Quantum DLT 7000 Manuel

DLT™7000 Tape SystemProduct ManualApril 4, 200181-60000-06

Table of ContentsQuantum DLT 7000 Tape Systemx5.9.10 Changeable Parameters within MODE SELECT...5-1045.10 MODE SENSE (6)

Messages4-10 Quantum DLT 7000 Tape System4.2.8 LINKED COMMAND COMPLETE Message (0Ah)This message is sent from a target to an initiator to indicate t

MessagesQuantum DLT 7000 Tape System 4-114.2.12 NO OPERATION (08h)If a target requests a message, the initiator sends a NO OPERATION message ifit doe

Messages4-12 Quantum DLT 7000 Tape SystemNOTEThe tape drive supports initiating synchronous transfer negotiationswith the host, but this feature is di

MessagesQuantum DLT 7000 Tape System 4-134.2.16 WIDE DATA TRANSFER REQUEST Message (01h)The following figure illustrates the message formats. B

Messages4-14 Quantum DLT 7000 Tape SystemThe transfer width is two the transfer width exponent bytes wide. The transferwidth that is established appli

Quantum DLT 7000 Tape System 5-1Chapter 5SCSI COMMANDSThis chapter describes the SCSI protocol features implemented in the DLT 7000 tape system. Notet

SCSI Commands5-2 Quantum DLT 7000 Tape SystemTable 5–1 Supported SCSI Commands (continued)Command Operation Code SectionRELEASE UNIT 17h 5.17REQUEST

SCSI CommandsQuantum DLT 7000 Tape System 5-35.1.1 SCSI PointersSCSI architecture provides a set of three pointers (called saved pointers) foreach I/O

SCSI Commands5-4 Quantum DLT 7000 Tape System5.1.2 Command Descriptor BlockAn initiator communicates with the drive by sending a 6- or 10-byte Comman

SCSI CommandsQuantum DLT 7000 Tape System 5-5Table 5–2 Command Descriptor Block - Field DescriptionsField DescriptionOperation Code The operation cod

Table of ContentsQuantum DLT 7000 Tape SystemxiC.4 Interpreting the Results of a Firmware Update ... C-4Appendix

SCSI Commands5-6 Quantum DLT 7000 Tape System BitByte7 6 5 4 3 2 1 05 Vendor Specific Reserved Flag LinkFigure 5–2 Command Descriptor Block Co

SCSI CommandsQuantum DLT 7000 Tape System 5-7The status code is contained in bits 1 through 5 of the status byte. Bits 0, 6, and7 are reserved. Table

SCSI Commands5-8 Quantum DLT 7000 Tape System5.1.4 DATA-Phase Command ComponentsMany of the SCSI commands cause data to be transferred between the in

SCSI CommandsQuantum DLT 7000 Tape System 5-9Table 5–5 DATA-Phase Command ContentsCommand Length in CDB Data Out(To Drive)Data In(To Initiator)ERASE

SCSI Commands5-10 Quantum DLT 7000 Tape SystemTable 5–5 DATA-Phase Command Contents (Continued)Command Length in CDB Data Out (ToDri

SCSI CommandsQuantum DLT 7000 Tape System 5-115.1.6 Behavior at Power-On and SCSI Bus ResetThe following apply to the DLT 7000 system tape drive’s beh

SCSI Commands5-12 Quantum DLT 7000 Tape System• When a WRITE 0 FILEMARKS command is issued.• When data has been in the cache longer than the maximum

SCSI CommandsQuantum DLT 7000 Tape System 5-13Throughout this manual, multiple bytes that contain information about specificcommand parameters are por

SCSI Commands5-14 Quantum DLT 7000 Tape System5.3 ERASE COMMAND (19h)The ERASE command causes data on the tape medium to be erased. Any WRITEdata cur

SCSI CommandsQuantum DLT 7000 Tape System 5-155.4 INQUIRY COMMAND (12h)The INQUIRY command allows the initiator to determine the kind of SCSIdevices

Table of ContentsQuantum DLT 7000 Tape SystemxiiFiguresFigure 2–1 DLT 7000 SCSI ID Jumper Location (Rackmount Version Shown) ... 2-5Figur

SCSI Commands5-16 Quantum DLT 7000 Tape SystemINQUIRY Command (12h) (continued)Table 5–7 INQUIRY Command Descriptor Block - Field DescriptionsField

SCSI CommandsQuantum DLT 7000 Tape System 5-17INQUIRY Command (12h) (continued)BitByte7 6 5 4 3 2 1 00 Peripheral Qualifier Peripheral Device Type1

SCSI Commands5-18 Quantum DLT 7000 Tape SystemINQUIRY Command (12h) (continued)Table 5–9 contains field descriptions for the data returned by the dr

SCSI CommandsQuantum DLT 7000 Tape System 5-19INQUIRY Command (12h) (continued)Table 5–9 Standard Inquiry Data Page - Field Descriptions (continued

SCSI Commands5-20 Quantum DLT 7000 Tape SystemINQUIRY Command (12h) (continued) BitByte7 6 5 4 3 2 1 036 Product Family (7) Released Firmwa

SCSI CommandsQuantum DLT 7000 Tape System 5-21INQUIRY Command (12h) (continued)Table 5–10 Vendor Unique Inquiry Data Page - Field DescriptionsField

SCSI Commands5-22 Quantum DLT 7000 Tape SystemINQUIRY Command (12h) (continued)5.4.3 Supported Vital Product Data PageThe Supported Vital Product D

SCSI CommandsQuantum DLT 7000 Tape System 5-23INQUIRY Command (12h) (continued) BitByte7 6 5 4 3 2 1 00 Peripheral Qualifier Peripheral De

SCSI Commands5-24 Quantum DLT 7000 Tape SystemINQUIRY Command (12h) (continued)BitByte7 6 5 4 3 2 1 00 Peripheral Qualifier Peripheral Device Type1

SCSI CommandsQuantum DLT 7000 Tape System 5-25INQUIRY Command (12h) (continued) BitByte7 6 5 4 3 2 1 00 Peripheral Qualifier Peripheral Devi

Table of ContentsQuantum DLT 7000 Tape SystemxiiiFigure 5–25 Log Parameters Format for Read/Write Compression Ratio LOG SENSE Page (Parameter Codes

