A customer has the following storage configuration for a specific application: – Symmetrix
VMAX 4 engine with 128 GB cache per engine – SRDF/A with two 1 Gbps links to remote
site – 4.2 TB of logical volumes configured for SRDF/A replication – SMC / SPA installed for
storage management The customer is periodically experiencing high response times for the
application. How can the customer use SPA to determine the potential cause of the high
response times?

A.
View Directors BE % busy versus Directors FE % busy

B.
View SRDF/A device write pending count versus system write pending count

C.
View Ports FE throughput in Kbps versus Devices Kbps read + Devices Kpbs written

D.
View RDF-Group (group number) rewrites per sec

Explanation: