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Growing requirements of processing: proliferation of servers, demandingmore energy, cooling, space

WHAT IS IT ?WHAT IS IT ?Virtualization is a software Virtualization is a software abstraction of computer abstraction of computer (hardware) resources.(hardware) resources.

Virtualization products partition Virtualization products partition physical servers in multiple virtual physical servers in multiple virtual machines. Each virtual machine machines. Each virtual machine represents a complete system, with represents a complete system, with processors, memory, networking, processors, memory, networking, storage and BIOS. storage and BIOS.

Multiple virtual machines Multiple virtual machines can can share share physical resources and run physical resources and run side by side on the same server. side by side on the same server.

Operating systems and Operating systems and applications applications can run unmodified in can run unmodified in virtual machines. virtual machines.

HOW CAN IT BE USED HOW CAN IT BE USED WITHIN AN WITHIN AN ORGANIZATION FOR ITS ORGANIZATION FOR ITS BUSINESS PROCESSES ?BUSINESS PROCESSES ?

By consolidation of servers, By consolidation of servers, isolation of processes, isolation of processes, disaster recovery, new disaster recovery, new software testing.software testing.

Savings in costs, increased Savings in costs, increased reliability and availability, reliability and availability, more efficient usage of more efficient usage of hardware resources.hardware resources.

WHAT WOULD BE THE ADVANTAGES AND WHAT WOULD BE THE ADVANTAGES AND DISADVANTAGES OF DISADVANTAGES OF VIRTUALIZATIONVIRTUALIZATION ? ?

Advantages:Advantages:

#1 #1 Decreases power, cooling, floor space and infrastructure.Decreases power, cooling, floor space and infrastructure.#2#2 Simplifies disaster recovery and business continuity requirements.Simplifies disaster recovery and business continuity requirements.#3#3 Increases server utilization from the typical averages of 5-15% to 60-80%. Increases server utilization from the typical averages of 5-15% to 60-80%.#4#4 Faster deployment of information technology resources reduces time to Faster deployment of information technology resources reduces time to market.market.#5#5 Lower operational costs associated with reduced resource management and Lower operational costs associated with reduced resource management and administration.administration.#6#6 Improves application performance by dynamically adapting storage and Improves application performance by dynamically adapting storage and server resources to meet peek usage cycles.server resources to meet peek usage cycles.#7#7 Aligns application data with the storage infrastructure to match application Aligns application data with the storage infrastructure to match application quality of service requirements and lower cost per gigabyte.quality of service requirements and lower cost per gigabyte.#8#8 Improves protection and recovery of critical business data. Improves protection and recovery of critical business data.#9#9 Easier to secure and comply with regulatory requirements such as SOX, Easier to secure and comply with regulatory requirements such as SOX, HIPPA and eDiscovery.HIPPA and eDiscovery.#10#10 Nearly 60 percent of Fortune 500 companies are implementing Nearly 60 percent of Fortune 500 companies are implementing virtualization in their data centers, and another 30 percent are developing plans virtualization in their data centers, and another 30 percent are developing plans to do so. This means a growing available pool of qualified professionals.to do so. This means a growing available pool of qualified professionals.

DisadvantagesDisadvantages

#1#1 Licensing costs. Licensing costs.

#2#2 Vulnerable to server failure. Vulnerable to server failure.#3#3 Compromise of virtualized hosts will affect guest machines.Compromise of virtualized hosts will affect guest machines.#4#4 Additional guest servers will require their own administration Additional guest servers will require their own administration measures.measures.

#5#5 Initial cost can be high – renewal of associated infrastructure must be Initial cost can be high – renewal of associated infrastructure must be added (newest processors, storage).added (newest processors, storage).

Personal Note : the Cons part wont have to be presented in such a way, it is only used as a way to anticipate potential aversions coming from some local IT specialists

Once an organization realizes the Once an organization realizes the advantages of going into virtualization, advantages of going into virtualization, several considerations are to be taken: several considerations are to be taken:

Strategy (replace, expand)Strategy (replace, expand) What systems to virtualize. What systems to virtualize. Operating systems involved.Operating systems involved. Hardware platforms. Hardware platforms. Administrative Issues.Administrative Issues.

Hardware reuse, replacement.Hardware reuse, replacement. Licensing issues.Licensing issues. Legacy software considerations.Legacy software considerations. Additional infrastructure expenses Additional infrastructure expenses

must be considered (e.g. Energy must be considered (e.g. Energy efficient cabinets, new network efficient cabinets, new network cabling....)cabling....)