SCSI Commands5-26 Quantum DLT 7000 Tape SystemINQUIRY Command (12h) (continued)Table 5–13 Subsystem Components Revision Page - Field DescriptionsF

SCSI CommandsQuantum DLT 7000 Tape System 5-275.5 LOAD UNLOAD COMMAND (1Bh)The LOAD UNLOAD command tells the target to load or unload the tapemedia i

SCSI Commands5-28 Quantum DLT 7000 Tape SystemLOAD UNLOAD Command (1Bh) (continued)NOTESThe sequential loading feature of the loader can be enabled/

SCSI CommandsQuantum DLT 7000 Tape System 5-29LOAD UNLOAD Command (1Bh) (continued)Table 5–14 LOAD UNLOAD Command Descriptor Block - Field Descript

SCSI Commands5-30 Quantum DLT 7000 Tape System5.6 LOCATE COMMAND (2Bh)The LOCATE command is used to do high-speed positioning to the specifiedblock a

SCSI CommandsQuantum DLT 7000 Tape System 5-31LOCATE Command (2Bh) (continued)Table 5–15 LOCATE Command Descriptor Block - Field DescriptionsField

SCSI Commands5-32 Quantum DLT 7000 Tape System5.7 LOG SELECT COMMAND (4Ch)The LOG SELECT command allows the host to manage statistical informationmai

SCSI CommandsQuantum DLT 7000 Tape System 5-33LOG SELECT Command (4Ch) (continued)Table 5–16 LOG SELECT Command Descriptor Block - Field Descriptio

SCSI Commands5-34 Quantum DLT 7000 Tape SystemLOG SELECT Command (4Ch) (continued)5.7.1 Log Detection Summary in LOG SELECT Command Descriptor Block

SCSI CommandsQuantum DLT 7000 Tape System 5-35LOG SELECT Command (4Ch) (continued)5.7.3 Log Select Page FormatEach log page begins with a 4-byte h

Table of ContentsQuantum DLT 7000 Tape SystemxivFigure 5–60 PREVENT / ALLOW MEDIUM REMOVAL Command Descriptor Block — Data Format...

SCSI Commands5-36 Quantum DLT 7000 Tape SystemLOG SELECT Command (4Ch) (continued) BitByte7 6 5 4 3 2 1 00 -1(MSB)Parameter Code (LSB)2 DU

SCSI CommandsQuantum DLT 7000 Tape System 5-37LOG SELECT Command (4Ch) (continued)Table 5–18 LOG SELECT Log Parameters Field Descriptions (continued

SCSI Commands5-38 Quantum DLT 7000 Tape SystemLOG SELECT Command (4Ch) (continued)Table 5–18 LOG SELECT Log Parameters Field Descriptions (continued

SCSI CommandsQuantum DLT 7000 Tape System 5-395.8 LOG SENSE COMMAND (4Dh)The LOG SENSE command allows the host to retrieve statistical informationmai

SCSI Commands5-40 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)Table 5–19 LOG SENSE Command Descriptor Block - Field Descriptions

SCSI CommandsQuantum DLT 7000 Tape System 5-41LOG SENSE Command (4Dh) (continued)Table 5–19 LOG SENSE Command Descriptor Block - Field Descriptions

SCSI Commands5-42 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)5.8.1 Error Detection Summary in LOG SENSE Command Descriptor Block

SCSI CommandsQuantum DLT 7000 Tape System 5-43LOG SENSE Command (4Dh) (continued)5.8.2 Supported Pages Log Page (Page 00h)When page 00h is request

SCSI Commands5-44 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)5.8.3 Read (Page 03h) / Write (Page 02h) Error LOG SENSE PageEach

SCSI CommandsQuantum DLT 7000 Tape System 5-45LOG SENSE Command (4Dh) (continued) BitByte7 6 5 4 3 2 1 00 -1(MSB)Parameter Code (LSB)2 DU

Table of ContentsQuantum DLT 7000 Tape SystemxvTABLESTable 1–1 DLT 7000 Physical Dimensions...

SCSI Commands5-46 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)Table 5–21 Log Parameters for Read /Write Error LOG SENSE Page Fie

SCSI CommandsQuantum DLT 7000 Tape System 5-47LOG SENSE Command (4Dh) (continued)Table 5–21 Log Parameters for Read / Write Error LOG SENSE Page Fi

SCSI Commands5-48 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)5.8.4 Last n Error Events Page (07h)This page returns one paramete

SCSI CommandsQuantum DLT 7000 Tape System 5-49LOG SENSE Command (4Dh) (continued) BitByte7 6 5 4 3 2 1 00 -1(MSB)Parameter Code (LSB)2 DU

SCSI Commands5-50 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)5.8.5 TapeAlert Page (2Eh)This page returns results of the tape dr

SCSI CommandsQuantum DLT 7000 Tape System 5-51LOG SENSE Command (4Dh) (continued) BitByte7 6 5 4 3 2 1 05n –1 to5n(MSB)Parameter Code

SCSI Commands5-52 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)Table 5–26 TapeAlert Flags, Severity Levels, and MeaningsFlag Seve

SCSI CommandsQuantum DLT 7000 Tape System 5-53LOG SENSE Command (4Dh) (continued)Table 5–26 TapeAlert Flags, Severity Levels, and Meanings (continu

SCSI Commands5-54 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)5.8.6 Read / Write Compression Page (32h)This page begins with a

SCSI CommandsQuantum DLT 7000 Tape System 5-55LOG SENSE Command (4Dh) (continued) BitByte7 6 5 4 3 2 1 00 -1(MSB)Parameter Code (LSB)2 DU

Table of ContentsQuantum DLT 7000 Tape SystemxviTable 4–5 IDENTIFY Message — Field Description ... 4-

SCSI Commands5-56 Quantum DLT 7000 Tape System LOG SENSE Command (4Dh) (continued)BitByte7 6 5 4 3 2 1 00 -1(MSB)Parameter Code (LSB)2 DU DS TSD ETC

SCSI CommandsQuantum DLT 7000 Tape System 5-57LOG SENSE Command (4Dh) (continued)Table 5–29 Log Parameters for Read / Write Compression Ratio LOG S

SCSI Commands5-58 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)Table 5–29 Log Parameters for Read / Write Compression Ratio LOG S

