Troubleshoot Oracle Linux Server Unplanned Reboot/Restart Problems
(Doc ID 2289424.1)
Last updated on MAY 12, 2020
Applies to:
Linux OS - Version Oracle Linux 4.4 and laterOracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86
Purpose
Your Linux server gets unplanned reboot and you need to find out the cause. Normally, you 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 genera guide on how you can validate cause of reboot of linux nodes in such situation.
Troubleshooting Steps
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In this Document
| Purpose |
| Troubleshooting Steps |
| 1. Check Console Log first (if there is console log available when the unplanned reboot occurs) |
2. Check if it is Kernel crash |
3. Cluster Node eviction? |
| References |