A customer has mirrored fabrics. The application environment consists of dualpathed production hosts and a small number of singlepathed hosts dedicated to backup. The customer notices significant performance degradation on production hosts during backup operations.
Further investigation reveals that a production host exhibits equally distributed IOPS across its HBAs during this time period. What is a likely cause of this problem?

A.
Excessive RSCN traffic on both fabrics

B.
Fabric has more than three hops causing some delays

C.
PowerPath loadbalancing policy has been set to Adaptive

D.
PowerPath loadbalancing policy has been set to Round_Robin