A banking business running background storage system requirements are as follows: (1) Business Impact. The business impa

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A banking business running background storage system requirements are as follows:
(1) Business Impact. The business impact generated by the operating system is about 100KB.
(2) The service operation system is the whole GE network. The server and operating system are GE network. Follow-up to consider the business needs to upgrade to 10GE.
(3) Only requires 72TB of total space, the latter expansion priority to expand the disk
(4) Only 20U of rack space is reserved for the current storage devices. The configuration of three nodes and switches is prioritized to meet the requirements of the machine room. Cabinet planning based on the above requirements.
What are the more appropriate networking solutions?

A. Program One: 1 * OceanStor 9000 C Node 36 * 2TB SATA configuration 2 * Front-end GE + 2 * Rear-end 10GE
B. Scenario 2: 3 * Oceanstor 9000 C Node 36 * 2TB SATA hard drive; 2 * Front-end GE + back-end 2 * 10GE
C. program three: 3 * OceanStor 9000 P Node 36 * 2TB SAS configuration 2 * Front-end GE + 2 * Rear-end 10GE
D. Program Four: 3 * OceanStor 9000 M Node 36 * 2TB SAS configuration