Fujitsu MAA3182FC Series User manual

C141-E054-02EN
MAA3182FC SERIES
MAF3364FC SERIES
MAG3091FC, MAG3182FC SERIES
DISK DRIVES
FIBRE CHANNEL INTERFACE SPECIFICATIONS

C141-E054-02EN i
FOR SAFE OPERATION
Handling of This manual
This manual contains important information for using this product. Read thoroughly before
using the product. Use this product only after thoroughly reading and understanding
especially the section “Important Alert Items” in this manual. Keep this manual handy, and
keep it carefully.
FUJITSU makes every effort to prevent users and bystanders from being injured or from
suffering damange to their property. Use the product according to this manual.
Functional Limitations
There may be certain functional limitations concerning the specifications and functions of the
products covered by this manual depending on the equipment version, especially concerning
the following functions.
Versions in which there functions can be used will be communicated through
“ENGINEERING CHANGE REQUEST/NOTICE”, issued by Fujitsu.
Function Equipment Version Which Supports These Functions
Equipment
Version No. EPROM Version No. Standard INQUIRY Data Product Revision (ASCII)
READ RAM Command These commands cannot be used in the current version.
WRITE RAM
Command
(Proceed to the Copyright Page)

C141-E054-02ENii
Related Standards
Specifications and functions of products covered by this manual comply with the following
standards.
Standard (Text) No. Name Enacting
Organization
NCITS TR-19 FIBRE CHANNEL PRIVATE LOOP
SCSI DIRECT ATTACH (FC-PLDA) American National Standards Institute
(ANSI)
ANSI X3. 230-1994 FIBRE CHANNEL PHYSICAL AND
SIGNALING INTERFACE (FC-PH) American National Standards Institute
(ANSI)
ANSI X3. 297-1996 FIBRE CHANNEL PHYSICAL AND
SIGNALING INTERFACE-2 (FC-PH-2) American National Standards Institute
(ANSI)
ANSI X3. 272-199x FIBRE CHANNEL ARBITRATED
LOOP (FC-AL) American National Standards Institute
(ANSI)
ANSI X3. 269-199x FIBRE CHANNEL PROTOCOL FOR
SCSI (SCSI-FCP) American National Standards Institute
(ANSI)
All Rights Reserved, Copyright 1999 Fujitsu, Limited

C141-E054-02EN iii
REVISION RECORD
Edition Date
published Revised contents
01 April, 1998
02 May, 1999
Specification No.: C141-E054-**EN
The contents of this manual is subject to
change without prior notice.
All Rights Reserved.
Copyright 1999
FUJITSU LIMITED

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C141-E054-02EN v
PREFACE
This manual explains concerning the MAA3182FC (hereinafter described as MAA31xxFC),
MAF3364FC (hereinafter described as MAF33xxFC), MAG3091FC, MAG3182FC
(hereinafter described as MAG3xxxFC) series 3.5 inch hard disk drives with internal Fibre
channel controller.
The purpose of this manual is to provide the specifications and functions of Fibre channel (FC)
for use of these magnetic disk drives incorporated into user systems, and to present the
information necessary for creating host system software. This manual is written for users who
have a basic knowledge of hard disk drives and their use in computer systems.
The composition of manuals related to these disk drives and the range of subjects covered in
this manual are shown in “Manual Organization,” provided on a subsequent page. Please use
these other manuals along with this manual as necessary.
Composition and Contents of This Manual
This manual is composed of the six chapters shown below, a glossary and a list of
abbreviations.
Chapter 1 Fibre Channel Interface
This chapter describes the topology, physical and electrical requirements, interface protocol,
and other operations of the Fibre channel (FC) interface which connects the MAA31xxFC,
MAF33xxFC, MAG3xxxFC.
Chapter 2 Command Processing
This chapter describes the basic logical specifications related to Fibre channel processing.
Chapter 3 Data Buffer Management
This chapter describes the data buffer configuration, data transfer processing functions and
cache operations.
Chapter 4 Command Specifications
This chapter describes detailed command specifications and how to use them.
Chapter 5 Sense Data and Error Recovery Methods
This chapter describes the configuration and contents of sense data which report to the host
system when an error occurs, etc., key information necessary for error recovery, recommended
procedures for error recovery to be executed through host system software and retry
processing.
Chapter 6 Disk Media Management
This chapter describes the procedure for initializing the disk media, methods of treating media
defects and data recovery methods.

