Post on 26-Jun-2020
Configuration Management Why we should care!
Anne-Rose Suriel – Senior Systems Engineer
Agenda
1. Introduction to Configuration Management
2. Importance of Configuration Management
3. Should we care?
4. How we do IT!
5. Questions
1. Introduction to Configuration Management
1. The introduction to CM
• Video ( www.youtube.com/watch?v=EUm-vAOmV1o )
• Moral:
– When presented with an goal,
– take your time to plan a strategy,
– to execute it
– and then savor the results.
1. The introduction to CM History
1. The introduction to CM History
1. The introduction to CM History
1. The introduction to CM History
1. The introduction to CM History
1. The introduction to CM History
1. The introduction to CM History
1. The introduction to CM History
1. The introduction to CM Today
Bring Your Own Device, Big data - Cloud services, Information Security, Business Continuity, ISO – ITSM - ITIL
1. The introduction to CM
• How to best manage IT ?
– with the implementation of IT Service Management
– using ITIL
– starting with Configuration Management
1. The introduction to CM
What is ITIL ? • Information Technology Infrastructure Library
• Standard for IT Service Management
• Contains documentation on how to :
– plan,
– deliver and
– support IT services
1. The introduction to CM
ITIL: 5 core publications
• Service Strategy
• Service Design
• Service Transition
• Service Operation
• Continual Service Improvement
Source: http://www.itil.org/en/vomkennen/itil/index.php
ITIL
1. The introduction to CM
Source: http://www.itil.org/custom/glossaren/
Service Strategy Service Design Service Transition Service OperationContinual Service
Improvement
Strategy Generation Design CoordinationTransition Planning
and SupportEvent mgt Service Reporting
Service Portfolio mgtService Catalogue
mgtChange mgt Request Fulfilment
7 Step Improvement
Plan
Business
Relationship mgtService Level mgt
Service Asset &
Configuration MgtIncident mgt
Demand mgt Capacity mgtRelease and
Deployment MgtProblem mgt
Financial mgt Availability mgtService Validation
and TestingAccess mgt
IT Service Continuity
mgtChange Evaluation
Information Security
Mgt
Supplier Mgt
Configuration Management
1. The introduction to CM
What is Configuration Management ?
• A Process to ensure that
– the CIs required to deliver IT services are properly controlled
– reliable information about those CIs is available, when and where it is needed
• This information includes:
– details of the CIs and how they have been configured
– the relationships between CIs
Source: http://www.itil.org/custom/glossaren/
CI = Configuration Item
1. The introduction to CM
1. The introduction to CM
CI ( = Configuration Item)
Any component that needs to be managed in order to deliver an IT service
Source: http://www.itil.org/custom/glossaren/
1. The introduction to CM
IT Service
• A means of delivering added value to customers by
• making it easier for customers or helping them to achieve their desired results
• without them having to personally bear the responsibility for specific costs and risks
IT = Information Technology
Source: http://www.itil.org/en/vomkennen/itil/ueberblick/service.php
1. The introduction to CM
• IT services
• Hardware
• Software
• Buildings
• People
• Documentation
Source: http://www.itil.org/custom/glossaren/
1. The introduction to CM
Activities of Configuration Management
• Identification
• Control
• Verification and Audit
1. The introduction to CM
Identification
• Scope : Categories of CIs, Attributes, Status, Relationships
• Labeling
1. The introduction to CM
Categories of CIs • Server
• Router
• Laptop
• Application
• Manual
• Printer
• …
Relationships • … is part of …
• … is connected to …
• … runs on ….
Identification
Attributes unique identification (name or number), brand, purchase date, location, version, warranty, supplier, etc, …
Status • Live
• In repair
• Being tested
1. The introduction to CM
CMDB = Configuration Management Data Base
Identification
1. The introduction to CM
No CI is
- Added
- Modified
- Replaced
- Removed
without appropriate
controlling
documentation
Control
1. The introduction to CM
• To verify the physical existence of CIs
• To check that they are correctly recorded in the CMDB
CMDB = Configuration Management Database
Verification & Audit
2. The importance of Configuration Management
2. The importance of CM
Benefits
• Faster problem resolution
• Faster restoration of service
• More efficient Change Management
• Cost Reduction
Source: http://www.scriptrock.com/blog/5-configuration-management-bosses
2. The importance of CM
Benefits
• Decreased risk and greater levels of security
• Enhanced system reliability
• Define and enforce formal policies and procedures that control CI identification, status monitoring and auditing
Source: http://www.scriptrock.com/blog/5-configuration-management-boss
2. The importance of CM
Cost of Configuration Management
• Configuration management system
• Administering the configuration management system
Source: http://www.scriptrock.com/blog/5-configuration-management-boss
2. The importance of CM
Return on investment (ROI)
• IT staff productivity increase
• User productivity increase
• IT cost reduction
2. The importance of CM
Return on investment (ROI)
IT staff productivity increase
• Able to solve incidents and problems effective and efficient
• More time for
– effective work
– learning more abilities
– increasing their knowledge
2. The importance of CM
Return on investment (ROI)
User productivity increase
• User down time caused by
– system outages, cyber attacks, security intrusions
– planned change and configuration activities
Is reduced
2. The importance of CM
Return on investment (ROI)
IT cost reduction
• Avoid unnecessary duplications
• Avoid unnecessary License or Warranty expirations or extensions
• Avoid much bigger and costly problems
3. Should we care?
3. Should we care ?
With no or with not a reliable Configuration Management implemented, this can happen:
• Difficulty identifying system components
• Re-doing implementation
• Losing productivity
• Replacing the wrong component
Source: http://www.scriptrock.com/blog/5-configuration-management-boss
3. Should we care ?
Video (www.youtube.com/watch?v=Ij1yDpfZI8Q)
– The lesson to learn: Don’t pay the price later! Use configuration management to focus on fire prevention, no fire fighting!
3. Should we care ?
But I’m thinking of going to, or already have my IT in the cloud.
Do I still need
Configuration Management?
3. Should we care ?
Cloud Services
Virtual machines, Servers, storage, VLANS,…
Database, web server, Development tools,…
HRM, Finance, Email, web browser,...
IaaS • Infrastructure as a Service
PaaS • Platform as a Service
SaaS • Software as a Service
3. Should we care ?
Cloud Services Customer CIs managed by
Provider Server
Storage VLAN
O/S VM
Server Storage
CPU
client devices
client devices
Server Storage
CPU
client devices
database webtools app/email
database webtools app/email
database webtools app/email
O/S VM
O/S VM
IaaS • Infrastructure as a Service
PaaS • Platform as a Service
SaaS • Software as a Service
4. How we do IT!
4. How we do IT!
• Data Center
Application hosting
Business Continuity Solutions
o Failover service
o Standby service
o Backup service
4. How we do IT!
• Data Center
• Support / Service Desk
Qualified systems engineers
4. How we do IT!
• Data Center
• Support / Service Desk
• ITIL
4. How we do IT!
• Data Center
• Support / Service Desk
• ITIL
• Products / services
– Server Management / Network Management
– Consulting
– Training
Summary
What is Configuration Management
• Management of CIs, required to deliver IT services
Importance of Configuration Management
• Improves Efficiency for use of IT
• Reduces costs concerning IT
• Well managed IT improves business
Yes, we should care !!!
5. Questions
CORE N.V. Anne-Rose Suriel
a.suriel@core.cw
info@core.cw
Come visit our booth in the patio.