by the handle, tilt the front end down at

a slight angle, and then lower it into position in the Base Module. Orient
it as shown in Figure 4.

To prevent breaking of the door levers, steady the assembly as you

2. Replace the two M4 extension screws 5 at the top of the assembly.

3. Coat the threads of the two M4 x 8 mm flat-head Phillips screws 4 with

Loctite 222, and replace them on the upper edge of the drive caddy
assembly.

4. Connect the drive 0 and drive 1 RS-422 cables 3 to the controller PWB.

5. Connect the drive power cable 2 to the power supply connector.

6. Connect the SCSI cable connectors 1 to the controller SCSI extension

cable.

7. Replace the cover plate as described in “Removing and Replacing the

Cover Plate.”

Installing the Second Tape Drive

To install the second tape drive:

1. Remove the four 6-32 sems pan-head Phillips screws 7 that hold the

blank panel in place in the drive caddy assembly; there are two on the
top of the assembly (Figure 4) and two on the bottom of the assembly.

2. Slide the blank panel out of the drive caddy assembly.

3. Disconnect the RS-422 cable that is located toward the front on the top

of the drive. Lift the cable clear of the cable clamps and set it aside.

4. Install the door lever on the flattened shaft at the bottom of the drive.

Adding a Second Drive

9

5. Slide the drive 6 into the drive caddy assembly. Position the drive so

the threaded holes in the top and bottom of the drive are aligned with the
screw holes.

6. Install the four 6-32 sems pan-head Phillips screws that were removed in

Step 1.

7. Connect the unused connector on the power Y-cable to the drive just

installed.

Compaq StorageWorks TL881/TL891 Family MiniLibrary System Drive Upgrade Procedure

10

8. Connect the unused connector on the SCSI cable to the drive just

installed.

9. Install the RS-422 cable supplied with the kit, sliding it under the

clamps so that the connector is adjacent to the connector on top of the
new drive.

10. Install the RS-422 cable removed in step 3 over the top of the new

RS-422 cable so that the connector is adjacent to the connector on top of
the original drive.

11. Connect the RS-422 cables to the connectors on the top of the drives,

through the holes in the top of the drive caddy assembly.

12. Replace the drive caddy assembly as described in “Removing and

Replacing the Drive Caddy Assembly.”