␡
- Introduction
- 1: Agree on a Common Definition of Capacity Planning
- 2: Select a Capacity Planning Process Owner
- 3: Identify Key Resources To Be Measured
- 4: Measure the Current Utilizations of the Resources
- 5: Compare Current Utilizations to Maximum Capacities
- 6: Collect Meaningful Workload Forecasts from Representative Users
- 7: Transform Forecasts into Resource Requirements
- 8: Map Requirements Onto Existing Utilizations
- 9: Predict When the Shop Will Be Out of Capacity
- 10: Update Forecasts and Utilizations
- Harris Kern's Enterprise Computing Institute
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8: Map Requirements Onto Existing Utilizations
The projected resource requirements derived from the workload projections of the users in cardinal rule #7 are now mapped onto the charts of excess utilization from cardinal rule #5. This mapping will show the quantity of new capacity that will be needed by each component to meet expected demand. For example, suppose that a company's financial systems use two production servers, each of which is running at 50% utilization. If we presume that maximum usable capacity is 80%, our excess capacity would be 30%. If the projected new resource requirements are for only an additional 25% of capacity, no new upgrades are needed. But if another 50% of capacity is needed, either existing servers must be upgraded or a new server brought in.