A customer is trying to perform an SRDF/A Consistent Mode Change. The change rejected
repeatedly by the secondary array. What could cause this condition?

A.
More than 50% of the SRDF/A write cache on the R2 site is in use

B.
Enginuity versions on both arrays are below 5875

C.
SRDF/A MSC is not configured

D.
The 70% cache write pending limit on the primary array is reached