Quantum DLTtape DLT 8000 User manual

DLTTM 8000 Tape System
Product Manual
Nov. 10, 2003
81-60118-06

Quantum reserves the right to make changes and improvements to its products, without
incurring any obligation to incorporate such changes or improvements in units previously sold
or shipped. Quantum reserves the right to make changes to this product manual without
incurring any obligation to notify recipients of earlier versions of the product manual.
You can request Quantum publications from your Quantum Sales Representative or
order them directly from Quantum.
Publication Number: 81-60118-04, April 2, 2001
SERVICE CENTERS
Quantum Service Center Quantum Asia-Pacific Pte. Ltd. Quantum Customer Service
715 Sycamore Avenue 50 Tagore Lane #b1-04 Quantum Ireland, Ltd.
Milpitas, California 95035 Singapore, 2678 Finnabair Industrial Park
Phone [phone] Phone: [phone] Dundalk
FAX: (800) 4DISKFAX FAX: [phone] County Louth, Ireland
BBS: [phone] Phone: [phone]
Fax: [phone]
Copyright 1999-2001 by Quantum Corporation. All rights reserved. Printed in U.S.A.
Quantum and the Quantum logo are trademarks of Quantum Corporation, registered in
the U.S.A. and other countries. DLTtape and the DLTtape logo are trademarks of
Quantum Corporation. Products mentioned herein are for identification purposes only
and may be trademarks or registered trademarks of their respective companies.

USER MANUAL STATEMENTS FOR CLASS A EQUIPMENT (INTEGRATIBLE TAPE SYSTEM)
This equipment generates, uses, and may emit radio frequency energy. The equipment has been type tested
and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC rules, which are
designed to provide reasonable protection against such radio frequency interference.
Operation of this equipment in a residential area may cause interference in which case the user at his own
expense will be required to take whatever measures may be required to correct the interference.
Any modifications to this device - unless expressly approved by the manufacturer - can void the user’s
authority to operate this equipment under part 15 of the FCC rules.
Note:
Additional information on the need to interconnect the device with shielded (data) cables or the need
for special devices, such as ferrite beads on cables, is required if such means of interference suppression was
used in the qualification test for the device. This information will vary from device to device and needs to be
obtained from the EMC group or product manager.
Warning!
This is a Class A product. In a domestic environment this product may cause radio interference in which case
the user may be required to take adequate measures.
Achtung!
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb dieses Gerätes
Rundfunkstörungen auftreten, in welchen Fällen der Benutzer für entsprechende Gegenmaßnahmen
verantwortlich ist.
Warning!
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
Attention!
Ceci est un produit de Classe A. Dans un environnement domestique, ce produit risque de créer des
interférences radioélectriques, il appartiendra alors à l'utilisateur de prendre les mesures spécifiques
appropriées.

USER MANUAL STATEMENTS FOR CLASS A EQUIPMENT (continued)
USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT (TABLETOP VERSION)
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. Any modifications to this device - unless expressly approved by
the manufacturer - can void the user’s authority to operate this equipment under part 15 of the FCC rules.
Operation is subject to the following two conditions: (1) this device may not cause harmful interference
and (2) this device must accept any interference that may cause undesirable operation.
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 communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected
•Consult the dealer or an experienced radio/TV technician for help.
Note: Additional information on the need to interconnect the device with shielded (data) cables or the
need for special devices, such as ferrite beads on cables, is required if such means of interference
suppression was used in the qualification test for the device. This information will vary from device to
device and needs to be obtained from the EMC group or product manager.
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT (continued)

