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- Goal
- To optimise the capability of the IT
infrastructure and supporting organisation to
deliver a cost effective and sustained level of
availability that enables the business to
satisfy its objectives
- Why Availability Management ?
- Influenced by:
- Business demand
- The cost required to meet it
- The configuration and complexity of the
IT infrastructure including the level of
redundancy, the reliability of the
infrastructure and its components, and the
levels of infrastructure maintenance
- The procedures used by IT services
- Human factors and external events
- Responsibilities
- Optimise availability by monitoring and
reporting on all key elements of availability
- Determining availability requirements in
business terms
- Predicting and designing for expected level
of availability and security
- Producing the availability plan
- Colleting, analysing and maintaining
availability data and reporting on that data
- Ensuring service levels are met by
monitoring services availability levels against
SLAs and monitoring OLA targets and external
supplier serviceability achievements
- Continuously reviewing and improving
availability
- Key considerations
- Availability
- Reliability
- Maintainability
- Serviceability
- Security
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