IBM 20/40GB 4MM Guide

20/40GB 4MM Internal Tape Drive
Installation and Using Guide
SA23-1233-01

Second Edition (April 2001)
Before using this information and the product it supports, read the information in “Safety Information” on page v and
“Appendix B. Notices” on page 29.
©International Business Machines Corporation 2000, 2001. All rights reserved.
Note to U.S. Government Users Restricted Rights--Use, duplication or disclosure restricted by GSA ADP Schedule
Contract with IBM Corp.
Note
Before you install this product and use this information, be sure to read the product warranties and
notices information included with the system unit into which you are installing the product.

Contents
Safety Information.......................v
Handling Static-Sensitive Devices.................vii
About This Book .......................ix
ISO 9000 ..........................ix
Related Publications ......................ix
Trademarks .........................ix
Chapter 1. Overview ......................1
Tape Drive Environment and Use ..................2
Media Grades .......................2
Tape Handling and Storage ...................2
Environmental Issues .....................2
Tape Drive Cleaning.....................3
SCSI Hardware Issues ....................3
Microcode Updates......................3
Summary .........................3
Front View of the 20/40GB 4MM Internal Tape Drive............4
Cleaning the Tape Drive .....................4
SCSI Hardware Issues .....................4
Chapter 2. Preparing to Install the 20/40GB 4MM Internal Tape Drive .....5
Verifying Your Software Requirements ................5
Checking Prerequisites .....................5
Needed Tools and Documentation .................5
Planning Your SCSI Device Layout .................5
Determining Your SCSI Address ..................6
Chapter 3. Installing the 20/40GB 4MM Internal Tape Drive ........9
Handling Recommendations ....................9
Setting the SCSI Address.....................9
Jumper Pin Positions on the 20/40GB 4MM Internal Tape Drive .......10
Installing and Connecting the Tape Drive ...............11
Configuring the 20/40GB 4MM Internal Tape Drive ............11
Verifying the Installation .....................12
Updating Microcode Levels....................12
Chapter 4. Using the 20/40GB 4MM Internal Tape Drive .........13
Operator Controls .......................13
Unload Button .......................13
Indicator Lights........................14
Status Lights .......................14
Loading and Unloading a Tape Cartridge ...............16
Loading a Tape Cartridge ...................16
Unloading a Tape Cartridge ..................16
Emergency Eject Feature ...................17
iii

Cleaning the Tape Drive.....................17
Chapter 5. Using the Media ...................19
Types of Tape Cartridges ....................19
Recommendations for Data Cartridge Usage ..............20
Prolonging Head Life......................20
Data Cartridge Erasure .....................21
Storage and Shipping Environments.................21
Tape Cartridge Storage ....................21
Operating in Harsh Environments..................22
Setting the Write-Protect Switch ..................22
Ordering Tape Cartridges ....................23
Appendix A. Communications Statements ..............25
Federal Communications Commission (FCC) Statement ..........25
European Union (EU) Statement ..................26
International Electrotechnical Commission (IEC) Statement .........26
United Kingdom Telecommunications Safety Requirements .........26
Avis de conformité aux normes du ministère des Communications du Canada. . . 26
Canadian Department of Communications Compliance Statement .......26
VCCI Statement .......................27
Radio Protection for Germany ...................27
Appendix B. Notices .....................29
Reader’s Comments — We’d Like to Hear From You ..........31
iv 20/40GB 4MM Internal Tape Drive: Installation and Using Guide

Safety Information
DANGER
An electrical outlet that is not correctly wired could place hazardous voltage
on metal parts of the system or the devices that attach to the system. It is the
responsibility of the customer to ensure that the outlet is correctly wired and
grounded to prevent an electrical shock.
Before installing or removing signal cables, ensure that the power cables for
the system unit and all attached devices are unplugged.
When adding or removing any additional devices to or from the system,
ensure that the power cables for those devices are unplugged before the
signal cables are connected. If possible, disconnect all power cables from the
existing system before you add a device.
Use one hand, when possible, to connect or disconnect signal cables to
prevent a possible shock from touching two surfaces with different electrical
potentials.
During an electrical storm, do not connect cables for display stations, printers,
telephones, or station protectors for communication lines.
v

