You have been asked to create a LUN on a storage array that is comprised of 7,200 rpm SATA drives. Each drive is rated at 100 IOPS. The LUN should provide a minimum of 1100 IOPS and withstand multiple drive failures using the least number of drives. How many drives and which RAID level should you use to create this LUN?
A) 11 drives and RAID 0
B) 12 drives and RAID 5
C) 13 drives and RAID 6
D) 22 drives and RAID 1

Question

Quizplus · Accepted Answer

RAID 6 can withstand multiple drive failures and provides redundancy. With 13 drives, RAID 6 uses 2 drives for parity, leaving 11 drives for data. Each drive provides 100 IOPS, so 11 drives provide 1100 IOPS, meeting the requirement.

You Have Been Asked to Create a LUN on a Storage