Create the instance using the key pair and security group previously created and also include the --ebs-optimized flag and specify individual PIOPS EBS volumes (/dev/xvdf for data, /dev/xvdg for journal, /dev/xvdh for log). Refer to the documentation for ec2-run-instances for more information on devices and parameters.:
Next, create/configure the mount points, mount each volume, set ownership (MongoDB runs under the mongod user/group), and set the /journal link: