Quantum Instruments DLT 7000 5.8 LOG SENSE COMMAND (4Dh)

SCSI Commands

Quantum DLT 7000 Tape System 5-39

5.8 LOG SENSE COMMAND (4Dh)

The LOG SENSE command allows the host to retrieve statistical information

maintained by the tape drive about its own hardware parameters or about the

installed tape medium. It is a complementary command to LOG SELECT.

Bit

Byte

76543210

0Operation Code (4Dh)

1Logical Unit Number (0) Reserved PPC SP(0)

2PC Page Code

3 - 4 Reserved

5 - 6

(MSB)

Parameter Pointer

(LSB)

7 - 8

(MSB)

Allocation Length

(LSB)

9Unused Reserved Flag Link

Figure 5–16 LOG SENSE Command Descriptor Block - Data Format

Contents

Main Page USER MANUAL STATEMENTS FOR CLASS A EQUIPMENT (INTEGRATIBLE TAPE SYSTEM) USER MANUAL STATEMENTS FOR CLASS A EQUIPMENT (continued) USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT (TABLETOP VERSION) Page Page TABLE OF CONTENTS Page Page Page Page Figures Page Page TABLES Page Page Page Quantum DLT 7000 Tape System xix REVISION HISTORY Page ABOUT THIS MANUAL AUDIENCE PURPOSE DOCUMENT ORGANIZATION Chapter 1 General Description and Specifications Page Appendix C Updating the Firmware Appendix D The Tape Cartridge CONVENTIONS FOR MORE INFORMATION READER COMMENTS Chapter 1 GENERAL DESCRIPTION AND SPECIFICATIONS 1.1 PRODUCT DESCRIPTION 1.2 PRODUCT FEATURES 1.3 PRODUCT SPECIFICATIONS 1.3.1 Physical Specifications 1.3.2 Interface Type 1.3.3 Storage Capacity 1.3.4 Reliability (Projected) 1-4Quantum DLT 7000 Tape System 1.3.5 Performance Data Quantum DLT 7000 Tape System 1-5 1.3.6 Environmental Specifications Table 15 DLT 7000 Storage and Shipping Specifications 1-6Quantum DLT 7000 Tape System Table 16 DLT 7000 Operating Shock and Vibration Specifications Quantum DLT 7000 Tape System 1-7 Table 17 DLT 7000 Non-Operating Shock and Vibration Specifications 1.3.7 Power Requirements 1.3.8 Current Requirements 1.3.9 Acoustic Noise Emissions 1.3.10 Tape System Recording Type 1.3.11 DLTtape Recording Media Specifications 1.3.12 Electromagnetic Emissions 1.3.13 Electromagnetic Interference (EMI) Susceptibility 1.3.14 Conducted Emissions 1.3.15 Radiated Emissions 1.3.16 Susceptibility Page Chapter 2 HARDWARE IMPLEMENTATION 2.1 SAFETY, HANDLING AND ELECTROSTATIC DISCHARGE (ESD) PROTECTION 2.1.1 Safety Precautions 2.1.2 Handling 2.1.3 Electrostatic Discharge (ESD) Protection 2.2 CONFIGURING AND INSTALLING A RACKMOUNT TAPE DRIVE 2.2.1 Setting the Rackmount Drive SCSI ID Quantum DLT 7000 Tape Drive 2-5 2.2.2 Configure the Rackmount Drive for TERMPWR (Single-Ended Only) 2.2.3 Configure The Rackmount Drive for Parity Checking 2.2.4 Installing the Rackmount Tape Drive 2-8Quantum DLT 7000 Tape Drive Figure 23 Rackmount Drive Mounting Locations Side and Bottom Views Page 2-10 Quantum DLT 7000 Tape Drive Table 22 68-Pin Single-Ended Version SCSI Connector Signal Names Quantum DLT 7000 Tape Drive 2-11 Table 23 68-Pin Differential Version SCSI Connector Signal Names Page 2.3 CONFIGURING AND INSTALLING A TABLETOP DRIVE 2.3.1 Configuring the Tabletop Drive 2.3.2 Installing the Tabletop Drive 115 V 220 / 240 V 2.4 DRIVE CONTROLS AND LIGHT EMITTING DIODES (LEDS) 2.4.1 Front Panel Controls and LEDs Quantum DLT 7000 Tape Drive 2-17 Table 26 LED Functionality Page Quantum DLT 7000 Tape Drive 2-19 Table 27 Density LED Functionality 2-20 Quantum DLT 7000 Tape Drive Table 2-8 Control Functionality 2.4.2 Selecting Density Page 2.5 POWER ON SELF TEST (POST) 2-24 Quantum DLT 7000 Tape Drive Table 210 POST/Media Ready Activity Table 211 Tape Drive States Following Initialization Quantum DLT 7000 Tape Drive 2-25 2.6 TROUBLESHOOTING 2-26 Quantum DLT 7000 Tape Drive Table 212 Troubleshooting Chart (Continued) Chapter 3 SCSI DESCRIPTION 3.1 SCSI OVERVIEW 3.2 SCSI COMMANDS Quantum DLT 7000 Tape System 3-3 Table 31 Implemented ANSI SCSI-2 Command (continued) 3.3 SIGNAL STATES 3.3.1 Signal Values 3.3.2 SCSI ID Bits 3-6Quantum DLT 7000 Tape System 3.4 SCSI SIGNALS The following paragraphs define SCSI signals and bus timing values. 3.4.1 SCSI Signal Definitions Table 33 defines the SCSI bus signals. Table 33 SCSI-2 Bus Signal Definitions 3.4.2 Signal Bus Timing 3-8Quantum DLT 7000 Tape System Table 34 SCSI Bus Timing Values (continued) Quantum DLT 7000 Tape System 3-9 Table 34 SCSI Bus Timing Values (continued) 3.5 SCSI BUS PHASES 3.5.1 BUS FREE Phase Page 3.5.2 ARBITRATION Phase 3.5.3 SELECTION Phase Page 3.5.4 RESELECTION Phase Page 3.5.5 Information Transfer Phases Page Quantum DLT 7000 Tape System 3-19 Table 35 Information Transfer Phases Page Page Page Page 3.6 SCSI BUS CONDITIONS 3.6.1 Attention Condition 3.6.2 Reset Condition 3.6.3 Queued Unit Attentions Chapter 4 MESSAGES 4.1 MESSAGE FORMAT Page Page Page 4.2 SUPPORTED SCSI MESSAGES 4.2.1 ABORT Message (06h) 4.2.2 BUS DEVICE RESET Message (0Ch) 4.2.3 COMMAND COMPLETE Message (00h) 4.2.4 DISCONNECT Message (04h) 4.2.5 IDENTIFY Message (80h - FFh) 4.2.6 IGNORE WIDE RESIDUE Message (23h) 4.2.7 INITIATOR DETECTED ERROR Message (05h) 4.2.8 LINKED COMMAND COMPLETE Message (0Ah) 4.2.9 LINKED COMMAND COMPLETE, with Flag Message (0Ah) 4.2.10 MESSAGE PARITY ERROR Message (09h) 4.2.11 MESSAGE REJECT Message (07h) 4.2.12 NO OPERATION (08h) 4.2.13 RESTORE POINTERS Message (03h) 4.2.14 SAVE DATA POINTER Message (02h) 4.2.15 SYNCHRONOUS DATA TRANSFER REQUEST Message (01h) Page 4.2.16 WIDE DATA TRANSFER REQUEST Message (01h) Page Chapter 5 SCSI COMMANDS 5.1 OVERVIEW OF COMMAND AND STATUS PROCESSING 5-2Quantum DLT 7000 Tape System Table 51 Supported SCSI Commands (continued) 5.1.1 SCSI Pointers 5.1.2 Command Descriptor Block Quantum DLT 7000 Tape System 5-5 Table 52 Command Descriptor Block - Field Descriptions 5.1.3 Status/Error Reporting Page 5.1.4 DATA-Phase Command Components Quantum DLT 7000 Tape System 5-9 Table 55 DATA-Phase Command Contents 5.1.5 Unit Attention Condition 5.1.6 Behavior at Power-On and SCSI Bus Reset 5.1.7 Data Cache and Tape Write Interaction 5.2 SCSI COMMAND DESCRIPTIONS Page 5.3 ERASE COMMAND (19h) 5.4 INQUIRY COMMAND (12h) 5.4.1 Standard Inquiry Data Page Quantum DLT 7000 Tape System 5-17 Figure 55 Standard Inquiry Data Page - Data Format 5-18 Quantum DLT 7000 Tape System 5.4.2 Vendor Unique Inquiry Data 5-20 Quantum DLT 7000 Tape System Figure 56 INQUIRY Vendor Unique Bytes Definitions