Manuali utente per Seagate ST3146356SSIM

Sommario

• 1.0 Scope

  5
• 2.0 Standards, compliance and reference documents

  7
  • 2.1 Standards

    7
    • 2.1.1 Electromagnetic compatibility

      7
      • 2.1.1.1 Electromagnetic susceptibility

        7
  • 2.2 Compliance

    8
    • 2.2.1 Electromagnetic compliance

      8
  • 2.3 European Union Restriction of Hazardous Substances (RoHS)

    8
  • 2.4 Reference documents

    9
• 3.0 General description

  11
  • 3.1 Standard features

    12
  • 3.2 Media description

    12
  • 3.3 Performance

    12
  • 3.4 Reliability

    13
  • 3.5 Formatted capacities

    13
  • 3.6 Programmable drive capacity

    13
  • 3.7 Factory-installed options

    13
• 4.0 Performance characteristics

  15
  • 4.1 Internal drive characteristics

    15
  • 4.2 Seek time

    15
    • 4.2.1 Access time

      15
    • 4.2.2 Format command execution time (minutes)

      16
    • 4.2.3 General performance characteristics

      16
  • 4.3 Start/stop time

    16
  • 4.4 Prefetch/multi-segmented cache control

    17
  • 4.5 Cache operation

    17
    • 4.5.1 Caching write data

      18
    • 4.5.2 Prefetch operation

      18
• 5.0 Reliability specifications

  19
  • 5.1 Error rates

    19
    • 5.1.1 Recoverable Errors

      19
    • 5.1.2 Unrecoverable Errors

      19
    • 5.1.3 Seek errors

      20
    • 5.1.4 Interface errors

      20
  • 5.2 Reliability and service

    20
    • 5.2.1 Annualized Failrue Rate (AFR) and Mean time between failure (MTBF)

      20
    • 5.2.2 Preventive maintenance

      20
    • 5.2.3 Hot plugging the drive

      20
    • 5.2.4 S.M.A.R.T.

      21
    • 5.2.5 Thermal monitor

      22
    • 5.2.6 Drive Self Test (DST)

      23
      • 5.2.6.1 DST failure definition

        23
      • 5.2.6.2 Implementation

        23
        • 5.2.6.2.1 State of the drive prior to testing

          23
        • 5.2.6.2.2 Invoking DST

          24
        • 5.2.6.2.3 Short and extended tests

          24
        • 5.2.6.2.4 Log page entries

          24
        • 5.2.6.2.5 Abort

          25
    • 5.2.7 Product warranty

      25
• 6.0 Physical/electrical specifications

  27
  • 6.1 AC power requirements

    27
  • 6.2 DC power requirements

    27
    • 6.2.1 Conducted noise immunity

      31
    • 6.2.2 Power sequencing

      31
    • 6.2.3 Current profiles

      31
  • 6.3 Power dissipation

    34
  • 6.4 Environmental limits

    40
    • 6.4.1 Temperature

      40
    • 6.4.2 Relative humidity

      41
    • 6.4.3 Effective altitude (sea level)

      41
    • 6.4.4 Shock and vibration

      41
      • 6.4.4.1 Shock

        41
      • 6.4.4.2 Vibration

        43
    • 6.4.5 Acoustics

      43
    • 6.4.6 Air cleanliness

      43
    • 6.4.7 Corrosive environment

      43
    • 6.4.8 Electromagnetic susceptibility

      44
  • 6.5 Mechanical specifications

    44
• 7.0 Defect and error management

  47
  • 7.1 Drive internal defects/errors

    47
  • 7.2 Drive error recovery procedures

    47
  • 7.3 SAS system errors

    49
  • 7.4 Background Media Scan

    49
  • 7.5 Media Pre-Scan

    49
  • 7.6 Deferred Auto-Reallocation

    50
  • 7.7 Idle Read After Write

    50
• 8.0 Installation

  51
  • 8.1 Drive orientation

    51
  • 8.2 Cooling

    51
  • 8.3 Drive mounting

    53
  • 8.4 Grounding

    53
• 9.0 Interface requirements

  55
  • 9.1 SAS features

    55
    • 9.1.1 task management functions

      55
    • 9.1.2 task management responses

      55
  • 9.2 Dual port support

    56
  • 9.3 SCSI commands supported

    57
    • 9.3.1 Inquiry data

      61
    • 9.3.2 Mode Sense data

      62
      • 9.3.2.1 ST3450856SS/ST3450056SS Mode Sense data

        63
      • 9.3.2.2 ST3300656SS/ST3300056SS Mode Sense data

        64
      • 9.3.2.3 ST3146356SS/ST3146756SS Mode Sense data

        65
  • 9.4 Miscellaneous operating features and conditions

    66
    • 9.4.1 SAS physical interface

      66
    • 9.4.2 Physical characteristics

      69
    • 9.4.3 Connector requirements

      69
    • 9.4.4 Electrical description

      70
    • 9.4.5 Pin descriptions

      70
    • 9.4.6 SAS transmitters and receivers

      71
    • 9.4.7 Power

      71
  • 9.5 Signal characteristics

    71
    • 9.5.1 Ready LED Out

      71
    • 9.5.2 Differential signals

      72
      • 9.5.2.1 Eye masks

        72
        • 9.5.2.1.1 Eye masks overview

          72
        • 9.5.2.1.2 Receive eye mask

          73
        • 9.5.2.1.3 Jitter tolerance masks

          73
      • 9.5.2.2 Transmitter signal characteristics

        75
      • 9.5.2.3 Receiver signal characteristics

        76
        • 9.5.2.3.1 Jitter

          76
        • 9.5.2.3.2 Receiver jitter tolerance

          77
        • 9.5.2.3.3 Compliant jitter test pattern (CJTPAT)

          77
        • 9.5.2.3.4 Impedance specifications

          77
      • 9.5.2.4 Electrical TxRx connections

        78
        • 9.5.2.4.1 Transmitter characteristics

          78
      • 9.5.2.5 Receiver characteristics

        81
• 10.0 Seagate Technology support services

  83
  • Numerics

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  • Z

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