Testing and Validation: Leveraging VMWare for Success
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Testing and Validation: Leveraging VMWare for Success Tim Antonowicz Systems Engineer Bowdoin College
Transcript of Testing and Validation: Leveraging VMWare for Success
Testing and Validation:Leveraging VMWare for Success
Tim Antonowicz
Systems Engineer
Bowdoin College
Bowdoin College Testing, 2004
Testing was nearly nonexistentTired, Old servers kept in the basementNo standard installation baseNo management or oversight
Why Build a Testing Infrastructure?
Testing and Validation is not a requirement for successDuplicated EffortHigh Cost
Additional HardwareAdditional SoftwareRedundant InfrastructureStaff Time and Resources
Methodologies
SandboxesAreas for Developers to try new things
RedoLeverage VM change logs
Tiered approachCreate a Test-Stage-Production work flow
ClonesWork on production systems offline
Sandboxes
Playgrounds, POCLoose or no central controlVMware Workstation for developers
Desktops for client accessServers for application testingStandard services (SQL, IIS, Apache, MYSQL, etc.)Rollback changesClone new systems
ESX VMs for shared sandboxesShared services for workgroupsCollaborative work flow
Redo
Leverage the multiple disk states of VMs on ESX serverChange disk state prior to major upgradesSafety netRollback or append as neededChanges can be done via command lineDevelopers can maintain the systems themselves
Tiered Approach
Test, Stage, ProductionTesting- Developers have full access to system to script installStage- Developers and Systems work together from scriptProduction- Systems installs from script
Catch problems earlyEliminate “One-Offs”Separates developers from production environment
Clones
Take copy of production server offlineTroubleshootingBug fixesStress testing“What-ifs”
Offline EvaluationNo impact to productionProduction-type results
Bowdoin College Today
Bowdoin’s Testing environment is fully virtualized2/3 of all production servers have a test server1/3 have test and staging serversIT Developers fully onboard with the new system
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