Broadcom Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User guide

Cache Backup Products for

MegaRAID® SAS+SATA

RAID Controllers

User Guide

May 2015

45646-00, Rev. B

For a comprehensive list of changes to this document, see the Revision History.

Avago, Avago Technologies, the A logo, LSI, and Storage by LSI, MegaRAID, MegaRAID Storage Manager, and

CacheVault are trademarks of Avago Technologies in the United States and other countries. All other brand and

product names may be trademarks of their respective companies.

Corporate Headquarters Email Website

San Jose, CA tech.support@avagotech.com www.lsi.com

Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User Guide

May 2015

Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User Guide

May 2015

Table of Contents

Avago Technologies

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Table of Contents

Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1.1 Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1.2 Intelligent Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1.3 Intelligent Transportable Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1.4 RAID Cache Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1.5 CacheVault Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2 MegaRAID Battery Backup Units Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.3 RAID Cache Module 01 and Supported MegaRAID Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.4 CacheVault Flash Modules and CacheVault Power Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.4.1 Models of the CacheVault Flash Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.4.2 Models of the CacheVault Power Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Chapter 2: Installing the Cache Backup Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.1 Installing the LSIiBBU01 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.1.1 Installing the LSIiBBU01 (NiMH) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.1.2 Installing the LSIiBBU01 (LiON) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.2 Installing the LSIiBBU05 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.2.1 Installing the LSIiBB05 (NiMH) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.2.2 Installing the LSIiBBU05 (LiON) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.3 Installing the LSIiBBU06 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.3.1 Top View and Bottom View of the LSIiBBU06 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

2.3.2 Connecting a LSIiBBU06 Unit Directly to a RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.3.3 Connecting the LSIiBBU06 Unit Remotely to the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

2.3.4 Connecting a Remote LSIiBBU06 Unit to a MegaRAID SAS RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.3.5 Connecting a Remote LSIiBBU06 Unit on the System Chassis to a Board-to-Board Adapter Card on a RAID Controller . . . . . . . . . . . 32

2.3.6 Connecting an LSIiBBU06 Unit from a Remote Mount Board to a Board-to-Board Cable Adapter Card on a RAID Controller . . . . . 36

2.4 Installing the LSIiBBU07 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

2.4.1 Front View and Rear View of the LSIiBBU07 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

2.4.2 Installing the LSIiBBU07 Unit Directly on a RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

2.4.3 Connecting the LSIiBBU07 Unit Remotely to the MegaRAID SAS RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

2.4.4 Connecting the Remote LSIiBBU07 Unit to the BBU Connector on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

2.4.5 Connecting a Remote LSIiBBU07 to a Daughter Card on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

2.4.6 Connecting an LSIiBBU07 Unit from a Remote Mount Board to a Board-to-Board Adapter Card on a RAID Controller . . . . . . . . . . . . 53

2.5 Installing the LSIiBBU08 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

2.5.1 Front View and Rear View of the LSIiBBU08 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

2.5.2 Installing the LSIiBBU08 Unit Directly on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

2.5.3 Connecting the LSIiBBU08 Remotely to the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

2.5.4 Connecting the Remote LSIiBBU08 Unit to the BBU Connector on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

2.5.5 Connecting a Remote LSIiBBU08 Unit on the System Chassis to a Board-to-Board Cable Adapter Card on the RAID Controller . . . 66

2.5.6 Connecting the LSIiBBU08 Unit on a Remote Mount Board to a Board-to Board Cable Adapter Card on the RAID Controller . . .

. . 71

2.6 Installing the LSIiBBU09 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

2.6.1 Top View and Bottom View of the LSIiBBU09 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

2.6.2 Attaching a LSIiBBU09 Unit Directly to a MegaRAID SAS 9266 RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

2.6.3 Connecting a Remote LSIiBBU09 Unit on the System Chassis to a RCM01 Module on a RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . 81

2.7 Installing the LSIiTBBU03 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

2.7.1 Removing the RAID Controller from the Host Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

2.7.2 Installing the LSIiTBBU03 Unit Directly on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

2.7.3 Reinstalling the Controller in the Host Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

2.8 Connecting a CVFM01 Module on a MegaRAID SAS 9260 RAID Controller to a Remote CVPM01 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

2.8.1 Top View and Bottom View of the CVFM01 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

2.8.2 Connecting the CVFM01 Module on a MegaRAID SAS 9260 RAID Controller to a CVPM01 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

2.9 Connecting a CVFM02 Module on a RAID Controller to a CVPM02 Module Mounted on a Remote Mount Board . . . . . . . . . . . . . . . . . . . . . . . 90

2.9.1 Removing the RAID Controller from the Host Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User Guide

May 2015

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Avago Technologies

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2.9.2 Installing the Clip on the Remote Mount Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

2.9.3 Attaching the CVPM02 Module to the Clip on the Remote Mount Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

2.9.4 Connecting the CVFM02 Module to the Remote CVPM02 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

2.9.5 Reinstalling the MegaRAID SAS 9266-8i RAID Controller on the Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

2.9.6 Installing the Remote Mount Board in the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

2.10 Attaching the CVFM03 Module to a MegaRAID SAS 9265CV-8i RAID Controller and Connecting to a Remote CVPM02 Module . . . . . . . 96

2.10.1 Top View and Bottom View of the CVFM03 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

2.10.2 Installing the CVFM03 Module Directly on the MegaRAID SAS 9265CV-8i RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

2.10.3 Installing the Clip Directly on the Remote Mount Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

2.10.4 Attaching the CVPM02 Module to the Clip on the Remote Mount Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

2.10.5 Connecting the CVFM03 Module to the Remote CVPM02 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

2.10.6 Reinstalling the RAID Controller on the Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

2.10.7 Installing the Remote Mount Board in the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

2.11 Attaching the CVFM04 Module to the RAID Controller and by Cable to a CVPM02 Module on a Remote Mount Board . . . . . . . . . . . . . . . 104

2.11.1 Front View and Back View of the CVFM04 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

2.11.2 Attaching the CVFM04 Module on the MegaRAID SAS 9361 RAID Controller and Connecting by Cable to the Remote CVPM02

Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Chapter 3: Monitoring and Managing Battery Backup Units and CacheVault Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

3.1 Monitoring and Managing BBU Units with the MegaRAID Configuration Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

3.1.1 Monitoring and Managing BBU Units with the WebBIOS Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

3.1.2 Monitoring and Managing BBU Units with the Ctrl-R Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

3.1.3 Monitoring and Managing BBU Units with the MegaCLI Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

3.1.4 Monitoring and Managing BBU Units with the StorCLI Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

3.1.5 Monitoring and Managing BBU Units with the MegaRAID Storage Manager Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

3.1.6 Monitoring and Managing BBU Units with the HII Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

3.2 Replacing Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

3.3 Disposing of Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

3.4 Transferring Cached Data from a Failed Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

3.5 Monitoring CacheVault Module Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

3.5.1 Monitoring CacheVault Module Information with the HII Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

3.5.2 Monitoring CacheVault Module Information in StorCLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Chapter 4: Battery Backup Unit and CacheVault Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

4.1 Specifications for the BBU Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

4.2 Specifications for the CacheVault Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

4.3 Battery Life and Data Retention Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Battery Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

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Chapter 1: Introduction

Overview

Chapter 1: Introduction

This guide documents the Avago® family of MegaRAID® cache backup products that are used with its

high-performance MegaRAID SAS+SATA RAID controllers to protect cached data. It describes the products,

documents the installation instructions, and provides the technical specifications.

The cache backup products documented in this guide include the following:

 intelligent Battery Backup Units (iBBU units)

 intelligent Transportable Battery Backup Units (iTBBU units)

 Transportable Memory Modules (TMMs)

 RAID Cache Module (RCM01)

 CacheVault® Flash Modules (CVFMs)

 CacheVault Power Modules (CVPMs)

1.1 Overview

The battery backup units and the memory modules protect the integrity of the cached data on MegaRAID controllers

by providing backup power if there is a complete AC power failure or a brief power outage. These products provide an

alternative to using an uninterruptible power supply (UPS), and a second level of fault tolerance when used in

conjunction with a UPS.

1.1.1 Benefits

The cache memory available on MegaRAID controllers can improve overall system performance, because writing data

to the controllers cache memory is much faster than writing it to a storage device. Write operations appear to

complete very quickly at the software application level. The RAID controller then writes the cached data to the storage

device when system activity is low or when the cache is getting full.

The risk of using write-back cache is that the cached data can be lost if the AC power fails before it has been written to

the storage device. You can use an onboard transportable memory module in conjunction with an iBBU unit or a

CVPM module, and a CVFM module in conjunction with a CVPM module to eliminate this risk.

1.1.2 Intelligent Battery Backup Units

An intelligent BBU unit has built-in functionality to charge the battery pack automatically and to communicate battery

status information such as voltage, temperature, and current to the host computer system.

