Aclientwantstoimplementahighlyavailableclusterbetweentwosites.AteachsitetheclienthasanIBMDS8300.Ateachsite，theclientwouldlikeasinglenodewhichwillbeconnectedthroughaSANtothelocalDS8300butnottheremoteDS8300.Whichclusteringproductcouldbeusedtoprovidehighavailabilityforthisinfrastructure？（）
A.PowerHA\/XDforGLVM
B.PowerHAwithcross-siteLVM
C.PowerHA\/XDforMetroMirror
D.PowerHA\/XDforGlobalMirror
参考答案：A
