You know what is not great? Getting woke up for a work emergency and driving to a datacenter on 3 hours of sleep after working swing shift the whole weekend..
Only for the system in question to be a ghost.. Not in any of your physical auddits.. You can find the place it clearly was.. 5 years ago... And it was being used as recently as Friday... But ops has not interacted with it since 2015.. Other than it showing up on a security audit early this month.. Because it got flagged by vun scanning