What is the role of back-end adapters in an intelligent disk system?
A.
To communicate between Tag RAM and data store
B.
To communicate between a host and the storage system
C.
To move data between an array cache and the disks
D.
To move data between a host and the array cache
Answer C
4.1.3 Back End
The back end provides an interface between cache and the physical disks. It consists of two components: back-end ports and back-end controllers. The back end controls data transfers between cache and the physical disks. From cache, data is sent to the back end and then routed to the destination disk. Physical disks are connected to ports on the back end.
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