Manuali utente per Fujitsu MAN3735

Sommario

• Copyright

  2
• REVISION RECORD

  5
• PREFACE

  6
• Manual Organization

  9
• CONTENTS

  10
  • FIGURES

    15
  • TABLES

    16
• CHAPTER 1 COMMAND PROCESSING

  17
  • 1.1 Command Format

    17
  • 1.2 Status Byte

    23
  • 1.3 Outline of Command Processing

    26
    • 1.3.1 Single commands

      26
    • 1.3.2 Command link

      27
    • 1.3.3 Disconnect/reconnect processing

      29
    • 1.3.4 Synchronous mode data transfer/wide mode data transfer

      33
  • 1.4 Command Queuing Function

    35
    • 1.4.1 Untagged queuing

      35
    • 1.4.2 Tagged queuing

      37
  • 1.5 UNIT ATTENTION Condition

    39
    • 1.5.1 Generation of the UNIT ATTENTION condition

      39
    • 1.5.2 Response and Release Condition at UNIT ATTENTION Condition Hold State

      40
    • 1.5.3 UNIT ATTENTION condition multiple hold

      41
  • 1.6 Sense Data Hold State

    42
    • 1.6.1 Sense data hold condition

      42
    • 1.6.2 Response and release conditions at sense data hold state

      43
  • 1.7 Command Processing Exceptions

    44
    • 1.7.1 Overlapping commands

      44
    • 1.7.2 Illegal LUN specification

      45
    • 1.7.3 Reserved operation code

      45
    • 1.7.4 Command processing in the not ready state

      45
    • 1.7.5 Error recovery processing

      47
    • 1.7.6 Reset processing

      49
    • 1.7.7 Fatal hardware errors

      51
  • 1.8 Data Block Addressing

    52
    • 1.8.1 Definition of data space

      52
    • 1.8.2 Logical block addressing

      54
• CHAPTER 2 DATA BUFFER MANAGEMENT

  55
  • 2.1 Data Buffer

    55
    • 2.1.1 Data buffer configuration and basic operation

      55
    • 2.1.2 Operation mode setting

      59
  • 2.2 Look-Ahead Cache Feature

    61
    • 2.2.1 Caching operation

      61
    • 2.2.2 Caching parameters

      63
    • 2.2.3 Look-Ahead operation, Look-Ahead volume

      64
  • 2.3 Write Cache

    65
• CHAPTER 3 COMMAND SPECIFICATIONS

  66
  • 3.1 Control/Sense Commands

    66
    • 3.1.1 TEST UNIT READY (00)

      66
    • 3.1.2 INQUIRY (12)

      67
    • 3.1.3 READ CAPACITY (25)

      79
    • 3.1.4 CHANGE DEFINITION (40)

      81
    • 3.1.5 MODE SELECT (15)

      86
    • 3.1.6 MODE SELECT EXTENDED (55)

      95
    • 3.1.7 MODE SENSE (1A)

      97
    • 3.1.8 MODE SENSE EXTENDED (5A)

      103
    • 3.1.9 REZERO UNIT (01)

      105
    • 3.1.10 START/STOP UNIT (1B)

      106
    • 3.1.11 RESERVE (16)

      108
    • 3.1.12 RESERVE EXTENDED (56)

      112
    • 3.1.13 RELEASE (17)

      113
    • 3.1.14 RELEASE EXTENDED (57)

      114
    • 3.1.15 REQUEST SENSE (03)

      115
    • 3.1.16 LOG SELECT (4C)

      117
    • 3.1.17 LOG SENSE (4D)

      121
    • 3.1.18 PERSISTENT RESERVE IN (5E)

      123
    • 3.1.19 PERSISTENT RESERVE OUT (5F)

      130
    • 3.1.20 REPORT LUNS (A0)

      134
    • 3.1.21 REPORT DEVICE IDENTIFIER (A3)

      136
    • 3.1.22 SET DEVICE IDENTIFIER (A4)

      138
  • 3.2 Data Access Commands

    140
    • 3.2.1 READ (08)

      140
    • 3.2.2 READ EXTENDED (28)

      141
    • 3.2.3 WRITE (0A)

      142
    • 3.2.4 WRITE EXTENDED (2A)

      143
    • 3.2.5 WRITE AND VERIFY (2E)

      144
    • 3.2.6 VERIFY (2F)

      145
    • 3.2.7 SEEK (0B)

      146
    • 3.2.8 SEEK EXTENDED (2B)

      147
    • 3.2.9 SET LIMITS (33) (Not Supported)

      148
    • 3.2.10 SYNCHRONIZE CACHE (35)

      151
  • 3.3 Format Commands

    152
    • 3.3.1 FORMAT UNIT (04)

      152
    • 3.3.2 REASSIGN BLOCKS (07)

      163
    • 3.3.3 READ DEFECT DATA (37)

      167
  • 3.4 Maintenance, Diagnostic Commands

    172
    • 3.4.1 SEND DIAGNOSTIC (1D)

      172
    • 3.4.2 RECEIVE DIAGNOSTIC RESULTS (1C)

      179
    • 3.4.3 WRITE BUFFER (3B)

      183
    • 3.4.4 READ BUFFER (3C)

      189
    • 3.4.5 READ LONG (3E)

      194
    • 3.4.6 WRITE LONG (3F)

      196
    • 3.4.7 WRITE SAME (41)

      198
• CHAPTER 4 PARAMETER DATA FORMATS

  199
  • 4.1 Mode Parameters

    199
    • 4.1.1 Read/Write error recovery parameters (page code = 1)

      199
    • 4.1.2 Disconnect/reconnect parameters (page code = 2)

      209
    • 4.1.3 Format parameter (page code = 3)

      213
    • 4.1.4 Drive parameter (page code = 4)

      217
    • 4.1.5 Verify error recovery parameters (page code = 7)

      219
    • 4.1.6 Caching parameters (page code = 8)

      221
    • 4.1.7 Control mode parameters (page code = 0A)

      227
    • 4.1.8 Notch parameter (page code = 0C)

      231
    • 4.1.9 Informational exceptions control page (page code = 1C)

      233
    • 4.1.10 Additional error recovery parameters (page code = 21)

      237
  • 4.2 Log Parameters

    238
    • 4.2.1 Supprot log page (X'00')

      238
    • 4.2.2 Buffer overrun / underrun page (X'01')

      239
    • 4.2.3 Write error count page (X'02')

      241
    • 4.2.4 Read error count page (X'03')

      244
    • 4.2.5 Verify error count page (X'05')

      248
    • 4.2.6 Non-medium error count page (X'06')

      251
    • 4.2.7 Temperature page (X'0D')

      252
    • 4.2.8 Start-stop cycle counter page (X'0E')

      253
    • 4.2.9 Application client page (X'0F')

      256
    • 4.2.10 Self-test result page (X'10')

      257
    • 4.2.11 SMART status page (X'2F')

      259
    • 4.2.12 SMART data page (X'38')

      259
• CHAPTER 5 SENSE DATA ERROR RECOVERY METHODS

  260
  • 5.1 Sense Data

    260
    • 5.1.1 Sense data format

      260
    • 5.1.2 Sense data basic information

      262
    • 5.1.3 Sense data additional information

      270
  • 5.2 INIT Error Recovery Methods (Recommended)

    271
    • 5.2.1 Termination status analysis and error recovery methods

      271
    • 5.2.2 Sense data analysis and error recovery methods

      274
    • 5.2.3 Error logging

      282
  • 5.3 Disk Drive Error Recovery Processing

    283
    • 5.3.1 Error states and retry processing procedures

      283
    • 5.3.2 Auto alternate block allocation processing

      284
    • 5.3.3 Error recovery processing control

      286
• CHAPTER 6 DISK MEDIA MANAGEMENT

  288
  • 6.1 Defect Management

    288
  • 6.2 Disk Media Initialization

    291
    • 6.2.1 Initialization during installation

      291
    • 6.2.2 Re-initialization

      292
  • 6.3 Data Block Verification Methods (Recommended)

    294
  • 6.4 Alternate Block Allocation Processing

    296
• Glossary

  297
• Abbreviations

  299
• Reader Comment Form

  301
• Back Title

  302