The MegaRAID iBBU units monitor the voltage level of the DRAM modules on MegaRAID controllers. If the voltage

drops below a predefined level, the battery backup module switches the memory power source from the RAID

controller to the battery pack attached to the iBBU unit. As long as the voltage level stays below the predefined value, the

MegaRAID iBBU unit provides power for memory. If the voltage level returns to an acceptable level, the iBBU unit

switches the power source back to the RAID controller, and all pending writes to storage devices are completed with

no data loss.

1.1.3 Intelligent Transportable Battery Backup Units

An intelligent transportable BBU unit, which combines a battery and memory, can be used to move cached data from

a failed controller to a replacement controller. This action could be necessary if, for example, the controller fails after

an unexpected power failure. After you install the iTBBU unit on a new RAID controller of the same type as the failed

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Chapter 1: Introduction

MegaRAID Battery Backup Units Matrix

controller, it flushes the unwritten data preserved in the cache to the drive through the new controller. For more

information, see Section 3.4, Transferring Cached Data from a Failed Controller, on page 130.

1.1.4 RAID Cache Module

The RAID Cache Module 01 (RCM01) is a memory module used with the LSIiBBU09 unit. The RCM01 module, which is

attached to a RAID controller, connects by cable to a LSIiBBU09 unit. The LSIiBBU09 unit is then installed remotely on

the system chassis.

1.1.5 CacheVault Modules

The remote CVPM module provides the power to offload cached data from the DRAM to the nonvolatile flash memory

on the CVFM module if a power failure or outage occurs. The DRAM contents are then restored to the CVFM module

the next time the RAID controller is powered. Cached data can then be written to the storage devices.

CacheVault flash technology virtually eliminates the hardware maintenance associated with batteries, offers lower

total cost of ownership over the life of the controller, and provides more environmentally friendly cache protection, all

while maintaining optimal RAID performance.

1.2 MegaRAID Battery Backup Units Matrix

Avago offers several battery designs in the MegaRAID SAS RAID controller family, as listed in the following table. This

table shows which MegaRAID SAS RAID controllers use each iBBU model and how they are connected.

Table 1 MegaRAID Battery Backup Unit Matrix

BBU Product

Name

Description For RAID Controllers

LSIiBBU01 (NiMH) Intelligent BBU, Nickel Metal Hydride (NiMH)

Technology

 MegaRAID SAS 8888ELP (Remote connect option)

LSIiBBU01 (LiON) Intelligent BBU, Lithium ion (LiON) Technology.

Compatible with backup auxiliary power source.

 MegaRAID SAS 8308ELP (Remote connect option)

 MegaRAID SAS 8344ELP (Remote connect option)

 MegaRAID SAS 84016E (Remote connect option)

LSIiBBU05 (NiMH) Intelligent BBU, NiMH Technology.

Compatible with backup auxiliary power source.

 MegaRAID SAS 8704ELP (Daughtercard)

 MegaRAID SAS 8708ELP (Daughtercard, no auxiliary power

capability)

 MegaRAID SAS 8708E (Daughtercard)

 MegaRAID SAS 8888ELP (Remote connect option)

LSIiBBU05 (LiON) Intelligent BBU, LiON Technology.

Compatible with backup auxiliary power source.

 MegaRAID SAS 8704ELP (Daughtercard)

 MegaRAID SAS 8708ELP (Daughtercard, no auxiliary power

capability)

 MegaRAID SAS 8708E (Daughtercard)

 MegaRAID SAS 8888ELP (Remote connect option)

 MegaRAID SAS 8704EM2 (Remote connect option)

LSIiBBU06 Intelligent BBU, LiON Technology.

Compatible with backup auxiliary power source.

 MegaRAID SAS 8708EM2 (Daughtercard)

 MegaRAID SAS 8708EM2 (Remote connect option)

 MegaRAID SAS 8704EM2 (Remote connect option)

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Chapter 1: Introduction

MegaRAID Battery Backup Units Matrix

LSIiBBU07 Intelligent BBU, LiON Lithium Polymer Cell

Technology. Compatible with backup auxiliary

power source.

Mode 1: The LSIiBBU07 unit uses a small board-to-board connector to

mount directly to the following MegaRAID SAS RAID controllers:

 MegaRAID SAS 8880EM2

 MegaRAID SAS 9260-4i

 MegaRAID SAS 9260-8i

 MegaRAID SAS 9260DE-8i

 MegaRAID SAS 9261-8i

 MegaRAID SAS 9280-4i4e

 MegaRAID SAS 9280-8e

 MegaRAID SAS 9280DE-8e

Mode 2: The LSIiBBU07 unit connects remotely to the following

MegaRAID SAS RAID controllers using a 12-in. cable or a 12-in. cable

and a daughtercard:

 MegaRAID SAS 8880EM2

 MegaRAID SAS 9261-8i

 MegaRAID SAS 9280-4i4e

 MegaRAID SAS 9280-8e

 MegaRAID SAS 9280DE-8e

Table 1 MegaRAID Battery Backup Unit Matrix (Continued)

BBU Product

Name

Description For RAID Controllers

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Chapter 1: Introduction

RAID Cache Module 01 and Supported MegaRAID Controllers

1.3 RAID Cache Module 01 and Supported MegaRAID Controllers

The RAID Cache Module 01 (RCM01) memory module is directly attached to the following RAID controllers:

 MegaRAID SAS 9265-8i

 MegaRAID SAS 9285-8e

 MegaRAID SAS 9286-8e

The RCM01 module, which is attached to a RAID controller, connects by cable to a LSIiBBU09 unit, which is then

installed on the system chassis. See Section 2.6.3, Connecting a Remote LSIiBBU09 Unit on the System Chassis to a

RCM01 Module on a RAID Controller, on page 81, for instructions.

LSIiBBU08 Intelligent BBU, Lithium ion (LiON) Technology.

Compatible with backup auxiliary power source.

Mode 1: The LSIiBBU08 unit uses a small board-to-board connector to

mount directly to the following MegaRAID SAS RAID controllers:

 MegaRAID SAS 9260-4i

 MegaRAID SAS 9260-8i

 MegaRAID SAS 9261-8i

 MegaRAID SAS 9280-4i4e

 MegaRAID SAS 9280-8e

Mode 2: The LSIiBBU08 unit connects remotely to the following

MegaRAID SAS RAID controllers using only a 12-in. cable or a 12-in.

cable and a remote interposer board (where applicable*) that are sold

separately in a Remote Battery Kit:

 MegaRAID SAS 9260-4i*

 MegaRAID SAS 9260-8i*

 MegaRAID SAS 9260-16i

 MegaRAID SAS 9261-8i

 MegaRAID SAS 9280-4i4e

 MegaRAID SAS 9280-8e

 MegaRAID SAS 9280-16i4e

 MegaRAID SAS 9280-24i4e

LSIiBBU09 Intelligent BBU, Lithium ion (LiON) Technology.

Compatible with backup auxiliary power source.

Mode 1: The LSIiBBU09 unit uses a small board-to-board connector to

mount directly to the following MegaRAID SAS RAID controllers:

 MegaRAID SAS 9266-4i

 MegaRAID SAS 9266-8i

Mode 2: The LSIiBBU09 unit connects remotely to the following

MegaRAID SAS RAID controllers using only a 12-in. cable or a 12-in.

cable and a remote interposer board (where applicable*) that are sold

separately in a Remote Battery Kit:

 MegaRAID SAS 9265-8i

 MegaRAID SAS 9266-4i

 MegaRAID SAS 9266-8i

 MegaRAID SAS 9285-8e

LSIiTBBU03 Intelligent transportable BBU, miniDIMM, LiON

technology

 MegaRAID SAS 8888ELP (Daughtercard)

Table 1 MegaRAID Battery Backup Unit Matrix (Continued)

BBU Product

Name

Description For RAID Controllers

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Chapter 1: Introduction

CacheVault Flash Modules and CacheVault Power Modules

1.4 CacheVault Flash Modules and CacheVault Power Modules

The CVFM modules use a mezzanine-style board-to-board connector to provide capacitor charge maintenance,

capacitor health monitoring functions, USB/ONFI interface, and optionally SDRAM between a low-profile PCIe® 3.0

controller and the CVFM module. The CVFM modules are attached directly to RAID controllers and protect cached

data in different ways.

The CVFM modules connect to a CVPM module, which is a super-capacitor pack that provides power for the backup of

your data in case of power loss. The CVPM module is installed directly on the RAID controller or remotely, depending

on the specific module.

The CVPM module provides sufficient energy for the cache memory contents to be transferred from DRAM to a

nonvolatile flash memory array on the CVFM module.

1.4.1 Models of the CacheVault Flash Modules

Avago offers four models of the CacheVault Flash Modules:

 The CVFM01 product is a FPGA cache off-load module that is attached to a MegaRAID RAID controller and

connected by cable to a CVPM01 module that is installed on a remote mount board.

