Overview

You want to know that when upgrading a volume to gp3, does the corresponding application need to be paused while the migration occurs.

Information

The application need not be paused or otherwise prepared for interruption.

These EBS volume upgrades work seamlessly without restarting your instances or detaching volumes, meaning any production apps depending on those instances can continue to run without interruption.

Related Article

Replace an Amazon EBS Volume (external article)