Reference information on LSI HBA battery backup unit (BBU) used on SAS2 RAID HBA
(Doc ID 1542070.1)
Last updated on MARCH 17, 2023
Applies to:
Sun Fire X4270 M2 Server - Version Not Applicable and laterSun 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 |