Rackspace now has data disks that need to be mounted in order to be used on the new performance servers. Follow these steps to mount the data drive on RHEL 6.5:
1. fdisk -l
2. mkfs -t ext3 /dev/xvde1
3. mkdir -p /pathtomountdirectory
4. vi /etc/fstab
/dev/xvde1 /u02 ext3 defaults,noatime 0 2
5. mount -a
6. df -h