SCSI CommandsQuantum DLT 7000 Tape System 5-59LOG SENSE Command (4Dh) (continued)5.8.7 Device Wellness Page (33h)The Device Wellness Page returns

SCSI Commands5-60 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued) BitByte7 6 5 4 3 2 1 00 Parameter Code1 Reserved2 DU DS T

SCSI CommandsQuantum DLT 7000 Tape System 5-61LOG SENSE Command (4Dh) (continued)Table 5–31 Log Parameters for Device Wellness LOG SENSE Page Field

SCSI Commands5-62 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)5.8.8 Device Status Page (3Eh)The Device Status Page describes t

SCSI CommandsQuantum DLT 7000 Tape System 5-63LOG SENSE Command (4Dh) (continued) BitByte7 6 5 4 3 2 1 00 - 1 Parameter Code2 DU DS TSD ET

SCSI Commands5-64 Quantum DLT 7000 Tape SystemLOG SENSE Command (4Dh) (continued)Table 5–33 Log Parameters for Device Status LOG SENSE Page Field D

SCSI CommandsQuantum DLT 7000 Tape System 5-655.9 MODE SELECT (6) / (10) COMMAND (15h / 55h)The MODE SELECT command (available in either 6- or 10-byte

Table of ContentsQuantum DLT 7000 Tape Systemxvii Descriptions...

SCSI Commands5-66 Quantum DLT 7000 Tape SystemMode Select (6) Command Descriptor Block - Data Format BitByte7 6 5 4 3 2 1 00 Operation Code (

SCSI CommandsQuantum DLT 7000 Tape System 5-67MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–35 MODE SELECT (6)/(10) Command Descr

SCSI Commands5-68 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–36 MODE SELECT Mode Parameter List - F

SCSI CommandsQuantum DLT 7000 Tape System 5-69MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–37 MODE SELECT Mode Parameter Header -

SCSI Commands5-70 Quantum DLT 7000 Tape SystemMODE SELECT (6) /(10) Command (15h) /(55h) (continued)5.9.1.2 Mode Parameter Block DescriptorThe figur

SCSI CommandsQuantum DLT 7000 Tape System 5-71MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–38 MODE SELECT Mode Parameter Block D

SCSI Commands5-72 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–38 MODE SELECT Mode Parameter Block D

SCSI CommandsQuantum DLT 7000 Tape System 5-73MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–39 MODE SELECT Page Descriptor - Field

SCSI Commands5-74 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–40 Error Recovery Page - Field Descri

SCSI CommandsQuantum DLT 7000 Tape System 5-75MODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.3 Disconnect / Reconnect Page (02h)The

Table of ContentsQuantum DLT 7000 Tape SystemxviiiTable 5–73 RESERVE UNIT Command Data — Field Descriptions...5-163Tabl

SCSI Commands5-76 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–41 Disconnect / Reconnect Page - Field

SCSI CommandsQuantum DLT 7000 Tape System 5-77MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–41 Disconnect / Reconnect Page - Field

SCSI Commands5-78 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.4 Control Mode Page (0Ah)The Control Mod

SCSI CommandsQuantum DLT 7000 Tape System 5-79MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–42 Control Mode Page Descriptor - Fiel

SCSI Commands5-80 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.5 Data Compression Page (0Fh)The Data Com

SCSI CommandsQuantum DLT 7000 Tape System 5-81MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–43 Data Compression Page Descriptor -

SCSI Commands5-82 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.6 Device Configuration Page (10h)The De

SCSI CommandsQuantum DLT 7000 Tape System 5-83MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–44 Device Configuration Page - Field

SCSI Commands5-84 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–44 Device Configuration Page - Field D

SCSI CommandsQuantum DLT 7000 Tape System 5-85MODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.7 Medium Partition Page (11h)The drive s

Quantum DLT 7000 Tape SystemxixREVISION HISTORYThis Revision History provides a publications record of this manual. It lists the manual’s revisionleve

SCSI Commands5-86 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–45 Medium Partition Page Descriptor -

SCSI CommandsQuantum DLT 7000 Tape System 5-87MODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.8 TapeAlert Page (1Ch)The drive supports

SCSI Commands5-88 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–46 TapeAlert Page Format Descriptor -

SCSI CommandsQuantum DLT 7000 Tape System 5-89MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–46 TapeAlert Page Format Descriptor -

SCSI Commands5-90 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.9 EEPROM Vendor Unique Page (3Eh)The driv

SCSI CommandsQuantum DLT 7000 Tape System 5-91MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–47 EEPROM Vendor Unique Page Parameter

SCSI Commands5-92 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–47 EEPROM Vendor Unique Page Parameter

SCSI CommandsQuantum DLT 7000 Tape System 5-93MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–47 EEPROM Vendor Unique Page Parameter

SCSI Commands5-94 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–47 EEPROM Vendor Unique Page Parameter

SCSI CommandsQuantum DLT 7000 Tape System 5-95MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–47 EEPROM Vendor Unique Page Parameter

Quantum reserves the right to make changes and improvements to its products, withoutincurring any obligation to incorporate such changes or improvemen

Revision HistoryQuantum DLT 7000 Tape SystemxxManual Number- Revision LevelDate of Release Summary of Changes81-60000-04 June 9, 1999 Entire manual re

SCSI Commands5-96 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–47 EEPROM Vendor Unique Page Parameter

SCSI CommandsQuantum DLT 7000 Tape System 5-97MODE SELECT (6) / (10) Command (15h) / (55h) (continued)Table 5–47 EEPROM Vendor Unique Page Parameter

SCSI Commands5-98 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)As an example of an EEPROM vendor unique page,

SCSI CommandsQuantum DLT 7000 Tape System 5-99MODE SELECT (6) / (10) Command (15h) / (55h) (continued)An example follows that illustrates an EEPROM v

SCSI Commands5-100 Quantum DLT 7000 Tape SystemMODE SELECT (6) / (10) Command (15h) / (55h) (continued)5.9.10 Changeable Parameters within MODE SE

SCSI CommandsQuantum DLT 7000 Tape System 5-1015.10 MODE SENSE (6) / (10) COMMAND (1Ah / 5Ah)The MODE SENSE command allows the drive to report its m

SCSI Commands5-102 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued) BitByte7 6 5 4 3 2 1 00 Operation Cod

SCSI CommandsQuantum DLT 7000 Tape System 5-103MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–49 MODE SENSE Control Descriptor Block

SCSI Commands5-104 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.1 MODE SENSE Data HeadersThe MODE SENSE (6

SCSI CommandsQuantum DLT 7000 Tape System 5-105MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–50 MODE SENSE Data Header - Field Descr

Quantum DLT 7000 Tape System xxiABOUT THIS MANUAL“About this Manual” outlines the scope and contents of this manual. It contains information aboutthe

SCSI Commands5-106 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.2 MODE SENSE Block DescriptorThe following

SCSI CommandsQuantum DLT 7000 Tape System 5-107MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–51 MODE SENSE Block Descriptor - Field

SCSI Commands5-108 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–51 MODE SENSE Block Descriptor - Field

SCSI CommandsQuantum DLT 7000 Tape System 5-109MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–52 MODE SENSE Page Descriptor - Field D

SCSI Commands5-110 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.1 READ / WRITE Error Recovery Page (01h)

SCSI CommandsQuantum DLT 7000 Tape System 5-111MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–53 Read / Write Error Recovery Page - F

SCSI Commands5-112 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.2 DISCONNECT / RECONNECT Page (02h)The t

SCSI CommandsQuantum DLT 7000 Tape System 5-113MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–54 Disconnect / Reconnect Page - Field D

SCSI Commands5-114 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.3 Control Mode Page (0Ah)The Control Mod

SCSI CommandsQuantum DLT 7000 Tape System 5-115MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–55 Control Mode Page - Field Descriptio

About This ManualQuantum DLT 7000 Tape SystemxxiiChapter 2 Hardware ImplementationThis chapter contains configuration and installation information for

SCSI Commands5-116 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.4 Data Compression Page (0Fh)The Data Co

SCSI CommandsQuantum DLT 7000 Tape System 5-117MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–56 Data Compression Page - Field Descri

SCSI Commands5-118 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.5 Device Configuration Page (10h)The tap

SCSI CommandsQuantum DLT 7000 Tape System 5-119MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–57 Device Configuration Page - Field De

SCSI Commands5-120 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–57 Device Configuration Page - Field De

SCSI CommandsQuantum DLT 7000 Tape System 5-121MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.6 Medium Partition Page (11h)The tape dr

SCSI Commands5-122 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–58 Medium Partition Page - Field Descri

SCSI CommandsQuantum DLT 7000 Tape System 5-123MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.7 TapeAlert Page (1Ch)The TapeAlert conf

SCSI Commands5-124 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–59 TapeAlert Page Format Descriptor - Fi

SCSI CommandsQuantum DLT 7000 Tape System 5-125MODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)Table 5–59 TapeAlert Page Format Descriptor - F

About This ManualQuantum DLT 7000 Tape SystemxxiiiAppendix C Updating the FirmwareAppendix C provides a step-by-step procedure for updating a tapesyst

SCSI Commands5-126 Quantum DLT 7000 Tape SystemMODE SENSE (6) / (10) Command (1Ah / 5Ah) (continued)5.10.3.8 EEPROM Vendor Unique Page (3Eh)The tap

SCSI CommandsQuantum DLT 7000 Tape System 5-1275.11 PREVENT / ALLOW MEDIUM REMOVAL COMMAND (1Eh)This command enables or disables the unloading of the

SCSI Commands5-128 Quantum DLT 7000 Tape System5.12 READ COMMAND (08h)This command transfers one or more data blocks or bytes to the initiatorstartin

SCSI CommandsQuantum DLT 7000 Tape System 5-129READ Command (08h)Table 5–61 READ Command Descriptor Block - Field Descriptions (continued)Field Name

SCSI Commands5-130 Quantum DLT 7000 Tape SystemREAD Command (08h)The meaning of EOD is different for a READ command than for a WRITE-relatedcommand.

SCSI CommandsQuantum DLT 7000 Tape System 5-1315.13 READ BLOCK LIMITS COMMAND (05h)The READ BLOCK LIMITS command directs the tape drive to report it’

SCSI Commands5-132 Quantum DLT 7000 Tape SystemREAD BLOCK LIMITS Command (05h) (continued)In SCSI-3 configurations, Byte 0 appears as shown below:0 R

SCSI CommandsQuantum DLT 7000 Tape System 5-1335.14 READ BUFFER COMMAND (3Ch)The READ BUFFER command is used in conjunction with WRITE BUFFER as adiag

SCSI Commands5-134 Quantum DLT 7000 Tape SystemREAD BUFFER Command (3Ch) (continued)Table 5–63 READ BUFFER Command Descriptor Block - Field Descripti

SCSI CommandsQuantum DLT 7000 Tape System 5-135READ BUFFER Command (3Ch) (continued)5.14.1 Combined Header and Data ModeIn this mode, the tape drive

About This ManualQuantum DLT 7000 Tape SystemxxivREADER COMMENTSQuantum is committed to providing the best products and service. We encourageyour comm

SCSI Commands5-136 Quantum DLT 7000 Tape SystemREAD BUFFER Command (3Ch) (continued)5.14.3 Descriptor ModeIn this mode, a maximum of four bytes of RE

SCSI CommandsQuantum DLT 7000 Tape System 5-1375.15 READ POSITION COMMAND (34h)The READ POSITION command is used to read a position identifier or SCS

SCSI Commands5-138 Quantum DLT 7000 Tape SystemREAD POSITION Command (34h) (continued)Data from READ POSITION takes the following format: Bi

SCSI CommandsQuantum DLT 7000 Tape System 5-139READ POSITION Command (34h) (continued)Table 5–66 READ POSITION Data - Field DescriptionsField Name D

SCSI Commands5-140 Quantum DLT 7000 Tape System5.16 RECEIVE DIAGNOSTIC RESULTS COMMAND (1Ch)The RECEIVE DIAGNOSTIC RESULTS command fetches the result

SCSI CommandsQuantum DLT 7000 Tape System 5-141RECEIVE DIAGNOSTIC RESULTS Command (1Ch) (continued)The following data is returned by the drive as a r

SCSI Commands5-142 Quantum DLT 7000 Tape System5.17 RELEASE UNIT COMMAND (17h)The RELEASE UNIT command releases the drive if it is currently reserved