vi 20/40GB 4MM Internal Tape Drive: Installation and Using Guide

Handling Static-Sensitive Devices
Attention: Static electricity can damage the device and your system unit. To avoid
damage, keep this device in its anti-static protective bag until you are ready to install it.
To reduce the possibility of electrostatic discharge, follow the precautions listed below:
vLimit your movement. Movement can cause static electricity to build up around you.
vHandle the device carefully, holding it by its edges or its frame.
vDo not touch solder joints, pins, or exposed printed circuitry.
vDo not leave the device where others can handle and possibly damage the device.
vWhile the tape drive is still in its anti-static package, touch it to an unpainted metal
part of the system unit for at least two seconds. (This drains static electricity from the
package and from your body.)
vRemove the device from its package and install it directly into your system unit
without setting it down. If it is necessary to set the device down, place it on its
static-protective package. (If your device is an adapter, place it component-side up.)
Do not place the device on your system unit cover or on a metal table.
vTake additional care when handling devices during cold weather, as heating reduces
indoor humidity and increases static electricity.
vii

viii 20/40GB 4MM Internal Tape Drive: Installation and Using Guide

About This Book
This book provides information about the 20/40GB 4MM Internal Tape Drive, and how
to plan your SCSI device layout, set the SCSI address, install the tape drive, and use
the tape drive. Use this book along with your specific system unit and operating system
documentation.
ISO 9000
ISO 9000 registered quality systems were used in the development and manufacturing
of this product.
Related Publications
The following publications contain related information:
vSystem unit documentation for information specific to your hardware configuration
vAIX operating system documentation for information specific to your software
configuration
The AIX documentation library is available at the following Web address:
http://www-1.ibm.com/servers/aix/library/. Select Technical Publications. Aix
documentation is also contained on the AIX Documentation CD which was shipped
with your AIX operating system . The documentation is made accessible by loading
the documentation CD onto the hard disk or by mounting the CD into a CD-ROM
compatible drive.
Trademarks
The following term is a trademark of International Business Machines Corporation in the
United States, other countries, or both:
vAIX
Other company, product, and service names may be trademarks or service marks of
others.
ix

x20/40GB 4MM Internal Tape Drive: Installation and Using Guide

Chapter 1. Overview
The 20/40GB 4MM Internal Tape Drive is an internal streaming tape drive that provides
medium to high-capacity backup and archival capability, as well as a high data-transfer
rate. The 20/40GB 4MM Internal Tape Drive uses wide bus (16-bit) architecture.
Communications on the SCSI bus can be either asynchronous or synchronous. The
20/40GB 4MM Internal Tape Drive is compatible with existing 4.0GB, and 12.0GB 4mm
tape cartridges. The 20/40GB 4MM Internal Tape Drive can be used as a boot device.
The tape drive is used primarily for:
vSaving and restoring system data files
vArchiving important records
vDistributing operating system software upgrades
The drive conforms to the American National Standards Institute (ANSI) SCSI-2
standard. You can attach the drive to any system that uses a single-ended
interface/LVD that meets SCSI-2 Standard ANSI X3.131-1994.Rev 10h.
The 20/40GB 4MM Internal Tape Drive features include:
vUse of 20/40GB 4mm data cartridges
vData rate of 3.0MB/second
vCapacity of 20GB
vCompression capability, which effectively doubles the native capacity of 20GB and
the effective data rate. The actual capacity per cartridge varies depending on the
application and the type of data cartridge being used. The default is compressed.
Use SMIT to change the default.
Note: The factory default setting is
Activated . Data compression is usually controlled
by the application software.
vA half-high 5.25-inch form-factor
vStatus lights that indicate:
– When it is time to clean the tape drive
– When the tape is in motion
– When the drive is ready to accept tape motion commands
1

Tape Drive Environment and Use
Tape drives require specific maintenance and environmental conditions to operate well
over time. Using high quality, data grade media, handling and storing this media
properly, operating the tape drive in a clean environment and keeping the tape drive
properly cleaned can help you to avoid problems with your tape drive.
Media GradesThere are two different grades of media that could be used with your 20/40GB 4MM
Internal Tape Drive:
vTape containing Program Transmittal Fixes (PTF) - PTFs are tapes designed to be
written to only once and read from a few times. PTF tapes are not designed to be
used as a backup medium.
vStorage tapes - Storage tapes are designed to be used for backing up files which
may be reused numerous times and also for long term storage.
Note: Your system supplier may only support the media they sell. If the
representative’s analysis indicates that your problem is caused by inferior media
usage, it is your (the customer’s) responsibility to replace the inferior media.
Tape Handling and Storage
Most tape is supplied in a sealed cartridge. It is provided this way so that the tape will
remain in a clean environment. Opening the cartridge allows dirt and airborne particles
to enter and then become a source of contamination. The cartridge should only be
opened by the tape drive and not an operator. The tape also is held under proper
tension inside the cartridge. If the cartridge is dropped, this tension will be relaxed.
Inserting a dropped cartridge into a tape drive can cause incorrect loading and result in
a jam. This will ruin the tape and can cause physical damage if the cartridge is not
removed properly.
When the tapes are stored, they must be replaced in their protective containers and
stored on their end. The storage area must be clean, dry, normal room temperature and
away from any magnetic fields.
Environmental Issues
Tape drives are designed to operate in a clean environment. Problem factors are dirt,
dust, fibers and airborne particles. Airborne particles are the most difficult to address.
When a tape is installed into the tape drive, the clearance between the heads and the
tape is measured in microns. Particles can damage the tape or the head if they come in
contact with either. Your service representative offers a tape drive filter enclosure for
some systems to solve this problem. The enclosure draws air in through a filter and
supplies the tape drive with clean air. Customers are responsible to provide a clean
operating environment for the tape drive and system.
220/40GB 4MM Internal Tape Drive: Installation and Using Guide

Tape Drive Cleaning
No matter how clean the environment, debris may build up on the heads of any tape
drive. Every time tape motion occurs, some of the media surface comes off on the
heads. Over time, this builds up and causes errors in reading and writing. Customers
are responsible to clean the tape drive in accordance with the cleaning information
provided with the tape drive.
Note: Your system supplier may only support the use of their own cleaning cartridges.
Contact your system supplier for quality cleaning cartridges that are specifically
designed for the 20/40GB 4MM Internal Tape Drive.
Cleaning cartridges can be used a limited number of times. Once a cleaning cartridge
has been used to its maximum number of times, the cartridge is considered expired.
When cartridges expire, they must be replaced. Never reuse an expired cleaning
cartridge. Doing so allows previously removed dirt to be reintroduced to the tape drive.
Place a mark on the cleaning cartridge after each use, to best determine when your
cleaning cartridge has expired.
SCSI Hardware Issues
SCSI bus cables and terminators may affect tape drive performance. Use cables and
terminators that are designed specifically to keep the SCSI bus as free of noise as
possible. Generic cables or terminators may adversely affect the SCSI bus
performance. If your service representative’s analysis indicates a problem with inferior
cables, it may be necessary for the customer to replace them.
Microcode Updates
Your system supplier constantly works to provide the best possible tape drive products.
To make certain that the tape drives work their very best, your system supplier may
release changed microcode for the tape drives. When a microcode change is
developed, your system supplier makes the change available to you through its service
organization or by electronic delivery.
Microcode changes are available from service web sites. For more information about
supporting web sites, contact your local service representative.
Microcode can be installed by your service representative or your system administrator.
Summary Your tape drive must be installed in the cleanest possible environment. Your 20/40GB
4MM Internal Tape Drive requires high quality, data grade tapes and cleaning on a
regular basis. Media must also be stored and handled properly. Improper use, storage
or handling of tape drives or media may void your warranty or service agreement.
If a tape drive stops functioning due to a component failure during the tape drive
warranty or maintenance time, the service provider will replace the tape drive unit. The
service provider will replace any defective tape drive under the terms and conditions of
its warranty or service agreement. It is the service provider’s objective to work with you
to identify the cause of any tape drive problem and provide a solution.
Chapter 1. Overview 3

