Manuali utente per Fujitsu MBA3147RC

Sommario

• Front Cover

  1
• FOR SAFE OPERATION

  2
• Revision History

  3
• Preface

  5
• Contents

  11
• Illustrations

  19
• CHAPTER 1 SAS Interface

  25
  • 1.1 Topologies in SAS Interface

    26
    • 1.1.1 SAS Layering

      27
    • 1.1.2 Physical links and phys

      28
    • 1.1.3 Ports (narrow ports and wide ports)

      28
    • 1.1.4 SAS devices

      30
    • 1.1.5 Pathways

      31
    • 1.1.6 Connections

      32
  • 1.2 Names and identifiers

    32
    • 1.2.1 SAS addresses

      32
    • 1.2.2 Hashed SAS address

      34
  • 1.3 Phy layer

    34
    • 1.3.1 8b10b coding

      34
    • 1.3.2 Link reset sequence

      35
    • 1.3.3 Start conditions of the link reset sequence

      36
    • 1.3.4 Out of band (OOB) signals

      37
    • 1.3.5 SAS OOB sequency

      40
      • 1.3.5.1 Exception handling in the OOB sequence

        42
    • 1.3.6 SAS speed negotiation sequence

      42
      • 1.3.6.1 Phy reset sequence after devices are attached

        45
      • 1.3.6.2 When the speed negotiation sequence is successful

        47
      • 1.3.6.3 Exception handling in the speed negotiation sequence

        47
    • 1.3.7 Phy layer dword synchronization (DWS)

      47
  • 1.4 Link layer

    48
    • 1.4.1 Primitives

      48
    • 1.4.2 Primitive sequences

      51
    • 1.4.3 Primitives not specific to type of connections

      51
      • 1.4.3.1 AIP (Arbitration in progress)

        51
      • 1.4.3.2 ALIGN

        51
      • 1.4.3.3 BREAK

        51
      • 1.4.3.4 BROADCAST

        52
      • 1.4.3.5 CLOSE

        53
      • 1.4.3.6 EOAF (End of address frame)

        53
      • 1.4.3.7 ERROR

        53
      • 1.4.3.8 HARD_RESET

        53
      • 1.4.3.9 NOTIFY

        53
      • 1.4.3.10 OPEN_ACCEPT

        54
      • 1.4.3.11 OPEN_REJECT

        54
      • 1.4.3.12 SOAF (Start of address frame)

        57
    • 1.4.4 Primitives used only inside SSP and SMP connections

      58
      • 1.4.4.1 ACK (acknowledge)

        58
      • 1.4.4.2 CREDIT_BLOCKED

        58
      • 1.4.4.3 DONE

        58
      • 1.4.4.4 EOF (End of frame)

        60
      • 1.4.4.5 NAK (negative acknowledgement)

        60
      • 1.4.4.6 RRDY

        60
      • 1.4.4.7 SOF (Start of frame)

        60
    • 1.4.5 Clock skew management

      61
    • 1.4.6 Idle physical link

      61
    • 1.4.7 Scrambling

      62
  • 1.5 Address frames

    62
    • 1.5.1 Address frames overview

      62
    • 1.5.2 IDENTIFY address frame

      64
    • 1.5.3 OPEN address frame

      66
    • 1.5.4 Identification and hard reset sequence

      69
    • 1.5.5 Connections

      70
      • 1.5.5.1 Connections overview

        70
      • 1.5.5.2 Connection request

        70
      • 1.5.5.3 Connection responses

        71
      • 1.5.5.4 Arbitration fairness

        71
      • 1.5.5.5 Aborting a connection request

        73
      • 1.5.5.6 Closing a connection

        74
      • 1.5.5.7 Breaking a connection

        75
      • 1.5.5.8 Rate matching

        75
    • 1.5.6 SSP link layer

      76
      • 1.5.6.1 SSP frame transmission and reception

        77
      • 1.5.6.2 SSP flow control

        77
      • 1.5.6.3 Interlocked frames

        77
      • 1.5.6.4 Closing an SSP connection

        81
  • 1.6 Transport layer

    81
    • 1.6.1 SSP frame format

      81
    • 1.6.2 Information units

      85
      • 1.6.2.1 COMMAND information unit

        85
      • 1.6.2.2 TASK information unit

        88
      • 1.6.2.3 XFER_RDY information unit

        90
      • 1.6.2.4 DATA information unit

        93
      • 1.6.2.5 RESPONSE information unit

        95
    • 1.6.3 Sequences of SSP frames

      100
    • 1.6.4 Exceptional event processing of a drive

      102
• CHAPTER 2 Command Processing

  107
  • 2.1 Command Format

    107
  • 2.2 Status Byte

    111
  • 2.3 Command Queuing Function

    114
  • 2.4 UNIT ATTENTION Condition

    115
    • 2.4.1 Generation of the UNIT ATTENTION condition

      115
    • 2.4.2 Response and release condition at UNIT ATTENTION condition hold state

