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BDA Boot Process Frequently Asked Questions (FAQ) (Doc ID 2042579.1)

Last updated on JUNE 04, 2021

Applies to:

Big Data Appliance Hardware - Version All Versions and later
Linux x86-64

Purpose

 This note is a BDA boot process FAQ.

Questions and Answers

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In this Document
Purpose
Questions and Answers
 Do BDA servers always boot by default from the internal USB drive?
 What is the default boot order?
 What should the "fallback" list in the BDA grub.conf look like?
 Under what conditions would a BDA node depend on the  /etc/grub.conf "fallback" list?
 Is the fallback list 0 based or starts from 1?
 What about the splashimage field, should be it commented out in the grub.conf or not?
 What would be the reason for a BDA node not booting from the default /etc/grub.conf entry?
 Since by default the BIOS boots from the internal USB disk which grub.conf is initially read?
 The BDA grub.conf has several kernel boot entries.  How does that work?
 The BDA may boot from different entries depending on several factors.  What are those factors?

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