You work as a design specialist at Certkiller .com. Certkiller .com has a CLARiiON environment. You are designing for data warehouse loading performance.
What is the first thing you should consider?

A.
Read cache size.

B.
Host measures response time.

C.
Cache high-water mark setting.

D.
Disk devices size vs. disk devices quantity.

E.
Implementing RAID 1 as apposed to RAID 5