Manuali utente per Seagate cheetah st3146954fc

Sommario

• 2.1 Standards 3

  7
  • 2.1.1 Electromagnetic compatibility 3

    7
  • 2.1.2 Electromagnetic compliance 4

    7
• 2.2 Reference documents 5

  7
• 3.1 Standard features 8

  7
• 3.2 Media description 8

  7
• 3.3 Performance 9

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• 3.4 Reliability 9

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• 3.5 Formatted capacities 9

  7
  • 3.5.1 Programmable drive capacity 9

    7
• 3.6 Factory-installed accessories 10

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• 3.7 Factory-installed options 10

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• 3.8 User-installed accessories 10

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• 4.1 Internal drive characteristics 11

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• 4.2 Seek performance characteristics 11

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  • 4.2.1 Access time 11

    7
  • 4.2.2 Format command execution time (minutes) 12

    7
  • 4.2.3 General performance characteristics 12

    7
• 4.3 Start/stop time 12

  7
• 4.4 Prefetch/multi-segmented cache control 12

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• 4.5 Cache operation 13

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  • 4.5.1 Caching write data 14

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  • 4.5.2 Prefetch operation 14

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  • 4.5.3 Optimizing cache performance for desktop and server applications 14

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• 5.1 Error rates 17

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  • 5.1.1 Recoverable Errors 17

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  • 5.1.2 Unrecoverable Errors 17

    7
  • 5.1.3 Seek errors 18

    7
  • 5.1.4 Interface errors 18

    7
• 5.2 Reliability and service 18

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  • 5.2.1 Mean time between failure (MTBF) 18

    7
  • 5.2.2 Preventive maintenance 18

    7
  • 5.2.3 Hot plugging the drive 19

    7
  • 5.2.4 S.M.A.R.T. 19

    7
  • 5.2.5 Thermal monitor 20

    7
  • 5.2.6 Drive Self Test (DST) 21

    7
  • 5.2.7 Product warranty 23

    7
• 6.1 AC power requirements 25

  7
• 6.2 DC power requirements 25

  7
  • 6.2.1 Conducted noise immunity 27

    7
  • 6.2.2 Power sequencing 27

    7
  • 6.2.3 Current profiles 27

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• 6.3 Power dissipation 31

  7
• 6.4 Environmental limits 34

  7
  • 6.4.1 Temperature 34

    8
  • 6.4.2 Relative humidity 34

    8
  • 6.4.3 Effective altitude (sea level) 35

    8
  • 6.4.4 Shock and vibration 35

    8
  • 6.4.5 Air cleanliness 37

    8
  • 6.4.6 Acoustics 37

    8
  • 6.4.7 Electromagnetic susceptibility 37

    8
• 6.5 Mechanical specifications 38

  8
• 7.1 Drive internal defects/errors 39

  8
• 7.2 Drive error recovery procedures 39

  8
• 7.3 FC-AL system errors 41

  8
• 7.4 Background Media Scan 42

  8
  • 7.4.1 Media Pre-Scan 42

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• 8.1 Drive ID/option selection 43

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• 8.2 LED connections 44

  8
  • 8.2.1 J6 connector requirements 45

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• 8.3 Drive orientation 45

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• 8.4 Cooling 45

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• 8.5 Drive mounting 46

  8
• 8.6 Grounding 46

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• 9.1 FC-AL features 47

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  • 9.1.1 Fibre Channel link service frames 47

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  • 9.1.2 Fibre Channel task management functions 48

    8
  • 9.1.3 Fibre Channel task management responses 48

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  • 9.1.4 Fibre Channel port login 49

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  • 9.1.5 Fibre Channel port login accept 50

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  • 9.1.6 Fibre Channel Process Login 50

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  • 9.1.7 Fibre Channel Process Login Accept 51

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  • 9.1.8 Fibre Channel fabric login 51

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  • 9.1.9 Fibre Channel fabric accept login 52

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  • 9.1.10 Fibre Channel Arbitrated Loop options 53

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• 9.2 Dual port support 53

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• 9.3 SCSI commands supported 54

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  • 9.3.1 Inquiry data 58

    8
  • 9.3.2 Mode Sense data 58

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• 9.4 Miscellaneous operating features and conditions 63

