볼륨 마운트
lsblk
file -s /dev/xvdfxvdb
mkfs -t xfs /dev/xvdfxvdb
mkdir /dataapp
mount /dev/xvdfxvdb/dataapp
서버 재부팅 후 설정 유지
cp /etc/fstab /etc/fstab.orig
...
UUID=aebf131c-6957-451e-8d34-ec978d9581ae /data app xfs defaults,nofail 0 2
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-using-volumes.html
...