A Customer Needs to Create an OLAP Backup Database for Batch

A customer needs to create an OLAP backup database for batch importing online database data at night. The database software is SQL Server 2008. The data file size is 20 TB. The storage system is OceanStor V3. The stable write throughput is required to reach 1800 MB/s. Which configuration best meets customer requirements?

A) Use 2 TB NL-SAS disks and configure RAID 6 (8D+2P) .
B) Use 2 TB NL-SAS disks and configure RAID 5 (8D+1P) .
C) Use 600 GB 15k rpm SAS disks and configure RAID 5 (8D+1P) .
D) Use 600 GB 15k rpm SAS disks and configure RAID 10.