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Reference information on LSI HBA battery backup unit (BBU) used on SAS2 RAID HBA (Doc ID 1542070.1)

Last updated on JANUARY 04, 2021

Applies to:

Sun Fire X4270 M2 Server - Version Not Applicable and later
Sun Fire X4470 Server - Version Not Applicable and later
Sun Blade X3-2B - Version Not Applicable and later
Sun Server X2-4 - Version Not Applicable and later
Netra Blade X3-2B - Version Not Applicable and later
Information in this document applies to any platform.

Purpose

 Provide general reference information on LSI HBA battery backup unit (BBU) used on SAS2 RAID HBA's (SGX-SAS6-R-INT-Z and SGX-SAS6-R-REM-Z) provided with Oracle systems.

Scope

 This document covers LSI HBA battery backup units.

Note LSI is the original manufacturer, and was later taken over by AvagoTech and now Broadcom. All 3 company names may appear in different places in documentation and firmware output.

Details

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In this Document
Purpose
Scope
Details
 About LSI SAS2 HBA Batteries
 Write-Back vs. Write-Through mode
 Battery Monitoring via Learn Cycles
 Battery Operating Temperature Guidelines
 Battery Swelling Guidelines
 Battery Related MegaCLI Commands

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