How many phases does the high availability of a VM instance have? : ZStack International

How many phases does the high availability of a VM instance have? Print

Created by: ZStack Support

Modified on: Mon, 28 Mar, 2022 at 11:06 AM

If a VM instance with the high availability fails to reboot, this VM instance will enter the following phases:

Detect the state of the VM instance via the mechanisms such as round robin and trigger. If the VM instance is confirmed to stop, the VM instance configured with NeverStop will reboot immediately.
Detect the state of the VM instance via the mechanisms such as round robin and trigger. If the VM instance is not confirmed to stop, the following procedures will be applied:
1. Based on the existing network configurations, the most accurate method will be selected to detect the state of the host where the VM instance resides.
2. If the host is abnormal, the VM instance configured with NeverStop will try to automatically reboot.

ZStack is the author of this solution article.

Did you find it helpful? Yes No

How can we help you today?