文档介绍:Configuration Management
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Goal – Primary Objective
To provide a logical model of the IT infrastructure by identifying,controlling, maintaining and verifying the versions of ALL Configuration Items in existence.
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Types of CIs
4 CI Types
Hardware
Software
Documentation
Processes and Procedures
Technical documentation
Diagrams/Charts
4. IT Staff NOT USERS
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Account for ALL IT assets
Provide accurate information to support other Service Management processes
Provide a sound basis for all other Service Management disciplines
Verify records against the infrastructure and to correct exceptions
Why Configuration Management?
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Planning
- Strategy, policy, scope, objective, roles & responsibilities
- Config Mgt processes, activities and procedures
- CMDB, Relationships with other processes and 3rd parties
- Tools and resource requirements
Identification
- Selection, identification and labelling of all CIs - Relationships
Control
- Authorised additions, modifications and removal of CIs
Status Accounting
- The reporting of all current and historical data of each CI Ordered, Under Repair, Live, Test …….
Verification & Auditing
- Reviews and audits to verify physical existence of CIs
5 Activities of Configuration Management
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Configuration Items (CIs)
Component of an infrastructure that is (or is to be) under the control of Configuration Management
Configuration Management Database (CMDB)
A database that contains all relevant details of each CI and details of the important relationships between CIs
Base Level
The lowest level at which CIs are uniquely identified
Baseline – A SNAPSHOT
The configuration of a product or system established at a specific point in time, capturing both structure and details
Key Considerations
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Programme
C
Example Software Structure
Software
System
Subroutine
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Programme
B
Application
2
Module
1
Application1
Application
3
Programme
A
Subroutine
1
BASE LEVEL
(CI Level)
The lowest level at which CI’s are
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