Implementing a CMDB. The Top 5 Lessons Learnt, 3 years after Implementation. Process Team. Configuration Management. Configuration CMDB CMDB

Transcription

1 Process Team Configuration Configuration Management Management CMDB CMDB Implementing a CMDB The Top 5 Lessons Learnt, 3 years after Implementation Author: Author: Date: Date: Harvey Davison Harvey Davison March 2008 March 2008

2 01. Configuration Different Data Sets & Interfaces View Cost View Workflow Events Events Incidents Problems Incidents Changes Problems Changes Cost Cost Owners Owners Vendors Vendors Budget Budget Availability Availability s s Hours Contacts Hours Approvers Contacts Approvers Contracts Contracts Maintenance Maintenance Support Licence Support Licence Common Common Data Data Server Cabinet Cabinet Plan Plan Specifications Specifications CPU Memory CPU Memory Disk Disk Settings Settings IP Address IP Domain Address Domain Locations Locations Cabinets Cabinets Environment Environment Air Conditioning Air Power Conditioning Power Floor Floor Plan Plan N View () View (Physical)

3 02. Lesson Learnt #1 1. Define your Objective vs. Cost

4 03. Requirements - ITIL Guidelines for Change Management ITIL Process Objectives Managing Managing co-ordinating co-ordinating Change Change implementation implementation impact, impact, cost, cost, benefit benefit risk risk of of proposed proposed s s Developing Developing business business justification justification obtaining obtaining Approval Approval

5 04. Requirements - Breakdown Discrete Activities ITIL Process Objectives Process Activity Managing Managing co-ordinating co-ordinating Change Change implementation implementation conflicts conflicts Hours Hours impact, impact, cost, cost, benefit benefit risk risk of of proposed proposed s s impact impact Technical Technical approach approach Developing Developing business business justification justification obtaining obtaining Approval Approval Approve Approve

6 05. Requirements - Define Required Capabilities ITIL Objectives Process Activity Required Capability Managing Managing co-ordinating co-ordinating Change Change implementation implementation conflicts conflicts Identify Change Conflicts 1 Hours Hours Identify Hours 1 impact, impact, cost, cost, benefit benefit risk risk of of proposed proposed s s impact impact Identify ors ½ Technical Technical approach approach Identify Technical ors ½ Developing Developing business business justification justification obtaining obtaining Approval Approval Approve Approve Identify Change Approvers 0

7 06. Lesson Learnt #2 2. Define your Cusmers & Requirements ITIL ITIL Reqs Reqs Cusmers Cusmers 1. Define your Objective vs. Cost

8 07. Prioritise Scope - Item Type Type Servers (Directly Aligned) Servers (Non-Directly Aligned) Simpler Infrastructure (e.g. Srage) Complex Infrastructure (e.g. Network)

9 08. Prioritise Scope - Item Role Type Servers (Directly Aligned) Servers (Non-Directly Aligned) Simpler Infrastructure (e.g. Srage) Complex Infrastructure (e.g. Network) Role In Scope Maybe in Scope? Maybe out of Scope Production Test Development

10 09. Prioritise Scope - Item Status Type Servers (Directly Aligned) Servers (Non-Directly Aligned) Simpler Infrastructure (e.g. Srage) Complex Infrastructure (e.g. Network) Role In Scope Maybe in Scope? Maybe out of Scope Production Test Development Status Maybe in Scope? In Scope Maybe in Scope? Maybe out of Scope? Proposed Proposed Implementation Implementation Active Active Inactive Inactive Redundant Redundant Decommissioned Decommissioned

11 10. Scope Start Simple & Add Complexity Later Cost Cost Management Management Scope Scope Production Management Management Scope Scope Role Test Post-Active Development Active Pre-Active Status Networks Srage Servers Type

12 11. Lesson Learnt #3 2. Define your Cusmers & Requirements 3. Manage your Scope ITIL ITIL Reqs Reqs Cusmers Cusmers 1. Define your Objective vs. Cost

13 12. Structure - Using Hierarchy show Risk Internet Internet Mortgage Mortgage? Internet Internet Website Website Cusmer Cusmer Mortgage Mortgage Administration Administration Virtual Virtual Server B Server B Physical Unix Server 1 Unix Server 1 Windows Windows Server 3 Server 3

14 13. Attributes Identify Change Approvers example ITIL Process Objectives Process Activity Required Capability Managing Managing co-ordinating co-ordinating Change Change implementation implementation conflicts conflicts Identify Change Conflicts Hours Hours Identify Hours impact, impact, cost, cost, benefit benefit risk risk of of proposed proposed s s impact impact Technical Technical approach approach Identify ors Identify Technical ors Developing Developing business business justification justification obtaining obtaining Approval Approval Approve Approve Identify Change Approvers

15 14. Attributes - Applying Input / Output Test Input - Known Data Data Output - Required Data CMDB Approval based on Item Approver { Manager} Approver {Application Support Mgr} Name Appserver123 Barcode Serial no. LTSB12345 XYZ45678 Physical Physical Approver {Infrastructure Support} Mgr Remote Control ID Endpoint15.c.31a Change Mgt Ref Data Approval based on Task Task Type Maintain Cryp-keys Change Task List Change Task List Approver {Task Owner}

16 15. Lesson Learnt #4 2. Define your Cusmers & Requirements 3. Manage your Scope ITIL ITIL Reqs Reqs Cusmers Cusmers 1. Define your Objective vs. Cost 4. Design your Data Model

17 16. Process Identifying Your Definitive Data Cusmer Cusmer Physical

18 17. Process Identifying Your Definitive Data Item Detail SLA SLA Design Design Cusmer Cusmer Invenry Invenry Scan Scan Tool Tool Data Data Centre Centre Invenry Invenry Physical

19 18. Process Identifying Your Definitive Data Item Detail Item Status SLA SLA Manager Design Design Manager Cusmer Cusmer Invenry Invenry Scan Scan Tool Tool Manager Data Data Centre Centre Invenry Invenry Data Centre Manager Physical

20 19. Process Identifying Your Definitive Data Item Detail Item Status Relationships SLA SLA Manager Manager Design Design Manager Cusmer Cusmer Invenry Invenry Scan Scan Tool Tool Manager Application Application Scan Scan Tool Tool Manager Data Data Centre Centre Invenry Invenry Data Centre Manager Design Design Support Tech Physical

21 20. Process Design Best Way from A B Item Detail Item Status Relationships Manager Manager Manager Manager Manager Manager Cusmer Cusmer s Mgt Scan Scan Manager Support Tech Hardware Release Invenry Invenry Manager Physical

22 21. Lessons Learnt 2. Define your Cusmers & Requirements 3. Manage your Scope ITIL ITIL Reqs Reqs Cusmers Cusmers 1. Define your Objective Process Dependency Source Source vs. Cost 5. Define your Process 4. Design your Data Model