Quantum DLT 7000 Tape System 5-21 Table 510 Vendor Unique Inquiry Data Page - Field Descriptions 5.4.3 Supported Vital Product Data Page Page Page Quantum DLT 7000 Tape System 5-25 Figure 510 Subsystem Components Revision Page (C1h) - Data Format 5-26 Quantum DLT 7000 Tape System INQUIRY Command (12h) (continued) Table 513 Subsystem Components Revision Page - Field Descriptions 5.5 LOAD UNLOAD COMMAND (1Bh) LOAD UNLOAD Command (1Bh) (continued) Quantum DLT 7000 Tape System 5-29 LOAD UNLOAD Command (1Bh) (continued) Table 514 LOAD UNLOAD Command Descriptor Block - Field Descriptions 5.6 LOCATE COMMAND (2Bh) LOCATE Command (2Bh) (continued) 5.7 LOG SELECT COMMAND (4Ch) Quantum DLT 7000 Tape System 5-33 Table 516 LOG SELECT Command Descriptor Block - Field Descriptions 5.7.1 Log Detection Summary in LOG SELECT Command Descriptor Block 5.7.2 Operation of LOG SELECT 5.7.3 Log Select Page Format 5-36 Quantum DLT 7000 Tape System Quantum DLT 7000 Tape System 5-37 LOG SELECT Command (4Ch) (continued) Table 518 LOG SELECT Log Parameters Field Descriptions (continued) LOG SELECT Command (4Ch) (continued) 5.7.4 Error Detection Summary in LOG SELECT Pages 5.8 LOG SENSE COMMAND (4Dh) 5-40 Quantum DLT 7000 Tape System Table 519 LOG SENSE Command Descriptor Block - Field Descriptions Quantum DLT 7000 Tape System 5-41 Table 519 LOG SENSE Command Descriptor Block - Field Descriptions (continued) 5.8.1 Error Detection Summary in LOG SENSE Command Descriptor Block 5.8.2 Supported Pages Log Page (Page 00h) 5.8.3 Read (Page 03h) / Write (Page 02h) Error LOG SENSE Page Quantum DLT 7000 Tape System 5-45 5-46 Quantum DLT 7000 Tape System Table 521 Log Parameters for Read /Write Error LOG SENSE Page Field Descriptions (continued) Page 5.8.4 Last n Error Events Page (07h) Quantum DLT 7000 Tape System 5-49 5.8.5 TapeAlert Page (2Eh) Page 5-52 Quantum DLT 7000 Tape System Table 526 TapeAlert Flags, Severity Levels, and Meanings Quantum DLT 7000 Tape System 5-53 Table 526 TapeAlert Flags, Severity Levels, and Meanings (continued) 5.8.6 Read / Write Compression Page (32h) Quantum DLT 7000 Tape System 5-55 Page Quantum DLT 7000 Tape System 5-57 Page 5.8.7 Device Wellness Page (33h) Page Quantum DLT 7000 Tape System 5-61 Table 531 Log Parameters for Device Wellness LOG SENSE Page Field Descriptions 5.8.8 Device Status Page (3Eh) Page Page 5.9 MODE SELECT (6) / (10) COMMAND (15h / 55h) Page 5.9.1 Mode Parameter List Page Quantum DLT 7000 Tape System 5-69 Table 537 MODE SELECT Mode Parameter Header - Field Descriptions MODE SELECT (6) /(10) Command (15h) /(55h) (continued) Quantum DLT 7000 Tape System 5-71 Table 538 MODE SELECT Mode Parameter Block Descriptor - Field Descriptions Page 5.9.2 READ / WRITE Error Recovery Page (01h) 5-74 Quantum DLT 7000 Tape System Table 540 Error Recovery Page - Field Descriptions Quantum DLT 7000 Tape System 5-75 5.9.3 Disconnect / Reconnect Page (02h) Figure 538 Disconnect / Reconnect Page - Data Format 5-76 Quantum DLT 7000 Tape System Table 541 Disconnect / Reconnect Page - Field Descriptions Quantum DLT 7000 Tape System 5-77 Table 541 Disconnect / Reconnect Page - Field Descriptions (continued) 5.9.4 Control Mode Page (0Ah) Quantum DLT 7000 Tape System 5-79 Table 542 Control Mode Page Descriptor - Field Descriptions 5.9.5 Data Compression Page (0Fh) Quantum DLT 7000 Tape System 5-81 Table 543 Data Compression Page Descriptor - Field Descriptions 5.9.6 Device Configuration Page (10h) Quantum DLT 7000 Tape System 5-83 Table 544 Device Configuration Page - Field Descriptions 5-84 Quantum DLT 7000 Tape System Table 544 Device Configuration Page - Field Descriptions (continued) 5.9.7 Medium Partition Page (11h) 5-86 Quantum DLT 7000 Tape System Table 545 Medium Partition Page Descriptor - Field Descriptions 5.9.8 TapeAlert Page (1Ch) 5-88 Quantum DLT 7000 Tape System Table 546 TapeAlert Page Format Descriptor - Field Descriptions Quantum DLT 7000 Tape System 5-89 Table 546 TapeAlert Page Format Descriptor - Field Descriptions (continued) 5.9.9 EEPROM Vendor Unique Page (3Eh) Quantum DLT 7000 Tape System 5-91 Table 547 EEPROM Vendor Unique Page Parameters 5-92 Quantum DLT 7000 Tape System Quantum DLT 7000 Tape System 5-93 5-94 Quantum DLT 7000 Tape System Quantum DLT 7000 Tape System 5-95 5-96 Quantum DLT 7000 Tape System Quantum DLT 7000 Tape System 5-97 5-98 Quantum DLT 7000 Tape System Figure 545 EEPROM Vendor Unique Page Vendor ID Sample - Data Format Page 5.9.10 Changeable Parameters within MODE SELECT 5.10 MODE SENSE (6) / (10) COMMAND (1Ah / 5Ah) Page Page 5.10.1 MODE SENSE Data Headers Quantum DLT 7000 Tape System 5-105 Table 550 MODE SENSE Data Header - Field Descriptions 5.10.2 MODE SENSE Block Descriptor Quantum DLT 7000 Tape System 5-107 Table 551 MODE SENSE Block Descriptor - Field Descriptions 5.10.3 MODE SENSE Mode Pages Quantum DLT 7000 Tape System 5-109 Table 552 MODE SENSE Page Descriptor - Field Descriptions Page codes and pages that are supported are: Page Quantum DLT 7000 Tape System 5-111 Table 553 Read / Write Error Recovery Page - Field Descriptions Page Quantum DLT 7000 Tape System 5-113 Table 554 Disconnect / Reconnect Page - Field Descriptions Page Quantum DLT 7000 Tape System 5-115 Table 555 Control Mode Page - Field Descriptions Page Quantum DLT 7000 Tape System 5-117 Table 556 Data Compression Page - Field Descriptions Page Quantum DLT 7000 Tape System 5-119 Table 557 Device Configuration Page - Field Descriptions 5-120 Quantum DLT 7000 Tape System Table 557 Device Configuration Page - Field Descriptions (continued) Page 5-122 Quantum DLT 7000 Tape System Table 558 Medium Partition Page - Field Descriptions Page 5-124 Quantum DLT 7000 Tape System Table 559 TapeAlert Page Format Descriptor - Field Descriptions Quantum DLT 7000 Tape System 5-125 Table 559 TapeAlert Page Format Descriptor - Field Descriptions (continued) Page 5.11 PREVENT / ALLOW MEDIUM REMOVAL COMMAND (1Eh) 5.12 READ COMMAND (08h) Page READ Command (08h) 5.13 READ BLOCK LIMITS COMMAND (05h) 5-132 Quantum DLT 7000 Tape System READ BLOCK LIMITS Command (05h) (continued) In SCSI-3 configurations, Byte 0 appears as shown below: Table 562 READ BLOCK LIMITS Data - Field Descriptions 5.14 READ BUFFER COMMAND (3Ch) Page 5.14.1 Combined Header and Data Mode 5.14.2 Data Mode 