Front View of the 20/40GB 4MM Internal Tape Drive
3
4
56
1
2
1Tape Drive Door
2Status lights
3Ready (green)
4Tape Motion (green)
5Disturbance (amber)
6Unload/Reset button
Cleaning the Tape Drive
No matter how clean the environment, debris can build up on the heads of any tape
drive. Every time tape motion occurs, some of the media surface comes off on the
heads. Over time, residue builds up and causes errors in reading and writing.
Customers are responsible for cleaning the tape drive in accordance with the cleaning
information provided with the tape drive.
Note: Refer to “Ordering Tape Cartridges” on page 23 to identify the only media
supported on this tape drive.
Cleaning cartridges can be used a limited number of times. After a cleaning cartridge
has been used to its maximum number of times, the cartridge is considered expired.
When cartridges expire, they must be replaced. Never reuse an expired cleaning
cartridge. Doing so allows previously removed dirt to be reintroduced to the tape drive.
When you have cleaned the tape drive, mark the usage on the cartridge in order to best
determine when your cleaning cartridge has expired.
SCSI Hardware Issues
SCSI bus cables and terminators may affect tape drive performance. The cables and
terminators supplied with your system are designed specifically to keep the SCSI bus
as free of noise as possible. Use of nonsupported cables or terminators may adversely
affect the SCSI bus performance. If service personnel analysis indicates a problem with
nonsupported cables, it may be necessary for the customer to replace them with the
appropriate supported cables. Contact your customer service representative if your
system’s cables or terminators need to be replaced.
420/40GB 4MM Internal Tape Drive: Installation and Using Guide

Chapter 2. Preparing to Install the 20/40GB 4MM Internal Tape Drive
This chapter covers all the things you need to do before you install your 20/40GB 4MM
Internal Tape Drive. Preparing to install the tape drive involves the following tasks:
vVerifying your software requirements
vMaking sure your package is complete
vGathering tools and documentation
vPlanning your SCSI device layout
vDetermining your SCSI address.
Verifying Your Software Requirements
The 20/40GB 4MM Internal Tape Drive is supported on AIX 4.3.0 or later.
Checking Prerequisites
Check that your package contains the following items:
vThe 20/40GB 4MM Internal Tape Drive
vMedia kit containing:
– 1 data cartridge
– 1 cleaning cartridge
– 1 test tape
– jumpers (located in a plastic bag)
vSpecific hardware for attaching the tape drive to your specific system, as detailed on
the parts listing that comes with your 20/40GB 4MM Internal Tape Drive
Needed Tools and Documentation
The following tools and documentation are needed to complete the installation:
vA flat-bladed screwdriver
vYour system unit documentation, including any service documentation
vYour operating system documentation
Contact the place of purchase if an item is missing or damaged.
Planning Your SCSI Device Layout
SCSI devices are attached in a daisy-chain configuration to a SCSI adapter inside your
system unit. SCSI devices can be installed inside your system unit or connected
externally. When you connect more than one SCSI device, it is important that you plan
the layout of your SCSI chain. Each device in the chain has a unique SCSI address
(also called a
SCSI ID). A terminator is required at each end of the SCSI chain.
5

Determining Your SCSI Address
Before you install the 20/40GB 4MM Internal Tape Drive, you must set the SCSI
address on the drive. First, determine which SCSI addresses are available to use. Then
you choose an address and install jumpers on the drive to set the selected address.
The 20/40GB 4MM Internal Tape Drive supports addresses 6 through 0 and 8 through
15. You can use any available SCSI address as long as no two SCSI devices on the
same chain use the same address. Usually, no device can use address 7, which is
reserved for the SCSI adapter.
SCSI addresses are in sequential order from highest to lowest priority. Refer to Table 1
on page 7 for the priority associated with each address. All SCSI devices can use SCSI
addresses 6 through 0. If your system unit and adapter support the wide (16-data bit,
68-conductor cable) SCSI interface, you may see addresses in the range of 0 through
15.
To determine what SCSI adapters are in your system, type the following at the system
prompt:
vlsdev -C | grep scsi
Press enter. All SCSI adapters in the system are displayed in the following format:
scsi0 Available 00-00-0S Standard SCSI I/O Controller
scsi1 Available 00-01 SCSI I/O Controller
To determine the SCSI address for the adapter you will attach to, type the following at
the system prompt:
vlsattr -El scsi0 | grep id
Where
scsi0 is the adapter that the tape drive is to be attached. Press enter. The
SCSI ID is displayed in the following format:
id 7 Adapter card SCSI I True
To find an available SCSI address, do the following:
1. To identify the SCSI addresses used by all other devices, type
lsdev -Cs scsi
and press Enter. A list of devices appears in the following format.
hdisk0 Available 00-00-0S-0,0 2.0GB SCSI Disk Drive
hdisk1 Available 00-02-01-2,0 4.5GB 16 Bit SCSI Disk Drive
hdisk2 Available 00-02-01-3,0 SCSI Disk Drive
rmt0 Available 00-02-01-4,0 SCSI 8mm Tape Drive
In the fourth position of the third column, locate all instances of the port that you
chose in step 1. (The list may contain multiple instances of a port. In the following
example, for port 2 (identified in step 1) there are three instances.) The addresses
of the other SCSI devices appear in the seventh position (highlighted in the
example.)
620/40GB 4MM Internal Tape Drive: Installation and Using Guide

