To quote from their docs: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-retirement.html https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/insta

To quote from their docs: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-retirement.html https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance... > If your instance root device is an instance store volume, the instance is terminated, and cannot be used again. See also the aws "Dedicated Hosts" and "Mac Instances". Those also have similar termination behavior. The majority of my instances lost are from the instance store thing.