indumathi lnu university at albany - nysforum.org it_project.pdf · green it projects • it...
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Green IT Project: The Business CaseIndumathi LnuUniversity at Albany
DATE
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We will discuss
• Identifying green IT projects
• Funding green IT projects
• Building the business case
• Case study: University at Albany’s storage consolidation project
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Green IT Projects
• IT equipment and facilities related projects that reduce energy usage and costs
• Focus on the big ticket items
• Don’t ignore the low hanging stuff
% Energy Usage
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Partial List of Green Projects: Servers
• Servers
• Follow the standards- 80Plus, Standard Performance Evaluation Corp. (SPEC)’s performance-per-watt benchmark, LBNL+EPA specifications, Energy Star labeled servers
• Not all these standards are in place yet
• ENERGY STAR servers 30% more energy efficient than standard servers
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Partial List of Green Projects: Servers
• Server and Storage:
• Consolidation and Virtualization
• Eliminate physical servers
• Increase utilization of servers and remove idle/dead and underutilized servers
• Savings: About $1200/server/year
• Thin Client:
• Shift all processing to servers for maximum server utilization
• Only user interface, some heavily used applications and networked operating system on the client
• Savings: $10 to 25/device + lower cost of terminal device
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Partial List of Green Projects: Servers
• Enable Power Management:
• Not many reliable tools; AMD has good power management capability
• Advanced Configuration and Power Interface developed by HP, Intel and Microsoft may cause problems on Linux servers
• Potential for 20% reduction in energy usage
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Partial List of Green Projects: Power Supply
• High Efficiency Power Supply:
• Consider power supply efficiency vs. server load profile when selecting power supply
• Right-size power supplies
• Power supply must deliver 80% efficiency across a range of low load levels
• Consider power supplies that are Gold certified by 80Plus.org
• Certified power supplies are at least 33% more energy efficient than standard power supplies
• Install Power Distribution Units as close to the rack as possible to limit conductor run
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Partial List of Green Projects: HVAC
• Efficient HVAC System:
• Life Cycle Cost analysis on new data center or upgrades
• Modular chillers or chillers with VSD compressors with high part load efficiencies
• Chilled and condenser water reset strategies
• Low pressure drop diffusers and filters
• Increase supply air temperature as feasible to provide adequate cooling
• Variable Frequency Drives for AHU, cooling tower and other HVAC fans and chilled and hot water pumps
• Premium efficiency fan and pump motors
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Partial List of Green Projects: HVAC
• Water or Airside Economizer:
• Integrate economizer with mechanical cooling
• Air economizer vs. filtration issues: Could use indirect but requires space
• Water side economizer required a water-cooled system
• Design economizer for medium temperature air and install controls to avoid unnecessary humidity loads
• Economizers can reduce cooling usage by 20% in NY climate
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Partial List of Green Projects: HVAC
• Mechanical Airflow Management:
• Eliminate mixing and re-circulating hot equipment exhaust air:
• Hot aisle/cold aisle isolation, rigid enclosures, blanking unused racks, racks with good internal airflow
• Maximize return air temperature by supplying air directly to the loads
• Provide adequately sized return and supply ducts/ plenums
• CFD software for efficient airflow and cooling design
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Partial List of Green Projects: Lighting
• Efficient Lighting and Controls:
• High performance T8 or T5 fixtures, maybe even LED
• Occupancy based lighting controls
• Reduce lighting load as well as load on air-conditioning
• Ensure heat load from lighting is effectively removed
• Savings: 30-50% of lighting loads
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Partial List of Green Projects: Other
• Energy Management System:
• Consider real-time energy and demand monitoring for various data center systems including IT loads, cooling system, HVAC fans and pumps, and power supplies
• Provide trending capabilities that allow analysis of data for decision-making
• Provide controls for temperature and humidity, fully integrated economizer cycle, and part load operation of cooling and fan systems
• Retro- and Re-Commissioning:
• Develop schedules and process for re-commissioning including schedules for recalibrating control sensors
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Identifying Green IT Projects
• Two Approaches
• One: Conduct a preliminary audit and develop master plan
• Flex tech services from NYSERDA or NGRID
• Two: Upgrade to energy efficient measures when purchasing/replacing equipment
• Typical IT refresh cycle: 5 years?
• Only look at incremental costs
• Easier to develop business case
• Drawback: may not be comprehensive but could be if guided by master plan/audit
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Funding Green IT Projects
• Internal sources
• Capital funds
• Operating funds (utility budget)
• ITS and/or Facilities Department
• External grants
• NYSERDA
• NGRID
• Private sponsors: manufacturers, vendors, etc.
• Federal grants
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Business Case: TCO
• Total cost of ownership:
• Half is capital expenses; other half is operating expenses
• Annual energy savings: utility cost savings
• Operation and maintenance savings
• Reliability
• Service contracts
• Staff proficiency and productivity gain
• System performance improvement and end user satisfaction
• Physical space savings
• Current and future capital cost avoidance
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Business Case: Getting Started
• Define problem
• Define technical and performance goals for the project
• Research solutions
• Prepare a comparative matrix using the goals document
• Provide metrics for each solution : PUE, Watts/usable terabytes, annual cost savings, % energy reduction, etc.