SCSI CommandsQuantum DLT 7000 Tape System 5-143RELEASE UNIT Command (17h) (continued)Media Changer ConsiderationsThe optional Element reservation fea

SCSI Commands5-144 Quantum DLT 7000 Tape System5.18 REQUEST SENSE COMMAND (03h)The REQUEST SENSE command causes the tape drive to transfer detailed s

SCSI CommandsQuantum DLT 7000 Tape System 5-145REQUEST SENSE Command (03h) (continued)The REQUEST SENSE command causes the tape drive to transfer det

Quantum DLT 7000 Tape System 1-1Chapter 1GENERAL DESCRIPTION AND SPECIFICATIONSThis chapter provides a description and gives specifications for the Qu

SCSI Commands5-146 Quantum DLT 7000 Tape SystemREQUEST SENSE Command (03h) (continued) BitByte7 6 5 4 3 2 1 00 Valid Error Code1 Segment Nu

SCSI CommandsQuantum DLT 7000 Tape System 5-147REQUEST SENSE Command (03h) (continued)Table 5–70 REQUEST SENSE Data - Field DescriptionsField Name D

SCSI Commands5-148 Quantum DLT 7000 Tape SystemREQUEST SENSE Command (03h) (continued)Table 5–70 REQUEST SENSE Data — Field Descriptions (continued)

SCSI CommandsQuantum DLT 7000 Tape System 5-149REQUEST SENSE Command (03h) (continued)Table 5–71 Supported Sense KeysSenseKeyDescription0h NO SENSE.

SCSI Commands5-150 Quantum DLT 7000 Tape SystemREQUEST SENSE Command (03h) (continued)The following table provides the additional sense codes (ASCs)

SCSI CommandsQuantum DLT 7000 Tape System 5-151REQUEST SENSE Command (03h) (continued)Table 5–72 Supported ASC / ASCQ in Hex (continued)Sense Key AS

SCSI Commands5-152 Quantum DLT 7000 Tape SystemREQUEST SENSE Command (03h) (continued)Table 5–72 Supported ASC / ASCQ in Hex (continued)Sense Key AS

SCSI CommandsQuantum DLT 7000 Tape System 5-153REQUEST SENSE Command (03h) (continued)Table 5–72 Supported ASC / ASCQ in Hex (continued)Sense Key AS

SCSI Commands5-154 Quantum DLT 7000 Tape SystemREQUEST SENSE Command (03h) (continued)Table 5–72 Supported ASC / ASCQ in Hex (continued)Sense Key AS

SCSI CommandsQuantum DLT 7000 Tape System 5-1555.19 RESERVE UNIT COMMAND (16h)The RESERVE UNIT command reserves the specified tape drive for exclusiv

General Description and Specifications1-2 Quantum DLT 7000 Tape System1.2 PRODUCT FEATURESThe DLT 7000 tape drive offers the following product featur

SCSI Commands5-156 Quantum DLT 7000 Tape SystemRESERVE UNIT Command (16h) (continued)A reservation via the RESERVE UNIT command remains in effect unt

SCSI CommandsQuantum DLT 7000 Tape System 5-1575.20 REWIND COMMAND (01h)The REWIND command directs the tape drive to position the tape at the beginni

SCSI Commands5-158 Quantum DLT 7000 Tape System5.21 SEND DIAGNOSTIC COMMAND (1Dh)The SEND DIAGNOSTIC command directs the tape drive to perform its se

SCSI CommandsQuantum DLT 7000 Tape System 5-159SEND DIAGNOSTIC Command (1Dh) (continued)Two levels of unit-resident diagnostic tests can be accessed:

SCSI Commands5-160 Quantum DLT 7000 Tape SystemSEND DIAGNOSTIC Command (1Dh) (continued)The following table illustrates the possible settings of the

SCSI CommandsQuantum DLT 7000 Tape System 5-161SEND DIAGNOSTIC Command (1Dh) (continued)Table 5–77 SEND DIAGNOSTIC Parameter List - Field Descriptio

SCSI Commands5-162 Quantum DLT 7000 Tape SystemSEND DIAGNOSTIC Command (1Dh) (continued)NOTEBecause of data generation and verification, this test on

SCSI CommandsQuantum DLT 7000 Tape System 5-1635.22 SPACE COMMAND (11h)The SPACE command provides a variety of positioning functions that aredetermi

SCSI Commands5-164 Quantum DLT 7000 Tape SystemSPACE Command (11h) (continued)Table 5–80 SPACE Command Data - Field Descriptions (continued)Field Na

SCSI CommandsQuantum DLT 7000 Tape System 5-1655.23 TEST UNIT READY COMMAND (00h)The TEST UNIT READY command checks the tape drive to ensure that t

General Description and SpecificationsQuantum DLT 7000 Tape System 1-31.3.2 Interface TypeDLT 7000 tape drives are available with narrow SCSI-2 Fast/W

SCSI Commands5-166 Quantum DLT 7000 Tape System5.24 VERIFY COMMAND (13h)The VERIFY command directs the tape drive to verify one or more blocksbeginn

SCSI CommandsQuantum DLT 7000 Tape System 5-167VERIFY Command (13h) (continued)Table 5–81 VERIFY Command Data - Field DescriptionsField Name Descri

SCSI Commands5-168 Quantum DLT 7000 Tape System5.25 WRITE COMMAND (0Ah)The WRITE command transfers one or more blocks from the host to the curren

SCSI CommandsQuantum DLT 7000 Tape System 5-169WRITE Command (0Ah) (continued)Table 5–82 WRITE Command Data — Field Descriptions (continued)Field N

SCSI Commands5-170 Quantum DLT 7000 Tape System5.26 WRITE BUFFER COMMAND (3Bh)The WRITE BUFFER command is used with READ BUFFER as a diagnosticfun

SCSI CommandsQuantum DLT 7000 Tape System 5-171WRITE BUFFER Command (3Bh) (continued)Table 5–83 WRITE BUFFER Command Data - Field DescriptionsField

SCSI Commands5-172 Quantum DLT 7000 Tape SystemWRITE BUFFER Command (3Bh) (continued)5.26.3 Download Microcode Mode (100b)Using buffer offsets, the h

SCSI CommandsQuantum DLT 7000 Tape System 5-1735.27 WRITE FILEMARKS COMMAND (10h)The WRITE FILEMARKS command directs the tape drive to write the spe

