This is an infamous gap, and AWS has had to reboot customer instances in the past: https://www.quora.com/Why-cant-Amazon-AWS-migrate-a-live-instance-to-new-hard

This is an infamous gap, and AWS has had to reboot customer instances in the past: https://www.quora.com/Why-cant-Amazon-AWS-migrate-a-live-instance-to-new-hardware-when-theres-a-hardware-problem https://www.quora.com/Why-cant-Amazon-AWS-migrate-a-live-ins... The question is whether something has changed.