 The CVFM02 product is a USB cache off-load module that is attached to a MegaRAID RAID controller and

connected by cable to a CVPM02 module that is installed on a remote mount board.

 The CVFM03 product combines DDR cache with a USB cache off-load module that is attached to a MegaRAID

RAID controller and connected by cable to a CVPM02 module that is installed on a remote mount board.

 The CVFM04 product is an Open NAND Flash Interface (ONFI) flash module that is attached to a MegaRAID RAID

controller and connected by cable to a CVPM02 module that is installed on a remote mount board.

The following table lists and describes the CVFM modules, and identifies the RAID controllers that usethem.

Table 2 MegaRAID CacheVault Flash Modules Matrix

CVFM Product Name Description For RAID Controllers For Use With

CVFM01 On-board 512-MB nonvolatile DDR2

800MT/s transportable memory module

MegaRAID SAS 9260CV-4i

MegaRAID SAS 9260CV-8i

CVPM01 module

(installed on a remote

mount board)

CVFM02 On-board USB DDR3 transportable

memory module

MegaRAID SAS 9265CV-8i

MegaRAID SAS 9266-4i

MegaRAID SAS 9266-8i

MegaRAID SAS 9285CV-8e

CVPM02 module

(installed on a remote

mount board)

CVFM03 On-board 512-MB or 1-GB nonvolatile

DDR3 1333MT/s and USB transportable

memory module

MegaRAID SAS 9265CV-8i

MegaRAID SAS 9285CV-8e

CVPM02 module

(installed on a remote

mount board)

CVFM04 Open NAND Flash Interface (ONFI) flash

module

MegaRAID SAS 9361-4i

MegaRAID SAS 9361-8i

MegaRAID SAS 9380-4i4e

MegaRAID SAS 9380-8e

CVPM02 module

(installed on a remote

mount board)

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Chapter 1: Introduction

CacheVault Flash Modules and CacheVault Power Modules

1.4.2 Models of the CacheVault Power Modules

Avago offers two models of the CacheVault Power Modules:

 The CVPM01 module is a super-capacitor pack that connects remotely by cable to a CVFM01 module that is

installed on a RAID controller.

 The CVPM02 module is a super-capacitor pack that is installed on a remote mount board, and connects remotely

by cable to a CVFM02, CVFM03, or CVFM04 module that is installed on a RAID controller.

AT TENTIO N You cannot hot-plug CVPM modules. Removing or inserting a

CVPM module with the server powered on damages the board and the

super-capacitor functionality. To attach or remove a CVPM module

from a controller, you must fully power down the controller before you

attach the module to or remove the module from its mating

connector.

The following table lists and describes the CacheVault Power Modules, and identifies the RAID controllers that

use them.

Table 3 MegaRAID CacheVault Power Modules Matrix

CVFM Product Name Description For RAID Controllers For Use With

CVPM01 Super-capacitor pack on printed circuit

board

MegaRAID SAS 9260CV-4i

MegaRAID SAS 9260CV-8i

CVFM01 module

(installed on a RAID

controller)

CVPM02 Super-capacitor pack installed on a clip

that is installed on a remote mount board

MegaRAID SAS 9266-4i

MegaRAID SAS 9266-8i

CVFM02 module

(installed on a RAID

controller)

MegaRAID SAS 9265CV-8i

MegaRAID SAS 9285CV-8e

CVFM03 module

(installed on a RAID

controller)

MegaRAID SAS 9361-4i

MegaRAID SAS 9361-8i

MegaRAID SAS 9380-4i4e

MegaRAID SAS 9380-8e

CVFM04 module

(installed on a RAID

controller)

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU01 Unit

Chapter 2: Installing the Cache Backup Products

This chapter explains how to install the BBU units that are used on MegaRAID SAS RAID controllers and how to

connect the CacheVault module to backup power units.

CAUTION Electrostatic discharge can damage the BBU units and the RAID

controllers on which they are installed. Always ground yourself, and

use a ground strap before touching the RAID controller or the BBU

unit. Perform all installation work at an ESD-safe workstation that

meets the requirements of Electronic Industries Alliance (EIA) EIA-625

(Requirements for Handling Electrostatic Discharge Sensitive Devices).

Follow the ESD-recommended practices in the latest revision of the

Inter-Process Communication (IPC®) IPC-A-610 (Acceptability of

Electronic Assemblies) standard.

