Broadcom Cache Backup User guide

Cache Backup Products for

MegaRAID® SAS+SATA

RAID Controllers

User Guide

45646-00, Revision A

January 2011

45646- 00A

LSI, the LSI logo, and MegaRAID are trademarks or registered trademarks of LSI Corporation or its subsidiaries. All other brand and product names may be trademarks of their respective companies.

This preliminary document describes a preproduction product and contains information that may change substantially for any final commercial release of the product. LSI Corporation makes no express

or implied representation or warranty as to the accuracy, quality, or completeness of information contained in this document, and neither the release of this document nor any information included in it

obligates LSI Corporation to make a commercial release of the product. LSI Corporation reserves the right to make changes to the product(s) or information disclosed herein at any time without notice.

LSI Corporation does not assume any responsibility or liability arising out of the application or use of any product or service described herein, except as expressly agreed to in writing by LSI Corporation;

nor does the purchase, lease, or use of a product or service from LSI Corporation convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual property rights

of LSI Corporation or of third parties.

This document contains proprietary information of LSI Corporation. The information contained herein is not to be used by or disclosed to third parties without the express written permission of

LSI Corporation.

Warranty Notice: Adding a battery on a MegaRAID RAID controller will limit the warranty of this product. Returns determined to be caused by battery installation damage, stripped screws, or other

damage resulting from the battery installation will not be covered. ESD damage to the board will also not be covered by the warranty.

Corporate Headquarters Website

Milpitas, CA www.lsi.com

800-372-2447

Document Number: 45646-00 Rev. A

Revision History

Version and Date Description of Changes

45646-00 Rev. A, January 2011 Original release of this document.

| January 2011 Page 3

Table of Contents

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide 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 Transportable Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

1.2 Types of Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

1.3 MegaRAID Battery Backup Units Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

1.4 Transportable Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

1.5 SuperCapacitor Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Chapter 2: Installing the Cache Backup Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2.1 Installing the LSIiBBU01 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2.1.1 Installing the LSIiBBU01 (NiMH) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2.1.2 Installing the LSIiBBU01 (LiON) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

2.2 Installing the LSIiBBU05 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

2.2.1 Installing the LSIiBBU05 (NiMH) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

2.2.2 Installing the LSIiBBU05 (LiON) Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

2.3 Installing the LSIiBBU06 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

2.3.1 Top View and Bottom View of the LSIiBBU06 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

2.3.2 Connecting a LSIiBBU06 Unit Directly to a RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

2.3.3 Connecting the LSIiBBU06 Remotely to the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

2.4 Installing the LSIiBBU07 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

2.4.1 Front View and Rear View of the LSIiBBU07 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

2.4.2 Installing the LSIiBBU07 Unit Directly on a RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

2.4.3 Connecting the LSIiBBU07 Remotely to the MegaRAID SAS RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

2.4.4 Connecting the Remote LSIiBBU07 Unit to the BBU Connector on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

2.4.5 Connecting the Remote LSIiBBU07 to the Daughtercard on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

2.5 Installing the LSIiBBU08 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

2.5.1 Front View and Rear View of the LSIiBBU08 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

2.5.2 Installing the LSIiBBU08 Directly on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

2.5.3 Connecting the LSIiBBU08 Remotely to the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

2.5.4 Connecting the Remote LSIiBBU08 Unit to an Interposer Card on the RAID Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

2.5.5 Connecting a LSIiBBU08 Unit on a Remote Mounting Board to a TMM02 Module on a RAID Controller . . . . . . . . . . . . . . . . .49

2.6 Installing the LSIiBBU09 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

2.6.1 Top View and Bottom View of the LSIiBBU09 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

2.6.2 Connecting a Remote LSIiBBU09 Unit on the System Chassis to a TMM02 Module on a RAID Controller . . . . . . . . . . . . . . . .54

2.6.3 Connecting a LSIiBBU09 Unit on a Remote Mounting Board to a TMM02 Module on a RAID Controller . . . . . . . . . . . . . . . . .57