vi C141-E054-02EN
Glossary
The glossary explains technical terms which are necessary to the reader’s understanding when
reading this manual.
List of Abbreviations
This list shows the full spelling of abbreviations used in this manual.
The model name of disk drives covered by this manual differs in its ending suffix (Note 1)
depending on its device type (three types), the electrical conditions of the Fibre channel
interface used to connect the disk drive to the host system and its capacity and data format at
the time it was shipped, but in this manual, except in cases where models need to be especially
distinguished, a representative model name (Note 2) is used. In addition, these disk drives are
called Intelligent Disk Drive (IDD), “drive” or “device” in this manual.
Note 1: Model Name
M AF 3364 FC
Interface type FC: Fibre Channel
Formatted capacity (100 MB units)
Disk size 3: 3.5 inch
Type AA: 1.6 inch height, 7,200 rpm
AF: 1.6 inch height, 10,000 rpm
AG: 1 inch height, 10,000 rpm
Warning Indications
The following warning indications are shown in this manual to prevent the user and other
nearby persons or property from being injured or damaged.
IMPORTANT This indicates information that could help the user use the product more
efficiently.
In the text, the alert signal is centered, followed below by the indented message. A wider line
space precedes and follows the alert message to show where the alert message begins and
ends. The following is an example:
(Example)
IMPORTAMT
Before moving the drive, remove the optical disk cartridge to avoid
head or disk damage

C141-E054-02EN vii
Requesting for User’s Comments
Please use the User’s Comment Form attached to the end of this manual to identify user
comments including error, inaccurate and misleading information of this manual. Contact to
your Fujitsu representative for additional comment forms if required.

viii C141-E054-02EN
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C141-E054-02EN ix
Manual Organization
Product Manual 1. Outline
2. Specifications
3. Data Format
4. Installation Conditions
5. Installation Procedure
6. Diagnosis and Maintenance
Interface Specifications
(This Manual) 1. Fibre Channel Interface 2. Command Processing
3. Data Buffer Management
4. Command Specifications
5. Sense Data and Error Recovery Methods
6. Disk Media Management
Maintenance Manual 1. Specifications and Equipment Configuration
2. Maintenance and Diagnosis
3. Troubleshooting
4. Removal and Replacement Procedures
5. Operating Theory

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C141-E054-02EN xi
CONTENTS
page
CHAPTER 1 FIBRE CHANNEL INTERFACE ............................................................ 1-1
1.1 Topologies in Fibre Channel Interface........................................................................... 1-2
1.1.1 Node/Port....................................................................................................................... 1-3
1.1.2 Link................................................................................................................................1-3
1.1.3 Arbitrated Loop..............................................................................................................1-3
1.1.4 Port Bypass Circuit (BC)................................................................................................ 1-3
1.1.5 Encoding & Decoding....................................................................................................1-4
1.1.6 Buffer-to-buffer frame transfer....................................................................................... 1-4
1.2 Information Transmitted on the Loop ............................................................................1-5
1.2.1 Ordered Sets (Refer to FC-PH, Section 11.4).................................................................1-6
1.2.1.1 Primitive Signals............................................................................................................ 1-6
1.2.1.2 Frame Delimiters............................................................................................................ 1-6
1.2.1.3 Primitive Sequence.........................................................................................................1-6
1.2.2 Frame Structure (Refer to FC-PH, Chapter 17).............................................................. 1-7
1.3 Physical Requirements, Electrical Requirements...........................................................1-10
1.3.1 Interface connector.........................................................................................................1-10
1.3.2 Signal function in SFF8045 mode.................................................................................. 1-12
1.3.3 Signal function in SFF8067 mode.................................................................................. 1-17
1.4 Drive Operation on the Loop .........................................................................................1-18
1.4.1 Loop Initialization..........................................................................................................1-18
1.4.2 Arbitration......................................................................................................................1-23
1.4.3 Communication between Initiator and Target................................................................ 1-24
1.5 Ordered Sets (Refer to FC-PH, Section 11.4 and FC-AL, Chapter 6) ............................ 1-26
1.6 Basic Link Service .........................................................................................................1-27
1.6.1 Abort Sequence (ABTS) ................................................................................................1-29
1.6.2 Basic Access (BA_ACC) ...............................................................................................1-30
1.6.3 Basic Reject (BA_RJT).................................................................................................. 1-31
1.7 Extended Link Service................................................................................................... 1-32
1.7.1 Port Login (PLOGI/PLOGI_ACC)................................................................................. 1-34
1.7.1.1 Port/Node Name format .................................................................................................1-35
1.7.1.2 Common Service Parameter........................................................................................... 1-36
1.7.1.3 Class 3 Service Parameter.............................................................................................. 1-38

xii C141-E054-02EN
1.7.2 Port Logout (LOGO/LOGO_ACC)................................................................................ 1-40
1.7.3 Process Login (PRLI/PRLI_ACC)................................................................................. 1-41
1.7.3.1 Service Parameter pages................................................................................................. 1-42
1.7.3.2 Service Parameter Response pages................................................................................. 1-43
1.7.4 Process Logout (PRLO/PRLO_ACC)............................................................................ 1-45
1.7.4.1 Logout Parameter pages................................................................................................. 1-46
1.7.4.2 Logout Parameter Response pages................................................................................. 1-47
1.7.5 Port Discovery (PDISC/PDISC_ACC)........................................................................... 1-48
1.7.6 Discover Address (ADISC/ADISC_ACC).....................................................................1-49
1.7.7 Reinstate Recovery Qualifier (RRQ/RRQ_ACC)........................................................... 1-50
1.7.8 Read Link Error Status Block (RLS/RLS_ACC) ...........................................................1-51
1.7.9 Third Party Process Logout (TRRLO/TRRLO_ACC) ...................................................1-52
1.7.9.1 Logout Parameter pages................................................................................................. 1-53
1.7.10 Link Service Reject (LS_RJT) .......................................................................................1-54
1.8 Extended Link Service (Loop Initialization)..................................................................1-56
1.8.1 Loop Initialization Select Master (LISM) ......................................................................1-57
1.8.2 Assign AL_PA frame (LIFA, LIPA, LIHA, LISA) ........................................................ 1-58
1.8.3 Position Map Information (LIRP, LILP)........................................................................1-59
1.9 FC-4 Device Data........................................................................................................... 1-60
1.9.1 FCP CMND ................................................................................................................... 1-60
1.9.1.1 Control Field (FCP_CNTL) ...........................................................................................1-62
1.9.1.2 Command Descriptor Block........................................................................................... 1-63
1.9.2 FCP XFER RDY............................................................................................................ 1-64
1.9.3 FCP DATA .................................................................................................................... 1-66
1.9.4 FCP RSP ........................................................................................................................1-69
1.9.4.1 FCP Status...................................................................................................................... 1-71
1.9.4.2 FCP Response Information ............................................................................................1-71
1.9.4.3 FCP Sense Information ..................................................................................................1-72
1.10 Errors on Loop (Refer to FP-PH, Section 29.9) .............................................................1-73
1.11 Enclosure Service Interface (ESI)................................................................................... 1-75
1.11.1 Mode deifinition process................................................................................................ 1-75
1.11.2 Discovery phase.............................................................................................................1-76
1.11.3 COMMAND phase ........................................................................................................1-77
1.11.4 READ/WRITE phase..................................................................................................... 1-78
1.11.5 SES sense codes............................................................................................................. 1-78
1.12 Public Loop....................................................................................................................1-79

C141-E054-02EN xiii
1.13 Dual Loop ......................................................................................................................1-80
CHAPTER 2 COMMAND PROCESSING..................................................................... 2-1
2.1 Command Format ..........................................................................................................2-1
2.2 Status Byte..................................................................................................................... 2-6
2.3 Outline of Command Processing.................................................................................... 2-8
2.3.1 Single commands........................................................................................................... 2-8
2.3.2 Command link................................................................................................................2-14
2.4 Command Queuing Function.........................................................................................2-15
2.4.1 Untagged queuing..........................................................................................................2-15
2.4.2 Tagged queuing..............................................................................................................2-15
2.5 UNIT ATTENTION Condition...................................................................................... 2-17
2.5.1 Generation of the UNIT ATTENTION condition ..........................................................2-17
2.5.2 Response and Release Condition at UNIT ATTENTION Condition Hold State............2-17
2.5.3 UNIT ATTENTION condition multiple hold.................................................................2-18
2.6 Sense Data Hold State.................................................................................................... 2-19
2.7 Command Processing Exceptions.................................................................................. 2-19
2.7.1 Overlapping commands .................................................................................................2-19
2.7.2 Illegal LUN specification............................................................................................... 2-20
2.7.3 Reserved operation code ................................................................................................2-20
2.7.4 Command processing in the not ready state................................................................... 2-20
2.7.5 Error recovery processing ..............................................................................................2-22
2.7.6 Reset processing............................................................................................................. 2-23
2.7.7 Fatal hardware errors......................................................................................................2-26
2.8 Data Block Addressing ..................................................................................................2-27
2.8.1 Definition of data space..................................................................................................2-27
2.8.2 Logical block addressing................................................................................................ 2-29
CHAPTER 3 DATA BUFFER MANAGEMENT...........................................................3-1
3.1 Data Buffer .................................................................................................................... 3-1
3.1.1 Data buffer configuration and basic operation ...............................................................3-1
3.1.2 Operation mode setting.................................................................................................. 3-5
3.2 Look-Ahead Cache Feature............................................................................................ 3-7
3.2.1 Caching operation.......................................................................................................... 3-7
3.2.2 Caching parameters........................................................................................................ 3-9

xiv C141-E054-02EN
3.2.3 Look-Ahead operation, Look-Ahead volume................................................................. 3-10
3.3 Write Cache....................................................................................................................3-11
CHAPTER 4 COMMAND SPECIFICATIONS............................................................. 4-1
4.1 Control/Sense Commands.............................................................................................. 4-1
4.1.1 TEST UNIT READY (00).............................................................................................. 4-1
4.1.2 INQUIRY (12) .............................................................................................................. 4-2
4.1.3 READ CAPACITY (25) ................................................................................................ 4-10
4.1.4 MODE SELECT (15) ....................................................................................................4-12
4.1.5 MODE SELECT EXTENDED (55) .............................................................................. 4-61
4.1.6 MODE SENSE (1A) .....................................................................................................4-63
4.1.7 MODE SENSE EXTENDED (5A) ................................................................................ 4-69
4.1.8 REZERO UNIT (01) ..................................................................................................... 4-71
4.1.9 START/STOP UNIT (1B) ............................................................................................. 4-71
4.1.10 RESERVE (16) .............................................................................................................4-73
4.1.11 RESERVE EXTENDED (56)......................................................................................... 4-75
4.1.12 RELEASE (17) ..............................................................................................................4-77
4.1.13 RELEASE EXTENDED (57)......................................................................................... 4-78
4.1.14 REQUEST SENSE (03) .................................................................................................4-79
4.2 Data Access Commands................................................................................................. 4-81
4.2.1 READ (08) .................................................................................................................... 4-81
4.2.2 READ EXTENDED (28) .............................................................................................. 4-82
4.2.3 WRITE (0A) ..................................................................................................................4-83
4.2.4 WRITE EXTENDED (2A) ............................................................................................ 4-85
4.2.5 WRITE AND VERIFY (2E) .........................................................................................4-86
4.2.6 VERIFY (2F) ................................................................................................................ 4-87
4.2.7 SEEK (0B) ....................................................................................................................4-89
4.2.8 SEEK EXTENDED (2B) ............................................................................................... 4-90
4.2.9 SYNCHRONIZE CACHE (35) .....................................................................................4-91
4.3 Format Commands.........................................................................................................4-92
4.3.1 FORMAT UNIT (04) .................................................................................................... 4-92
4.3.2 REASSIGN BLOCKS (07)............................................................................................ 4-103
4.3.3 READ DEFECT DATA (37).......................................................................................... 4-107
4.4 Maintenance, Diagnostic Commands.............................................................................4-112
4.4.1 SEND DIAGNOSTIC (1D)............................................................................................ 4-112

