Table A2. <B-1-2> Average storage use ratio metric.

Item	Description
Evaluation item	Computer systems(B) >> Server utilization(B.1)
Metric	<B-1-2> Average storage use ratio
Explanation	Average storage use ratio of IS server
Measurement method	X = daily / monthly / yearly average storage use ratio
	Y= X − T a r g e t   V a l u e T a r g e t   V a l u e × 100 (excess ratio of storage use)
Data gathering method (Data sources)	■ System   □ Data
	□ Questionnaires   □ Interview
	※ Measure with server management systems (SMS)