      116
    • 2.4.3 UNIT ATTENTION condition multiple hold

      117
  • 2.5 Sense Data Hold State

    117
  • 2.6 Power Condition

    118
  • 2.7 LED Display

    119
  • 2.8 Command Processing Exceptions

    120
    • 2.8.1 Overlapped tag

      120
    • 2.8.2 Illegal LUN specification

      121
    • 2.8.3 Reserved operation code

      122
    • 2.8.4 Error recovery processing

      122
    • 2.8.5 Abort processing

      123
    • 2.8.6 Fatal hardware errors

      126
  • 2.9 Data Block Addressing

    126
    • 2.9.1 Definition of data space

      126
    • 2.9.2 Logical block addressing

      129
• CHAPTER 3 Data Buffer Management

  131
  • 3.1 Data Buffer

    131
    • 3.1.1 Data buffer configuration and basic operation

      131
  • 3.2 Look-Ahead Cache Feature

    134
    • 3.2.1 Caching operation

      134
    • 3.2.2 Caching parameters

      137
    • 3.2.3 Look-Ahead operation, Look-Ahead volume

      137
• CHAPTER 4 Command Specifications

  139
  • 4.1 Control/Sense Commands

    139
    • 4.1.1 TEST UNIT READY (00)

      139
    • 4.1.2 INQUIRY (12)

      140
    • 4.1.3 READ CAPACITY (25)

      155
    • 4.1.4 MODE SELECT (15)

      157
    • 4.1.5 MODE SELECT EXTENDED (55)

      167
    • 4.1.6 MODE SENSE (1A)

      170
    • 4.1.7 MODE SENSE EXTENDED (5A)

      178
    • 4.1.8 REZERO UNIT (01)

      181
    • 4.1.9 START/STOP UNIT (1B)

      182
    • 4.1.10 RESERVE (16)

      184
    • 4.1.11 RESERVE EXTENDED (56)

      186
    • 4.1.12 RELEASE (17)

      187
    • 4.1.13 RELEASE EXTENDED (57)

      188
    • 4.1.14 REQUEST SENSE (03)

      189
    • 4.1.15 LOG SELECT (4C)

      191
    • 4.1.16 LOG SENSE (4D)

      196
    • 4.1.17 PERSISTENT RESERVE IN (5E)

      198
    • 4.1.18 PERSISTENT RESERVE OUT (5F)

      205
    • 4.1.19 REPORT LUNS (A0)

      211
    • 4.1.20 REPORT DEVICE IDENTIFIER (A3)

      213
    • 4.1.21 SET DEVICE IDENTIFIER (A4)

      215
  • 4.2 Data Access Commands

    216
    • 4.2.1 READ (08)

      216
    • 4.2.2 READ EXTENDED (28)

      219
    • 4.2.3 WRITE (0A)

      220
    • 4.2.4 WRITE EXTENDED (2A)

      222
    • 4.2.5 WRITE AND VERIFY (2E)

      223
    • 4.2.6 VERIFY (2F)

      224
    • 4.2.7 SEEK (0B)

      225
    • 4.2.8 SEEK EXTENDED (2B)

      226
    • 4.2.9 SYNCHRONIZE CACHE (35)

      227
  • 4.3 Format Commands

    228
    • 4.3.1 FORMAT UNIT (04)

      228
    • 4.3.2 REASSIGN BLOCKS (07)

      239
    • 4.3.3 READ DEFECT DATA (37)

      243
    • 4.3.4 READ DEFECT DATA (B7)

      248
  • 4.4 Maintenance, Diagnostic Commands

    250
    • 4.4.1 SEND DIAGNOSTIC (1D)

      250
    • 4.4.2 RECEIVE DIAGNOSTIC RESULTS (1C)

      262
    • 4.4.3 WRITE BUFFER (3B)

      267
    • 4.4.4 READ BUFFER (3C)

      274
    • 4.4.5 READ LONG (3E)

      279
    • 4.4.6 WRITE LONG (3F)

      280
    • 4.4.7 WRITE SAME (41)

