How to Safely Change an AWS EC2 Instance Type with Terraform Without Losing Root Volume Data

This guide explains step‑by‑step how to modify the instance_type of an AWS EC2 instance using Terraform, covering in‑place updates, required stop‑modify‑start cycles, plan inspection, apply execution, and post‑change verification to ensure the root EBS volume remains intact.

AWSEC2Terraform

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How to Safely Change an AWS EC2 Instance Type with Terraform Without Losing Root Volume Data