For the port chosen in step 1 on page 6, note the addresses of the other SCSI
devices attached to your system (in this case, for port 2, the addresses are 2,3,
and 4).
2. Select the highest-priority unused SCSI address for your 20/40GB 4MM Internal
Tape Drive. Use Table 1 to record the address you chose for your 20/40GB 4MM
Internal Tape Drive and the names and addresses of any other installed SCSI
devices. Save this information for future reference.
Table 1. Data Access Priorities for SCSI Addresses
Priority SCSI Address SCSI Device Name
Highest Priority 7 (Default) Adapter
↓6
↓5
↓4
↓3
↓2
↓1
↓0
↓15
↓14
↓13
↓12
↓11
↓10
↓9
Lowest Priority 8
Chapter 2. Preparing to Install the 20/40GB 4MM Internal Tape Drive 7

820/40GB 4MM Internal Tape Drive: Installation and Using Guide

Chapter 3. Installing the 20/40GB 4MM Internal Tape Drive
This chapter takes you through the steps of installing your 20/40GB 4MM Internal Tape
Drive, which involves the following tasks:
vHandling Recommendations
vSetting the SCSI address
vInstalling the tape drive in your system unit
vConnecting the tape drive
vConfiguring the tape drive
vVerifying the installation
Note: Refer to your system unit documentation for safety information before you install
and connect your 20/40GB 4MM Internal Tape Drive.
Handling Recommendations
Attention: Be sure to read “Handling Static-Sensitive Devices” on page vii before you
remove the 20/40GB 4MM Internal Tape Drive from its anti-static bag or any time you
handle it.
For optimum performance, always follow the recommendations listed below:
vHandle the drive carefully and by its external metal chassis. Keep your hands away
from the printed circuit boards, components, and printed circuit (flex) cables.
vIf possible, work on a cushioned surface, and do not drop the tape drive onto the
work surface.
vIf you move tape drive to an environment that is colder or warmer than its previous
environment, keep the drive in its package and allow the package to reach the
current room temperature. This prevents potential data loss or damage to the tape
drive. Allow one hour of acclimation for each 10 degrees C (18 degrees F) difference
between the ship or storage temperature and the room temperature.
Setting the SCSI Address
The 20/40GB 4MM Internal Tape Drive is shipped with jumpers packaged in a small
plastic bag. After you choose an available SCSI address, you can install the jumpers on
the tape drive to match the selected address. Refer to “Determining Your SCSI
Address” on page 6 if you need instructions for selecting the SCSI address.
To set a SCSI address, insert jumpers onto pin positions reserved on the jumper block
specifically for setting the address. To set a position to On, insert a jumper onto both
the top and bottom pins. To set a position to Off, either insert a jumper onto the top pin
only or remove the jumper from the jumper block.
Refer to the figure on page 10 and to Table 2 on page 10 as you go through the
following steps to set the SCSI address on your 20/40GB 4MM Internal Tape Drive:
9

Attention: Be sure to read the handling instructions in “Handling Static-Sensitive
Devices” on page vii before you begin.
1. Remove the tape drive from its anti-static bag.
2. Find pin positions 1-2,3-4,5-6, and 7-8 located on the jumper block on the back of
the tape drive. These positions are always used to set the SCSI address on the
20/40GB 4MM Internal Tape Drive.
3. Refer to Table 2 to determine in which positions you install the jumpers to correctly
set the SCSI address you chose in step 2 on page 7.
Jumper Pin Positions on the 20/40GB 4MM Internal Tape Drive
1
23
7531
8642
1SCSI Address Block
268-pin SCSI Connector
3Power Connector
Note: The 20/40GB 4MM Internal Tape Drive is shipped with six jumpers, each set to
the “off” position (SCSI address 0).
Table 2. SCSI Address Settings
Address Jumper 7-8 Jumper 5-6 Jumper 3-4 Jumper 1-2
0 Off Off Off Off
1 Off Off Off On
2 Off Off On Off
3 Off Off On On
4 Off On Off Off
5 Off On Off On
6 Off On On Off
7* Off On On On
8 On Off Off Off
10 20/40GB 4MM Internal Tape Drive: Installation and Using Guide