If screws are required to attach the iBBU unit to the RAID controller, use an ESD-safe Phillips® screwdriver to install

them. Be sure the screwdriver is centered in the screw to avoid damaging the screw head. If you exceed the maximum

torque specification, you may damage the board, connectors, or screws, and you will void the warranty of the board.

The batteries in the iBBU units must recharge for at least six hours during fast charge under normal

operating conditions.

NOTE To protect your data, Avago recommends that you set the RAID

controller Write Policy to write-through until the battery unit is

charged. After the battery unit is charged, you can change the Write

Policy to write-back to take advantage of the performance

improvements of data caching.

The maximum operating temperature (ambient) for the battery packs is 40 °C. See Chapter 4, Battery Backup Unit and

CacheVault Specifications, for the technical specifications for the iBBU units.

NOTE The temperature of the battery packs are generally 15 °C to 20 °C

higher than the ambient temperature during fast charge. Therefore, to

complete fast charge cycle, ambient temperature should be less than

40 °C. If the ambient temperature exceeds 40 °C, the fast charge cycle

terminates prematurely, which prevents the battery pack from

reaching a fully charged state.

2.1 Installing the LSIiBBU01 Unit

The two types of LSIiBBU01 units are:

 LSI intelligent Battery Backup Unit 01– NiMH (Nickel Metal Hydride)

 LSI intelligent Battery Backup Unit 01 – LiON (Lithium Ion)

WARNING The battery used in this device might present a fire or chemical burn

hazard if mistreated. Do not disassemble, heat above 100 °C, or

incinerate. Dispose of used battery correctly. Keep away from children.

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU01 Unit

2.1.1 Installing the LSIiBBU01 (NiMH) Unit

The NiMH version of the LSIiBBU01 unit is offered with a 12-in. cable to connect the unit remotely to the MegaRAID

SAS 8888ELP RAID controller. Battery charging and recharging take place automatically.

The following figure shows the top view and the bottom view of the LSIiBBU01 unit. (The top view is the side that you

can see after you install the unit on the motherboard or server chassis.) Note the J2 connector and the holes for the

screws that attach the LSIiBBU01 unit to the chassis.

Figure 1 LSIiBBU01 Intelligent Battery Backup Unit

1. J2 Battery Pack Harness Connector

2. J14 Board-to-Board Connector

3. J1 20-pin In-line Connector

4. Battery Pack Harness

The LSIiBBU01 does not mount directly to the MegaRAID controller. Instead, use the supplied 10-in. cable to connect

the LSIiBBU01 unit to a RAID controller, as shown in the example in the following figure. The battery backup unit must

be mounted inside the chassis within 12 in. of the RAID controller.

NOTE Because server and workstation chassis vary from vendor to vendor,

there is no standard mounting option that is compatible with the

various system configurations. Therefore, the LSIiBBU01 battery kit

contains only the battery and the cable, allowing value-added

resellers (VARs) and chassis manufacturers to customize the location

of the remote battery to provide the most flexibility within

various environments.

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU01 Unit

Follow these steps to connect the LSIiBBU01 unit remotely to the MegaRAID SAS 8888ELP RAID controller.

1. Ground yourself, and remove the LSIiBBU01 unit from the package.

2. Use the three Phillips-head screws that are provided to secure the LSIiBBU01 unit to the motherboard or

server chassis.

3. Insert the battery pack harness connector at the end of the 5-pin cable into the J2 connector on the back side of

the unit.

4. Connect the 12-in. cable from the J1 connector on the LSIiBBU01 unit to the J10 battery backup connector on the

back of the RAID controller, as shown in the following figure.

Figure 2 Installing the LSIiBBU01 Unit on the MegaRAID SAS 8888ELP RAID Controller

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU01 Unit

2.1.2 Installing the LSIiBBU01 (LiON) Unit

The Lithium ion (LiON) version of the LSIiBBU01 unit does not connect directly to the MegaRAID controllers. Instead, it

uses the supplied 20-pin, 10-in. cable to connect to them.

The LiON version of the LSIiBBU01 unit is used with these controllers:

 MegaRAID SAS 8308ELP

 MegaRAID SAS 8344ELP

 MegaRAID SAS 84016E

The following figure shows the top view and the bottom view of the LiON LSIiBBU01 unit.

