A small business customer is interesting and requires some shared storage. They expect only 3-4 blades， but wise the storage they require 4 TB RAID 1+0. They also require Flash copy and remote mirroring. Which of the following will be an issue？（）

A.FlashCopy is not supported on the DS3000
B.Remote mirroring is supported on the DS3000
C.FlashCopy is supported on the BladeCenter S RAIDed SAS Switch Modules
D.FlashCopy is not supported on BladeCenter S RAIDed SAS Switch Modules