Leveraging Cloud Computing – A Consolidation Case Study

Leveraging Cloud
Computing Flexibility
A Real-World Example

Yan Ness
CEO, Online Tech

Colocation Dedicated Servers Private Clouds

Copyright © 2011 Online Tech. All rights reserved www.onlinetech.com 734.213.2020

Our World
Lots to Manage

• 2 Data Centers
• 100s of Circuits
• 1,000s of Servers
• 100s of Network Devices
• 100s of racks, cages
and private suites
• 1,000s of support tickets
• Certified and audited
processes (SAS70, SSAE16,
SOC2 and SOC3)
• Employees in 5 locations
and 2 countries
• All 7x24 mission critical



Critical Systems
Variety of Needs

• Administration • Operations
• Exchange, Sharepoint, Fileserver, • Bandwidth Management and Billing
Domain Controller • Custom centos programs that take
data from our routers and populate a
MySQL database
• Marketing • 5 million records/month
• Production and Development website • Patch Management
• Load balanced Website • 1,000s of patches a month
• Firewall and IDS Management
• OTPortal consoles
• Client and Intranet Portal • Antivirus Management
• Microsoft .net Applications • Server and Cloud Backup Managers
• 500 MB database on MS SQL 2008 • SAN and NAS Management
Database • Uptime and Performance Monitoring

• OTMobile • Lab
• Mobile access for our engineers • Sandbox for testing
• PHP application



Our Private Cloud

• 23 Physical Servers • OT Private Cloud
• 18 Windows, 5 CentOS – 2 Hardware Servers (N+1)
• 2xQuad Core CPUs, 48GB RAM
servers
– 8TB SAN (SATA – RAID 10, 3TB usable)
• 4 database servers – HA Configuration
• Each ~10% utilized • Automatic Load Balancing Across Hosts
• Automatic Failover to Single Server
– Continuous Offsite Backup
– Warm Site D/R in Ann Arbor
• 4 Hour Recovery Time – Fully Tested

4

Leveraging Our Cloud
Gaining Value

• Pace
• We increased the pace of development
• Total Cost of Ownership
• We reduced the management costs for our infrastructure
• Uptime
• Every “server” is redundant
• Performance
• We improved our ability to respond to performance issues
• Green
• We dramatically reduced our carbon footprint



Pace
Saving Time

• “Copy and Paste”
• Pre-release
• Test new versions on exact production duplicate
• 2 week project done in 1 hour
• We now do OTPortal releases every 2 weeks
• New time-saving features sooner
• Design Feasibility
• Create new servers and test concepts using production
data
• New Technology Used with less risk



Total Cost of Ownership
It’s about saving Money

• Old TCO
• 26 Physical Dell Servers, variety of specifications, versions, bios, CPU, memory
configurations, need lots of different spares
• 52 power supplies
• 26 Backups, 26 Anti-virus, 26 machines to network and patch
• 4 Cisco network switches
• 2 racks in the data center
• 100+ network cables
• Half a dozen power strips
• Hours and hours to upgrade disks
• Downtime to upgrade memory
• Cloud TCO
• 2 servers + SAN+2 network switches
• 2 power strips
• Quarter of a Rack
• Obvious
• If you Manage IT Equipment you can “Feel the Savings” by seeing this list
• Save 50% on Hardware, 90% on Management



Uptime Improved
Our Life Blood

• Server Failure
• N+1 Hosts mean…
• Every virtual server we create is protected from a failed
hardware server
• Would have required an additional 26 servers!
• Upgrades
• Memory – upgrade 1 server at a time
• Disks – 2 mouse clicks and a reboot
• Backup and DR
• Single backup process for each host
• Backups for every virtual server on all hosts
• <4 hour RTO for all 26 servers (75% is for Exchange alone)



Performance
“I need more power Scotty”

• Old Days • Cloud Days
• Get the right RAM/Disk/CPU
(few days?) • Schedule downtime
• Schedule downtime (2 day to • Click to add more
1 week notice) RAM/Disk/CPU
• Shut down the server
• Remove it from the rack
• Reboot server
• Open server install additional • Test performance
resources • 5 minute downtime
• Boot server
• Test performance – hope we
added enough • Entire Cloud
• Turn the server back off so we
can re-rack it • Upgrade hardware one
• Restart the server host at a time
• 2 hour downtime • Practically 0 Downtime



Green
Saving the Planet & Money

• Power Consumption
• 300 watts/server
• 100% uptime (365 days * 24 hours)
• PUE 1.8
• 1.58 lbs co2/kwhr (Michigan)
• 26 Physical servers + network
• ~210,269 lbs of co2 per year
• ~420,539 lbs of co2 per year for redundancy
• Cloud - 2 physical servers + network + SAN
• 35 server capacity
• ~27,903 lbs co2 per year
• ~356,942 miles at 21 mpg / year



Leveraging Cloud Computing – A Consolidation Case Study

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