A customer calls in a trouble ticket complaining ofunacceptable read I/O latency on a Cisco UCS C210 M2
server with an LSI MegaRAID 9260-8i with an 8-disk RAID-10 virtual disk. As you validate the RAID controller
configuration, which of these configured items impacts read performance at the controller level?

A.
all disks are 146GB 6 Gb SAS 15K RPM SFF

B.
read ahead cache is enabled

C.
BGI rate = 0

D.
strip size = 256k

E.
no hot spare