2.7 Installing the LSIiTBBU03 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

2.8 Connecting the TMM01 on a SAS 9260 RAID Controller to a CAP01 Super-Capacitor Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

2.8.1 Top View and Bottom View of the TMM01 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

2.8.2 Connecting the TMM01 on a SAS 9260 RAID Controller to a CAP01 Super-Capacitor Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

2.9 Connecting the TMM02 Module on a

SAS RAID Controller to an LSIiBBU08 Unit or an LSIiBBU09 Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

2.9.1 Top View and Bottom View of the TMM02 Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Chapter 3: Using the Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

3.1 Monitoring BBUs with the MegaRAID Configuration Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

3.1.1 Monitoring BBUs with the WebBIOS Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

3.1.2 Monitoring BBUs with MegaCLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

Page 4 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideTable of Contents

3.1.3 Monitoring Battery Backup Units with MegaRAID Storage Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

3.1.4 Battery Learn Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

3.2 Replacing Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

3.3 Disposing of Battery Backup Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

3.4 Transferring Cached Data from a Failed Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

Chapter 4: Battery Backup Unit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

4.1 Specifications for the BBU Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

4.2 Battery Life and Data Retention Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83

| January 2011 Page 5

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 1: Introduction

| Overview

Chapter 1

This guide documents the LSI™ family of MegaRAID® intelligent battery backup units

(iBBUs) and transportable memory modules (TMMs) for use with its high-performance

MegaRAID SAS+SATA RAID controllers.

1.1 Overview The battery backup units and the transportable 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. An onboard iBBU unit or TMM module on a

MegaRAID controller eliminates this risk.

1.1.2 Intelligent Battery Backup

Units

The MegaRAID iBBUs 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 Transportable Memory

Modules

The TMMs are attached directly to the RAID controllers that use them and they provide

cache backup. The memory cache backup method uses an onboard FPGA to offload

the SDRAM contents to on-board flash memory in the case of a failure condition.

Depending on the RAID controller, power for the cache offload is provided by either a

remote iBBU unit or a CAP01 unit, which is the CacheVault (CV) super-capacitor pack.

The iBBU unit and the CAP01 unit are installed on remote mounting boards and

connected by cable to the TMM module.

1.2 Types of Battery Backup

Units

LSI supports intelligent BBUs and transportable intelligent BBUs for MegaRAID RAID

controllers.

Introduction

Page 6 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 1: Introduction

| MegaRAID Battery Backup Units Matrix

An intelligent BBU 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.

A transportable intelligent BBU can be used to move a RAID controller's cached data to a

replacement controller if that data has not been written to a drive. This could be

necessary if, for example, the controller fails after an unexpected power failure. After

you install the transportable iBBU on the new RAID 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.

1.3 MegaRAID Battery

Backup Units Matrix

LSI offers several battery designs in the MegaRAID SAS RAID controller family, as listed

in Table 1. 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 auxillary 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 auxillary power source.

MegaRAID SAS 8704ELP (Daughtercard)

MegaRAID SAS 8708ELP (Daughtercard, no auxillary power

capability)

MegaRAID SAS 8708E (Daughtercard)

MegaRAID SAS 8888ELP (Remote connect option)

LSIiBBU05 (LiON) Intelligent BBU, LiON Technology.

Compatible with backup auxillary power source.

MegaRAID SAS 8704ELP (Daughtercard)

MegaRAID SAS 8708ELP (Daughtercard, no auxillary power

capability)

MegaRAID SAS 8708E (Daughtercard)

MegaRAID SAS 8888ELP (Remote connect option)

MegaRAID SAS 8704EM2

LSIiBBU06 Intelligent BBU, LiON Technology.

Compatible with backup auxillary power source.

MegaRAID SAS 8708EM2 (Daughtercard)

MegaRAID SAS 8708EM2 (Remote connect option)

MegaRAID SAS 8704EM2

| January 2011 Page 7

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 1: Introduction

| MegaRAID Battery Backup Units Matrix

LSIiBBU07 Intelligent BBU, LiON Lithium Polymer Cell

Technology. Compatible with backup auxillary

power source.

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

mount directly to the following 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 connects remotely to the following SAS

RAID controllers using a 12-inch cable or a 12-inch cable and a

daughtercard:

• MegaRAID SAS 8880EM2

• MegaRAID SAS 9261-8i

• MegaRAID SAS 9280-4i/4e

• MegaRAID SAS 9280-8e

• MegaRAID SAS 9280DE-8e

LSIiBBU08 Intelligent BBU, Lithium ion (LiON) Technology.

Compatible with backup auxillary power source.

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

mount directly to the following 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 connects remotely to the following SAS

RAID controllers using a 12-inch cable or a 12-inch 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 auxillary power source.

• MegaRAID SAS 9265-8i (Remote connect option)

• MegaRAID SAS 9285-8e (Remote connect option)

LSIiTBBU03 Intelligent transportable BBU, miniDIMM, LiON

technology

MegaRAID SAS 8888ELP (Daughtercard)

Table 1: MegaRAID Battery Backup Unit Matrix

BBU Product Name Description For RAID Controllers

Page 8 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 1: Introduction

| Transportable Memory Modules

1.4 Transportable Memory

Modules

LSI offers two models of the transportable memory modules:

 TMM01 module

 TMM02 module

The TMMs use a mezzanine-style board-to-board connector to provide an 800MT/s

DDR2 SDRAM interface between a low-profile PCIe2.0 Host-Board Adapter (HBA) and

the memory ICs.

Table 2 lists and describes the TMMs, and identifies the RAID controllers that use them.

The MegaRAID SAS 9260CV-4i RAID controller and the MegaRAID SAS 9260CV-4i RAID

controller support the TMM01 module, which is on-board 512MB non-volatile DDR2

800MT/s transportable memory module. The TMM01 unit connects to a remote CAP01

unit, which is a super-capacitor pack that provides power for the backup of your data in

case of power loss. The CAP01 unit is installed on a remote mounting board.

The MegaRAID SAS 9265-8i RAID controller and the MegaRAID SAS 9285-8e RAID

controller support the TMM02 module, which is an on-board 512 MB or 1 GB

non-volatile DDR3 1333MT/s transportable memory module. The TMM02 unit connects

to a remote LSI intelligent Battery Backup Unit 09 (LSIiBBU09) that is installed on a

remote mounting board.

1.5 SuperCapacitor Pack The CAP01 unit is a super-capacitor pack that provides power for the backup of your

data in case of power loss. The CAP01 unit is an intelligent backup power supply

solution, providing both capacitor charge maintenance and capacitor health

monitoring functions similar to those of an intelligent Battery Backup Unit (iBBU).

The CAP01 unit provides sufficient energy for the cache memory contents to be

transferred from DRAM to a non-volatile flash memory array on the TMM01 unit for

infinite cache data retention time. The CAP01 is installed on a remote mounting board

and connects by cable to the TMM01 on the MegaRAID SAS 9260CV-4i RAID controller

and the MegaRAID SAS 9260CV-8i RAID controller.

Table 2: MegaRAID Transportable Memory Modules Matrix

TMM Product Name Description For RAID Controllers

TMM01 On-board 512MB non-volatile DDR2 800MT/s

transportable memory module

MegaRAID SAS 9260CV-4i RAID controller

MegaRAID SAS 9260CV-8i RAID controller

TMM02 On-board 512-MB or 1-GB non-volatile DDR3 1333MT/s

transportable memory module

MegaRAID SAS 9265-8i RAID controller

MegaRAID SAS 9285-8e RAID controller

| January 2011 Page 9

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 2: Installing the Cache Backup Products

|

Chapter 2

This chapter explains how to install the BBUs that are used on MegaRAID SAS RAID

controllers and connect the TMMs to backup power units. Click on a link below to view

instructions for a specific product:

 Section 2.1, Installing the LSIiBBU01 Unit

 Section 2.2, Installing the LSIiBBU05 Unit

 Section 2.3, Installing the LSIiBBU06 Unit

 Section 2.4, Installing the LSIiBBU07 Unit

 Section 2.5, Installing the LSIiBBU08 Unit

 Section 2.6, Installing the LSIiBBU09 Unit

 Section 2.7, Installing the LSIiTBBU03 Unit

 Section 2.8, Connecting the TMM01 Module on a SAS 9260 RAID Controller to a

CAP01 Super-Capacitor Pack

 Section 2.9, Connecting the TMM02 Module on a SAS RAID Controller to an

LSIiBBU08 Unit or an LSIiBBU09 Unit

CAUTION: Electrostatic discharge can damage the BBUs and the RAID controllers on

which they are installed. Always ground yourself, and/or use a ground strap before

touching the RAID controller or the BBU. Perform all installation work at an ESD-safe

workstation that meets the requirements of EIA-625—“Requirements for Handling

Electrostatic Discharge Sensitive Devices.” Follow the ESD-recommended practices in

the latest revision of IPC-A-610.

If screws are required to attach the iBBU 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 iBBUs must recharge for at least six hours during fast charge under

normal operating conditions. To protect your data, LSI™ recommends that you set the

RAID controller Write Policy to write-through until the battery unit is fully charged.

When 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 for the technical specifications for the iBBUs.

Installing the Cache Backup Products

Page 10 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU01 Unit

NOTE: The temperature of the battery packs are generally 15–20 degrees 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 will terminate prematurely, thus preventing 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)

CAUTION: The battery used in this device might present a fire or chemical burn hazard

if mistreated. Do not disassemble, heat above 100 °C (212 °F) or incinerate. Dispose of

used battery properly. Keep away from children.

2.1.1 Installing the LSIiBBU01

(NiMH) Unit

The NiMH version of the LSIiBBU01 unit is offered with a 12-inch cable to connect the

unit remotely to the MegaRAID SAS 8888ELP RAID controller. Battery charging and

recharging take place automatically.

Figure 1 shows top and bottom views of the LSIiBBU01 unit. (The “top” side is the side

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 Connector

3. J1 Board-to-board Connector

4. Battery Pack Harness

| January 2011 Page 11

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU01 Unit

The LSIiBBU01 does not mount directly to the MegaRAID controller. Instead, use the

supplied 10-inch cable to connect the LSIiBBU01 unit to a RAID controller, as shown in

the example in Figure 2. The battery backup unit must be mounted inside the chassis

within 12 inches 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.

Follow these steps to connect the LSIiBBU01 unit remotely to the 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 backside of the unit.

4. Connect the 12-inch cable from the J1 connector on the LSIiBBU01 unit to the J10

battery backup connector on the back of the SAS 8888ELP controller, as shown in

Figure 2.

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

Page 12 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 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-inch 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

Figure 3 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 In-line Cable Connector

Follow these steps to install the LSIiBBU01 unit remotely to the 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 SAS 8344ELP RAID controller, as shown in

Figure 4.

There are black triangles on the connectors to help you install them properly. 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 Figure 4.

| January 2011 Page 13

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

NOTE: 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 SAS 8344ELP RAID Controller

2.2 Installing the LSIiBBU05

Unit

The two types of LSIiBBU05 units are:

 LSI intelligent Battery Backup Unit 05- NiMH (nickel metal hydride)

 LSI intelligent Battery Backup Unit 05 - LiON (lithium ion)

CAUTION: The battery used in this device might present a fire or chemical burn hazard

if mistreated. Do not disassemble, heat above 100 °C (212 °F) or incinerate. Dispose of

used battery properly. Keep away from children.