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4.4.2 RECEIVE DIAGNOSTIC RESULTS (1C).................................................................... 4-118
4.4.3 WRITE BUFFER (3B)................................................................................................... 4-122
4.4.4 READ BUFFER (3C).....................................................................................................4-127
4.4.5 READ LONG (3E) ........................................................................................................ 4-131
4.4.6 WRITE LONG (3F) ......................................................................................................4-133
CHAPTER 5 SENSE DATA AND ERROR RECOVERY METHODS .......................5-1
5.1 Sense Data...................................................................................................................... 5-1
5.1.1 Sense data format...........................................................................................................5-1
5.1.2 Sense data basic information.......................................................................................... 5-3
5.1.3 Sense data additional information.................................................................................. 5-9
5.2 INIT Error Recovery Methods (Recommended)............................................................ 5-10
5.2.1 Termination status analysis and error recovery methods................................................ 5-10
5.2.2 Sense data analysis and error recovery methods ............................................................5-12
5.2.3 Error logging.................................................................................................................. 5-19
5.3 Disk Drive Error Recovery Processing........................................................................... 5-20
5.3.1 Error states and retry processing procedures.................................................................. 5-20
5.3.2 Auto alternate block allocation processing..................................................................... 5-21
5.3.3 Error recovery processing control ..................................................................................5-22
CHAPTER 6 DISK MEDIA MANAGEMENT.............................................................. 6-1
6.1 Defect Management .......................................................................................................6-1
6.2 Disk Media Initialization................................................................................................ 6-4
6.2.1 Initialization during installation .....................................................................................6-4
6.2.2 Re-initialization.............................................................................................................. 6-5
6.3 Data Block Verification Methods (Recommended) .......................................................6-7
6.4 Alternate Block Allocation Processing........................................................................... 6-9
Glossary...................................................................................................................................... GL-1
Abbreviations .............................................................................................................................AB-1
Index............................................................................................................................................IN-1

xvi C141-E054-02EN
FIGURES
Pages
1.1 Example of FC-AL connection ......................................................................................1-2
1.2 Port Bypass Circuit ........................................................................................................1-3
1.3 Buffer to Buffer Data Transfer .......................................................................................1-4
1.4 Format of Ordered Sets ..................................................................................................1-6
1.5 Frame Format................................................................................................................. 1-7
1.6 Examples of Exchange................................................................................................... 1-9
1.7 SCA2 type interface connector (IDD)............................................................................1-10
1.8 Locations of connectors .................................................................................................1-11
1.9 Fibre Channel output circuit........................................................................................... 1-16
1.10 Fibre Channel input circuit............................................................................................. 1-16
1.11 Process for selecting Loop master.................................................................................. 1-21
1.12 Loop Master Operation ..................................................................................................1-22
1.13 Command Transfer.........................................................................................................1-24
1.14 Transfer Ready (X_RDY), Response Transfer (RSP) ....................................................1-24
1.15 Write Data Transfer........................................................................................................1-25
1.16 Read Data Transfer.........................................................................................................1-25
1.17 Data Transfer Protocol ...................................................................................................1-75
1.18 Discovery (DISCOV.) process flow............................................................................... 1-76
1.19 COMMAND, WRITE phase.......................................................................................... 1-77
1.20 Byte/Bit alignment in ESI.............................................................................................. 1-78
1.21 READ phase................................................................................................................... 1-78
1.22 Public Loop Configuration............................................................................................. 1-79
1.23 General Public Loop Initialization sequence.................................................................. 1-80
2.1 6-Byte CDB Basic Format ............................................................................................. 2-2
2.2 10-Byte CDB Basic Format ........................................................................................... 2-2
2.3 Supported Status Bytes ..................................................................................................2-6
2.4 General read data transfer sequence ...............................................................................2-8
2.5 General write data transfer sequence.............................................................................. 2-9
2.6 Combination of SOF and EOF Primitives Used for transferring frames ........................ 2-11
2.7 Example of Establishing Logical Connections Between the INIT and IDD...................2-12
2.8 Loop initialization after establishing connections with the INIT, and subsequent
processing ......................................................................................................................2-13
2.9 TARGET RESET Outline Sequence.............................................................................. 2-24

