Chapter 3: RAID Confi guration 4. Once you've created the selected drive as a hot spare drive, a yellow plus (+) sign will appear to the left of the drive icon as shown below. To Create a Single Volume 2. Right-click on a device that you wish to create as a Single Volume to activate the pop-up menu as shown in the second picture on Page 3-36. 3. From the pop-up menu as shown, select Create a Single Volume and hit . 4. The word "Optimal" will appear on the device that you've just created as a single volume HDD and a device icon will appear on the right as shown below. 3-37