There’s things like encryption keys and tokens that need to be unique so it’s not easy, if you do it like that you would run into new, difficult to predict vuln

There’s things like encryption keys and tokens that need to be unique so it’s not easy, if you do it like that you would run into new, difficult to predict vulnerabilities. So it’s difficult and dangerous for not a lot of gain. Perhaps an easier approach would be to boot a few spare systems in advance and hibernate them so they can be booted quickly.