Manuali utente per Seagate ST3750630SS

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 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

    12
  • 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 performance

    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

      17
    • 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 Failure Rate (AFR) and Mean Time Between Failures (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 Reporting control

      21
    • 5.2.6 Thermal monitor

      22
    • 5.2.7 Drive Self Test (DST)

      22
      • 5.2.7.1 DST failure definition

        23
      • 5.2.7.2 Implementation

        23
        • 5.2.7.2.1 State of the drive prior to testing

          23
        • 5.2.7.2.2 Invoking DST

          23
        • 5.2.7.2.3 Short and extended tests

          23
        • 5.2.7.2.4 Log page entries

          24
        • 5.2.7.2.5 Abort

          24
    • 5.2.8 Product warranty

      24
• 6.0 Physical/electrical specifications

  27
  • 6.1 AC power requirements

    27
  • 6.2 DC power requirements

    27
    • 6.2.1 Conducted noise immunity

      29
    • 6.2.2 Power sequencing

      29
    • 6.2.3 Current profiles

      29
  • 6.3 Power dissipation

    31
  • 6.4 Environmental limits

    33
    • 6.4.1 Temperature

      33
    • 6.4.2 Relative humidity

      34
    • 6.4.3 Effective altitude (sea level)

      34
    • 6.4.4 Shock and vibration

      34
      • 6.4.4.1 Shock

        34
      • 6.4.4.2 Vibration

        36
    • 6.4.5 Acoustics

      36
    • 6.4.6 Air cleanliness

      36
    • 6.4.7 Corrosive environment

      36
    • 6.4.8 European Union Restriction of Hazardous Substances (RoHS) Directive

      37
    • 6.4.9 China Restriction of Hazardous Substances (RoHS) Directive

      37
    • 6.4.10 Electromagnetic susceptibility

      37
  • 6.5 Mechanical specifications

    38
• 7.0 Defect and error management

  39
  • 7.1 Drive internal defects/errors

    39
  • 7.2 Drive error recovery procedures

    39
  • 7.3 SAS system errors

    41
  • 7.4 Background Media Scan

    41
  • 7.5 Media Pre-Scan

    41
  • 7.6 Deferred Auto-Reallocation

    42
  • 7.7 Idle Read After Write

    42
• 8.0 Installation

  43
  • 8.1 Drive orientation

    43
  • 8.2 Cooling

    44
  • 8.3 Drive mounting

    45
  • 8.4 Grounding

    45
• 9.0 Interface requirements

  47
  • 9.1 SAS features

    47
    • 9.1.1 task management functions

      47
    • 9.1.2 task management responses

      47
  • 9.2 Dual port support

    48
  • 9.3 SCSI commands supported

    49
    • 9.3.1 Inquiry data

      53
    • 9.3.2 Mode Sense data

      53
      • 9.3.2.1 ST31000640SS Mode Sense data

        55
      • 9.3.2.2 ST3750630SS Mode Sense data

        56
      • 9.3.2.3 ST3500620SS Mode Sense data

        57
  • 9.4 Miscellaneous operating features and conditions

    58
    • 9.4.1 SAS physical interface

      59
    • 9.4.2 Physical characteristics

      61
    • 9.4.3 Connector requirements

      61
    • 9.4.4 Electrical description

      62
    • 9.4.5 Pin descriptions

      62
    • 9.4.6 SAS transmitters and receivers

      63
    • 9.4.7 Power

      63
  • 9.5 Signal characteristics

    63
    • 9.5.1 Ready LED Out

      63
    • 9.5.2 Differential signals

      64
      • 9.5.2.1 Eye masks

        64
        • 9.5.2.1.1 Eye masks overview

          64
        • 9.5.2.1.2 Receive eye mask

          65
        • 9.5.2.1.3 Jitter tolerance masks

          65
      • 9.5.2.2 Transmitter signal characteristics

        67
      • 9.5.2.3 Receiver signal characteristics

        68
        • 9.5.2.3.1 Jitter

          68
        • 9.5.2.3.2 Receiver jitter tolerance

          69
        • 9.5.2.3.3 Compliant jitter test pattern (CJTPAT)

          69
        • 9.5.2.3.4 Impedance specifications

          69
      • 9.5.2.4 Electrical TxRx connections

        70
        • 9.5.2.4.1 Transmitter characteristics

          70
      • 9.5.2.5 Receiver characteristics

        73
• 10.0 Seagate Technology support services

  75
  • Numerics

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  • A

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  • B

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  • C

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  • D

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  • E

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  • F

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  • G

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  • H

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  • I

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  • J

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  • L

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  • M

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  • N

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  • O

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  • P

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  • Q

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  • R

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  • S

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  • T

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  • U

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  • V

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  • W

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  • Z

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