Quantum DLT 8000 Tape System v
Table of Contents
Page
REVISION HISTORY ......................................................................................................................................xxv
ABOUT THIS MANUAL................................................................................................................................xxix
CHAPTER 1: GENERAL DESCRIPTION AND SPECIFICATIONS
1.1 GENERAL DESCRIPTION......................................................................................................................1-1
1.2 KEY FEATURES......................................................................................................................................1-1
1.3 SPECIFICATIONS ..................................................................................................................................1-2
1.3.1 Drive Capacity ..............................................................................................................................1-2
1.3.2 Interface Type...............................................................................................................................1-2
1.3.3 Performance and Timing Specifications..................................................................................1-3
1.3.4 Reliability (Projected) ..................................................................................................................1-4
1.3.5 Physical Specifications ................................................................................................................1-5
1.3.6 Temperature and Humidty ........................................................................................................1-6
1.3.7 Operating Air Velocity ................................................................................................................1-7
1.3.8 Vibration, Shock, and Drop Specifications .............................................................................1-7
1.3.9 Altitude..........................................................................................................................................1-9
1.3.10 Acoustic Emissions................................................................................................................... 1-10
1.3.11 Electromagnetic Emissions ..................................................................................................... 1-10
1.3.12 Power Requirements................................................................................................................ 1-11
1.3.13 Current Requirements.............................................................................................................. 1-12
1.3.14 Tape System Recording Type.................................................................................................. 1-13
1.3.15 DLTtape Recording Media Specifications............................................................................. 1-13
1.3.16 Electromagnetic Interference (EMI) Susceptibility.............................................................. 1-15

Table of Contents
vi Quantum DLT 8000 Tape System
CHAPTER 2: CONFIGURING, INSTALLING AND OPERATING THE TAPE SYSTEM
2.1 Safety, Handling, and Electrostatic Discharge (ESD) Protection...................................................2-1
2.1.1 Safety Precautions.......................................................................................................................2-1
2.1.2 Handling........................................................................................................................................2-1
2.1.3 Electrostatic Discharge (ESD) Protection.................................................................................2-2
2.2 Configuring and Installing an Integral Tape System.......................................................................2-3
2.2.1 Setting the SCSI ID ......................................................................................................................2-4
2.2.2 Setting TERM PWR.......................................................................................................................2-6
2.2.3 Setting Parity Checking ..............................................................................................................2-7
2.2.4 Installing the Tape System.........................................................................................................2-8
2.2.4.1 Securing the Tape System in Bay or Chassis.................................................................2-8
2.2.4.2 Connecting SCSI Bus and Power Cables..................................................................... 2-10
2.2.4.3 The Loader Connector................................................................................................... 2-14
2.3 Configuring and Installing a Tabletop Tape System .................................................................. 2-15
2.3.1 Selecting SCSI ID....................................................................................................................... 2-17
2.3.2 Connecting the SCSI Bus Cables ............................................................................................ 2-18
2.3.3 Installing the AC Power Cord ................................................................................................ 2-19
2.4 The Tape Cartridge........................................................................................................................... 2-22
2.4.1 Care and Handling of Tape Cartridges ................................................................................. 2-23
2.4.2 Tape Cartridge Write-Protect Switch .................................................................................... 2-25
2.4.3 Checking a Tape Cartridge...................................................................................................... 2-27
2.4.4 Loading a Cartridge................................................................................................................. 2-28
2.4.5 Unloading a Cartridge ............................................................................................................. 2-30
2.4.6 How and When to Use a Cleaning Tape Cartridge............................................................. 2-31
2.5 Operating the Tape System – Controls and Indicators.............................................................. 2-34
2.5.1 Unload Button........................................................................................................................... 2-35
2.5.2 Cartridge Insert/Release Handle............................................................................................. 2-35
2.5.3 Selecting Density ...................................................................................................................... 2-36
2.6 Power On Self Test (POST) and Indicator Activity During POST............................................... 2-40
2.7 Tape System Operating Modes and Indicator Activity .............................................................. 2-42
2.8 Using the DLT 8000 Tape System’s Basic Health Check (BHC) Test Feature .......................... 2-46
2.9 Troubleshooting............................................................................................................................... 2-48

Table of Contents
Quantum DLT 8000 Tape System vii
CHAPTER 3: SCSI DESCRIPTION
3.1 SCSI Overview ......................................................................................................................................3-1
3.2 SCSI Commands...................................................................................................................................3-3
3.3 Signal States.........................................................................................................................................3-7
3.3.1 Signal Values ...............................................................................................................................3-7
3.3.2 SCSI ID Bits....................................................................................................................................3-7
3.4 SCSI Signals...........................................................................................................................................3-9
3.4.1 SCSI Signal Definitions................................................................................................................3-9
3.4.2 Signal Bus Timing..................................................................................................................... 3-10
3.5 SCSI Bus Phases................................................................................................................................. 3-13
3.5.1 BUS FREE Phase......................................................................................................................... 3-13
3.5.2 ARBITRATION Phase ................................................................................................................. 3-15
3.5.3 SELECTION Phase...................................................................................................................... 3-16
3.5.4 RESELECTION Phase.................................................................................................................. 3-17
3.5.5 Information Transfer Phases................................................................................................... 3-19
3.5.5.1 Asynchronous Data Transfer........................................................................................ 3-22
3.5.5.2 Synchronous Data Transfer........................................................................................... 3-23
3.5.5.3 Signal Restrictions Between Phases ............................................................................ 3-24
3.5.5.4 STATUS Phase.................................................................................................................. 3-25
3.6 SCSI Bus Conditions ......................................................................................................................... 3-27
3.6.1 Attention Condition................................................................................................................. 3-27
3.6.2 Reset Condition......................................................................................................................... 3-28
3.6.3 Queued Unit Attentions .......................................................................................................... 3-29

