Linux instances • (Fargate launch type) platform version 1.4.0 • ( EC2 launch type ) ECS-Optimized AMI 20231219 or later • magnetic EBS Volume type not supported • attach at most one Amazon EBS volume • snapshot of an Amazon EBS that contains partitions not supported • Task がterminateしたら、EBSも削除される https://docs.aws.amazon.com/AmazonECS/latest/developerguide/using_data_volumes.html 9