SCSI Commands5-174 Quantum DLT 7000 Tape SystemWRITE FILEMARKS Command (10h) (continued)The WRITE FILEMARKS command may be used to force the tape dri

Quantum DLT 7000 Tape System A-1Appendix ADEFINITION OF VENDOR UNIQUE SENSE DATAINFORMATIONThis appendix lists the internal status codes with their de

General Description and Specifications1-4 Quantum DLT 7000 Tape System1.3.5 Performance DataThe following table provides performance data for the DLT

Appendix A: Definition of Vendor Unique Sense Data InformationA-2 Quantum DLT 7000 Tape SystemTable A–1 Internal Status Codes (continued)Decimal Hexa

Appendix A: Definition of Vendor Unique Sense Data InformationQuantum DLT 7000 Tape System A-3Table A–1 Internal Status Codes (continued)Decimal Hexa

Appendix A: Definition of Vendor Unique Sense Data InformationA-4 Quantum DLT 7000 Tape SystemBit 7 Bit 6(Rsv’d)Bit 5(Rsv’d)Bit 4(Rsv’d)Bit 3(Rsv’d)Bi

Quantum DLT 7000 Tape System B-1Appendix BEEPROM-RESIDENT BUGCHECK AND EVENT LOGSThis appendix provides an explanation of the event logs (information

Appendix B: EEPROM-Resident Bugcheck and Event LogsB-2 Quantum DLT 7000 Tape SystemB.2 BUGCHECK PACKETSBugchecks are the result of some software-det

Appendix B: EEPROM-Resident Bugcheck and Event LogsQuantum DLT 7000 Tape System B-3B.2.2 Event Log PacketsEvent log packets are non-fatal and can occ

Appendix B: EEPROM-Resident Bugcheck and Event LogsB-4 Quantum DLT 7000 Tape SystemB.2.3 Directory Failure Event Log PacketsDirectory failure event l

Quantum DLT 7000 Tape System C-1Appendix CUPDATING THE FIRMWAREThis chapter explains how to update the tape drive’s PCBA-resident firmware.C.1 OVERVI

Appendix C: Updating the FirmwareC-2 Quantum DLT 7000 Tape SystemNOTESOn UN*X systems, use the FTP utility to transfer the binary firmwareimage. Be su

Appendix C: Updating the FirmwareQuantum DLT 7000 Tape System C-3NOTEIf the WRITE PROTECT indicator does not blink, check that:1. The Power-On Self T

General Description and SpecificationsQuantum DLT 7000 Tape System 1-51.3.6 Environmental SpecificationsThe following tables provide the operating, no

Appendix C: Updating the FirmwareC-4 Quantum DLT 7000 Tape SystemIf the firmware image is valid, the tape drive’s PCBA controller’s FLASHEEPROM is upd

Appendix C: Updating the FirmwareQuantum DLT 7000 Tape System C-5Table C-2 Results of Firmware UpdateIf... Then...The image is valid 1. The FLASH EE

Appendix C: Updating the FirmwareC-6 Quantum DLT 7000 Tape System

Quantum DLT 7000 Tape Drive D-1Appendix DTHE TAPE CARTRIDGEThis appendix covers:• Tape Cartridge Handling Guidelines (subsection D.1)• Tape Cartridg

Appendix D: The Tape CartridgeD-2 Quantum DLT 7000 Tape Drive• Always observe the proper environmental conditions for thestorage of tape cartridges.

Appendix D: The Tape CartridgeQuantum DLT 7000 Tape Drive D-3• Do not expose the tape cartridge to moisture or direct sunlight.• Do not insert any c

Appendix D: The Tape CartridgeD-4 Quantum DLT 7000 Tape DriveD.2 TAPE CARTRIDGE INSPECTION PROCEDUREEnsure that your tape backup solution performs re

Appendix D: The Tape CartridgeQuantum DLT 7000 Tape Drive D-55. Look at the bottom of the tape cartridge, holding it as shown in Figure D-2.Figure D-

Appendix D: The Tape CartridgeD-6 Quantum DLT 7000 Tape Drive6. Ensure that the tape leader within the tape cartridge is in the correctposition. To d

Appendix D: The Tape CartridgeQuantum DLT 7000 Tape Drive D-77. Figure D-4 shows three different tape cartridge loop problems. No tapecartridge that

USER MANUAL STATEMENTS FOR CLASS A EQUIPMENT (INTEGRATIBLE TAPE SYSTEM)This equipment generates, uses, and may emit radio frequency energy. The equipm

General Description and Specifications1-6 Quantum DLT 7000 Tape SystemTable 1−6 DLT 7000 Operating Shock and Vibration SpecificationsSpecification De

Appendix D: The Tape CartridgeD-8 Quantum DLT 7000 Tape Drive8. Finally, check for proper operation of the tape cartridge’s write-protectswitch (Figu

Appendix D: The Tape CartridgeQuantum DLT 7000 Tape Drive D-9• Move the write-protect switch to the right to disable write protection(existing data o

Appendix D: The Tape CartridgeD-10 Quantum DLT 7000 Tape DriveD.4 LOADING A TAPE CARTRIDGEComplete this subsection to load a tape cartridge into the

Appendix D: The Tape CartridgeQuantum DLT 7000 Tape Drive D-11D.5 UNLOADING A TAPE CARTRIDGEComplete this subsection to unload a tape cartridge. Bec

Appendix D: The Tape CartridgeD-12 Quantum DLT 7000 Tape DriveD.6 USING A CLEANING TAPE CARTRIDGEThis subsection contains information on how and when

Quantum DLT 7000 Tape Drive Index-1IndexAASC/ASCQ codes,REQUEST SENSE, 5-157SEND DIAGNOSTIC, 5-171ABORT message, 4-5Acoustic noise emissions, 1-10Alti

IndexIndex-2 Quantum DLT 7000 Tape DriveEEEPROMEvent log error codes, B-3Packets (last n error events), B-1Resident bugcheck packets, B-2Vendor Unique

IndexQuantum DLT 7000 Tape Drive Index-3NNon-operating shock, 1-5Non-operating vibration, 1-6NO OPERATION message, 4-11OOperation codes, 5-1PParity ch