Table of Contents
viii Quantum DLT 8000 Tape System
CHAPTER 4: SCSI MESSAGES
4.1 Message Format..............................................................................................................................4-1
4.2 Supported SCSI Messages..............................................................................................................4-5
4.2.1 ABORT Message (06h) ........................................................................................................4-5
4.2.2 BUS DEVICE RESET Message (0Ch)....................................................................................4-5
4.2.3 COMMAND COMPLETE Message (00h)............................................................................4-5
4.2.4 DISCONNECT Message (04h)..............................................................................................4-6
4.2.5 IDENTIFY Message (80h - FFh) ...........................................................................................4-7
4.2.6 IGNORE WIDE RESIDUE Message (23h)............................................................................4-8
4.2.7 INITIATOR DETECTED ERROR Message (05h)...................................................................4-9
4.2.8 LINKED COMMAND COMPLETE Message (0Ah) .......................................................... 4-10
4.2.9 LINKED COMMAND COMPLETE, with Flag Message (0Ah)........................................ 4-10
4.2.10 MESSAGE PARITY ERROR Message (09h)...................................................................... 4-10
4.2.11 MESSAGE REJECT Message (07h)................................................................................... 4-10
4.2.12 NO OPERATION (08h) ........................................................................................................ 4-11
4.2.13 RESTORE POINTERS Message (03h)................................................................................ 4-11
4.2.14 SAVE DATA POINTER Message (02h)............................................................................. 4-11
4.2.15 SYNCHRONOUS DATA TRANSFER REQUEST Message (01h)....................................... 4-12
4.2.16 WIDE DATA TRANSFER REQUEST Message (01h).......................................................... 4-13
CHAPTER 5: SCSI COMMANDS
5.1 SCSI Commands.............................................................................................................................5-1
5.1.1 SCSI Pointers...........................................................................................................................5-3
5.1.2 Command Descriptor Block.................................................................................................5-4
5.1.3 Status/Error Reporting..........................................................................................................5-7
5.1.4 DATA-Phase Command Components ................................................................................5-8
5.1.5 Unit Attention Condition .................................................................................................. 5-10
5.1.6 Behavior at Power-On and SCSI Bus Reset..................................................................... 5-11

Table of Contents
Quantum DLT 8000 Tape System ix
5.1.7 Data Cache and Tape Write Interaction ......................................................................... 5-12
5.2 SCSI Command Descriptions in this Manual ......................................................................... 5-13
5.3 ERASE Command (19h)............................................................................................................ 5-15
5.4 INQUIRY Command (12h)........................................................................................................ 5-17
5.4.1 STANDARD INQUIRY DATA Page...................................................................................... 5-18
5.4.2 VENDOR-UNIQUE INQUIRY Data...................................................................................... 5-22
5.4.3 SUPPORTED VITAL PRODUCT Data Page......................................................................... 5-23
5.5 LOAD UNLOAD Command (1Bh)............................................................................................ 5-33
5.6 LOCATE Command (2Bh)......................................................................................................... 5-37
5.7 LOG SELECT Command (4Ch).................................................................................................. 5-39
5.7.1 Log Detection Summary in LOG SELECT Command Descriptor Block ...................... 5-41
5.7.2 Operation of LOG SELECT ................................................................................................. 5-41
5.7.3 Log Select Page Format..................................................................................................... 5-42
5.7.4 Error Detection Summary in Log Select Pages.............................................................. 5-45
5.8 LOG SENSE Command (4Dh)................................................................................................... 5-47
5.8.1 Error Detection Summary in LOG SENSE Command Descriptor Block...................... 5-50
5.8.2 SUPPORTED PAGES Log Page (Page 00h)....................................................................... 5-51
5.8.3 READ (Page 03h) / WRITE (Page 02h) ERROR LOG SENSE Page .............................. 5-52
5.8.4 LAST n ERROR EVENTS Page (07h)................................................................................. 5-56
5.8.5 TAPEALERT Page (2Eh)...................................................................................................... 5-58
5.8.6 READ / WRITE COMPRESSION Page (32h)..................................................................... 5-62
5.8.7 DEVICE WELLNESS Page (33h) ........................................................................................ 5-66
5.8.8 DEVICE STATUS Page (3Eh).............................................................................................. 5-69
5.9 MODE SELECT Command (6) / (10) (15h / 55h)................................................................... 5-73
5.9.1 Mode Parameter List.......................................................................................................... 5-69
5.9.1.1 Mode Parameter Header............................................................................................. 5-75
5.9.1.2 Mode Parameter Block Descriptor............................................................................. 5-79
5.9.1.3 Mode Page Descriptors ............................................................................................... 5-81
5.9.2 READ / WRITE ERROR RECOVERY Page (01h) ............................................................... 5-82