• Highlight advantages of proposed solution
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Business Case : The Metrics
• Gather data
• Initial cost of proposed project and alternatives: equipment, labor, internal staff time
• Avoided capital cost (current and future) : life expectancy of existing equipment vs. proposed
• Metered energy data
• Current and proposed staff time (hours and $$) : may not result in cost savings but increased efficiency
• Current and proposed service contract $$
• Current and proposed space requirement
• Other quantitative data
• Other qualitative data
• Available grants and incentives
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Business Case : The Analysis
• Analysis
• Vendor: beware of exaggerated savings
• ITS staff: may need assistance from other departments such as facilities, energy office
• Consultant: could be partially funded by grants/incentives
• Use simple payback for simpler projects
• Use cash flow analysis or life cycle cost analysis for more complex projects
• Include all recurring annual cost savings
• Clearly state assumptions
• Prepare an executive summary as well as detailed report
• Present to senior management and/or grant sources
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Case Study: UA Storage Consolidation
• Problem Identification
• Distributed approach to data storage
• (16) fiber attached storage systems
• 60% of systems >4 years old : nearing end of useful life
• Limited growth capacity
• Underutilized
• Inability to achieve site redundancy
• High overhead costs: different interfaces each with periodic updates and maintenance, staff proficiency
• Storage not adequate to meet needs of server virtualization
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UA Storage Consolidation: Opportunity
• Need to add storage capacity to meet campus needs
• Traditional approach
• Add two more storage devices to existing (16)
• Keep existing problems and add to it
• Lowest first cost
• No staff re-training
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UA Storage Consolidation: Opportunity
• Virtualize existing storage systems using appliance-based abstraction layer
• Examples include the IBM SVC and the NetApp V3140
• Allowed for data replication via SAN fabric
• Thirteen of the sixteen existing storage systems were not integrated in the SAN: migration a project in itself
• Old storage systems would still remain
• Still need to purchase (2) new storage systems
• Total (18) storage systems plus redundant storage virtualizationappliances = twenty-two systems
• Management, maintenance costs, power, cooling and rack space issues would only be exacerbated
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UA Storage Consolidation: Opportunity
• Storage Consolidation : Preferred Solution
• NetApp FAS3160 storage solution: met our technical and performance goals
• Unified storage architecture
• Consolidate (12) storage systems in the primary data center intoone new system and (4) storage systems currently in the alternate data center into an identical new system
• De-commission (16) storage systems
• Higher first cost
• Staff need to be re-trained
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Storage Consolidation: Benefits
• Consolidation of # of systems
• Replaced many relatively low density disk drives with higher density disk drives
• Same usable disk space with less disk drives
• Allow staff to develop proficiency in one system
• Occupy less space : we have a cubicle for a data center
• Future Growth Accommodation
• Accommodate disk space requirements served by (16) systems : 80% of usable disk space
• Can accommodate 1-2 years of future storage growth needs
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Storage Consolidation: Benefits
• Site Redundancy
• Positions UAlbany to continue with server, application and data redundancy projects
• Continue server virtualization projects to take advantage of storage and site replication
• Failover strategy with little or no data loss with a recovery time within one to two hours for the server virtualization environment
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Storage Consolidation: Benefits
• Lower Total Cost of Ownership
• 17 kW or 68% reduction in average power demand; 75% reduction in watts per usable terabytes
• 152,137 kilowatt-hours savings per year or 8% savings in data center energy usage
• $15,822 in annual utility cost savings
• 234,260 lbs of CO2 emissions reduction
• Better centralization and automation of storage administration and support �better storage per administrator ratios
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Storage Consolidation: Benefits
• Lower Total Cost of Ownership
• 43% savings in rack U’s required for storage (54 rack-U instead of 95)
• Upwards of 80% capacity utilization (compared to 25-30%) and 99.995% availability
• 30% increase in disk capacity by increasing disk space from 55.3 to 72 Terabytes
• Ability to more proactively manage storage needs
• Capacity to address data redundancy and disaster recovery
• A foundation for the concurrent Server Virtualization project
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Storage Consolidation: Benefits
• Lower Total Cost of Ownership
• Eliminate $63,675 per year in maintenance contracts; 3-year maintenance included in the new hardware purchase
• Avoided current capital cost to purchase (2) systems: $300,000 (Not to mention 7kW increase in power and more space requirement)
• Restart the replacement cycle with new hardware
• Avoided future capital cost to replace the (16) systems over the next 4 years: $844,300
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Storage Consolidation: Project Economics
• Project economics without NYSERDA grant
• Typical IT refresh cycle: 4-5 years
• Maintenance cost avoidance is only for 3 years
• Not an impressive business case
Energy Cost Savings ($/Yr) $15,822
Maintenance Cost Avoidance ($/Yr) $63,674
Total Annual Cost Savings ($/Yr) $79,496
Total Project Cost ($) $638,679
Current Capital Cost Avoidance ($) $300,000
Future Capital Cost Avoidance ($) $844,300
Current Incremental Project Cost ($) $338,679
Simple Payback (Yr) 4.3
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Storage Consolidation: Project Economics
• Project economics with NYSERDA grant
• Had no problems selling this project to senior management
Energy Cost Savings ($/Yr) $15,822
Maintenance Cost Avoidance ($/Yr) $63,674
Total Annual Cost Savings ($/Yr) $79,496
Total Project Cost ($) $638,679
Current Capital Cost Avoidance ($) $300,000
Future Capital Cost Avoidance ($) $844,300
Current Incremental Project Cost ($) $338,679
NYSERDA Incentives $200,000
Final Net Incremental Cost to UAlbany $138,679
Simple Payback (Yr) 1.8
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Storage Consolidation: Current Status
• Project is 100% complete
• New high capacity storage system in primary data center
• Redundant storage system with equal capacity in secondary data center
• (16) old storage systems decommissioned
• Visitors welcome
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Questions?
University at Albany contacts
Indumathi Lnu
Energy Officer
518-442-3183
Brian Heaton
Associate Director, Systems Management and Operations
518-442-3842
Nancy Beck
Data Center Manager
518-591-8627
THANK YOU