IndexIndex-4 Quantum DLT 7000 Tape DriveERASE (19h), 5-15INQUIRY (12h), 5-17LOAD UNLOAD (1Bh), 5-29LOCATE (2Bh), 5-33LOG SELECT (4Ch), 5-35LOG SENSE (

IndexQuantum DLT 7000 Tape Drive Index-5UUnit attention condition, 5-10Unloading a cartridge, D-11Updating firmware, C-1VVendor unique page parameters

General Description and SpecificationsQuantum DLT 7000 Tape System 1-7Table 1−7 DLT 7000 Non-Operating Shock and Vibration SpecificationsShock (Unpac

IndexIndex-6 Quantum DLT 7000 Tape Drive

*81-60000-06 A01*81-60000-06 A01501 Sycamore DriveMilpitas, CA 95035(408) 894-4000www.quantum.comApril 4, 200181-60000-06

General Description and Specifications1-8 Quantum DLT 7000 Tape System1.3.7 Power RequirementsThe following table provides the applicable power requir

General Description and SpecificationsQuantum DLT 7000 Tape System 1-91.3.8 Current RequirementsThe following table lists current requirements for the

General Description and Specifications1-10 Quantum DLT 7000 Tape System1.3.9 Acoustic Noise EmissionsThe following tables provide the tape drive’s aco

General Description and SpecificationsQuantum DLT 7000 Tape System 1-111.3.11 DLTtape Recording Media SpecificationsTable 1-13 provides specifications

General Description and Specifications1-12 Quantum DLT 7000 Tape System1.3.12 Electromagnetic EmissionsThe integratible version of the drive complies

General Description and SpecificationsQuantum DLT 7000 Tape System 1-131.3.15 Radiated EmissionsLimits of radiated interference field strength, in th

General Description and Specifications1-14 Quantum DLT 7000 Tape System

Quantum DLT 7000 Tape Drive 2-1Chapter 2HARDWARE IMPLEMENTATIONThis chapter describes how to install the integratible tape drive or “brick” into a rac

USER MANUAL STATEMENTS FOR CLASS A EQUIPMENT (continued)USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT (TABLETOP VERSION)This equipment has been tested

Hardware Implementation2-2 Quantum DLT 7000 Tape Drive2.1.1 Safety PrecautionsFor your safety, follow all safety procedures described here and in othe

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-32.1.3 Electrostatic Discharge (ESD) ProtectionVarious electrical components on/within the tape d

Hardware Implementation2-4 Quantum DLT 7000 Tape DriveDrive configuration for DLT 7000 tape drive includes the following:• Set the SCSI ID for the dr

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-5Figure 2-1 DLT 7000 SCSI ID Jumper Location (Rackmount Version Shown)Table 2-1 SCSI ID Address

Hardware Implementation2-6 Quantum DLT 7000 Tape Drive2.2.2 Configure the Rackmount Drive for TERMPWR (Single-Ended Only)A SCSI bus must be terminate

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-72.2.4 Installing the Rackmount Tape DriveInstalling the tape drive requires securing the drive

Hardware Implementation2-8 Quantum DLT 7000 Tape DriveFigure 2–3 Rackmount Drive Mounting Locations – Side and Bottom ViewsBottom View - Inches (Cen

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-92.2.4.2 Connecting the Rackmount Drive CablesThe three external connectors on the DLT 7000 tap

Hardware Implementation2-10 Quantum DLT 7000 Tape DriveTable 2–2 68-Pin Single-Ended Version SCSI Connector Signal NamesSignal Name Pin Number Pin Nu

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-11Table 2–3 68-Pin Differential Version SCSI Connector Signal NamesSignal Name Pin Number Pin Nu

USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT (continued)

Hardware Implementation2-12 Quantum DLT 7000 Tape DriveTable 2–4 4-Pin Power Connector Pin AssignmentsPin Number Signal Name1 +12 VDC2 Ground (+12 V

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-132.3 CONFIGURING AND INSTALLING A TABLETOP DRIVEThis section provides instructions for configuri

Hardware Implementation2-14 Quantum DLT 7000 Tape Drive2.3.2 Installing the Tabletop DriveInstalling the tape drive consists of connecting SCSI bus an

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-15The ac power cord used with the tabletop tape unit must meet the followingcriteria:• The power

Hardware Implementation2-16 Quantum DLT 7000 Tape DriveNote that the power supply of the tabletop unit has an auto-sensing feature; noadjustment or sw

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-17Table 2–6 LED FunctionalityLED LED Color DescriptionOperate Handle Green On = Insert/Release h

Hardware Implementation2-18 Quantum DLT 7000 Tape DriveTable 2–6 LED Functionality (continued)LED LED Color DescriptionUse Cleaning Tape Amber On = T

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-19Table 2–7 Density LED FunctionalityDensity LED(Amber)Description2.6 On = Tape is recorded in 2

Hardware Implementation2-20 Quantum DLT 7000 Tape DriveTable 2-8 Control FunctionalityControl DescriptionDensity Select Button Refer to subsection 2.

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-212.4.2 Selecting DensityThis subsection describes the drive’s density select features.CAUTIONIf

Hardware Implementation2-22 Quantum DLT 7000 Tape DriveSelecting Density on the Tape DriveTo select density on the tape drive:1. Load the tape cartri

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-23Table 2–9 LED Activity During Density SelectionIf… Then…The density Select Buttonis not usedTh

Hardware Implementation2-24 Quantum DLT 7000 Tape DriveTable 2–10 POST/Media Ready ActivityStage Activity1 The LEDs along the right-hand side of the f

Hardware ImplementationQuantum DLT 7000 Tape Drive 2-252.6 TROUBLESHOOTINGTable 2-12 lists troubleshooting tips in the event that your tape drive fai

Hardware Implementation2-26 Quantum DLT 7000 Tape DriveTable 2–12 Troubleshooting Chart (Continued)If… Then… You Should…System does notrecognize the

Quantum DLT 7000 Tape System 3-1Chapter 3SCSI DESCRIPTIONThis chapter provides a detailed description of the logical interfaces of the tape drive. The

SCSI Description3-2 Quantum DLT 7000 Tape System3.2 SCSI COMMANDSANSI classifies SCSI commands as mandatory, optional, or vendor-specific. Themandator

SCSI DescriptionQuantum DLT 7000 Tape System 3-3Table 3–1 Implemented ANSI SCSI-2 Command (continued)Command Code Class DescriptionMODE SELECT (6) 15

SCSI Description3-4 Quantum DLT 7000 Tape SystemTable 3–1 Implemented ANSI SCSI-2 Command (continued)Command Code Class DescriptionSPACE 11h Mandator

SCSI DescriptionQuantum DLT 7000 Tape System 3-5Table 3–2 Signal SourcesSignalsBus Phase BSY SEL C/D I/OMSG REQACK ATN DB(7–0)DB(P)DB(15-8)DB(P1)B

Quantum DLT 7000 Tape System viiTABLE OF CONTENTSRevision History...