C141-E054-02EN xvii
2.10 Data space configuration................................................................................................ 2-28
3.1 Data buffer configuration (in the case of 4 cache segments)..........................................3-2
3.2 Example of data buffer operation during read................................................................ 3-3
3.3 Example of data buffer operation during write............................................................... 3-4
3.4 Parameters for controlling reconnection timing ............................................................. 3-5
3.5 Cache control parameters............................................................................................... 3-9
4.1 Standard INQUIRY data ................................................................................................4-3
4.2 VPD Information: VPD identifier list............................................................................. 4-7
4.3 VPD Information: device serial No................................................................................ 4-8
4.4 VPD Information: operation mode................................................................................. 4-9
4.5 READ CAPACITY data.................................................................................................4-11
4.6 MODE SELECT parameter structure............................................................................. 4-14
4.7 MODE SELECT command (Group 0) parameter configuration .................................... 4-16
4.8 MODE SELECT parameters: read/write error recovery parameters...............................4-21
4.9 MODE SELECT parameters: disconnect/reconnect parameters.....................................4-29
4.10 MODE SELECT parameters: format parameters............................................................ 4-34
4.11 MODE SELECT parameters: drive parameters.............................................................. 4-38
4.12 MODE SELECT parameters: verify error recovery parameters .....................................4-41
4.13 MODE SELECT parameters: caching parameters..........................................................4-43
4.14 MODE SELECT parameters: control mode parameters.................................................4-48
4.15 MODE SELECT parameters: additional error recovery parameters...............................4-59
4.16 MODE SELECT EXTENDED command (Group 2) parameter configuration............... 4-62
4.17 MODE SENSE command (Group 0) parameter configuration.......................................4-66
4.18 MODE SENSE EXTENDED command (Group 2) parameter configuration.................4-70
4.19 FORMAT UNIT command parameter list configuration ............................................... 4-95
4.20 Defect descriptor: Byte distance from index format....................................................... 4-98
4.21 Defect descriptor: physical sector address format .......................................................... 4-99
4.22 REASSIGN BLOCK command: defect data list configuration......................................4-104
4.23 READ DEFECT DATA command: defect data configuration.......................................4-108
4.24 SEND DIAGNOSTIC command: parameter list configuration...................................... 4-115
4.25 SEND DIAGNOSTIC parameters: page code list .......................................................... 4-116
4.26 SEND DIAGNOSTIC parameters: logical/physical address conversion........................4-116
4.27 RECEIVE DIAGNOSTIC RESULTS command: Response data configuration ............4-119
4.28 RECEIVE DIAGNOSTIC RESULTS response data: page code list..............................4-120
4.29 RECEIVE DIAGNOSTIC RESULTS response data: logical/physical address conversion ..4-120
4.30 WRITE BUFFER command: buffer data (Mode = 000, 001) ........................................ 4-123

xviii C141-E054-02EN
4.31 READ BUFFER command: buffer data (Mode = 000, 001)..........................................4-128
4.32 READ BUFFER command: buffer descriptor................................................................ 4-130
5.1 Expanded sense data format........................................................................................... 5-2
5.2 Sense key inherent information...................................................................................... 5-4
5.3 Analysis of the termination status.................................................................................. 5-10

C141-E054-02EN xix
TABLES
1.1 Data category on the Loop............................................................................................. 1-5
1.2 Frame header format ......................................................................................................1-7
1.3 FC-SCA connector: CN1 .............................................................................................. 1-11
1.4 Charge supply to the drive .............................................................................................1-12
1.5 Characteristics of Fault LED out signal.......................................................................... 1-12
1.6 Definition of motor start/mated control.......................................................................... 1-13
1.7 Electric requirement for input control. ...........................................................................1-13
1.8 Electric requirement for SEL_n inputs...........................................................................1-14
1.9 Arbitrated loop physical address (AL_PA) values ......................................................... 1-15
1.10 Output Characteristics of -Parallel ESI........................................................................... 1-17
1.11 AL_PA value/priority.....................................................................................................1-19
1.12 LIP sequences ................................................................................................................ 1-20
1.13 Ordered Sets Specification............................................................................................. 1-26
1.14 Basic Link Data Specification........................................................................................ 1-27
1.15 Extended Link Data Specification.................................................................................. 1-32
1.16 Detail errors and action ..................................................................................................1-73
1.17 Actions by recipient .......................................................................................................1-74
1.18 COMMAND bytes definition......................................................................................... 1-77
1.19 ASC/ASCQ defined for ESI conditions .........................................................................1-78
1.20 Transmitting and receiving of frames at the interface ....................................................1-80
2.1 Sense data in not ready state ..........................................................................................2-21
2.2 Outline of disk drive error recovery processing ............................................................. 2-23
2.3 Comparison between FC and SCSI about definition...................................................... 2-23
2.4 Reset processing during write ........................................................................................2-26
4.1 Combination of error recovery flags ..............................................................................4-25
4.2 MODE SENSE Data Type Specifications...................................................................... 4-65
4.3 FORMAT UNIT command defect processing................................................................ 4-101
4.4 Error recovery control flags during the self-diagnosis test ............................................4-113
5.1 Sense key .......................................................................................................................5-5
5.2 Sense and subsense codes ..............................................................................................5-6
5.3 Sense data error classification ........................................................................................5-13
5.4 Error recovery processing procedures............................................................................5-15
5.5 Disk drive errors and number of retries..........................................................................5-24