Manuali utente per Seagate ST31000640SSIM

Sommario

• 1.0 Scope

  7
• 2.0 Standards, compliance and reference documents

  9
  • 2.1 Standards

    9
    • 2.1.1 Electromagnetic compatibility

      9
      • 2.1.1.1 Electromagnetic susceptibility

        9
  • 2.2 Compliance

    10
    • 2.2.1 Electromagnetic compliance

      10
  • 2.3 Reference documents

    11
• 3.0 General description

  13
  • 3.1 Standard features

    14
  • 3.2 Media description

    14
  • 3.3 Performance

    14
  • 3.4 Reliability

    14
  • 3.5 Formatted capacities

    15
  • 3.6 Programmable drive capacity

    15
  • 3.7 Factory-installed options

    15
• 4.0 Performance characteristics

  17
  • 4.1 Internal drive characteristics

    17
  • 4.2 Seek performance

    17
    • 4.2.1 Access time

      17
    • 4.2.2 Format command execution time (minutes)

      18
    • 4.2.3 General performance characteristics

      18
  • 4.3 Start/stop time

    18
  • 4.4 Prefetch/multi-segmented cache control

    19
  • 4.5 Cache operation

    19
    • 4.5.1 Caching write data

      19
    • 4.5.2 Prefetch operation

      20
• 5.0 Reliability specifications

  21
  • 5.1 Error rates

    21
    • 5.1.1 Recoverable Errors

      21
    • 5.1.2 Unrecoverable Errors

      21
    • 5.1.3 Seek errors

      22
    • 5.1.4 Interface errors

      22
  • 5.2 Reliability and service

    22
    • 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)

      22
    • 5.2.2 Preventive maintenance

      22
    • 5.2.3 Hot plugging the drive

      22
    • 5.2.4 S.M.A.R.T.

      23
    • 5.2.5 Reporting control

      23
    • 5.2.6 Thermal monitor

      24
    • 5.2.7 Drive Self Test (DST)

      24
      • 5.2.7.1 DST failure definition

        25
      • 5.2.7.2 Implementation

        25
    • 5.2.8 Product warranty

      26
• 6.0 Physical/electrical specifications

  29
  • 6.1 AC power requirements

    29
  • 6.2 DC power requirements

    29
    • 6.2.1 Conducted noise immunity

      31
    • 6.2.2 Power sequencing

      31
    • 6.2.3 Current profiles

      31
  • 6.3 Power dissipation

    33
  • 6.4 Environmental limits

    35
    • 6.4.1 Temperature

      35
    • 6.4.2 Relative humidity

      36
    • 6.4.3 Effective altitude (sea level)

      36
    • 6.4.4 Shock and vibration

      36
      • 6.4.4.1 Shock

        36
      • 6.4.4.2 Vibration

        38
    • 6.4.5 Acoustics

      38
    • 6.4.6 Air cleanliness

      38
    • 6.4.7 Corrosive environment

      38
    • 6.4.8 European Union Restriction of Hazardous Substances (RoHS) Directive

      39
    • 6.4.9 China Restriction of Hazardous Substances (RoHS) Directive

      39
    • 6.4.10 Electromagnetic susceptibility

      39
  • 6.5 Mechanical specifications

    40
• 7.0 Defect and error management

  41
  • 7.1 Drive internal defects/errors

    41
  • 7.2 Drive error recovery procedures

    41
  • 7.3 SAS system errors

    43
  • 7.4 Background Media Scan

    43
  • 7.5 Media Pre-Scan

    43
  • 7.6 Deferred Auto-Reallocation

    44
  • 7.7 Idle Read After Write

    44
• 8.0 Installation

  45
  • 8.1 Drive orientation

    45
  • 8.2 Cooling

    46
  • 8.3 Drive mounting

    47
  • 8.4 Grounding

    47
• 9.0 Interface requirements

  49
  • 9.1 SAS features

    49
    • 9.1.1 task management functions

      49
    • 9.1.2 task management responses

      49
  • 9.2 Dual port support

    50
  • 9.3 SCSI commands supported

    51
    • 9.3.1 Inquiry data

      55
    • 9.3.2 Mode Sense data

      55
      • 9.3.2.1 ST31000640SS Mode Sense data

        57
      • 9.3.2.2 ST3750630SS Mode Sense data

        58
      • 9.3.2.3 ST3500620SS Mode Sense data

        59
  • 9.4 Miscellaneous operating features and conditions

    60
    • 9.4.1 SAS physical interface

      61
    • 9.4.2 Physical characteristics

      63
    • 9.4.3 Connector requirements

      63
    • 9.4.4 Electrical description

      64
    • 9.4.5 Pin descriptions

      64
    • 9.4.6 SAS transmitters and receivers

      65
    • 9.4.7 Power

      65
  • 9.5 Signal characteristics

    65
    • 9.5.1 Ready LED Out

      65
    • 9.5.2 Differential signals

      66
      • 9.5.2.1 Eye masks

        66
      • 9.5.2.2 Transmitter signal characteristics

        69
      • 9.5.2.3 Receiver signal characteristics

        70
      • 9.5.2.4 Electrical TxRx connections

        72
      • 9.5.2.5 Receiver characteristics

        75