When you terminate an instance, you choose to delete or preserve the associated boot volume. For more information, see Terminating an Instance. You can also delete a boot volume if it has been detached from the associated instance. See Detaching a Boot Volume for how to detach a boot volume.
Caution
You cannot undo this operation. Any data on a volume will be permanently deleted once the volume is deleted. You will also not be able to restart the associated instance.
Required IAM Policy
To use Oracle Cloud Infrastructure, you must be granted security access in a policy by an administrator. This access is required whether you're using the Console or the REST API with an SDK, CLI, or other tool. If you get a message that you don't have permission or are unauthorized, verify with your administrator what type of access you have and which compartment to work in.