Table of Contents
xQuantum DLT 8000 Tape System
5.9.3 DISCONNECT / RECONNECT Page (02h) ........................................................................ 5-84
5.9.4 CONTROL MODE Page (0Ah)........................................................................................... 5-86
5.9.5 DATA COMPRESSION Page (0Fh).................................................................................... 5-88
5.9.6 DEVICE CONFIGURATION Page (10h) ............................................................................ 5-90
5.9.7 MEDIUM PARTITION Page (11h)..................................................................................... 5-93
5.9.8 TAPEALERT Page (1Ch) ..................................................................................................... 5-95
5.9.9 EEPROM VENDOR UNIQUE Page (3Eh).......................................................................... 5-98
5.9.10 Changeable Parameters within MODE SELECT ..........................................................5-106
5.10 MODE SENSE (6) / (10) Command (1Ah / 5Ah) ................................................................5-107
5.10.1 MODE SENSE Data Headers ...........................................................................................5-110
5.10.2 MODE SENSE Block Descriptor.......................................................................................5-113
5.10.3 MODE SENSE Mode Pages..............................................................................................5-116
5.10.3.1 READ / WRITE ERROR RECOVERY Page (01h).....................................................5-118
5.10.3.2 DISCONNECT / RECONNECT Page (02h) .............................................................5-120
5.10.3.3 CONTROL MODE Page (0Ah)................................................................................5-122
5.10.3.4 DATA COMPRESSION Page (0Fh).........................................................................5-124
5.10.3.5 DEVICE CONFIGURATION Page (10h)..................................................................5-126
5.10.3.6 MEDIUM PARTITION Page (11h) ..........................................................................5-129
5.10.3.7 TAPEALERT PAGE (1Ch) ........................................................................................5-131
5.10.3.8 EEPROM VENDOR-UNIQUE page (3Eh)...............................................................5-134
5.11 PERSISTENT RESERVATION IN Command (5Eh)...................................................................5-135
5.12 PERSISTENT RESERVATION OUT Command (5Fh)...............................................................5-147
5.13 PREVENT / ALLOW MEDIUM REMOVAL Command (1Eh)..................................................5-161
5.14 READ Command (08h) ...........................................................................................................5-163
5.15 READ BLOCK LIMITS Command (05h) .................................................................................5-167
5.16 READ BUFFER Command (3Ch)..............................................................................................5-169
5.16.1 Combined Header and Data Mode ...............................................................................5-163
5.16.2 Data Mode.........................................................................................................................5-163
5.16.3 Descriptor Mode...............................................................................................................5-163