Figure 3 LSIiBBU01 Intelligent Battery Backup Unit

1. Battery Pack Harness

2. J1 Battery Pack Harness Connector

3. J2 Board-to-Board Connector

4. J5 20-pin Inline Cable Connector

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU01 Unit

Follow these steps to install the LSIiBBU01 unit remotely to the MegaRAID SAS 8344ELP RAID controller.

1. Ground yourself, and remove the LSIiBBU01 unit from its package.

2. Use the three Phillips-head screws that are provided to secure the LSIiBBU01 to the motherboard or the

server chassis.

3. Insert the battery pack harness connector at the end of the battery pack harness into the J1 connector on the

bottom side of the LSIiBBU01 unit.

4. Connect the cable from the J5 connector on the LSIiBBU01 unit to the J11 battery backup connector on the back

side of the RAID controller, as shown in the following figure.

The connectors contain black triangles to help you install them correctly. Insert the cable connectors into the

controller connector and the iBBU connector so that the black triangles are aligned, as shown in the example in

the following figure.

CAUTION The cable connector is polarized and can be inserted into the J11

board battery connector only if the rails on the harness connector

align with the slots on the J11 connector. Do not force the cable into

the 20-pin in-line connector. The cable end should insert into the

connector with minimal resistance.

Figure 4 Installing the LSIiBBU01 on the MegaRAID SAS 8344ELP RAID Controller

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU05 Unit

2.2 Installing the LSIiBBU05 Unit

The two types of LSIiBB05 units are:

 LSI intelligent Battery Backup Unit 05– NiMH (Nickel Metal Hydride)

 LSI intelligent Battery Backup Unit 05 – LiON (Lithium Ion)

WARNING The battery used in this device might present a fire or chemical burn

hazard if mistreated. Do not disassemble, heat above 100 °C, or

incinerate. Dispose of used battery correctly. Keep away from children.

2.2.1 Installing the LSIiBB05 (NiMH) Unit

The LSIiBB05 NiMH intelligent BBU unit has built-in functionality to charge the battery pack automatically and to

communicate battery status information such as voltage, temperature, and current, to the host computer system.

The LSIiBB05 unit, which features NiMH battery cell technology, can be used in two application modes:

 Mode 1: The LSIiBB05 unit mounts directly to the following SAS RAID controllers using a small board-to-board

connector (daughtercard):

— MegaRAID SAS 8704ELP

— MegaRAID SAS 8708ELP

 Mode 2: The LSIiBB05 unit connects remotely to the following SAS RAID controller using a 12-in. cable:

— MegaRAID SAS 8888ELP

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU05 Unit

2.2.1.1 Top View and Bottom View of the LSIiBB05 NiMH Unit

The following figure displays the top view and the bottom view of the card, the screws, and the standoffs. (The top

view is the side that you can see after you install the LSIiBB05 unit on the RAID controller.) Note that this unit combines

a battery pack with a daughtercard.

Figure 5 LSIiBB05 NiMH Unit and Components

1. J2 Battery Pack Harness Connector

2. J1 Connector

3. J14 Board-to-Board Connector

4. Battery Pack Harness

2.2.1.2 Connecting the LSIiBB05 NiMH Unit Directly to the RAID Controller

The first method for connecting the LSIiBB05 unit is to mount it directly to the RAID controller using a small

board-to-board connector known as a daughtercard. Follow the steps in this section to install the LSIiBB05 unit on the

MegaRAID SAS 8704ELP RAID controller or the MegaRAID SAS 8708ELP RAID controller.

Perform the following tasks described in this section to connect the LSIiBB05 NiMH unit directly to the RAID controller:

1. Remove the RAID controller from the host system. See Section 2.2.1.3, Removing the RAID Controller from the

Host Computer, on page 18.

2. Install the LSIiBBU05 NiMH unit directly to the RAID controller. See Section 2.2.1.4, Installing the LSIiBB05 NiMH

Unit on the RAID Controller, on page 18.

3. Reinstall the RAID controller on the motherboard on the host system. See Section 2.2.1.5, Reinstalling the RAID

Controller on the Motherboard, on page 19.

85006-00

iBBU Bottom View

J14

J1

J2

iBBU Top View

1

2

3

4

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Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU05 Unit

2.2.1.3 Removing the RAID Controller from the Host Computer

If the RAID controller is already installed in a host computer, follow these steps to remove it before you install the

LSIiBB05 unit:

1. Shut down the computer, turn off the power, and unplug the power cords.

2. Remove the cover from the computer according to the instructions in the system user’s manual so you can access

the RAID controller.

