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Oracle Data Centre Rationalisation
A Practical View
Ian Gardner - Oracle Applications Architect 2012-06-13
Why perform Oracle Data Centre Rationalisations...
Reduce Costs
associated with multiple locations – Power, management, cooling, lease...Increase Resilience
to Natural or Man Made factors – Flooding, power availability, political stabilityImprove Regulation
, Data Protection or Data Security,– Less surface areas exposed to attack
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A Data Centre Migration is a huge undertaking
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Your IT systems need to be up-and-running 24 x 7
Unplanned and extended outages are out of the question
You must reduce risk to the absolute minimum however: – Lift & Shift, Upgraded Infrastructure, Consolidated
Infrastructure, Platform Migration?
Oracle Upgrade, As-Is or Transformational Migration?
How do you run an Oracle
data centre migration,
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What is the Data Centre Migration Centre of Excellence?
An IBM global community of experts
With a wealth of migration knowledge and experience
Applying tried-and-tested methodologies that reduce risk
For a range of clients across all industries
Includes the Oracle Migration Factory
Get the Migration to Pay for Itself by Reducing its TCO
Any Migration will cost Money
– Don’t forget about all the testing resources you’ll need – Don’t assume that internal resources are always free – Power, Environment, Management & Space:
• All add to the Total Cost of Ownership
• Are not individually on a downward “cost model”
Infrastructure can be used to pay for the migration
– If you have too much or its old, its costing you more money than it should – Get it sized ‘right’, less OS Support Costs, less Management Costs
– Reduce Oracle licenses required to run the same workload
– Moving platforms during a migration does not add significant risk, can be used to take advantage of technology improvements
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Oracle Upgrade Types during Rationalisation
Transformational/Re-implementation Upgrade
Extensive business process remodelling Several new modules are being implemented Significant change management impact to your organisation
Increased complexity requires more focused planning and program management
Typically requires a re-implementation
Functional Upgrade
Leverages technical baseline
Some introduction of new functionality and modules Limited process design focused on new functionality May have some change management impact
De-customisation analysis
Technical Upgrade
Migration of existing Oracle system to the most recent stable version of the
application
Conversion of data
Rigorously tested and validated Mostly a technical effort
Functional
Duration, Cost and Risk Drivers for Oracle Applications
Degree of Customisation Number of Interfaces Number of Mgmt Reports Number of Countries Reengineering Client ParticipationSpeed of Issue Resolution Consensus Building
Training Requirements Downtime from Conversion
$
Project Time & Cost
More Time £££
<10 20–30 >40
<15 20–30 >60
None Selective Significant
60% 30% Fast Slow Limited Extensive Limited Extensive Less Time £
“Vanilla” Moderate Heavy
1 Many
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Data centre migration
is like replacing an
A structured Data Centre Migration Method reduces risk
The IBM method consists of a full-lifecycle approach of six stages Initiation, Discovery, Design, Build, Execute, Close
Our proven and repeatable approach leverages lessons learned and local best practice
It considers a range of issues defined in 5 ‘towers’ – Business, Applications, Technology, Operations and People
There are over 50 specific activity groups, further broken down into hundreds of tasks
–Pic & Mix Approach to Activity Groups & Tasks The method is based on years of experience in planning, managing and performing data
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Stage A: Initiation
To get it right first time, data centre migration requires significant and dedicated resources. It must be the core mission – not just a side project Ensuring everyone involved has a clear understanding of the programme objectives from beginning to end is crucial
The Programme Definition Document provides a single reference point
1. Guiding principles steer the decision-making framework
2. Risk Assumptions Issues Dependencies (RAID) analysis covers control and mitigation
3. Baseline discovery data defines the programme scope in terms of assets to migrate
4. Organisational breakdown structure identifies how people will be organised and their
responsibilities
5. Work Breakdown Structure allocates the work to the teams
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When faced with the design and
planning challenge of a complex
data centre migration project, it is
vital to work from a common,
Stage B: High level Discovery and Planning
With any data centre migration, a single version of the truth should be the goal for all baseline data: hardware, software, application information, interfaces, middleware, shared
services, support
IBM’s Discovery Data Model is specifically designed for the entire lifecycle of a data centre migration
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Stage C: Detailed Discovery and Design
A Migration Architecture is the technology, method, process and procedures chosen to migrate the applications and data
Many factors shape the detailed plan – either enablers or constraints
Hidden constraints within the business must be fully understood and the business must be engaged early on in the design stage
Early key decisions must be made around the: • Migration approach
• Test strategy
• Approach to networking
These decisions must be fact-based and will shape the migration strategy and architecture.
Stage D: Build and Test
‘Build’ is the process that establishes the technology foundations for the job, including:
Data centre fabric – buildings, halls, partitions, cages, space, power and cooling
Physical equipment – racking, structured network cabling, fibres, power distribution and outlets
Production WAN and target data centre LAN – WAN and Internet connections, LAN switches, security stacks – firewalls/DMZs/appliances
Migration facility – temporary network links, boundary controls for ‘test bubbles’, etc
Tooling and automation – for the migration of images and data
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Stage D: Build and Test continued
Stage E: Plan and Execute Migrations
In the run up to a migration event (T- 8 weeks), it is critical to run testing to ensure that the infrastructure is ready
Just like any major performance, rehearsals are the key to success
There may be several ‘migration events’ which take place out of hours. Careful resource management is vital to avoid ‘burn out’. An ‘add to the day job’ approach just doesn’t work
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Stage F: Clean up and Closure
Monitor post migration systems health Hand over to BAU teams
Update Infrastructure Inventory (Asset Management) Decommission remaining infrastructure
Programme Management
Combined Design
Authority Project Office
Deploy & Handover C u to v e r a n d R e h e a rs a ls P o s t G o -L iv e S u p p o rt Change Mgt T ra in in g C o m m s & C h a n g e M g m t Infrastructure N e tw o rk S o ft w a re H a rd w a re Business Design F in a n c e a n d P ro c u re m e n t
Offshore Delivery Resources Testing In te g ra ti o n U A T O A T Application Development
Solution Design Application Build/ Unit Test L e g a c y & D a ta O ra c le In te g ra ti o n P ro c e s s L e g a c y & D a ta O ra c le In te g ra ti o n P ro c e s s H R a n d P a y ro ll Business BI B u s in e s s I n te ll ig e n c e Client Key IBM
Typical Project Governance Structure
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You’re in safe hands
The IBM team has learnt from
Banking on a risk-free data centre migration
A major Irish bank had two data centres within 3km of each other, on the same flood plain, and the buildings were inhibiting the bank’s growth
Discovery
Project initiation and governance
Execution
Delivering on time and within budget
Detailed planning
Sequencing the move into waves
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“The assignment of a strong
IBM team experienced in data
centre relocation and large
scale project delivery was of
huge value and importance.”
Business-as-usual during a major migration
A global technology leader in the Financial Services Sector wanted to migrate EMEA workload data centres in Germany
Support
An assigned team exclusively committed
to the project delivery
Expertise
Experience and industry leadership
Process
Business continuity throughout the entire
project lifecycle
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“IBM delivered a migration
that did not impact the
processing of credit card
transactions and other
business functions.”
Questions ?
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About IBM
IBM UK has been registered to the requirements of ISO9001 and to the DTI-approved TickIT guidelines since August 1991. This registration is now part of the single certificate issued by BVQI for the totality of IBM Sales and Services in Europe, Middle East and Africa (EMEA).
The Certificate number is 82346.9.2 and the Scope covers all activities culminating in the provision of IT solutions, including design, marketing, sales, support services, installation and servicing of computer systems and infrastructure (hardware, software and networks), management of computer centres and outsourcing services, help desk for computer users, and the provision of IT and management
consultancy and services.
Additionally, IBM manufacturing and hardware development locations worldwide are registered to the requirements of ISO 14001 and are part of a single certificate issued by BVQI. The Certificate number is 43820 and the scope covers development and manufacture of information technology products,
including computer systems, software, storage devices, microelectronics technology, networking and related services worldwide.