hp client virtualization smb reference architecture for windows server 2012

7/25/2019 HP Client Virtualization SMB Reference Architecture for Windows Server 2012

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Technical white paper

HP Client Virtualization SMB ReferenceArchitecture for Windows Server 2012Affordable, high-performing desktop virtualization on HP ProLiant DL380p Gen8 andWindows Server 2012

Table of contents

Introduction 2

A high-performing, cost-effectivesolution 2

The HP and Microsoft VDI solution 2Server hardware: HP ProLiant DL380p

Gen8 3Endpoint devices: HP Thin Clients 3Solution software: Windows Server2012 4

Fully tested, ready to run 4Performance testing software 4Initial scalability tests 5Recommended reference architecturetests 9

Reference architecture bill of materials 11

Conclusion 12

For more information 12

Call to action 12


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Introduction

Client virtualization used to be considered a solution best suited for large enterprises, but with improvements invirtualization software, the growing popularity of BYOD (bring your own device) plans, and lower overall costs per user,client virtualization has entered the mainstream small and medium-sized business (SMB) market. Many SMBs are nowlooking at client virtualization as a way to meet their employees demands for flexibility while retaining control of thecomputing infrastructure for IT, and are excited about the increased security and efficiency, as well as the potential cost

savings client virtualization can deliver.

With a Virtual Desktop Infrastructure (VDI) client virtualization solution, users desktops run in server-based virtualmachines, making them available remotely over a network. These centralized desktops offer a number of distinctbenefits for SMBs:

Flexible desktop delivery: VDI makes flexible work scenarios for employees possible, including working from home,hot desking (multiple workers using a single physical work station or surface during different t ime periods), andsupporting contractor or offshore information workers.

Increased data security and compliance: A VDI solution keeps data safe in a central location and helps eliminate therisk of laptop data theft. In addition, centralized tracking helps simplify the burden of regulatory compliance.

Easy and efficient management: IT can install desktop operating systems and applications once, instead of having toinstall them on every desktop in the organization. This makes it easier to provision and refresh desktops andapplications rapidly and on demand.

Hewlett-Packard (HP) and Microsoft worked together to design a VDI solution that is ideal for SMBs, as well as regionalor divisional offices of large organizations. Based on the HP ProLiant DL380p Gen8 server, the HP Client VirtualizationSMB Reference Architecture for Windows Server 2012 (HP CV SMB RA for Windows Server 2012) makes it easy to deploya high-performing, affordable virtual desktop solution. And because the design of the HP CV SMB RA for Windows Server2012 leverages the knowledge gained during extensive performance and scalability tests, customers can deploy thesolution with confidence.

A high-performing, cost-effective solution

The HP CV SMB RA for Windows Server 2012 makes it simple to deploy a high-performance virtual desktop solutionwithout a high price tag. The HP CV SMB for Windows Server 2012 offers several key advantages:

Provides leading performance Performance testing, detailed later in this document, confirms that the HP CV SMBRA for Windows Server 2012 can support at least 175 virtual desktops per host server with excellent response time. Inaddition, customers can benefit from performance advancements with HP ProLiant Gen8 servers, ensuring that thesolution can comfortably meet the needs of their organizations.

Makes deployment easy It is easy to set up the HP CV SMB RA for Windows Server 2012 solution on the HP ProLiantserver and configure the desktop images, so virtual desktops can be quickly delivered to users. Because all of thesoftware comes from Microsoft, there is no need to work with a third-party vendor, and licensing costs are kept to aminimum. Customers can start with the sample bill of materials included in the reference architecture, and then tailorthe solution to meet their unique needs.

Includes everything neededWith the HP CV SM B RA for Windows Server 2012, there is no additional infrastructureto deployno need for additional management servers, databases, or storage area networks (SANs), and no need foradditional virtualization or management software. Everything needed to run the VDI VMs is included in the solution.

The HP and Microsoft VDI solution

The HP CV SMB RA for Windows Server 2012 is based on the HP ProLiant DL380p Gen8 Servers, HP Thin Clients, andWindows Server 2012 from Microsoft. The sections that follow describe the hardware and software components of thesolution in more detail.


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Server hardware: HP ProLiant DL380p Gen8

The HP ProLiant DL380p Gen8 server provides a full solution that is modular and scalable for an array of customerneeds. For the HP CV SMB RA for Windows Server 2012, the HP ProLiant DL380p Gen8 server can be configured tosupport several user configurations running a standard medium user workload. A medium user workload representsa knowledge worker completing typical desktop activities such as using email, running productivity applications, andviewing high-definition (HD) video.

The HP ProLiant DL380p Gen8 offers Intel Xeon E5-2600 series processors, up to 768 GB of memory, PCIe expansionslots, two 10 Gigabit network ports, eight small form factor (SFF) drives with an embedded HP Smart Array controller aswell as industry leading HP Integrated Lights-Out 4 (iLO 4) management capabilities.

Endpoint devices: HP Thin Clients

The HP and Microsoft VDI solution can provide virtual desktops to almost any device form factor: thin cl ients, desktopPCs, laptops, tablets, and smartphones. The HP CV SMB RA for Windows Server 2012 was tested with the followingrecommended HP thin clients.

Flexible Series Thin Clients: HP t610 or HP t510 Flexible Series Windows Embedded Standard 7 (WES7) Thin Clients areideal for customers requiring an advanced graphical user experience. Customers selecting the HP t610 over the HP t510will benefit from a more powerful CPU, graphics hardware acceleration, quad-display, internal dual-antenna Wi-Fi, FiberNIC, and PCIe expansion bay options. Customers who purchase the HP t610 typically have a greater mix of remotelyvirtualized apps and locally embedded apps. Both the HP t610 family and the HP t510 come standard with dual coreCPUs and legacy ports for powerful, flexible connectivity to a broad array of peripheral devices. Smart Zero Technologycan also be deployed on the Flexible Series Thin Clients, providing the zero touch experienceat the endpoint device.

For more information, seeHP Flexible Series Thin Clients.

Smart Zero Clients: HP Smart Zero Clients, like the Power Over Ethernet, All-in-One HP t410, offer customers greatvalue by combining zero client manageability with cost-effective hardware and performance. Leveraging HPs SmartZero technology, HP Smart Zero Clients intelligently boot and connect to the HP and Microsoft VDI solution without userinteraction. Upon verification and confirmation of user credentials, users can begin their normal activities.

The Smart Zero technology supports multiple protocols and can be reprogrammed on the fly, delivering a no-compromise, intelligent zero client experience for remote and cloud computing environments. With HP Smart Zerotechnology installed on the virtualization infrastructure, users can be up and running in seconds with no configuration ormanagement required on the device side. Just set up your server, boot the client, and connect. HP Smart Zerotechnology combines the benefits of a zero cl ient with HP auto-sensing technology that automatically connects to thenetwork and searches for the right client virtualization infrastructure and downloads everything it needs to deliver arobust user experience. The user is up and running quickly with no local user interface and just three steps, from log onto productivity.
http://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-3640406.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/flexible-thin-clients&psn=desktops_workstations/desktop_pcshttp://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-3640406.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/flexible-thin-clients&psn=desktops_workstations/desktop_pcshttp://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-3640406.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/flexible-thin-clients&psn=desktops_workstations/desktop_pcshttp://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-3640406.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/flexible-thin-clients&psn=desktops_workstations/desktop_pcs


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For more information, seeHP Smart Zero ClientsandServer-Side Smart Zero Technology Component.

Solution software: Windows Server 2012

The HP and Microsoft VDI solution is powered by Windows Server 2012, and uses Microsofts Remote Desktop Protocol(RDP) to provide the remote desktop or remote application to the user. M icrosoft RemoteFX enables the delivery of arobust Windows user experience across a range of scenarios. In Windows Server 2012, enhancements provide a richer

and more seamless experience on all types of networks and devices.

Windows Server 2012 is an ideal choice for desktop virtualization. It includes everything needed to set up a VDI solution;the connection broker, web access, gateway, and other necessary components are all roles within Windows Server 2012,so there is no additional third-party software to buy. Windows Server 2012 offers many important benefits:

Efficient managementRemote Desktop Services (RDS) in Windows Server 2012 provides a collection of virtualdesktop features that are tightly integrated and can be easily configured and managed by using the new centralizedand unified management console and wizards. Customers can quickly and easily deploy pooled (single, shared mastervirtual machine) or personal (separate virtual machine instance for each user) virtual desktops by using the newscenario-based deployment tools. In addition, customers can automate the process of patching both pooled andpersonal virtual machines while minimizing the impact on resource use and bandwidth.

