Steps to Clear a Disk's Preserved Cache on it's RAID HBA during Boot in Bios Screen on Oracle Big Data Appliance Hardware X5-2 and Higher

Asset ID:	1-79-2091406.1
Update Date:	2017-05-23
Keywords:

Solution Type Predictive Self-Healing Sure

Solution 2091406.1 : Steps to Clear a Disk's Preserved Cache on it's RAID HBA during Boot in Bios Screen on Oracle Big Data Appliance Hardware X5-2 and Higher

Applies to:

Big Data Appliance Integrated Software - Version 3.1.0 and later
Big Data Appliance X5-2 Hardware - Version All Versions and later
Linux x86-64

Purpose

This document provides steps to clear preserved cache on a disk in Bios screen on a Oracle Big Data Appliance (BDA) Hardware X5-2 and higher.

The steps here show how to clear preserved cache on the RAID Controller. They clear a disk's Preserved Cache on it's RAID HBA during Boot in Bios Screen on Oracle Big Data Applicance Hardware X5-2 and Higher.

Scope

BDA Administrators and ACS

Details

On BDA , boot process stops with below error

Clearing disk preserved cache in Bios
Hitting enter when above error is returned enters into BIOS screen

1) Enter CTRL-P/CTRL-N to traverse between sections in Bios Configuration screen

2) In VD Mgmt section

3) Highlight "LSI MegaRAID..." and press F2 operations

4) In F2 menu , choose 'Manage Preserved Cache' option

Clearing disk preserved cache in Bios

Note :- If 'Manage Preserved Cache' option , is NOT highlighted then open an SR for further assistance .

5) Once 'Preserved Cache' is cleared , click on 'Ctrl-Alt-Delete' from the ILOM Menu on the top off the screen to reboot the node

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