5.14.3 Descriptor Mode 5.15 READ POSITION COMMAND (34h) 5-138 Quantum DLT 7000 Tape System READ POSITION Command (34h) (continued) Figure 568 READ POSITION - Data Format Data from READ POSITION takes the following format: Quantum DLT 7000 Tape System 5-139 READ POSITION Command (34h) (continued) Table 566 READ POSITION Data - Field Descriptions 5.16 RECEIVE DIAGNOSTIC RESULTS COMMAND (1Ch) RECEIVE DIAGNOSTIC RESULTS Command (1Ch) (continued) 5.17 RELEASE UNIT COMMAND (17h) Page 5.18 REQUEST SENSE COMMAND (03h) Page 5-146 Quantum DLT 7000 Tape System Figure 573 REQUEST SENSE - Data Format Quantum DLT 7000 Tape System 5-147 Table 570 REQUEST SENSE Data - Field Descriptions 5-148 Quantum DLT 7000 Tape System Table 570 REQUEST SENSE Data Field Descriptions (continued) Quantum DLT 7000 Tape System 5-149 Table 571 Supported Sense Keys 5-150 Quantum DLT 7000 Tape System Quantum DLT 7000 Tape System 5-151 5-152 Quantum DLT 7000 Tape System Quantum DLT 7000 Tape System 5-153 Page 5.19 RESERVE UNIT COMMAND (16h) RESERVE UNIT Command (16h) (continued) 5.20 REWIND COMMAND (01h) 5.21 SEND DIAGNOSTIC COMMAND (1Dh) Page 5-160 Quantum DLT 7000 Tape System Figure 577 SEND DIAGNOSTIC Parameter List - Data Format Quantum DLT 7000 Tape System 5-161 Table 577 SEND DIAGNOSTIC Parameter List - Field Descriptions Page 5.22 SPACE COMMAND (11h) SPACE Command (11h) (continued) 5.23 TEST UNIT READY COMMAND (00h) 5.24 VERIFY COMMAND (13h) Quantum DLT 7000 Tape System 5-167 VERIFY Command (13h) (continued) Table 581 VERIFY Command Data - Field Descriptions 5.25 WRITE COMMAND (0Ah) WRITE Command (0Ah) (continued) 5.26 WRITE BUFFER COMMAND (3Bh) WRITE BUFFER Command (3Bh) (continued) 5.26.1 Write Combined Header and Data Mode (000b) 5.26.2 Write Data Mode (010b) WRITE BUFFER Command (3Bh) (continued) 5.26.3 Download Microcode Mode (100b) 5.26.4 Download Microcode and Save Mode (101b) 5.27 WRITE FILEMARKS COMMAND (10h) WRITE FILEMARKS Command (10h) (continued) Appendix A DEFINITION OF VENDOR UNIQUE SENSE DATA INFORMATION A-2Quantum DLT 7000 Tape System Table A1 Internal Status Codes (continued) Quantum DLT 7000 Tape System A-3 Table A1 Internal Status Codes (continued) A-4Quantum DLT 7000 Tape System Figure A-1 Internal Status Bits Table A2 Internal Status Bit Flags Appendix B EEPROM-RESIDENT BUGCHECK AND EVENT LOGS B.1 EEPROM PACKETS (LAST N EVENTS) B.2 BUGCHECK PACKETS B.2.1 POST Failure Packets B.2.2 Event Log Packets B.2.3 Directory Failure Event Log Packets Appendix C UPDATING THE FIRMWARE C.1 OVERVIEW C.2 CREATING A FIRMWARE UPDATE TAPE C.3 FIRMWARE UPDATE PROCEDURE Page C.4 INTERPRETING THE RESULTS OF A FIRMWARE UPDATE Appendix C: Updating the Firmware Quantum DLT 7000 Tape System C-5 Table C-2 Results of Firmware Update Page Appendix D THE TAPE CARTRIDGE D.1 TAPE CARTRIDGE HANDLING GUIDELINES Page Page D.2 TAPE CARTRIDGE INSPECTION PROCEDURE Page Page Page D.3 TAPE CARTRIDGE WRITE-PROTECT SWITCH Page D.4 LOADING A TAPE CARTRIDGE D.5 UNLOADING A TAPE CARTRIDGE Appendix D: The Tape Cartridge D-12 Quantum DLT 7000 Tape Drive D.6 USING A CLEANING TAPE CARTRIDGE Index Page Page Page Page Page Page *81-60000-06 A012