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• 9.5 FC-AL physical interface 64

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  • 9.5.1 Physical characteristics 64

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  • 9.5.2 Connector requirements 65

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  • 9.5.3 Electrical description 66

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  • 9.5.4 Pin descriptions 66

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  • 9.5.5 FC-AL transmitters and receivers 67

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  • 9.5.6 Power 67

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  • 9.5.7 Fault LED Out 67

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  • 9.5.8 Active LED Out 68

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  • 9.5.9 Enable port bypass signals 68

    8
  • 9.5.10 Motor start controls 68

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  • 9.5.11 SEL_6 through SEL_0 ID lines 69

    8
  • 9.5.12 Device control codes 71

    8
• 9.6 Signal characteristics 71

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  • 9.6.1 TTL input characteristics 71

    9
  • 9.6.2 LED driver signals 72

    9
  • 9.6.3 FC Differential output 72

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  • 9.6.4 FC Differential input 72

    9
• Figure 1. Cheetah 15K.4 FC family disc drive 1

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• Figure 2. Typical ST3146954FC drive, 2 Gbit, +12V current profile 28

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• Figure 3. Typical ST3146954FC drive, 2 Gbit, +5V current profile 28

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• Figure 4. Typical ST373554FC drive +12V current profile 29

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• Figure 5. Typical ST373554FC drive +5V current profile 29

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• Figure 6. Typical ST336854FC drive +12V current profile 30

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• Figure 7. Typical ST336854FC drive +5V current profile 30

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• Figure 8. ST3146954FC DC current and power vs. input/output operations per second 31

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• Figure 9. ST373554FC DC current and power vs. input/output operations per second 32

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• Figure 10. ST336854FC DC current and power vs. input/output operations per second 33

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• Figure 11. Locations of the HDA temperature check point 34

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• Figure 12. Recommended mounting 36

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• Figure 13. Mounting configuration dimensions 38

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• Figure 14. Physical interface 44

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• Figure 15. LED indicator connector 44

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• Figure 16. Air flow 45

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• Figure 17. Physical interface 64

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• Figure 18. Port bypass circuit physical interconnect 64

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• Figure 19. FC-AL SCA device connector dimensions 65

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• Figure 20. J6 connector dimensions 65

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• Figure 21. FC-AL transmitters and receivers 67

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• Figure 22. Transmit eye diagram 72

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• Figure 23. Receive eye diagram 73

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• 1.0 Scope

  13
• 2.0 Applicable standards and reference documentation

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  • 2.1 Standards

    15
    • 2.1.1 Electromagnetic compatibility

      15
      • 2.1.1.1 Electromagnetic susceptibility

        15
    • 2.1.2 Electromagnetic compliance

      16
  • 2.2 Reference documents

    17
• 3.0 General description

  19
  • 3.1 Standard features

    20
  • 3.2 Media description

    20
  • 3.3 Performance

    21
  • 3.4 Reliability

    21
  • 3.5 Formatted capacities

    21
    • 3.5.1 Programmable drive capacity

      21
  • 3.6 Factory-installed accessories

    22
  • 3.7 Factory-installed options

    22
  • 3.8 User-installed accessories

    22
• 4.0 Performance characteristics

  23
  • 4.1 Internal drive characteristics

    23
  • 4.2 Seek performance characteristics

    23
    • 4.2.1 Access time

      23
    • 4.2.2 Format command execution time (minutes)

      24
    • 4.2.3 General performance characteristics

      24
  • 4.3 Start/stop time

    24
  • 4.4 Prefetch/multi-segmented cache control

    24
  • 4.5 Cache operation

    25
    • 4.5.1 Caching write data

      26
    • 4.5.2 Prefetch operation

      26
    • 4.5.3 Optimizing cache performance for desktop and server applications

      26
• 5.0 Reliability specifications

  29
  • 5.1 Error rates

    29
    • 5.1.1 Recoverable Errors

      29
    • 5.1.2 Unrecoverable Errors

      29
    • 5.1.3 Seek errors

      30
    • 5.1.4 Interface errors

      30
  • 5.2 Reliability and service

    30
    • 5.2.1 Mean time between failure (MTBF)

      30
    • 5.2.2 Preventive maintenance

      30
    • 5.2.3 Hot plugging the drive

      31
    • 5.2.4 S.M.A.R.T.

