My Oracle Support Banner

FAQ for Troubleshooting a BDA Node Hang Due to a Kernel Crash Requiring a Kdump for Analysis (Doc ID 2129071.1)

Last updated on DECEMBER 25, 2019

Applies to:

Big Data Appliance Integrated Software - Version 4.2.0 and later
Linux x86-64

Purpose

Provide an FAQ of troubleshooting tips for cases when a BDA node hangs due to a kernel crash and a kernel crash dump (kdump) is required. 

Questions and Answers

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Purpose
Questions and Answers
 In the case of a node hang, due to a kernel crash is the first action is to trigger a kdump from the ilom?
 In the case of a Node with a kernel panic, is a crash dump automatically triggered in the crash directory if things are properly configured for that?
 Are there any times when a server would not generate a vmcore if the kdump was triggered properly?
 How could an Out of Memory (OOM) condition crash the system?
 What kind of Action Plan could be used if node crashes of this nature persist?
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.