单项选择题
AcustomerusinganIBMSystemStorageDS8300isfacingperformanceproblems.Aftertheanalysisbythetechnicalspecialist,thediagnosisindicatesthatthecachehitsmaybeimprovedbyacacheupgrade.Howcanthesystembemonitoredinordertocheckthebenefitsofthecacheupgrade()
A.usingthe"vmstat"commandontheAIXserversconnectedviaSANtotheDS8300system
B.lookingatthenumberofI/OmanagedbytheDS8300system
C.readingtheperformancereportsviaTotalStorageProductivityCenterforDisk
D.generatingreportsusingtheTotalStorageExpert
A.Aftertheanalysisbythetechnicalspecialist,thediagnosisindicatesthatthecachehitsmaybeimprovedbyacacheupgrade.Howcanthesystembemonitoredinordertocheckthebenefitsofthecacheupgrade()
A.usingthe"vmstat"commandontheAIXserversconnectedviaSANtotheDS8300system
B.lookingatthenumberofI/OmanagedbytheDS8300system
C.readingtheperformancereportsviaTotalStorageProductivityCenterforDisk
D.generatingreportsusingtheTotalStorageExpert