2.2.1 Installing the LSIiBBU05

(NiMH) Unit

The LSIiBBU05 NiMH intelligent BBU 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 LSIiBBU05 unit, which features NiMH battery cell technology, can be used in two

application modes:

 Mode 1: The LSIiBBU05 unit mounts directly to the following SAS RAID controllers

using a small board-to-board connector (daughtercard):

Page 14 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

— MegaRAID SAS 8704ELP

— MegaRAID SAS 8708ELP

 Mode 2: The LSIiBBU05 unit connects remotely to the following SAS RAID controller

using a 12-inch cable:

— MegaRAID SAS 8888ELP

2.2.1.1 Top View and Bottom

View of the LSIiBBU05 NiMH Unit

Figure 5 displays the top view and the bottom view of the card, the screws, and the

standoffs. (The “top” side is the side you can see after you install the LSIiBBU05 unit on

the RAID controller.) Note that this unit combines a battery pack with a daughtercard.

Figure 5: LSIiBBU05 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

LSIiBBU05 NiMH Unit Directly to

the RAID Controller

The first method for connecting the LSIiBBU05 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 LSIiBBU05 unit on the SAS 8704ELP RAID

controller or the SAS 8708ELP RAID controller.

Perform the following tasks described in this section to connect the LSIiBBU05 NiMH

unit directly to the RAID controller:

1. Removing the RAID Controller from the Computer

85006-00

iBBU Bottom View

J14

J1

J2

iBBU Top View

1

2

3

4

| January 2011 Page 15

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

2. Connecting the LSIiBBU05 NiMH Unit Directly to the RAID Controller

3. Reinstalling the RAID Controller on the Motherboard

2.2.1.3 Removing the RAID

Controller from the Computer

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

before you install the LSIiBBU05 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 LSIiBBU05

NiMH Unit on the RAID Controller

Perform the following steps to mount the LSIiBBU05 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”.)

1. Ground yourself, and remove the LSIiBBU05 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 backside of the LSIiBBU05 unit.

3. With the RAID controller on a flat, clean, static-free surface, hold the LSIiBBU05

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

Figure 6.

Figure 6: Installing the LSIiBBU05 Daughtercard on the MegaRAID SAS 8708ELP RAID

Controller

4. Carefully press the LSIiBBU05 unit onto the RAID controller, so that the two

connectors are firmly joined.

Page 16 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

5. Use the Phillips-head screws that are provided to secure the unit to the controller

with the M2.50-0.45 x 5mm screws, and the 6mm standoffs in the three screwholes.

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

CAUTION: Center the screwdriver carefully to avoid stripping the screwhead. Do not

over-tighten the screws.

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 Figure 7.

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 LSIiBBU05 unit when you insert the RAID

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

Figure 7.

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.

85008-05

Edge of Motherboard

LSIiBBU05 (Top View)

Bracket Scre w

Edge of

Motherboard

Press Here

| January 2011 Page 17

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

NOTE: Refer to the MegaRAID SAS Software User Guide for information about running

the RAID configuration utilities and the MegaRAID SAS Device Drivers Installation User

Guide for installing software drivers.

2.2.1.6 Connecting the

LSIiBBU05 NiMH Unit Remotely to

the RAID Controller

You can connect the LSIiBBU05 NiMH unit remotely to the MegaRAID SAS 8888ELP

RAID controller, using the supplied 12-inch cable. The battery backup unit must be

mounted inside the chassis within 10 inches 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 LSIiBBU05 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 LSIiBBU05 unit remotely.

1. Ground yourself, and remove the LSIiBBU05 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 backside of the LSIiBBU05 unit.

4. Use the supplied 20-pin, 10-inch cable to connect the J1 connector on the

LSIiBBU05 unit to the J10 battery backup connector on the back side of the SAS

8888ELP RAID controller, as shown in Figure 8.

There are black triangles on the connectors to help you install them properly. 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 Figure 8.

Page 18 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

Figure 8: Connecting the LSIiBBU05 NiMH Unit to the MegaRAID SAS 8888ELP RAID

Controller

2.2.2 Installing the LSIiBBU05 (LiON)

Unit

The LSIiBBU05 LiON intelligent BBU is designed for use on MegaRAID SAS RAID

controllers. It protects the integrity of the cached data on a MegaRAID controller for up

to 72 hours in the event of a complete AC power failure or a brief power outage.

The LSIiBBU05 LiON battery cell technology, can be used in two application modes:

 Mode 1: The LSIiBBU05 unit mounts directly to the following MegaRAID SAS RAID

controllers using a small board-to-board connector (daughtercard):

— MegaRAID SAS 8704ELP

— MegaRAID SAS 8708ELP

 Mode 2: The LSIiBBU05 unit supports remote connection to the following SAS RAID

controller using a 12-inch cable:

— MegaRAID SAS 8888ELP

2.2.2.1 Top View and Bottom

View of the LSIiBBU05 LiON Unit

Figure 9 shows the top view and the bottom view of the LSIiBBU05 unit, the M2.50-0.45

x 5mm screws, and the 6mm standoffs. (The “top” side is the side that you can see after

you install the unit on the RAID controller.) The LSIiBBU05 unit combines a battery pack

with a daughtercard.

| January 2011 Page 19

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User Guide Chapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

1. J3 Battery Pack Harness Connector

2. Battery Pack Harness

3. J1 Connector

4. J2 Board-to-board Connector

Figure 9: LSIiBBU05 LiON Unit and Components

2.2.2.2 Connecting the

LSIiBBU05 LiON Unit Directly to the

RAID Controller

The first method for connecting the LSIiBBU05 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 LSIiBBU05 unit on the SAS 8704ELP RAID

controller or the SAS 8708ELP RAID controller.

Perform the following tasks described in this section, in order, to connect the LSIiBBU05

LiON unit directly to the RAID controller:

1. Removing the RAID Controller from the Computer

2. Installing the LSIiBBU05 LiON Unit Directly on the RAID Controller

3. Reinstalling the RAID Controller on the Motherboard

2.2.2.3 Removing the RAID

Controller from the Computer

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

before you install the LSIiBBU05 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.

Page 20 | January 2011

Cache Backup Products for MegaRAID® SAS+SATA RAID Controllers User GuideChapter 2: Installing the Cache Backup Products

| Installing the LSIiBBU05 Unit

2.2.2.4 Installing the LSIiBBU05

LiON Unit Directly on the RAID

Controller

Perform the following steps to mount the LSIiBBU05 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”.)

1. Insert the battery pack harness connector at the end of the 5-pin cable into the

5-pin J3 connector on the backside of the LSIiBBU05 unit.

2. With the RAID controller on a flat, clean, static-free surface, hold the LSIiBBU05 unit

daughtercard so that the battery side is facing upward, and the J2 board-to-board

connector lines up with the J7 BBU connector on the RAID controller, as shown in

Figure 10.

Figure 10: Installing the LiON LSIiBBU05 on the SAS 8708ELP RAID Controller

3. Carefully press the LSIiBBU05 unit onto the controller, so that the two connectors

are firmly joined.

4. Use the Phillips-head screws that are provided to secure the LSIiBBU05 unit to the

controller with the M2.50-0.45 x 5mm screws, and the 6mm standoffs in the three

screwholes.

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

CAUTION: Center the screwdriver carefully to avoid stripping the screwhead. Do not

over-tighten the screws.

2.2.2.5 Reinstalling the RAID

Controller on the Motherboard

Follow these steps to reinstall the RAID controller on the motherboard.

1. Install the controller in the computer in the PCI Express slot, as shown in Figure 11.

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.

3. Secure the controller to the computer chassis with the bracket screw.

CAUTION: Never apply pressure to the LSIiBBU05 unit when you insert the RAID

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

Figure 11.

Page is loading ...

Broadcom Cache Backup User guide

This manual is also suitable for

Broadcom Cache Backup User guide

Related papers

Other documents