SCSI Description3-6 Quantum DLT 7000 Tape System3.4 SCSI SIGNALSThe following paragraphs define SCSI signals and bus timing values.3.4.1 SCSI Signal

SCSI DescriptionQuantum DLT 7000 Tape System 3-7Table 3–3 SCSI-2 Bus Signal Definitions (continued)Signal DefinitionI/O (input/output) A signal drive

SCSI Description3-8 Quantum DLT 7000 Tape SystemTable 3–4 SCSI Bus Timing Values (continued)Timing Description Value DescriptionBus Clear Delay 800 n

SCSI DescriptionQuantum DLT 7000 Tape System 3-9Table 3–4 SCSI Bus Timing Values (continued)Timing Description Value DescriptionHold Time 45 ns Minim

SCSI Description3-10 Quantum DLT 7000 Tape System3.5 SCSI BUS PHASESThe SCSI architecture includes eight distinct phases:BUS FREE phaseARBITRATION pha

SCSI DescriptionQuantum DLT 7000 Tape System 3-11CAUTIONAny occurrence of a bus parity error (i.e., a single-bit error) shouldbe considered serious: i

SCSI Description3-12 Quantum DLT 7000 Tape SystemIf an initiator detects the release of the BSY signal by the drive at any othertime, the drive is ind

SCSI DescriptionQuantum DLT 7000 Tape System 3-13NOTEStep 4 requires that every device complete the arbitration phase tothe point of SEL being asserte

SCSI Description3-14 Quantum DLT 7000 Tape System3.5.3.1 Selection SequenceThe initiator:1. Sets the DATA BUS to the OR of its SCSI ID bit and the d

SCSI DescriptionQuantum DLT 7000 Tape System 3-15The initiator asserts the RST signal and follows these steps:a) Continues asserting the SEL and ATN

Table of ContentsQuantum DLT 7000 Tape Systemviii2.5 Power On Self Test (POST)... 2

SCSI Description3-16 Quantum DLT 7000 Tape System9. Examines the DATA BUS to determine the SCSI ID of the reselecting drive.10. Asserts the BSY signa

SCSI DescriptionQuantum DLT 7000 Tape System 3-173.5.5 Information Transfer PhasesNOTES1. The tape drive supports wide asynchronous and synchronous d

SCSI Description3-18 Quantum DLT 7000 Tape SystemThe information transfer phases use one or more REQ/ACK handshakes tocontrol the information transfer

SCSI DescriptionQuantum DLT 7000 Tape System 3-19Table 3–5 Information Transfer PhasesMSGSignalC/D I/O Phase Name Direction of Transfer/ Definition0

SCSI Description3-20 Quantum DLT 7000 Tape System3.5.5.1 Asynchronous Data TransferDrive to Initiator Transfer Procedure1. The drive drives the DB (

SCSI DescriptionQuantum DLT 7000 Tape System 3-213.5.5.2 Synchronous Data TransferSynchronous Data Transfer is optional and is only used in DATA phas

SCSI Description3-22 Quantum DLT 7000 Tape SystemInitiator-to-Drive Transfer ProcedureInitiator transfers one byte for each REQ pulse received.1. Dri

SCSI DescriptionQuantum DLT 7000 Tape System 3-23• When switching the DATA BUS from in to out, the drive releases the DATABUS no later than a deskew

SCSI Description3-24 Quantum DLT 7000 Tape SystemNOTESIn contrast to the BUSY status condition, the DRIVE NOT READYSense Key is returned as part of th

SCSI DescriptionQuantum DLT 7000 Tape System 3-25Table 3–7 Drive MESSAGE OUT Phase ResponseATN Signal True in Phase... The Drive Enters MESSAGE OUT…C

Table of ContentsQuantum DLT 7000 Tape SystemixChapter 5: SCSI COMMANDS5.1 Overview of Command and Status Processing ...

SCSI Description3-26 Quantum DLT 7000 Tape System• The tape medium is rewound to Beginning of Partition (BOP, i.e.,Beginning of Tape [BOT]).Note that

Quantum DLT 7000 Tape System 4-1Chapter 4MESSAGESThe SCSI message system allows communication between an initiator and the drive for interfacemanageme

Messages4-2 Quantum DLT 7000 Tape SystemTable 4–1 Message FormatMessage Code Message00h One-byte message (COMMAND COMPLETE)01h Extended message02h –

MessagesQuantum DLT 7000 Tape System 4-3Table 4–2 Supported MessagesMessage Message Code DirectionABORT 06h OutBUS DEVICE RESET 0Ch OutCOMMAND COMPLE

Messages4-4 Quantum DLT 7000 Tape System BitByte7 6 5 4 3 2 1 00 Extended Message (01h)1 Extended Message Length2 Extended Message Code3 to n-1

MessagesQuantum DLT 7000 Tape System 4-54.2 SUPPORTED SCSI MESSAGESFollowing are descriptions of each of the messages supported by the drive.4.2.1 AB

Messages4-6 Quantum DLT 7000 Tape System4.2.4 DISCONNECT Message (04h)The DISCONNECT message is sent from the drive to inform the initiator thatthe

MessagesQuantum DLT 7000 Tape System 4-74.2.5 IDENTIFY Message (80h - FFh)The IDENTIFY message is sent by either the initiator or the drive to estab

Messages4-8 Quantum DLT 7000 Tape System4.2.6 IGNORE WIDE RESIDUE Message (23h)The IGNORE WIDE RESIDUE message is sent by the target to the initiato

MessagesQuantum DLT 7000 Tape System 4-94.2.7 INITIATOR DETECTED ERROR Message (05h)The INITIATOR DETECTED ERROR message is sent from an initiator t