单项选择题AbankhasrequestedproposalsforastoragesolutiontoupgradetheirdisasterrecoveryprocessesfortheirSystemz,UNIX,andMicrosoftWindowsenvironment.Thesolutionmustsimulateamulti-siteenvironmentandprovidethecustomertheabilitytoexploreMetroMirror,GlobalMirror,GlobalMirrorforz OS,andFlashCopy.Floorspaceislimited.Whichsolutionbestmeetsthespecifiedrequirements?()
A.Two IBM System Storage DS8100 systems
B.One IBM System Storage DS8300 with two LPARs
C.Two IBM System Storage DS6800 systems in a single rack
D.One IBM System Storage DS6800 for System z, and SVC for UNIX and Windows