The agile infrastructure project part 1 configuration management
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The Agile Infrastructure Project Part 1: Configuration Management. Tim Bell Gavin McCance. Agenda. IT Context and Directions Principles and Status Timelines Issues and Decisions. Industry Context - Cloud. Cloud computing models are now standardising

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The Agile Infrastructure Project Part 1: Configuration Management

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The Agile Infrastructure ProjectPart 1: Configuration Management

Tim Bell

Gavin McCance


Agenda

  • IT Context and Directions

  • Principles and Status

  • Timelines

  • Issues and Decisions

IT Technical Forum – 27 Jan 2012


Industry Context - Cloud

  • Cloud computing models are now standardising

    • Facilities as a Service – such as Equinix, Safehost

    • Infrastructure as a Service - Amazon EC2, CVI or lxcloud

    • Platform as a Service - Microsoft Azure or CERN Web Services

    • Software as a Service – Salesforce, Google Mail, Service-Now, Indico

  • Different customers want access to different layers

    • Both our users and the IT Service Managers

IT Technical Forum – 27 Jan 2012


Industry Context - DevOps

  • DevOps community adopting tool chains with small tools interlinked for particular functions

IT Technical Forum – 27 Jan 2012


CERN IT Internal Cloud ?

  • Structure IT services as

    • Horizontal universal layers such as facilities, infrastructure and platform built on cloud framework

    • Consolidate to reach sustainable support size

    • Vertical application software services built on platforms

  • Self-Service request for IT resources

    • Clear tracking of customer allocations and usage

  • Build using redundant platforms

    • Homogeneous hardware configurations pre-installed

    • Hardware maintenance in bulk

    • Virtualise everything unless Total Cost including operations and lifecycleunjustified

IT Technical Forum – 27 Jan 2012


Expected Benefits

  • Improved response time to new requests for both new infrastructure and applications built on our platforms

  • Exploitation of remote data centre and business continuity

  • Optimisation of resource allocation such as scaling out, live migration for repairs and overcommit

  • Reduced maintenance effort of legacy and unique tools

  • Community developed enhancements directly applicable in our environment (e.g. IPv6) and recipes for implementation

  • Reduce ‘time to production’ of new staff due to existing skills, good training and internet community documentation

  • Improved satisfaction of system administrator and service manager, especially departing staff

  • Selectively replicable solutions to other sites without major support load

IT Technical Forum – 27 Jan 2012


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