A customer has two Microsoft Exchange servers attached to their CLARiiON array with the log and database files on separate RAID 5 LUNs. They are experiencing performance problems during peak production hours.
Which best practice should you suggest they implement to relieve the performance problem?

A.
Concatenate new disks to the RAID 5 LUNs

B.
Migrate the files to RAID 1 LUNs

C.
Migrate the files to RAID 1/0 LUNs

D.
Stripe new disks into the RAID 5 LUNs