Issue/Introduction
This article describes how to troubleshoot a host that restarts unexpectedly. It applies to the initial diagnosis and resolution of similar issues in ZStack Cloud.
Environment
- Product: ZCF
- Component: Cloud
- Version: 3.x-5.5.30
Possible causes
The CPU C-State setting is not disabled in the BIOS.
Resolution
Symptom handling recommendation
The server crashes and restarts unexpectedly.
Cause handling recommendation
- Restart the server and open the BIOS configuration page.
- In the BIOS, find the CPU C-State-related setting and disable it.
Note:
Configuration methods vary by hardware vendor. It is recommended that you consult the server hardware vendor before making changes.