Manuali utente per Seagate ST3450857SS

Sommario

• Contents

  3
• 1.0 Scope

  7
• 2.0 Standards, compliance and reference documents

  8
  • 2.1 Standards

    8
    • 2.1.1 Electromagnetic compatibility

      8
      • 2.1.1.1 Electromagnetic susceptibility

        8
  • 2.2 Compliance

    9
    • 2.2.1 Electromagnetic compliance

      9
  • 2.3 European Union Restriction of Hazardous Substances (RoHS)

    9
  • 2.4 Reference documents

    10
• 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

  14
  • 4.1 Internal drive characteristics

    14
  • 4.2 Seek time

    14
    • 4.2.1 Access time

      14
    • 4.2.2 Format command execution time (minutes)

      15
    • 4.2.3 General performance characteristics

      15
  • 4.3 Start/stop time

    15
  • 4.4 Prefetch/multi-segmented cache control

    16
  • 4.5 Cache operation

    16
    • 4.5.1 Caching write data

      17
    • 4.5.2 Prefetch operation

      17
• 5.0 Reliability specifications

  18
  • 5.1 Error rates

    18
    • 5.1.1 Recoverable Errors

      18
    • 5.1.2 Unrecoverable Errors

      18
    • 5.1.3 Seek errors

      19
    • 5.1.4 Interface errors

      19
  • 5.2 Reliability and service

    19
    • 5.2.1 Annualized Failrue Rate (AFR) and Mean time between failure (MTBF)

      19
    • 5.2.2 Preventive maintenance

      19
    • 5.2.3 Hot plugging the drive

      19
    • 5.2.4 S.M.A.R.T.

      20
    • 5.2.5 Thermal monitor

      21
    • 5.2.6 Drive Self Test (DST)

      22
      • 5.2.6.1 DST failure definition

        22
      • 5.2.6.2 Implementation

        22
        • 5.2.6.2.1 State of the drive prior to testing

          22
        • 5.2.6.2.2 Invoking DST

          23
        • 5.2.6.2.3 Short and extended tests

          23
        • 5.2.6.2.4 Log page entries

          23
        • 5.2.6.2.5 Abort

          24
    • 5.2.7 Product warranty

      24
• 6.0 Physical/electrical specifications

  25
  • 6.1 AC power requirements

    25
  • 6.2 DC power requirements

    25
    • 6.2.1 Conducted noise immunity

      29
    • 6.2.2 Power sequencing

      29
    • 6.2.3 Current profiles

      29
  • 6.3 Power dissipation

    32
  • 6.4 Environmental limits

    34
    • 6.4.1 Temperature

      34
    • 6.4.2 Relative humidity

      35
    • 6.4.3 Effective altitude (sea level)

      35
    • 6.4.4 Shock and vibration

      35
      • 6.4.4.1 Shock

        35
      • 6.4.4.2 Vibration

        37
    • 6.4.5 Acoustics

      38
    • 6.4.6 Air cleanliness

      38
    • 6.4.7 Corrosive environment

      38
    • 6.4.8 RoHS compliance statement

      38
    • 6.4.9 Electromagnetic susceptibility

      39
  • 6.5 Mechanical specifications

    39
• 7.0 About self-encrypting drives

  40
  • 7.1 Data encryption

    40
  • 7.2 Controlled access

    40
    • 7.2.1 Admin SP

      40
    • 7.2.2 Locking SP

      40
    • 7.2.3 Default password

      41
  • 7.3 Random number generator (RNG)

    41
  • 7.4 Drive locking

    41
  • 7.5 Data bands

    41
  • 7.6 Cryptographic erase

    41
  • 7.7 Authenticated firmware download

    41
  • 7.8 Power requirements

    42
  • 7.9 Supported commands

    42
• 8.0 Defect and error management

  43
  • 8.1 Drive internal defects/errors

    43
  • 8.2 Drive error recovery procedures

    43
  • 8.3 SAS system errors

    45
  • 8.4 Background Media Scan

    45
  • 8.5 Media Pre-Scan

    46
  • 8.6 Deferred Auto-Reallocation

    46
  • 8.7 Idle Read After Write

    46
• 9.0 Installation

  47
  • 9.1 Drive orientation

    47
  • 9.2 Cooling

    47
  • 9.3 Drive mounting

    48
  • 9.4 Grounding

    48
• 10.0 Interface requirements

  49
  • 10.1 SAS features

    49
    • 10.1.1 task management functions

      49
    • 10.1.2 task management responses

      49
  • 10.2 Dual port support

    50
  • 10.3 SCSI commands supported

    50
    • 10.3.1 Inquiry data

      54
    • 10.3.2 Mode Sense data

      55
      • 10.3.2.1 ST3600057SS and ST3600957SS Mode Sense data

        56
      • 10.3.2.2 ST3450857SS and ST3450757SS Mode Sense data

        58
      • 10.3.2.3 ST3300657SS and ST3300557SS Mode Sense data

        60
  • 10.4 Miscellaneous operating features and conditions

    61
    • 10.4.1 SAS physical interface

      62
    • 10.4.2 Physical characteristics

      64
    • 10.4.3 Connector requirements

      64
    • 10.4.4 Electrical description

      65
    • 10.4.5 Pin descriptions

      65
    • 10.4.6 SAS transmitters and receivers

      66
    • 10.4.7 Power

      66
  • 10.5 Signal characteristics

    66
    • 10.5.1 Ready LED Out

      66
    • 10.5.2 Differential signals

      67
  • 10.6 SAS-2 Specification compliance

    67
  • 10.7 Additional information

    67
• 11.0 Seagate Technology support services

  68
  • Numerics

    71
  • A

    71
  • B

    71
  • C

    71
  • D

    71
  • E

    72
  • F

    72
  • G

    72
  • H

    72
  • I

    72
  • J

    72
  • L

    72
  • M

    72
  • N

    73
  • O

    73
  • P

    73
  • Q

    73
  • R

    73
  • S

    73
  • T

    74
  • U

    74
  • V

    74
  • W

    74
  • Z

    74