Docs: High Availability

Mon, 01 Jan 0001 00:00:00 +0000

Migrate

Migrate a VM from one hypervisor host to another.

Supported only on the OneCloud platform.

Migrate a VM that is in the stopped state to another hypervisor host.

On the VMs page, click the “More” button in the Actions column of the VM, then choose “High availability - Migrate”.
Select the target hypervisor host (optional).
Click the “OK” button.

Migrate a VM that is in the running state to another hypervisor host without interrupting services.

Supported only on the OneCloud platform.

On the VMs page, click the “More” button in the Actions column of the VM, then choose “High availability - Live migration”.
Select the target hypervisor host (optional).
Click the “OK” button.

Migrate a VMware VM to the OneCloud platform.

Supported only on the VMware platform.

On the VMs page, click the “More” button in the Actions column of the VM, then choose “High availability - V2V migration”.
Select the target hypervisor host.
Click the “OK” button.

Put a VM into rescue mode to repair system failures.

Supported only for KVM VMs on the OneCloud platform.

On the VMs page, click the “More” button in the Actions column of the VM, then choose “High availability - Enter rescue mode”.
Select a rescue image.
Click the “OK” button.

On the VMs page, click the “More” button in the Actions column of the VM, then choose “High availability - Exit rescue mode”.
Confirm the operation.

Create a backup instance for a VM to achieve high availability.

Supported only on the OneCloud platform.

On the VMs page, click the “More” button in the Actions column of the VM, then choose “High availability - Add backup instance”.
Select the hypervisor host for the backup instance.
Click the “OK” button.

An icon appears next to the VM name.

Click the “More” button of a VM that has an icon next to its name, then choose “High availability - Delete backup instance”.
Confirm the operation.

Quickly restore a VM to a previous state.

Supported only on the OneCloud platform.

On the VMs page, click the “More” button in the Actions column of the VM, then choose “High availability - Quick recovery”.
Confirm the operation.