Prototype testingPrototype testing MigrationMigration CommissioningCommissioning

VMWARE (ESX, Server)

CITRIX (Xen)

SUN xVM (VirtualBox)

MICROSOFT (Hyper-V Server 2008)

PARALLELS

VIRTUALIRON

CASE STUDY:CASE STUDY:

Evaluation and Evaluation and Comparison of Comparison of market leader market leader VMWARE ESX VMWARE ESX product and product and MICROSOFT MICROSOFT recent entry recent entry HYPER-V product. HYPER-V product.

VMWARE ESX ARCHITECTUREVMWARE ESX ARCHITECTURE

Hardware requirements:Hardware requirements:

Minimum: 1 GB RAM; Recommended: Minimum: 1 GB RAM; Recommended: 2+ GB RAM2+ GB RAM

Maximum (64-bit systems): Maximum (64-bit systems): 256256 GB GB RAM RAM Hard disk space: Hard disk space: Minimum: 10 GB; Minimum: 10 GB;

Recommended: 40 GB or greaterRecommended: 40 GB or greater. . Requires local disk for system, Requires local disk for system, recommended SCSI, SATA limited recommended SCSI, SATA limited compatibility. Storage can be attached compatibility. Storage can be attached externally (physical, virtual).externally (physical, virtual).

Hardware must be VMWARE certified.Hardware must be VMWARE certified.

VMWARE typical scenarioVMWARE typical scenarioGuest O.S.: SOLARIS 10Guest O.S.: SOLARIS 10

Solution OverviewSolution OverviewCustomer Size:Customer Size: 31,500 31,500 employeesemployeesOrganization ProfileOrganization Profile 7-Eleven, Inc. is the world’s largest operator, franchisor and 7-Eleven, Inc. is the world’s largest operator, franchisor and

licensor of convenience storeslicensor of convenience stores (34,800 stores in 17 countries, (34,800 stores in 17 countries, 5,600 stores in North America)5,600 stores in North America). 7-Eleven also is one of the nation's . 7-Eleven also is one of the nation's largest independent gasoline retailers. largest independent gasoline retailers.

HardwareHardware HP ProLiant DL380 G5 servers HP ProLiant DL380 G5 servers Quad-Core Intel Xeon processorsQuad-Core Intel Xeon processorsPartner(s)Partner(s)

HPHPSoftware and ServicesSoftware and Services

VMWare ESX, VirtualCenter, VMotionVMWare ESX, VirtualCenter, VMotion

Vertical IndustriesVertical Industries Convenience retailing, gasoline retail.Convenience retailing, gasoline retail.

VMWARE ESX ServerVMWARE ESX ServerCASE STUDY: CASE STUDY: 7-eleven7-eleven

RESULTS :RESULTS :• • 15:1 server consolidation on 2-CPU servers, 15:1 server consolidation on 2-CPU servers,

30:1 on 4-CPU servers30:1 on 4-CPU servers• • Shortened deployment time from 6-8 weeks Shortened deployment time from 6-8 weeks

to one day to one day •• Improved server utilization by 60 Improved server utilization by 60

percentpercent• • Optimized server management with Optimized server management with

VirtualCenterVirtualCenter• • Reduced downtime with VMotionReduced downtime with VMotion• • Compressed development and testing cycles Compressed development and testing cycles • • Drastically reduced energy and cooling costs Drastically reduced energy and cooling costs • • Provided mainframe levels of reliability and Provided mainframe levels of reliability and

data security at lower costdata security at lower cost

VMWARE ESX ServerVMWARE ESX ServerCASE STUDY: CASE STUDY: 7-eleven 7-eleven (cont.)(cont.)

Launched in 2012 Launched in 2012 (late entry in the (late entry in the market – almost 10 years after VMware).market – almost 10 years after VMware).

Available as a stand-alone product or as Available as a stand-alone product or as part of Windows 2012 Serverpart of Windows 2012 Server

Different licensing and configuration Different licensing and configuration options.options.

Microsoft Hyper-V Server PackagingMicrosoft Hyper-V Server Packaging

Virtualization Needs

Hyper-V Server (standalone)

Windows 2008 Server Standard

Windows 2008 Server Enterprise

Windows 2008 Server Datacenter

Server Consolidation

Test & Development

Mixed Windows & Linux virt.

High Availability Quick Migration Support for > 4 processors

Included guest MS licenses

0(must purchase)

1 physical

+ 1 VM

1 physical

+ 4 VM

1 physical + unlimited VM

Personal Note: this table needs to be updated

Hyper-V Server ArchitectureHyper-V Server Architecture

Hardware requirements:Hardware requirements:

64-bit x86 processor with hardware-64-bit x86 processor with hardware-assisted virtualization (Intel VT or AMD-assisted virtualization (Intel VT or AMD-V).V).

