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Design a Practical Consolidation Roadmap: From Assessment to Implementation. Prem Jadhwani CISSP, CISM, GIAC Sr. Solutions Architect, GTSI Corp. . Agenda. Why data center consolidation? Data center consolidation recommendations

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Design a practical consolidation roadmap from assessment to implementation l.jpg

Design a Practical Consolidation Roadmap: From Assessment to Implementation

Prem Jadhwani


Sr. Solutions Architect, GTSI Corp.

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Agenda Implementation

  • Why data center consolidation?

  • Data center consolidation recommendations

  • Choosing appropriate assessments, tools & technologies for data center consolidation planning

  • Best practices in data center consolidation

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Why Data Center Consolidation ? Implementation

  • Consolidate 1100+ data centers

  • Reduce energy consumption

  • Reduce the costs of hardware, software, and operations

Data Center Consolidation

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Data Center Economics Implementation

Infrastructure spending is flat, management costs are rising

Effect of


Source: IDC, "CIO Strategies to Build the Next Generation Data Center," Doc # DR2007_5VT, February 2007.


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Today’s Data Center Model is Broken Implementation

  • Poor forecasting + low flexibility = excess capacity

  • Typical datacenter: 3 years excess server capacity

  • Servers consume >50% of average power when idle

  • Datacenters are outdated and hugely inefficient

  • Cooling servers often requires 2x the power consumed

  • Servers DOUBLING every 5 years

  • Network Devices DOUBLING every 2 years

  • Terabytes of Storage DOUBLING every 1 year

  • $2 – $3 spend on management for every $1 spend on hardware*

Over-provisioned Capacity

Inefficient Datacenter Design

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Server/Storage 50% Implementation

Computer Rm. AC 34%

Conversion 7%

Network 7%

Lighting 2%

Where Does the Power Go?

Power Consumption in the Data Center

Compute resources and particularly servers are at the heart of a complex, evolving system!

Source: APC

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Data Center Priorities: ImplementationReduce Costs, Increase Agility

100% business service availability

Deliver new business services

Maintain compliance

Manage application and infrastructure growth

Reduce cost of maintenance and support

Enhance quality of services


CIO Office


Agility Pressures



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Consolidation Approaches & Focus Areas Implementation

Source: OMB

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Key Impact Areas Implementation

Source: OMB

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Phase 1 : IT Asset Inventory Baseline Implementation

Source: OMB

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Phase 2 : Application Mapping Implementation

Source: OMB

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Data Center Assessment Implementation

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Inventory & Cost Reports Implementation

  • Catalog of all physical and virtual machines

  • Candidates and potential candidates for consolidation

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Network Assessment is the first step in the Data Center Assessment

Network Assessment & Analysis

Configuration, Design, Validation

Network Assessment

  • Base-Line the Topology and Technology of Your Network

  • Analyze discovery to propose:

    • Upgrades

    • Replacements

    • Maintenances

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Network Audit and Discovery Assessment

Device Information Retrieved :

  • Serial and catalog number

  • Addresses:

    • IP (Inactive & Active)

    • IPX

    • MAC (Inactive & Active)

  • Free and used device memory

  • Hardware and software (IOS) versions

  • Device internal configuration including card positions

  • Host and system names

  • Configuration files

  • Physical connections between devices

  • Device status (EoL, EoS, etc.)

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Software Asset Assessment Assessment

  • Complete list of all applications, software licenses, patches applied to each system

  • Software audits to identify all approved and unauthorized software packages

  • Complete and detailed inventory of all OS’ systems

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Energy Efficiency Measures Assessment

Total Data Center Power Consumption


IT Power Consumption

Cooling &



Cooling &



Cooling &









Current trend (1.9)

Bestpractices (1.4)

State of the art (1.2)

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GTSI Virtualization Calculator Assessment

GTSI Virtualization Calculator

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Thermal AssessmentQuick Assessment

Thermal Intermediate Assessment

Thermal Comprehensive Assessment

  • Visual inspection

  • Data measurements

  • Basic report and recommendations

  • 3D under- and above- floor modeling

  • Thermal prediction

  • Comprehensive report and recommendations

Power and cooling assessments

  • Data gathering above floor modeling

  • Thermal modeling

  • Extensive report and recommendations

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Best Practice: Data Center Airflow Assessment

  • Best practices

  • Hot aisle/cold aisle

  • Matching server airflows

  • Eliminate gaps in rows

  • Use longer rows

  • Use cabinet blanking panels

  • Orient AC units perpendicular to hot aisles

  • Seal cable cutouts

  • Use 0.8m to 1.0m high floors

  • Use high and low density areas

  • ITSM


Lower server temperatures

Better reliability

Better uptime

Extends life of current data center

Maximize server density

Lower energy usage

Lower TCO

40-50% of the inefficiency inside data center is linked to lack of best practices deployment

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Cooling IN the Row, Close to the Load Assessment

Hot-aisle air enters from rear, preventing mixing of hot and cool air

Variable-speed fans optimize efficiency by closely matching performance to dynamic cooling demand

Heat is captured and rejected to chilled water

Cold air is supplied to the cold aisle

InRow® cooling units

Operates on hard floor or raised floor

InRow® units

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Physical Location of the Data Center Still Matters AssessmentIt’s not all about virtualization

Local or remote? Factors in play:

  • Industry vertical

    • Frequency of data accessrequirements (eg: real-time data record synchronisation)

    • Storage needs (by size) & compliance burden (need to store multiple years’ records)

  • Data storage type

    • Mission-critical (low latency due to synchronisation needs, close location required, survivability paramount)

    • Business-critical operational (remote location acceptable, backup paramount)

    • Archiving (remote location acceptable)

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Solutions for Data Center Automation Assessment


Links to

IT service management

Element automation

Comprehensive automation for networks, servers or storage, spanning all tasks from provisioning and change management to compliance enforcement and reporting


Automate networks



Automate servers

Runbook automation

Automate business services(Data center + client)



Automate common IT processes

Establish runbook automation for common and repeatable IT processes across all infrastructure tiers, IT groups and systems



Automate storage


Links to

business service management

Links to

change, configuration and release

Data center automation

Integrated automation of all aspects of deploying and managing applications, servers, networks, storage and common processes across the entire data center


Automate business services

Automate the entire business service with continuous control of each phase of the service lifecycle, across the data center and client end points, from automated operations to monitoring and ticketing


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Improve IT Operational Processes Assessment

ITIL provides a systematic and professional approach to the management of IT service provision. It provides a cohesive set of best practices and is critical to data center consolidation:

  • Service Delivery Processes

  • Service-level mgmt, financial mgmt., capacity mgmt., IT service continuity, availability mgmt.

  • Service Support Processes

  • Incident mgmt., problem mgmt., change mgmt., configuration mgmt., release mgmt.

  • ITIL Benefits

  • Detailed taxonomy, emphasis on process, process integration, standardization, focus on customer

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Key Takeaways Assessment

  • Take a phased approach

  • Follow the best practices & lessons learned

  • Engage industry partners that can help you with the OMB Federal Data Center Initiative

  • Assess your infrastructure readiness before you begin your journey to cloud computing.

  • Start with a Proof of Concept in a lab.

  • Deploy best of breed solutions that fit your environment.