Capacity Management
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Contents |
[edit] ITIL Capacity Management: Overview
Process Objective: To ensure that the capacity of IT services and the IT infrastructure is able to deliver the agreed service level targets in a cost effective and timely manner. Capacity Management considers all resources required to deliver the IT service, and plans for short, medium and long term business requirements.
Part of: Service Design
Process Owner: Capacity Manager
[edit] ITIL Capacity Management: Process Definition
There are no major differences between Capacity Management in ITIL V2 and ITIL V3.
The following sub-processes are part of Capacity Management according to ITIL V3:
[edit] Sub-Processes
- Business Capacity Management
- Process Objective: To translate business needs and plans into capacity and performance requirements for services and IT infrastructure, and to ensure that future capacity and performance needs can be fulfilled.
- Service Capacity Management
- Process Objective: To manage, control and predict the performance and capacity of operational services. This includes initiating proactive and reactive action to ensure that the performances and capacities of services meet their agreed targets.
- Component Capacity Management
- Process Objective: To manage, control and predict the performance, utilization and capacity of IT resources and individual IT components.
- Capacity Management Reporting
- Process Objective: To provide other Service Management processes and IT Management with information related to service and resource utilization and performance (see "Capacity Report").
[edit] ITIL Terms: Capacity Management
- Capacity Management Information System
- A virtual repository of all Capacity Management data, usually stored in multiple physical locations.
- Capacity Plan
- A Capacity Plan is used to manage the resources required to deliver IT services. The plan contains scenarios for different predictions of business demand, and costed options to deliver the agreed service level targets.
- Capacity Report
- The Capacity Report provides other Service Management processes and IT Management with information related to service and resource utilization and performance.
- Suggestion to Influence Service Demand
- A suggestion to influence demand for service capacity, usually sent from the Capacity Manager to Demand Management.
[edit] Additional Information on Capacity Management
[edit] ITIL KPIs
[edit] ITIL Roles in Capacity Management
- Capacity Manager - Process Owner
- The Capacity Manager is responsible for ensuring that services and infrastructure are able to deliver the agreed capacity and performance targets in a cost effective and timely manner.
- He considers all resources required to deliver the service, and plans for short, medium and long term business requirements.