Table of Contents
Quantum DLT 8000 Tape System xi
5.17 READ POSITION Command (34h).........................................................................................5-173
5.17.1 Standard READ POSITION Data......................................................................................5-174
5.17.2 Total Current Logical Position ........................................................................................5-176
5.18 RECEIVE DIAGNOSTIC RESULTS Command (1Ch)..............................................................5-177
5.19 RELEASE UNIT (6) Command (17h)......................................................................................5-179
5.20 RELEASE UNIT (10) Command (57h)....................................................................................5-181
5.21 REPORT DENSITY SUPPORT Command (44h)......................................................................5-183
5.22 REPORT LUNS Command (A0h) ............................................................................................5-189
5.23 REQUEST SENSE Command (03h) ........................................................................................5-192
5.24 RESERVE UNIT (6) Command (16h)......................................................................................5-205
5.25 RESERVE UNIT (10) Command (56h) ...................................................................................5-209
5.26 REWIND Command (01h) ......................................................................................................5-215
5.27 SEND DIAGNOSTIC Command (1Dh)...................................................................................5-217
5.28 SPACE Command (11h)..........................................................................................................5-223
5.29 TEST UNIT READY Command (00h)......................................................................................5-225
5.30 VERIFY Command (13h).........................................................................................................5-227
5.31 WRITE Command (0Ah)..........................................................................................................5-229
5.32 WRITE BUFFER Command (3Bh) ...........................................................................................5-233
5.32.1 Write Combined Header and Data Mode (000b) .......................................................5-234
5.32.2 Write Data Mode (010b).................................................................................................5-234
5.32.3 Download Microcode Mode (100b)..............................................................................5-234
5.32.4 Download Microcode and Save Mode (101b) ............................................................5-235
5.33 WRITE FILEMARKS Command (10h).....................................................................................5-237
Appendix A: Definition of Vendor Unique Sense Data Information .......................................... A-1
Appendix B: EEPROM-Resident Bugcheck and Event Logs..............................................................B-1
Appendix C: Updating the Firmware ....................................................................................................C-1
Appendix D: Running the Basic Health Check (BHC) Test Via the Library Port........................ D-1
Appendix E: Visual Inspection Procedure for DLTtape Cartridges................................................E-1

Table of Contents
xii Quantum DLT 8000 Tape System
Appendix F: Timeout Specifications for DLT 8000 Tape System SCSI Commands...................F-1
Appendix G: DLT 7000 Emulation Feature..........................................................................................G-1
Index .................................................................................................................................. Index-1

Table of Contents
Quantum DLT 8000 Tape System xiii
FIGURES
Figure 2–1 Location of SCSI ID Connector Block..................................................................................2-4
Figure 2–2 Jumper Installed on Pin Pair 3 / 4 Enables Termination Power (TERM PWR) ..............2-6
Figure 2–3 Jumper Installed on Pin Pair 1 / 2 Disables Parity Checking...........................................2-7
Figure 2–4 Locations and Dimensions for Mounting Holes...............................................................2-9
Figure 2–5 Connectors for SCSI Bus Cable and Power Cable.......................................................... 2-10
Figure 2–6 Loader Connector Block.................................................................................................... 2-14
Figure 2–7 Physical Dimensions of DLT 8000 Tabletop System ..................................................... 2-16
Figure 2–8 DLT 8000 Tabletop Tape System Rear Panel ................................................................. 2-17
Figure 2–9 Location of SCSI Bus Connectors on Rear Panel (Tabletop Version).......................... 2-18
Figure 2–10 AC Power Cord Plug End................................................................................................... 2-20
Figure 2–11 Location of AC Power Cord Connector on Rear Panel (Tabletop
Version)................................................................................................................................. 2-21
Figure 2–12 Write-Protect Switch on Tape Cartridge......................................................................... 2-26
Figure 2–13 Front Panel of Tape System............................................................................................... 2-28
Figure 4–1Extended Message — Data Format......................................................................................4-4
Figure 4–2IDENTIFY Message — Data Format......................................................................................4-7
Figure 4–3 IGNORE WIDE RESIDUE Message — Data Format............................................................4-8
Figure 4–4 Synchronous Data Transfer Request Message — Data Format .................................. 4-12
Figure 4–5 Wide Data Transfer Request Message — Data Format................................................ 4-13
Figure 5–1Typical 6-Byte Command Descriptor Block — Data Format............................................5-4
Figure 5–2Command Descriptor Block Control Field — Data Format..............................................5-6
Figure 5–3 ERASE Command Descriptor Block — Data Format....................................................... 5-15
Figure 5–4 INQUIRY Command Descriptor Block — Data Format................................................... 5-17
Figure 5–5 Standard Inquiry Data Page — Data Format................................................................... 5-19
Figure 5–6 INQUIRY Vendor Unique Bytes Definitions...................................................................... 5-22
Figure 5–7 Supported Vital Product Data Pages Page — Data Format.......................................... 5-24
Figure 5–8 Unit Serial Number Page — Data Format........................................................................ 5-25
Figure 5–9 Device Identification Page — Data Format...................................................................... 5-26
Figure 5–10 Identification Descriptor — Data Format......................................................................... 5-26
Figure 5–11 Firmware Build Information Page — Data Format ...................................................... 5-28
Figure 5–12 Command Support Data Page — Data Format............................................................ 5-30