      31
    • 5.2.5 Thermal monitor

      32
    • 5.2.6 Drive Self Test (DST)

      33
      • 5.2.6.1 DST failure definition

        33
      • 5.2.6.2 Implementation

        34
        • 5.2.6.2.1 State of the drive prior to testing

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        • 5.2.6.2.2 Invoking DST

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        • 5.2.6.2.3 Short and extended tests

          34
        • 5.2.6.2.4 Log page entries

          35
        • 5.2.6.2.5 Abort

          35
    • 5.2.7 Product warranty

      35
• 6.0 Physical/electrical specifications

  37
  • 6.1 AC power requirements

    37
  • 6.2 DC power requirements

    37
    • 6.2.1 Conducted noise immunity

      39
    • 6.2.2 Power sequencing

      39
    • 6.2.3 Current profiles

      39
  • 6.3 Power dissipation

    43
  • 6.4 Environmental limits

    46
    • 6.4.1 Temperature

      46
    • 6.4.2 Relative humidity

      46
    • 6.4.3 Effective altitude (sea level)

      47
    • 6.4.4 Shock and vibration

      47
      • 6.4.4.1 Shock

        47
      • 6.4.4.2 Vibration

        49
    • 6.4.5 Air cleanliness

      49
    • 6.4.6 Acoustics

      49
    • 6.4.7 Electromagnetic susceptibility

      49
  • 6.5 Mechanical specifications

    50
• 7.0 Defect and error management

  51
  • 7.1 Drive internal defects/errors

    51
  • 7.2 Drive error recovery procedures

    51
  • 7.3 FC-AL system errors

    53
  • 7.4 Background Media Scan

    54
    • 7.4.1 Media Pre-Scan

      54
• 8.0 Installation

  55
  • 8.1 Drive ID/option selection

    55
  • 8.2 LED connections

    56
    • 8.2.1 J6 connector requirements

      57
  • 8.3 Drive orientation

    57
  • 8.4 Cooling

    57
  • 8.5 Drive mounting

    58
  • 8.6 Grounding

    58
• 9.0 Interface requirements

  59
  • 9.1 FC-AL features

    59
    • 9.1.1 Fibre Channel link service frames

      59
    • 9.1.2 Fibre Channel task management functions

      60
    • 9.1.3 Fibre Channel task management responses

      60
    • 9.1.4 Fibre Channel port login

      61
    • 9.1.5 Fibre Channel port login accept

      62
    • 9.1.6 Fibre Channel Process Login

      62
    • 9.1.7 Fibre Channel Process Login Accept

      63
    • 9.1.8 Fibre Channel fabric login

      63
    • 9.1.9 Fibre Channel fabric accept login

      64
    • 9.1.10 Fibre Channel Arbitrated Loop options

      65
  • 9.2 Dual port support

    65
  • 9.3 SCSI commands supported

    66
    • 9.3.1 Inquiry data

      70
    • 9.3.2 Mode Sense data

      70
  • 9.4 Miscellaneous operating features and conditions

    75
  • 9.5 FC-AL physical interface

    76
    • 9.5.1 Physical characteristics

      76
      • 9.5.1.1 Physical description

        76
    • 9.5.2 Connector requirements

      77
    • 9.5.3 Electrical description

      78
    • 9.5.4 Pin descriptions

      78
    • 9.5.5 FC-AL transmitters and receivers

      79
    • 9.5.6 Power

      79
    • 9.5.7 Fault LED Out

      79
    • 9.5.8 Active LED Out

      80
    • 9.5.9 Enable port bypass signals

      80
    • 9.5.10 Motor start controls

      80
    • 9.5.11 SEL_6 through SEL_0 ID lines

      81
      • 9.5.11.1 Parallel Enclosure Services Interface (ESI)

        81
    • 9.5.12 Device control codes

      83
  • 9.6 Signal characteristics

    83
    • 9.6.1 TTL input characteristics

      83
    • 9.6.2 LED driver signals

      84
    • 9.6.3 FC Differential output

      84
    • 9.6.4 FC Differential input

      84
• 10.0 Seagate Technology support services

  87