Best value for virtual desktopsRDS supports various lower-cost storage options, eliminating the need to rely onexpensive SANs. Customers can reduce costs by conveniently storing virtual machine files ( including configuration,virtual hard disk files, and snapshots) in shared folders. In addition, client virtual machine images can be hosted on

server message block shares or Cluster Shared Volumes (CSVs) and cached on direct attached storage (DAS), enablingthe best performance at lower cost.

Rich experience everywhereCustomers can enjoy the benefits of several user-experience enhancements toRemoteFX. These include 3-D graphics and streaming video across local area networks and wide area networks,expanded USB device redirection, a CPU-based graphics accelerator that allows applications running in a virtualmachine to have an accelerated DirectX graphics experience, as well as full support for touch-enabled devices andapplications. With the new User Profile Disk feature, it is possible to store user personalization and application cachedata for pooled virtual machines and sessions, so data is maintained across user logon sessions. In addition, dynamicallocation of CPU, network, and disk I/O are balanced, preventing one user from impacting the performance of otherusers on the same server.

For more information, seeMicrosoft Virtual Desktop Infrastructure.

Fully tested, ready to run

The design of the HP CV SMB RA for Windows Server 2012 is based on extensive scalability testing conducted by a teamfrom Microsoft in Redmond, Washington. The final design was then re-tested to ensure that the reference architecturemeets all Microsoft and HP performance requirements. The sections that follow provide details of the tests.

Performance testing software

The initial scale tests and final reference architecture tests were performed using the Login VSI version 3.6 (V3.6)performance and scalability testing tool to generate desktop workloads and gather data. The tests used the standardmedium user workload profile (equivalent to aknowledge worker), which consists of typical desktop activities such asusing email; running office applications such as word processing, editing spreadsheets, and creating slideshows; andviewing high-definition (HD) video that is running on the host server. The test framework measured and reported theactive (or logged-in) session response time for activities such as opening applications and user interface clicks, as wellas CPU utilization, disk I/O latency, and queue length in pending I/O operations.

For more information, seeLogin VSI.
http://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-5231345.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/smart-zero-clients&psn=desktops_workstations/desktop_pcshttp://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-5231345.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/smart-zero-clients&psn=desktops_workstations/desktop_pcshttp://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-5231345.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/smart-zero-clients&psn=desktops_workstations/desktop_pcshttp://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=5226816&swItem=vc-102856-1&prodNameId=5226817&swEnvOID=4116&swLang=13&taskId=135&mode=3http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=5226816&swItem=vc-102856-1&prodNameId=5226817&swEnvOID=4116&swLang=13&taskId=135&mode=3http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=5226816&swItem=vc-102856-1&prodNameId=5226817&swEnvOID=4116&swLang=13&taskId=135&mode=3http://www.microsoft.com/en-us/windows/enterprise/products-and-technologies/virtualization/vdi.aspxhttp://www.microsoft.com/en-us/windows/enterprise/products-and-technologies/virtualization/vdi.aspxhttp://www.microsoft.com/en-us/windows/enterprise/products-and-technologies/virtualization/vdi.aspxhttp://www.loginvsi.com/http://www.loginvsi.com/http://www.loginvsi.com/http://www.loginvsi.com/http://www.microsoft.com/en-us/windows/enterprise/products-and-technologies/virtualization/vdi.aspxhttp://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=5226816&swItem=vc-102856-1&prodNameId=5226817&swEnvOID=4116&swLang=13&taskId=135&mode=3http://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/12454-12454-321959-338927-5231345.html?dnr=1&jumpid=in_r295_prodexp/busproducts/computing/smart-zero-clients&psn=desktops_workstations/desktop_pcs


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Initial scalability tests

The purpose of the initial scalability tests was to examine the limits of the HP and Microsoft VDI solution, and then toidentify the sweet spot, or maximum number of user logins meeting HP and Microsoft performance requirements asdefined by a CPU utilization of less than 80 percent and login response time of less than 3 seconds. This number of userlogins was then used to design the final reference architecture.

Initial scalability test environmentFor the initial scalability tests, the team tested two variations of target virtual machines: Windows 7 target virtualmachines and Windows 8 target virtual machines. Both variations used Windows 7 client virtual machines and RDP 7.

Table 1 shows a summary of the environment used in the initial scalability tests.

