SGI InfiniteStorage 4000 Series Guía de usuario Pagina 35
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The Disk Drives
007-4834-001 17
The Disk Drives
Each storage enclosure can contain up to 16 low-profile Fibre Channel disk drives.
Controller enclosures can be cabled to as many as six expansion enclosures for a total
capacity of 112 disks in one storage system. Each disk is mounted in a sled for ease of
installation and removal. These drive sleds have a lever and latch mechanism that allows
you to cam the drive in and out of the enclosure.
Each drive has three status LEDs (see Figure 2-4) as follows:
• LED 1 is the drive service action allowed indicator: This LED is normally off
showing it is OK to remove the drive. It illuminates green when a problem status
indicates the drive should not be removed.
• LED 2 is the Drive fault indicator: The normal status of this LED is off, although it
will blink during drive volume or storage array locate functions. If this LED
illuminates solid amber, then there is a problem with the drive.
• LED 3 is the drive active indicator: It blinks when data is being processed and stays
on steadily when the drive is on but no data is processing. If it is off, there is no
power to the drive, or, the drive is not seated properly in the slot.
Figure 2-4 Disk Drive Locations and Status LEDs
RAID Controllers
Each SGI InfiniteStorage 4000 controller enclosure contains two RAID controller
modules. These controllers slide into the same opening that the ESMs occupy on the
expansion enclosures. Each controller contains RAID logic, cache memory, a
rechargeable battery for the cache, and additional environmental monitoring circuitry.
- InfiniteStorage™ 4000 RAID 1
- User’s Guide 1
- Record of Revision 3
- Contents 5
- 007-4834-001 vii 7
- About This Guide 13
- Important Information 14
- Chapter Descriptions 14
- Related Publications 15
- Conventions 16
- Product Support 16
- Reader Comments 17
- System Features 19
- 2 007-4834-001 20
- Performance Features 21
- RAID Controller Features 22
- Availability Features 23
- Supported Platforms 23
- System Components 24
- Storage Enclosures 25
- 8 007-4834-001 26
- 007-4834-001 9 27
- 10 007-4834-001 28
- 007-4834-001 11 29
- 2. Storage Enclosures 31
- Overview 33
- 16 007-4834-001 34
- 2: Storage Enclosures 34
- The Disk Drives 35
- RAID Controllers 35
- 18 007-4834-001 36
- Power Supply and Fan Modules 38
- Tray ID Selection 39
- Link Rate Switch 40
- SFP Transceivers 40
- 007-4834-001 23 41
- Figure 2-9 SFP Transceiver 41
- Turning the Power On 43
- 26 007-4834-001 44
- 007-4834-001 27 45
- 28 007-4834-001 46
- 007-4834-001 29 47
- Turning the Power Off 48
- 007-4834-001 31 49
- Checking the Indicator Lights 50
- Rear Indicator Lights 52
- 36 007-4834-001 54
- Moving the Enclosure 55
- Removing the Enclosure 56
- 007-4834-001 39 57
- Reinstalling the Enclosure 58
- Front Bezel Air Filter 59
- 42 007-4834-001 60
- Replacing a Failed Disk Drive 61
- 44 007-4834-001 62
- 007-4834-001 45 63
- 46 007-4834-001 64
- Alarm Mute button on the 64
- 007-4834-001 47 65
- 48 007-4834-001 66
- 007-4834-001 49 67
- Figure 4-5) 68
- Replacing an SFP Transceiver 69
- 52 007-4834-001 70
- 54 007-4834-001 72
- 007-4834-001 55 73
- 56 007-4834-001 74
- Upgrading Drives 75
- 58 007-4834-001 76
- 007-4834-001 59 77
- 60 007-4834-001 78
- Adding Expansion Enclosures 79
- 62 007-4834-001 80
- 5. Cabling 81
- 64 007-4834-001 82
- 007-4834-001 65 83
- 007-4834-001 73 91
- 74 007-4834-001 92
- 007-4834-001 75 93
- 76 007-4834-001 94
- 007-4834-001 77 95
- 78 007-4834-001 96
- 007-4834-001 79 97
- 80 007-4834-001 98
- Powering On the System 99
- 82 007-4834-001 100
- 5: Cabling 100
- Rack Specifications 101
- Rack Dimensions 102
- 007-4834-001 85 103
- Rack (empty) 104
- Each system 104
- 007-4834-001 87 105
- Area Requirements 106
- Wiring and Power 107
- Power Requirements 108
- Power Distribution Units 108
- Power Cords and Receptacles 108
- 007-4834-001 91 109
- Environmental 110
- Enclosure Specifications 111
- System Enclosure Air Flow 115
- Electromagnetic Emissions 117
- Product Safety 118
- Electrostatic Discharge 118
- Shielded Cables 119
- FCC Warning 119
- VDE 0871/6.78 120
- European Union Statement 120
- Attention 121
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