      283
• CHAPTER 5 Parameter Data Format

  285
  • 5.1 Mode Parameters

    285
    • 5.1.1 Read/Write Error Recovery Parameters (Page Code = 1)

      286
    • 5.1.2 Disconnect/Reconnect Parameters (Page Code = 2)

      291
    • 5.1.3 Format Parameters (Page Code = 3)

      293
    • 5.1.4 Drive Parameters (Page Code = 4)

      298
    • 5.1.5 Verify Error Recovery Parameters (Page Code = 7)

      300
    • 5.1.6 Caching Parameters (Page Code = 8)

      302
    • 5.1.7 Control Mode Parameters (Page Code = 0A)

      308
    • 5.1.8 Notch Parameters (Page Code = 0C)

      312
    • 5.1.9 Port Control Parameter (Page Code = 19)

      314
    • 5.1.10 Power Condition Parameter (Page Code = 1A)

      320
    • 5.1.11 Informational Exceptions Control Page (Page Code = 1C)

      321
    • 5.1.12 Background Control Mode Parameter (Page Code = 1C/subpage = 01)

      326
    • 5.1.13 Additional Error Recovery Parameters (Page Code = 21)

      329
  • 5.2 Log Parameters

    331
    • 5.2.1 Support Log Page (X'00')

      333
    • 5.2.2 Buffer Overrun/Underrun Page (X'01')

      334
    • 5.2.3 Write Error Count Page (X'02')

      335
    • 5.2.4 Read Error Count Page (X'03')

      339
    • 5.2.5 Verify Error Count Page (X'05')

      342
    • 5.2.6 Non-Medium Error Count Page (X'06')

      346
    • 5.2.7 Temperature Page (X'0D')

      346
    • 5.2.8 Start-Stop Cycle Counter Page (X'0E')

      348
    • 5.2.9 Application Client Page (X'0F')

      351
    • 5.2.10 Self-Test Result Page (X'10')

      352
    • 5.2.11 Background Medium Scan Page (X'15')

      354
    • 5.2.12 Protocol Specific Port Log Page (X'18')

      357
    • 5.2.13 SMART Status Page (X'2F')

      361
    • 5.2.14 SMART Data Page (X'38')

      361
• CHAPTER 6 Sense Data and Error RecoveryMethods

  363
  • 6.1 Sense Data

    363
    • 6.1.1 Sense data format

      363
    • 6.1.2 Sense data basic information

      365
    • 6.1.3 Sense data additional information

      375
  • 6.2 INIT Error Recovery Methods (Recommended)

    376
    • 6.2.1 Termination status analysis and error recovery methods

      376
    • 6.2.2 Sense data analysis and error recovery methods

      378
    • 6.2.3 Error logging

      386
  • 6.3 Disk Drive Error Recovery Processing

    386
    • 6.3.1 Error states and retry processing procedures

      386
    • 6.3.2 Auto alternate block allocation processing

      388
    • 6.3.3 Error recovery processing control

      390
• CHAPTER 7 Disk Media Management

  393
  • 7.1 Defect Management

    393
  • 7.2 Disk Media Initialization

    396
    • 7.2.1 Initialization during installation

      396
    • 7.2.2 Re-initialization

      397
  • 7.3 Alternate Block Allocation Processing

    399
  • 7.4 Background Media Scan (BMS)

    400
    • 7.4.1 Overview

      400
    • 7.4.2 Background Media Scan

      400
      • 7.4.2.1 Background Media Scan (BMS) mode

        400
      • 7.4.2.2 Pre-Scan mode

        400
      • 7.4.2.3 Write command operation during a Pre-Scan

        401
      • 7.4.2.4 Conditions for operation

        401
    • 7.4.3 Mode Page

      402
    • 7.4.4 Background Media Scan Log Page

      404
    • 7.5 Drive Self-Test (DST)

      407
      • 7.5.1 Overview

        407
      • 7.5.2 Self-test modes

        409
        • 7.5.2.1 Foreground mode

          409
        • 7.5.2.2 Background mode

          409
      • 7.5.3 Matters that are common to both modes

        411
      • 7.5.4 Short self-test

        411
      • 7.5.5 Extended self-test

        411
      • 7.5.6 Test segments

        411
    • 7.6 SMART (Self-Monitoring Analysis and Reporting Technology)

      414
      • 7.6.1 Overview

        414
      • 7.6.2 Data analysis

        415
      • 7.6.3 Failure prediction method

        416
      • 7.6.4 Reporting function

        420
• Glossary

  421
• Acronyms and Abbreviations

  423
• Index

  425
• READER’S COMMENT FORM

  434