Table 1. Initial scalability test environment summary

Test rig and workloadLogin VSI V3.615 second interval parallel launching

Launcher specifications 8 virtual launchers (2 vCPUs and 8 GB RAM)

User profiles Single user profile was configured across all virtual machines to reduce the impact of IOPS and push thelimit of the processor

SessionResolution 1024x768No connection broker was usedSessions did not use network level authentication (NLA)

Desktop virtualmachines

Windows 7 with Service Pack 1 (SP1), 32-bit, 1 vCPU, dynamic memory (768-1536 MB, 20 percentbuffer), 1 NIC with Windows 8 integration components installed

Windows 8, 32-bit, 1 vCPU, dynamic memory (768-1536 MB, 20 percent buffer), 1 NIC

Table 2 shows the configuration of the VDI host server used in the initial scalability testing.

Table 2. VDI host server specifications

HP ProLiant DL380p Gen8 Server

2 CPUs Intel Xeon E5-2680 @ 2.70 GHz

256 GB RAM

16 GB DDR3 DIMMs

1333 MHz

8 drives

2 x 200 GB SSD SAS, RAID1 (used for operating system and golden image)

6 x 300 GB 15K RPM SAS, RAID5 (used for differential virtual hard disks [VHDX])

4 x1 Gb Ethernet connections (one was used in tests)


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Initial scalability test results

The team from Microsoft tested up to 250 simulated users on a single host. They then identified the number of userlogins at the established limit of 80 percent CPU utilization and 3 second response time, and compared the results tofind the sweet spot to use for the final reference architecture.

The scalability test results were very impressive. The Login VSI limit for the tests running Windows 7 target virtualmachines was reached at 239 users and at 232 users for the tests running Windows 8. The following sections detail theresults of the tests.

Results for tests with Windows 7 desktop virtual machine

The following graphs show the results of the tests that used target virtual machines running Windows 7.

Figure 1 shows the CPU util ization (or percent total run time) along with the number of user logins, over time. At the 80percent CPU utilization limit, there were approximately 180 simulated users logged in to the system.

Figure 1. CPU utilization for tests with Windows 7 target virtual machines

Figure 2 shows the disk I/O latency with the number of user logins, over time.

Figure 2. Disk latency for tests with Windows 7 target virtual machines

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Figure 3 shows the queue length in pending I/O operations with the number of user logins, over time.

Figure 3. Average disk queue length for tests with Windows 7 target virtual machines

Figure 4 shows the response t ime with the number of user logins, over t ime. Note that the test measures and averages

the first few user login sessions to create an initial baseline; in this test, the baseline was 876 milliseconds (ms). Themaximum number of users reached was 239. At the 3 second limit, the number of simulated users reached was 230.

Figure 4. User response time with the number of user logins, over time, for tests with Windows 7 target virtual machines

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Results for Windows 8 desktop virtual machine

The following graphs show the results of the tests that used target virtual machines running Windows 8.

Figure 5 shows the CPU utilization along with the number of user logins over time. As with the Windows 7 tests, at the 80percent CPU utilization limit, there were 175 simulated users logged in to the system.

Figure 5.CPU utilization with Windows 8 target virtual machines

Figure 6 shows the disk I/O latency with the number of user logins, over time.

Figure 6. Disk latency for tests with Windows 8 target virtual machines

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Figure 7 shows the queue length in pending I/O operations with the number of user logins, over time.

Figure 7. Average disk queue length for tests with Windows 8 target virtual machines

Figure 8 shows the user response time with the number of user logins, over time. The baseline response t ime was 845ms, and the maximum number of users reached was 232. At the 3 second limit, the number of users reached was 223.

Figure 8. Login VSI user response time with the number of user logins, over time, for tests with Windows 8 target virtual machines

Recommended reference architecture tests

The results of the initial scalability tests were used to identify the maximum number of user logins meeting HP andMicrosoft performance requirements. This sweet spot was the lower number of user logins that met both CPUutilization and response time requirements: 175 users.

The recommended reference architecture uses two VDI host servers, a single connection broker, Windows 8 desktopvirtual machines, and RDP7. A 350 virtual desktop pooled collection was created with 175 users per host server. Thispool was set to utilize the new User Profile Disk feature in Windows Server 2012, which maintains data across user logonsessions.

NOTE: There are different methods of determining the recommended number of users for a server. Microsoft uses CPUutilization. HP looks at 60-65% of the VSImax value. This creates a recommended range from 155-175 users.

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Reference architecture test environment

Table 3 shows a summary of the environment used in the reference architecture tests.

Table 3. Reference architecture test environment

Test rig and workloadLogin VSI V3.6

5.14 seconds launch interval using parallel launching*

Launcher specifications 8 virtual launchers (2 vCPUs and 8 GB RAM)

User profilesDifferent users were used to connect to different virtual machines, and the user profile was notpreloaded; profile disk was set to 5 GB (dynamic)

SessionResolution 1024x768NLA was used for the sessions; connection broker was fully utilized to route users to thecorresponding virtual machines

Desktop virtual machines Windows 8, 32-bit, 1 vCPU, dynamic memory (768-1536 MB, 20 percent buffer), 1 NIC

* This login rate was derived from the 9:00am logon storm, which assumes that all 350 employees will log on to their virtualmachines within a 30 minute time period at the start of the work day.

Table 4 shows the configuration of the VDI host servers used in reference architecture tests.

Table 4. VDI host server configuration

HP ProLiant DL380p Gen8 Server

2 CPUs Intel Xeon E5-2680 @ 2.70 GHz

256 GB RAM

16 GB DDR3 DIMMs

1333 MHz

8 drives

2 x 200 GB SSD SAS, RAID1 (used for operating system and golden image)

6 x 300 GB 15K RPM SAS, RAID5 (used for differential virtual hard disks [VHDX])

4 x1 Gb Ethernet connections (one was used in tests)

In final reference architecture tests, the user data and profiles resided on a separate file share. Because using the localstorage of the DL380p Gen8 server can affect the space available and the number of supported users, a file share shouldbe used for storing user data and profiles to obtain optimal performance.

Different users were used to connect to different virtual machines and the profile was not preloaded. The remotedesktop connection broker used was located on a virtual machine (4-core, 8 GB RAM).

Moreover, NLA was used for the sessions and the connection broker was fully utilized to route users to thecorresponding virtual machines.


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Reference architecture test results

Figure 9 shows the user response time with the number of user logins, over time, for the recommended reference

architecture. Note that the baseline for the reference architecture was 802 ms.

Figure 9.Login VSI user response time with the number of user logins, over time, for the recommended reference architecture

Reference architecture bill of materials

The reference architecture requires Windows Server 2012 and the hardware listed in Table 5. Note that the table liststhe hardware required to configure a single server. Note also that part numbers are at time of publication and subject tochange. The bill of materials does not include complete support options or other rack and power requirements. Pleaseconsult with your HP product sales representative for more details.

Table 5.Rack and power bill of materials

Qty Part Number Description

1 653200-B21 HP DL380p Gen8 8-SFF CTO Server

1 662228-L21 HP DL380p Gen8 E5-2680 FIO Kit

1 662228-B21 HP DL380p Gen8 E5-2680 Kit

16 647901-B21 HP 16GB 2Rx4 PC3L-10600R-9 Kit

2 653078-B21 HP 200GB 6G SAS SLC 2.5in SC EP SSD

6 652611-B21 HP 300GB 6G SAS 15K 2.5in SC ENT HDD

1 631681-B21 HP 2GB FBWC for P-Series Smart Array

1 684210-B21 HP Ethernet 10GbE 530FLR-SFP+ FIO Adptr

2 656363-B21 HP 750W CS Plat PL Ht Plg Pwr Supply Kit

1 663478-B21 HP 2U SFF BB Rail Gen8 Kit

2 503746-B21 HP NC112T PCI Express Gigabit Server Adapter

Optional if redundant networking is required

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Conclusion

Together with Microsoft software and HP ProLiant DL380p Gen8 servers, the HP CV SMB RA for Windows Server 2012delivers an impressive VDI user density per server along with the many benefits of a traditional enterprise VDI withoutits complexity and startup costa very practical VDI solution for small and medium-sized businesses.

For more information

To read more about HP and client virtualization, seehp.com/go/cv

To read more about Windows Server 2012, seemicrosoft.com/en-us/server-cloud/new.aspx

To help us improve our documents, please provide feedback athp.com/solutions/feedback.

Call to action

Contact your HP representative or HP reseller partner today to engage and discover how you can benefit from this clientvirtualization reference architecture. Achieve greater user mobility, anytime, anywhere access, and efficient user

management all without the cost and complexity of traditional enterprise VDI.

Get connectedhp.com/go/getconnected

Current HP driver, support, and security alertsdelivered directly to your desktop

Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The onlywarranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Not hing hereinshould be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Microsoft and Windows are U.S. registered trademarks of Microsoft Corporation. Intel and Xeon are trademarks of Intel Cor poration in the U.S. andother countries.

4AA4 3901ENW C t d S t b 2012
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