You have a RAID 5 set with five disks at 400 GB each. Approximately how much usable space would this configuration yield?
A) 1 terabyte
B) 2 terabytes
C) 1.2 terabytes
D) 1.6 terabytes

Question

Quizplus · Accepted Answer

RAID 5 uses one disk's worth of space for parity. With five 400 GB disks, the total raw capacity is 2 TB (5 x 400 GB). Subtracting one disk for parity, the usable space is 1.6 TB (4 x 400 GB).

You Have a RAID 5 Set with Five Disks at 400