A customer wants to better understand how much recovered storage space will be gained by
implementing Real-time Compression (RTC) on their SAN Volume Controller (SVC). The customer
has requested a test method which shows how much space savings could be realized.
Which method would the technical specialist use to show the customer RTC benefit on SVC?

A.
Compress a mirrored copy and compare to the source.

B.
Back a volume to tape and then use compression during the restore

C.
Insert a RTC compression appliance between the SVC and back-end storage

D.
Examine the managed disk group size after compressing the existing volume.

Explanation: