单选题A customer has the following non-virtualized servers： - three Exchange servers， each with 2.8 TB database - five System i Domino servers， each with 2 TB database - 20 TB usable capacitySun/SAP cluster - 70 TB usable capacity of System p requirement
题目
单选题
A customer has the following non-virtualized servers： - three Exchange servers， each with 2.8 TB database - five System i Domino servers， each with 2 TB database - 20 TB usable capacitySun/SAP cluster - 70 TB usable capacity of System p requirement - annual growth rate of 12 TB usable capacity per year What is the most cost-effective solution for three years（）
A
IBM System Storage DS5020 with 300 GB drives
B
IBM System Storage DS5300 with 300 GB drives
C
IBM System Storage DS8700 with 300 GB drives
D
IBM System Storage DS5020 with 1 TB SATA drives