Table of Contents
xiv Quantum DLT 8000 Tape System
Figure 5–13 LOAD UNLOAD Command Descriptor Block — Data Format...................................... 5-34
Figure 5–14 LOCATE Command Descriptor Block — Data Format................................................... 5-37
Figure 5–15 LOG SELECT Command Descriptor Block — Data Format ........................................... 5-39
Figure 5–16 Log Page Header Format ................................................................................................... 5-42
Figure 5–17 Log Parameters Format...................................................................................................... 5-43
Figure 5–18 LOG SENSE Command Descriptor Block — Data Format............................................. 5-47
Figure 5–19 Supported Pages Page — Data Format............................................................................ 5-51
Figure 5–20 READ / WRITE Error LOG SENSE Header Format............................................................ 5-52
Figure 5–21 Log Parameters Format for READ / WRITE Error LOG SENSE Page............................. 5-53
Figure 5–22 Last n Error Events LOG SENSE Header Format............................................................. 5-56
Figure 5–23 Log Parameters Format for LAST n ERROR EVENTS LOG SENSE Page....................... 5-57
Figure 5–24 TapeAlert LOG SENSE Header Format ............................................................................. 5-58
Figure 5–25 Log Parameters Format for TapeAlert Page ................................................................... 5-59
Figure 5–26 READ / WRITE COMPRESSION RATIO LOG SENSE Header Format.............................. 5-62
Figure 5–27 Log Parameters Format for READ / WRITE COMPRESSION RATIO LOG SENSE Page
(Parameter Codes 00h and 01h)...................................................................................... 5-63
Figure 5–28 Log Parameters Format for READ / WRITE COMPRESSION RATIO LOG SENSE Page
(Parameter Codes 02h through 09h).............................................................................. 5-64
Figure 5–29 DEVICE WELLNESS LOG SENSE Header Format ............................................................. 5-66
Figure 5–30 Log Parameters Format for DEVICE WELLNESS LOG SENSE Page ............................. 5-67
Figure 5–31 DEVICE STATUS LOG SENSE Header Format................................................................... 5-69
Figure 5–32 Log Parameters Format for DEVICE STATUS LOG SENSE Page .................................. 5-70
Figure 5–33 Log Parameters Format for DEVICE STATUS LOG SENSE Page Parameter 0001h
(Cleaning Related) ............................................................................................................... 5-71
Figure 5–34 MODE SELECT (6) and (10) Command Descriptor Blocks — Data Format ............... 5-74
Figure 5–35 MODE SELECT (6) Mode Parameter List — Data Format ............................................. 5-75
Figure 5–36 MODE SELECT (10) Mode Parameter List — Data Format........................................... 5-76
Figure 5–37 MODE SELECT (6) Mode Parameter Header — Data Format...................................... 5-77
Figure 5–38 MODE SELECT (10) Mode Parameter Header — Data Format.................................... 5-77
Figure 5–39 Mode Parameter Block Descriptor — Data Format....................................................... 5-80
Figure 5–40 MODE SELECT Page Descriptor — Data Format............................................................ 5-82
Figure 5–41 READ/WRITE Error Recovery Page — Data Format........................................................ 5-82

Table of Contents
Quantum DLT 8000 Tape System xv
Figure 5–42 Disconnect / Reconnect Page — Data Format.............................................................. 5-84
Figure 5–43 Control Mode Page Format Descriptor — Data Format.............................................. 5-86
Figure 5–44 Data Compression Page Format Descriptor — Data Format....................................... 5-88
Figure 5–45 Device Configuration Page — Data Format ................................................................... 5-90
Figure 5–46 Medium Partition Page Format Descriptor — Data Format........................................ 5-93
Figure 5–47 TapeAlert Page Format Descriptor — Data Format ...................................................... 5-95
Figure 5–48 EEPROM Vendor Unique Page — Data Format............................................................. 5-98
Figure 5–49 EEPROM Vendor Unique Page “Vendor ID” Sample — Data Format......................5-104
Figure 5–50 EEPROM Vendor Unique Page “Forced Density” Example — Data Format............5-105
Figure 5–51 MODE SENSE (6) Command Descriptor Block — Data Format.................................5-107
Figure 5–52 MODE SENSE (10) Command Descriptor Block — Data Format..............................5-108
Figure 5–53 MODE SENSE (6) Data Header — Data Format ..........................................................5-110
Figure 5–54 MODE SENSE (10) Data Header — Data Format........................................................5-111
Figure 5–55 MODE SENSE Block Descriptor — Data Format.........................................................5-113
Figure 5–56 MODE SENSE Page Descriptor — Data Format ..........................................................5-116
Figure 5–57 READ / WRITE Error Recovery Page — Data Format ..................................................5-118
Figure 5–58 Disconnect / Reconnect Page — Data Format............................................................5-120
Figure 5–59 Control Mode Page — Data Format.............................................................................5-122
Figure 5–60 Data Compression Page — Data Format.....................................................................5-124
Figure 5–61 Device Configuration Page — Data Format .................................................................5-126
Figure 5–62 Medium Partition Page — Data Format......................................................................5-129
Figure 5–63 TapeAlert Page Format Descriptor — Data Format ....................................................5-131
Figure 5–64 PERSISTENT RESERVATION IN Command Descriptor Block — Data Format...........5-135
Figure 5–65 Read Keys Parameters — Data Format..........................................................................5-137
Figure 5–66 Read Reservations Parameters — Data Format..........................................................5-139
Figure 5–67 PERSISTENT RESERVATION IN Read Reservations Descriptor — Data Format........5-140
Figure 5–68 PERSISTENT RESERVATION OUT Command Descriptor Block — Data Format.......5-148
Figure 5–69 PERSISTENT RESERVATION OUT Parameter List — Data Format ..............................5-158

Table of Contents
xvi Quantum DLT 8000 Tape System
Figure 5–70 PREVENT / ALLOW MEDIUM REMOVAL Command Descriptor Block — Data
Format................................................................................................................................5-161
Figure 5–71 READ Command Descriptor Block — Data Format.....................................................5-163
Figure 5–72 READ BLOCK LIMITS Command Descriptor Block — Data Format...........................5-167
Figure 5–73 READ BLOCK LIMITS Data — Data Format...................................................................5-168
Figure 5–74 READ BUFFER Command Descriptor Block — Data Format......................................5-169
Figure 5–75 READ BUFFER Header — Data Format...........................................................................5-171
Figure 5–76 READ BUFFER Descriptor — Data Format.....................................................................5-172
Figure 5–77 READ POSITION Command Descriptor Block — Data Format...................................5-173
Figure 5–78 READ POSITION — Data Format.....................................................................................5-174
Figure 5–79 READ POSITION (Long Form) — Data Format..............................................................5-176
Figure 5–80 RECEIVE DIAGNOSTIC RESULTS Command Descriptor Block — Data Format........5-177
Figure 5–81 RECEIVE DIAGNOSTIC RESULTS — Data Format..........................................................5-178
Figure 5–82 RELEASE UNIT (6) Command Descriptor Block — Data Format................................5-179
Figure 5–83 RELEASE UNIT (10) Command Descriptor Block — Data Format .............................5-181
Figure 5–84 REPORT DENSITY SUPPORT Command Descriptor Block — Data Format...............5-183
Figure 5–85 REPORT DENSITY SUPPORT Header — Data Format ...................................................5-184
Figure 5–86 Density Support Data Block Descriptor — Data Format............................................5-186
Figure 5–87 REPORT LUNS Command Descriptor Block — Data Format ......................................5-189
Figure 5–88 LUN Reporting Parameter List — Data Format............................................................5-190
Figure 5–89 REQUEST SENSE Command Descriptor Block — Data Format..................................5-191
Figure 5–90 REQUEST SENSE — Data Format....................................................................................5-193
Figure 5–91 RESERVE UNIT (6) Command Descriptor Block — Data Format ...............................5-205
Figure 5–92 RESERVE UNIT (10) Command Descriptor Block — Data Format.............................5-209
Figure 5–93 Extent Descriptors — Data Format ................................................................................5-211
Figure 5–94 Parameter List When LongID and Extent Bits =1 — Data Format...........................5-212
Figure 5–95 RESERVE UNIT (10) ID Only Paramter List — Data Format........................................5-213
Figure 5–96 REWIND Command Descriptor Block — Data Format................................................5-215
Figure 5–97 SEND DIAGNOSTIC Command Descriptor Block — Data Format.............................5-217
Figure 5–98 SEND DIAGNOSTIC Parameter List — Data Format.....................................................5-219

Table of Contents
Quantum DLT 8000 Tape System xvii
Figure 5–99 SPACE Command Descriptor Block — Data Format ...................................................5-223
Figure 5–100 TEST UNIT READY Command Descriptor Block — Data Format.............................5-225
Figure 5–101 VERIFY Command Descriptor Block — Data Format ................................................5-227
Figure 5–102 WRITE Command Descriptor Block — Data Format.................................................5-229
Figure 5–103 WRITE BUFFER Command Descriptor Block — Data Format...................................5-233
Figure 5–104 WRITE FILEMARKS Command Descriptor Block — Data Format............................5-237
Figure E–1 Location of One of the Two Reel Lock Tabs on the DLTtape...........................................E-3
Figure E–2 Location of Reel Lock Opening and Spring-Loaded Hub on Bottom of DLTtape
Cartridge ...................................................................................................................................E-4
Figure E–3 Opening the Door on a DLTtape Cartridge Showing Tape Leader Loop in its Correct
Position......................................................................................................................................E-5
Figure E–4 Three Examples of Tape Cartridges with Damage Visible During Visual Inspection...E-6
Figure E–5 Location of Write Protect Switch .........................................................................................E-7

Table of Contents
xviii Quantum DLT 8000 Tape System
TABLES
Table 1−1 Storage Capacity .......................................................................................................................1-2
Table 1−2 Performance and Timing Specifications ...............................................................................1-3
Table 1−3 Physical Dimensions ..................................................................................................................1-5
Table 1−4 Temperature and Humidity Specifications............................................................................1-6
Table 1−5 Vibration, Shock, and Drop Specifications............................................................................1-7
Table 1−6 Drop Specifications ...................................................................................................................1-9
Table 1−7 Altitude Specifications..............................................................................................................1-9
Table 1−8 Acoustic Noise Emissions, Nominal..................................................................................... 1-10
Table 1−9 Acoustic Noise Declaration for German Noise Declaration Law .................................... 1-10
Table 1−10 Power Requirements............................................................................................................ 1-11
Table 1−11 Current Requirements........................................................................................................... 1-12
Table 1−12 DLTtape Media Specifications ............................................................................................. 1-13
Table 1−13 DLTtape Cartridge Operating and Storage Limits ........................................................... 1-14
Table 1−14 Conducted Emissions............................................................................................................ 1-15
Table 1−15 Radiated Emissions............................................................................................................... 1-16
Table 1−16 Magnetic Radiated Susceptibility ...................................................................................... 1-16
Table 1−17 Radiated Susceptibility ........................................................................................................ 1-16
Table 1−18 Conducted Susceptibility .................................................................................................... 1-17
Table 1−19 ESD Failure Level Limits....................................................................................................... 1-17
Table 2–1 SCSI ID Jumper Settings............................................................................................................2-5
Table 2–2 68-Pin Single-Ended Configuration SCSI Connector Signal Names............................... 2-11
Table 2–3 68-Pin Wide LVD Version SCSI Connector Signal Names................................................. 2-12
Table 2–4 68-Pin Differential Version SCSI Connector Signal Names.............................................. 2-13
Table 2–5 Power Connector Signal Names........................................................................................... 2-14
Table 2–6 Tape Cartridge Topics Discussed in this Manual............................................................... 2-21
Table 2–7 Enabling Write-Protect Before Loading the Cartridge ..................................................... 2-25
Table 2–8 Enabling Write-Protect After Loading the Cartridge and During Operation ............... 2-25
Table 2–9 When to Use a Cleaning Cartridge ...................................................................................... 2-30
Table 2–10 Indicator Light Activity During Density Selection ............................................................ 2-37