3. Ground yourself before touching the RAID controller.

4. Unplug all cables from the RAID controller, remove the screw that attaches the bracket to the computer case, and

carefully remove the RAID controller from the slot.

5. Place the RAID controller on a flat, clean, static-free surface, and continue with the next section.

2.2.1.4 Installing the LSIiBB05 NiMH Unit on the RAID Controller

Perform the following steps to mount the LSIiBB05 unit directly to the RAID controller using the daughtercard. (All

components are installed on the bottom of the card. The battery is installed on the top. The maximum height of

components installed on the LSIiBBU05 is 0.125 in.

1. Ground yourself, and remove the LSIiBB05 daughtercard from the package.

2. Insert the battery pack harness connector at the end of the 5-pin cable into the 5-pin J2 connector on the back

side of the LSIiBB05 unit.

3. With the RAID controller on a flat, clean, static-free surface, hold the LSIiBB05 daughtercard so that the battery

side is facing upward, and the J14 board-to-board connector lines up with the J7 BBU connector on the RAID

controller, as shown in the following figure.

Figure 6 Installing the LSIiBB05 Daughtercard on the MegaRAID SAS 8708ELP RAID Controller

4. Carefully press the LSIiBB05 unit onto the RAID controller, so that the two connectors are firmly joined.

5. Use the Phillips-head screws that are provided to secure the unit to the controller with the M2.50-0.45 x 5-mm

screws, and the 6-mm standoffs in the three screwholes.

The standoffs are threaded at both ends and a 6-mm screw goes into each end.

NOTE Center the screwdriver carefully to avoid stripping the screwhead.

Do not overtighten the screws.

Avago Technologies

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Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User Guide

May 2015

Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU05 Unit

2.2.1.5 Reinstalling the RAID Controller on the Motherboard

Follow these steps to reinstall the controller in the computer.

1. Install the controller in the computer in the PCI Express® slot, as shown in the following figure.

2. Press down gently, but firmly, to seat the card correctly in the slot.

The bottom edge of the controller must be flush with the slot. Secure the controller to the computer chassis with

the bracket screw.

CAUTION Never apply pressure to the LSIiBB05 unit when you insert the RAID

controller. Instead, press down only on the top edge of the RAID

controller, as shown in the following figure.

Figure 7 Installing the MegaRAID SAS 8708ELP RAID Controller

3. Attach the RAID controller to the computer chassis with the bracket screw.

4. Attach the cables, as needed, to the connectors on the RAID controller.

5. Replace the computer cover and reattach the power cords.

6. Turn on the power to the computer.

NOTE Refer to the MegaRAID SAS Software User Guide for information on

running the RAID configuration utility and the MegaRAID SAS Device

Driver Installation User Guide for information on installing the

software drivers.

85008-05

Edge of Motherboard

LSIiBBU05 (Top View)

Bracket Scre w

Edge of

Motherboard

Press Here

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Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User Guide

May 2015

Chapter 2: Installing the Cache Backup Products

Installing the LSIiBBU05 Unit

2.2.1.6 Connecting the LSIiBB05 NiMH Unit Remotely to the RAID Controller

You can connect the LSIiBB05 NiMH unit remotely to the MegaRAID SAS 8888ELP RAID controller, using the supplied

12-in. cable. The battery backup unit must be mounted inside the chassis within 10 in. of the RAID controller.

Because server and workstation chassis vary from vendor to vendor, there is no standard mounting option that is

compatible with the various system configurations. Therefore, the LSIiBB05 battery kit contains only the battery and

the cable, allowing VAR’s and chassis manufacturers to customize the location of the remote battery to provide the

most flexibility within various environments.

Follow these steps to install the LSIiBB05 unit remotely.

1. Ground yourself, and remove the LSIiBB05 unit from the package.

2. Use the three Phillips-head screws that are provided to secure the unit to the motherboard or server chassis.

3. Insert the battery pack harness connector at the end of the 5-pin cable into the J2 connector on the back side of

the LSIiBB05 unit.

4. Use the supplied 20-pin, 10-in. cable to connect the J1 connector on the LSIiBB05 unit to the J10 battery backup

connector on the back side of the MegaRAID SAS 8888ELP RAID controller, as shown in the following figure.

The connectors contain black triangles to help you install them correctly. Insert the cable connectors into the

controller connector and the iBBU connector so that the black triangles are aligned, as shown in the example in

the following figure.

Figure 8 Connecting the LSIiBB05 NiMH Unit to the MegaRAID SAS 8888ELP RAID Controller

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