The following commands will format and mount your disk on a newly created EC2 machine: sudo mkfs -t ext4 /dev/xvdb sudo mkdir /storage sudo sed -i ‘\|^/dev/xvdb| d’ /etc/fstab # delete existing entry if it exists sudo sh -c ‘echo “/dev/xvdb /storage ext4 defaults,nobootwait,noatime,nodiratime 0 2” >> /etc/fstab’ sudo mount -a