creating new raid 5 volume

Question

I recently purchased and installed a HighPoint HIRR2640X4SG RAID Controller card. I installed three 2 TB hard drives, and created the array:

I booted and went into Disk Management in WHS 2011. I was prompted to initialize a new disk, which I did using a MBR. Disk Management now shows:

I'm only able to create a new volume on the 2048.00 GB space. I'm expecting to be able to create a volume across the entire space. What did I do wrong?

Answer 1

According to this resource, volumes greater than 2 TB need to be created using GPT, rather than MBR.