Data execution prevention (DEP) enabled Data execution prevention (DEP) enabled in BIOS. Sin BIOS. Specifically, you must enable pecifically, you must enable Intel XD bit (execute disable bit) or AMD Intel XD bit (execute disable bit) or AMD NX bit (no execute bit). NX bit (no execute bit).

Hardware virtualization enabled in BIOS.Hardware virtualization enabled in BIOS.

Microsoft Hyper-V Microsoft Hyper-V ServerServer

Hardware requirements (continued):Hardware requirements (continued): Minimum: 1 GB RAM; Recommended: 2+ Minimum: 1 GB RAM; Recommended: 2+

GB RAMGB RAM Maximum (64-bit systems): 32 GBMaximum (64-bit systems): 32 GB Hard disk space: Hard disk space: Minimum: 10 GB; Minimum: 10 GB;

Recommended: 40 GB or greaterRecommended: 40 GB or greater. . Requires local disk for system, storage Requires local disk for system, storage can be attached externally.can be attached externally.

Microsoft Hyper-V Microsoft Hyper-V ServerServer

Stand-alone: Microsoft Hyper-V Server:Stand-alone: Microsoft Hyper-V Server:

Contains Windows Hypervisor and other Contains Windows Hypervisor and other components including base kernel and driver components including base kernel and driver technologies. (Only command line or remote technologies. (Only command line or remote management)management)

As part of Windows 2008 Server:As part of Windows 2008 Server:

Available as a role in Server core or full Available as a role in Server core or full installation of the Windows 2008 server installation of the Windows 2008 server (Standard, Enterprise, Data Center). GUI console, (Standard, Enterprise, Data Center). GUI console, remote management, command line interfaces.remote management, command line interfaces.

Product Product implementationimplementation

Personal Note: this needs to be updated

GUEST O.S. SPECIFICATIONSGUEST O.S. SPECIFICATIONS 32 bit (x86) operating systems (e.g. MS-Windows 32 bit (x86) operating systems (e.g. MS-Windows

9x, XP, Vista*; MS-Windows 200x except for 9x, XP, Vista*; MS-Windows 200x except for Windows 2008 self); Linux, Solaris, Unix.Windows 2008 self); Linux, Solaris, Unix.

64 bit (x86) operating systems (Windows, SuSE 64 bit (x86) operating systems (Windows, SuSE Linux)**Linux)**

32 and 64 bit O.S. can execute concurrently.32 and 64 bit O.S. can execute concurrently. Up to 4 virtual processors per virtual machineUp to 4 virtual processors per virtual machine Up to 31 GB memory for all Up to 31 GB memory for all (up to 128) (up to 128) running running

virtual machines (1GB reserved for Hyper-V virtual machines (1GB reserved for Hyper-V Server Parent Partition)Server Parent Partition)..

* : Windows Vista currently requires patch.* : Windows Vista currently requires patch.

Microsoft Hyper-V Microsoft Hyper-V Technical DataTechnical Data

**Note: Red Hat and other Linux must have XEN extensions SOLARIS, UNIX not yet supported.

Microsoft Hyper-V ServerMicrosoft Hyper-V ServerTypical ScenarioTypical Scenario

SCVMM : System Center SCVMM : System Center Virtual Machine ManagerVirtual Machine Manager

Provides overview of a group of hosts, and VM within eachhost

Solution OverviewSolution OverviewCustomer Size:Customer Size: 130000 employees 130000 employeesOrganization ProfileOrganization Profile Costco Wholesale Corporation is an international wholesale distributor Costco Wholesale Corporation is an international wholesale distributor

based in Issaquah, Washington. Costco has 539 member warehouses and based in Issaquah, Washington. Costco has 539 member warehouses and 130,000 employees.130,000 employees.

HardwareHardware HP ProLiant DL380 G5 servers HP ProLiant DL380 G5 servers Quad-Core Intel Xeon processorsQuad-Core Intel Xeon processorsPartner(s)Partner(s)

HPHP

Software and ServicesSoftware and Services

Microsoft System Center Virtual Machine Manager 2008Microsoft System Center Virtual Machine Manager 2008 Windows Server 2008Windows Server 2008 Windows Server 2008 Hyper-VWindows Server 2008 Hyper-V

Vertical IndustriesVertical Industries Consumer GoodsConsumer Goods

Mostly a Microsoft shop (1200 servers, 95% Mostly a Microsoft shop (1200 servers, 95% of them on Windows products)of them on Windows products)

Started virtualization efforts in 2006 (using Started virtualization efforts in 2006 (using MS Virtual Server 2005, a previous, limited MS Virtual Server 2005, a previous, limited virtualization product).virtualization product).

As soon as hearing about Hyper-V, enrolled As soon as hearing about Hyper-V, enrolled in MS in MS Virtualization Rapid Deployment Virtualization Rapid Deployment ProgramProgram..

Using MAP tool (Microsoft Assessment and Using MAP tool (Microsoft Assessment and Planning) server loads were evaluated, Planning) server loads were evaluated, discovering underutilized servers, good discovering underutilized servers, good candidates for consolidation.candidates for consolidation.

Initial phase: 50+ servers consolidated on 5 HP servers Initial phase: 50+ servers consolidated on 5 HP servers with Quad-Core Intel Xeon processors. with Quad-Core Intel Xeon processors.

The server cluster has a core infrastructure that mimics the The server cluster has a core infrastructure that mimics the production Costco environment production Costco environment

Quality Assurance staff verifying rQuality Assurance staff verifying reliability and stability eliability and stability before rolling out new systems to internal customers and before rolling out new systems to internal customers and member warehouses. member warehouses.

By virtualizing existing servers instead of purchasing new By virtualizing existing servers instead of purchasing new physical machines, Costco limited the proliferation of physical machines, Costco limited the proliferation of servers in its data center. servers in its data center.

IT staff at Costco expects to achieve 40-45% virtualization IT staff at Costco expects to achieve 40-45% virtualization by August 2009.by August 2009.

Expected savings in energy costs, currently $75,000/mo Expected savings in energy costs, currently $75,000/mo (yet to quantify).(yet to quantify).

ROI not yet published (estimated?)ROI not yet published (estimated?)

Hyper-V lacks some advanced features Hyper-V lacks some advanced features of VMware's ESX server and of VMware's ESX server and virtualization platform, but its virtualization platform, but its relatively low cost, integrated physical relatively low cost, integrated physical and virtual management, and ease of and virtual management, and ease of implementation might be good enough implementation might be good enough for many organizations today. for many organizations today.

Microsoft-based shops will eventually Microsoft-based shops will eventually migrate to Windows 2008 and have migrate to Windows 2008 and have access to Hyper-V (Netscape history access to Hyper-V (Netscape history repeating ?)repeating ?)

One important disadvantage of Hyper-V One important disadvantage of Hyper-V is its requirement for 64-bit hardware. is its requirement for 64-bit hardware. This excludes many 32-bit based This excludes many 32-bit based infrastructures that may benefit greatly infrastructures that may benefit greatly from virtualization, leaving them to the from virtualization, leaving them to the competition.competition.

VMWARE claims to be less expensive VMWARE claims to be less expensive than MS-Hyper-V, mainly due to than MS-Hyper-V, mainly due to Microsoft’s pricing model regarding Microsoft’s pricing model regarding licenses of guest OSs, despite a licenses of guest OSs, despite a higher license cost per installation.higher license cost per installation.

VMWARE footprint: 32 MB vs HYPER-VMWARE footprint: 32 MB vs HYPER-V 2 GB : bigger attack surface.V 2 GB : bigger attack surface.

VMWARE ESX server provides VMWARE ESX server provides sophisticated features not yet sophisticated features not yet available in MS-Hyper-V that can be available in MS-Hyper-V that can be very valuable in high production very valuable in high production environments.environments.

VMWARE Transparent Page Sharing

VMWARE Balloon Driver

Server virtualization only first Server virtualization only first step.step.

StorageStorage DesktopDesktop MobileMobile AppliancesAppliances Cloud computingCloud computing

A lot happeningA lot happeningright now!right now!

Cloud-based g.ho.st virtual desktop, apps

As newer operating systems and hardware As newer operating systems and hardware supporting virtualization appear, it will supporting virtualization appear, it will become mainstream in every aspect of IT.become mainstream in every aspect of IT.

Already prime consideration in the Data Already prime consideration in the Data Center.Center.

Already an option in Storage.Already an option in Storage.

Strong consideration at the desktop level.Strong consideration at the desktop level.

Active development in the mobileActive development in the mobilearena (e.g. Android Hypervisor arena (e.g. Android Hypervisor already in 1st phone) already in 1st phone)

new approaches for enterprisenew approaches for enterpriseapplication development,access,application development,access, distribution.distribution.

{{ Pierre-Juan Pierre-Juan LabeyrieLabeyrie