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Oracle Linux: Troubleshoot Oracle Linux Server Unplanned Reboot/Restart Problems (Doc ID 2289424.1)

Last updated on OCTOBER 13, 2022

Applies to:

Linux OS - Version Oracle Linux 4.4 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86

Purpose

Linux server gets unplanned reboot and one need to find out the cause. Normally, one will check the system log file (/var/log/messages) to identify if there is any presented clue before the reboot.

However, in case of kernel crash, cluster software eviction or even a Hardware failure, the system log may not have chance to record the fatal error messages.

This note provide a general guide on how one can validate cause of reboot of linux nodes in such situation.

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
References


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