A customer has a VMAX 1 Engine with 128 GB of cache. The disks are configured in RAID
1 and SRDF is not implemented. The applications on the VMAX perform heavy writes with a
ratio of 20/80 (Reads/Writes). Due to continuous rate of writes, the VMAX reaches the
Device Write Pending Limit. What is the most cost effective way to address the problem?

A.
Migrate from RAID 1 to RAID 6

B.
Migrate from RAID 1 to RAID 5

C.
Add cache on the VMAX

D.
Spread write activity to more devices

Explanation: