Mylex eXtremeRAID Guide d'installation télécharger pdf (Page 47)

Manual No. DB11-000033-00 A-1

Appendix A

Memory Module and

Battery Backup Unit

Figure A-1. BDIMM Module

Product Description

The Battery Dual Inline Memory Module (BDIMM) is a cache memory

module that maintains data integrity in the event of a power failure. The

battery backup portion of this module monitors the write back cache on the

eXtremeRAID 3000 controller and provides power to the cache if it contains

data not yet written to the drives when power is lost.

The controller, with the BDIMM installed, occupies only one PCI slot on the

host backplane.

Features

Some of the features of the BDIMM include:

• Gas gauge circuit for battery charge monitoring

• Quick charge to replenish a drained battery

• SDRAM on the BDIMM module

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 89 90

Installation Guide 1
LSI Logic Corporation 3
North American Headquarters 3
Milpitas, CA 3
408.433.8000 3
Declaration of Conformity 4
Community of Europe 6
Proprietary Rights Notice 8
Document Description 8
Disclaimer 8
License Restriction 8
Copyright Notice 8
Trademark Acknowledgments 9
About This Manual 11
 Caution 12
 WARNING 12
Contents 13
Memory Module and 14
Battery Backup Unit 14
Error Messages 14
Enclosure Management 15
Glossary 15
PCI Hot Plug 15
Introduction 17
Channel Capabilities 19
Controller Capabilities 19
Operating System Support 19
Standard Package Contents 20
User-supplied Items 21
Installation 23
Installation Checklist 26
Manual No. DB11-000033-00 2-5 27
Connectors, Jumpers and LEDs 28
Manual No. DB11-000033-00 2-7 29
32 bit PCI slots 31
Black Handle 32
SCSI Termination 34
SCSI Cabling 35
Fibre Cabling 37
Fibre Connectors, External 38
Fibre Drive Preparation 39
Controller Start-up 41
BIOS Options 42
Setting BIOS Options 43
Operating System 45
In Case of Problems 46
BDIMM Operation 48
Status Indication 50
Battery and Charge Circuit 50
BDIMM Specifications 51
Specifications 53
Environmental Specifications 54
Installation Abort 56
System Reboot or Power Down 57
Implementation 60
Fibre Channel Cabinet 64
Manual No. DB11-000033-00 G-3 67
Manual No. DB11-000033-00 G-5 69
Manual No. DB11-000033-00 G-7 71
Manual No. DB11-000033-00 G-9 73
Mirroring 76
M.O.R.E 76
Narrow SCSI 76
RAID Levels 79
SCSI Adapters 81
SCSI Drive 81
SCSI Drive States 81
SAME DAC960 controller 83
Stripe Order 84
Stripe Size 84
Stripe Width 84
Striping 84
LSI LOGIC CORPORATION 87

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Mylex eXtremeRAID Guide d'installation Page 47

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