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Ted LoveDirector of Technology
Phoenix Central School Districtwww.phoenixcsd.org
Twitter: @ted_love
OBJECTIVES
What is VDI?What is the value?
The Phoenix CSD storyDevelopmental Effects
The Business Case for VDI
What is VDI?
Server hosted virtual machines with a desktop operating system
Has a management console that allows the provisioning of desktop VMs
vs Client Hypervisor or MS Multipoint vs Server Virtualization
Phoenix CSD 2009-present Reduced IT staff Reduced equipment and supplies
budgets Increased IT department responsibilities Increased # of teacher and student
workstations Reduced power consumption
Goals for Phoenix Desktop Virtualization Centralize management of desktops Reduce footprint by having a lightweight
end device Consolidate and share compute
resources Benefit: flexibility of user device
agnosticism
Stage 1Deployed 400 Thin ClientsTested VDI – not quite mature and $$$
Solution = Terminal Server (MS RDS)
DEVELOPMENTAL EFFECTS:Users perceived the Thin Clients as “less than” desktopsTeachers couldn’t live without the DVD driveRDS offered challenges that eroded user confidence- Software issues (legacy apps)- Printing issues- 64-bit Internet Explorer (plug-ins)- User profiles would easily get corrupted- Support for USB peripherals
Stage 1Application Virtualization Over 200 programs per school building De-couple the application from the OS Portability of apps Apps assigned by user/group instead of
by physical machine Microsoft App-V, InstallFree, Vmware
ThinApp, (Citrix XenApp) Licensing woes
Leostream Hyper-V / Quest vWorkspace Citrix XenDesktop VMware View
DEVELOPMENTAL EFFECTSIT staff enjoyed the testing of various platformsHowever, it was time-consumingVendor headaches (aren’t you ready to move forward?)Afforded the opportunity to time a major purchase
We learned that the “holy grail” of VDI is theNon-persistent linked clone (vs. dedicated desktop VMs)
Stage 2Proof of Concepts / Testing VDI
Stage 3January 2011 – one lab, then three labs at the Middle School
April 2011 – all 300 thin clients at the High School converted from RDP to View DEVELOPMENT EFFECTS
Didn’t solve all problems immediatelyHad it’s own set of problems
SAN Storage!
Hypervisor RAM
User settings – portability, printing
“LOG ON STORMS”
Stage 4Summer 2011 – SSD SAN, Profile Unity
January 2012 – RAM upgrade (4 GB to 16 GB ~ min 192 GB / blade server)
Summer 2012 – deployed an additional 400 thin clients for a total of:
800 thin clients12 ESX hosts
DEVELOPMENT EFFECTSIT team is both highly skilled and more agile
Solution Scaling
Ability to invest in needed compute resource
Stage 4Announced to staff accessibility of VDI system from outside the firewall
Thanks, Ted, this is a WONDERFUL development! I will be making use of it…Pat
So many times these ideas come after school when I’m thinking about what I’m going to do the next day. Now with the virtual desktop, there’s no need to carry my files around in a hard drive.-Luisa
Holy ----!!! I downloaded this on my iPAD. Can’t believe how great it looks. Amazing. Love it. Thank you!” – Barb
VMWare works well on the iPad. Takes some getting used to the touch controls” – Rick
Effects of Desktop Virtualization Desktop technicians become desktop
architects Better desktop management benefits all
desktops (physical and virtual) Percentage of logged technician time
spent on troubleshooting went from 29.7% to 7.4% over five years
The Business Case for VDI For IT:
Single OS for IT to supportService orientedMore efficient management
For Users:Provide a better end-user experience
Cash Value:Reduce Software LicensingSave EnergySave $$ on expensive desktop replacement cycle