AcustomerRFPrequiresinstallationofanopensystemSANandmigrationof40TBcurrentlyresidingontenU

AcustomerRFPrequiresinstallationofanopensystemSANandmigrationof40TBcurrentlyresidingontenUNIXservers（oninternalserverdisk）.TheServiceLevelAgreement（SLA）requiresnomorethanfiveminutesperweekofplanneddowntimeforbackup.WhichIBMSystemStoragesolutionisthemostcosteffective（）

A、anIBMSystemStorageDS8700withLTOtapedrive

B、anIBMSystemStorageDS8700withFlashCopyManager

C、anIBMXIVStorageSystem

D、anIBMXIVStorageSystemwithSANVolumeController