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Oracle Linux 8: How to Configure Early-kdump Support Feature (Doc ID 2579195.1)

Last updated on SEPTEMBER 24, 2019

Applies to:

Linux OS - Version Oracle Linux 8.0 and later
Linux x86-64

Goal

 This document will guide to configure the early-kdump feature in oracle linux 8

Solution

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In this Document
Goal
Solution
 Configure kdump service
 Append the parameter rd.earlykdump to kernelopts line in /boot/grub2/grubenv file
 Re-create initramfs to add early-kdump modules
 Reboot the box to load the changes
 Once the server back online, check the status of early-kdump
 Test the early-kdump using custom systemd unit files and make the panic using SysRq crash
 Enable this test_early_kdump service at the boot level
 Disable the custom unit & script files and remove after tested
References

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