Manuali utente per Seagate 2000GB 3.5" SAS

Sommario

• 1.0 Scope

  9
• 2.0 Applicable standards and reference documentation

  10
  • 2.1 Standards

    10
    • 2.1.1 Electromagnetic compatibility

      10
      • 2.1.1.1 Electromagnetic susceptibility

        10
    • 2.1.2 Electromagnetic compliance

      11
    • 2.1.3 European Union Restriction of Hazardous Substances (RoHS)

      12
  • 2.2 Reference documents

    12
• 3.0 General description

  13
  • 3.1 Standard features

    14
  • 3.2 Media description

    14
  • 3.3 Performance

    15
  • 3.4 Reliability

    15
  • 3.5 Formatted capacities

    15
  • 3.6 Programmable drive capacity

    15
  • 3.7 Factory-installed options

    16
• 4.0 Performance characteristics

  17
  • 4.1 Internal drive characteristics

    17
  • 4.2 Seek performance characteristics

    17
    • 4.2.1 Access time

      17
    • 4.2.2 Format command execution time for 512-byte sectors (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

      20
    • 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 Failure (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 Thermal monitor

      24
    • 5.2.6 Drive Self Test (DST)

      25
      • 5.2.6.1 DST failure definition

        25
      • 5.2.6.2 Implementation

        25
    • 5.2.7 Product warranty

      27
• 6.0 Physical/electrical specifications

  28
  • 6.1 PowerChoiceTM power management

    28
    • 6.1.1 PowerChoice reporting methods

      29
  • 6.2 AC power requirements

    29
  • 6.3 DC power requirements

    29
    • 6.3.1 Conducted noise immunity

      33
    • 6.3.2 Power sequencing

      33
    • 6.3.3 Current profiles

      34
  • 6.4 Power dissipation

    37
  • 6.5 Environmental limits

    43
    • 6.5.1 Temperature

      43
    • 6.5.2 Relative humidity

      43
    • 6.5.3 Effective altitude (sea level)

      44
    • 6.5.4 Shock and vibration

      44
      • 6.5.4.1 Shock

        44
      • 6.5.4.2 Vibration

        46
    • 6.5.5 Acoustics

      46
    • 6.5.6 Air cleanliness

      46
    • 6.5.7 Corrosive environment

      46
    • 6.5.8 Electromagnetic susceptibility

      47
  • 6.6 Mechanical specifications

    48
• 7.0 About self-encrypting drives

  49
  • 7.1 Data encryption

    49
  • 7.2 Controlled access

    49
    • 7.2.1 Admin SP

      49
    • 7.2.2 Locking SP

      50
    • 7.2.3 Default password

      50
  • 7.3 Random number generator (RNG)

    50
  • 7.4 Drive locking

    50
  • 7.5 Data bands

    50
  • 7.6 Cryptographic erase

    51
  • 7.7 Authenticated firmware download

    51
  • 7.8 Power requirements

    51
  • 7.9 Supported commands

    51
• 8.0 Defect and error management

  52
  • 8.1 Drive internal defects/errors

    52
  • 8.2 Drive error recovery procedures

    52
  • 8.3 SAS system errors

    53
  • 8.4 Background Media Scan

    54
  • 8.5 Media Pre-Scan

    54
  • 8.6 Deferred Auto-Reallocation

    54
  • 8.7 Idle Read After Write

    55
• 9.0 Installation

  56
  • 9.1 Drive orientation

    56
  • 9.2 Cooling

    57
  • 9.3 Drive mounting

    58
  • 9.4 Grounding

    58
• 10.0 Interface requirements

  59
  • 10.1 SAS features

    59
    • 10.1.1 task management functions

      59
    • 10.1.2 task management responses

      59
  • 10.2 Dual port support

    60
  • 10.3 SCSI commands supported

    61
    • 10.3.1 Inquiry data

      65
    • 10.3.2 Mode Sense data

      65
  • 10.4 Miscellaneous operating features and conditions

    70
    • 10.4.1 SAS physical interface

      71
    • 10.4.2 Physical characteristics

      74
    • 10.4.3 Connector requirements

      74
    • 10.4.4 Electrical description

      74
    • 10.4.5 Pin descriptions

      74
    • 10.4.6 SAS transmitters and receivers

      75
    • 10.4.7 Power

      75
  • 10.5 Signal characteristics

    75
    • 10.5.1 Ready LED Out

      75
    • 10.5.2 Differential signals

      76
  • 10.6 SAS-2 Specification Compliance

    76
  • 10.7 Additional information

    76
• 11.0 Seagate Technology support services

  77
  • Numerics

    79
  • 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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  • K

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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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