You run an IT department and are responsible for purchasing hardware within a given budget. You are aware that 70 GBytes of data housed in a series of traditional disk slices is becoming critical to the business. You decide to mirror the data but have concerns about write performance. You can purchase the disk space to mirror the data. What is a cost-free configuration enhancement that achieves fast write performance?

A.
Arranging for the mirror to consist of just two disks.
B.
Using RAID 5 to hold the data in each half of the mirror.
C.
Striping the data across the disks in each half the mirror.
D.
Concatenating the data across the disks in each half of the mirror.