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Dell DVS Sourcebook for Windows Server 2012 Page 5 Review 1/22/2013 1.5 – Update 10 User bundle info, formatting fixes Peter Fine

Dell DVS Sourcebook for Windows Server 2012 Page 6 1 Introduction 1.1 Purpose of this document This document describes: 1. Dell DVS Reference Architecture for Windows Server 2012, scaling from 50 to 600 VDI users or 260 -1040 RDSH sessions. 2. A VDI Experience Proof of Concept (POC) Solution , an en...

Dell DVS Sourcebook for Windows Server 2012 Page 7 1.3 Scope Relative to delivering the virtual desktop environment, the objectives of this document are to: ● Define the detailed technical design for the solution. ● Define the hardware requirements to support the design. ● Define the design constrai...

Dell DVS Sourcebook for Windows Server 2012 Page 8 2 Solution Architecture Overview 2.1 Physical Architecture Overview The core architecture design consists of the Local Tier1 solution model. “Tier 1” in the DVS context defines from which disk source the VDI sessions execute. Local Tier1 applies to ...

Dell DVS Sourcebook for Windows Server 2012 Page 9 2.3 Local Tier 1 – Solution Layers Only a single high performance Force10 S55 48-port switch is required to get started in the Network layer. This switch will host all solution traffic consisting of 1Gb iSCSI and LAN sources. Additional switches can...

Dell DVS Sourcebook for Windows Server 2012 Page 10 2.4 Dell DVS 10-Seat Trial Kit To get up and running as quickly as possible with pooled VDI, Dell is offering an extremely affordable solution capable of supporting 10 concurrent users for a minimal investment. This architecture leverages an inexpe...

Dell DVS Sourcebook for Windows Server 2012 Page 11 2.6 Local Tier 1 – Combined As a logical entry point to the distributed RDS solution stack, a combined architecture is offered to host both the RD Virtualization Host (RDVH) and RD Session Host (RDSH) roles within the same physical Compute host whi...

Dell DVS Sourcebook for Windows Server 2012 Page 12 2.7 Local Tier 1 – Base In the base distributed architecture the RDVH or RDSH roles are assigned to a dedicated Compute host. This architecture can support either a single RDVH or RDSH Compute host or one of each. This solution provides maximum Com...

Dell DVS Sourcebook for Windows Server 2012 Page 13 2.7.1 Fully Expanded The fully expanded architecture provides linear upward scale for both the RDVH and RDSH roles optimized for 600 pooled VDI sessions or over 1000 shared. See Appendix for test results. This solution supports up to 4 Compute host...

Dell DVS Sourcebook for Windows Server 2012 Page 14 2.7.2 High Availability High availability (HA) is currently offered to protect all layers of the solution architecture. An additional ToR switch is added to the Network layer and stacked to provide redundancy, additional Compute and Mgmt hosts are ...

Dell DVS Sourcebook for Windows Server 2012 Page 15 2.7.3 Solution Density Summary Design Scale Management Hosts Compute Hosts RDSH Sessions RDVH Sessions HA 10 User POC 0 1 0 10 - 50 User / Pilot 0 1 100 or 50 - Combined 1 1 130 and 75 + 1 Compute +1 Mgmt Base 1 1 260 or 150 + 1 Compute +1 Mgmt Exp...

Dell DVS Sourcebook for Windows Server 2012 Page 16 be layer 2/ switched locally, with all layer 3/ routable VLANs trunked from a core or distribution switch. The following diagrams illustrate the logical data flow in relation to the core switch. 2.8.2 Local Tier 1 Cabling

Dell DVS Sourcebook for Windows Server 2012 Page 17 3 Hardware Components 3.1 Network When developing solutions for a customer it is critical to work with the extended Dell account team to understand the Networking requirements from a holistic perspective. The Dell Networking portfolio is evolving a...

Dell DVS Sourcebook for Windows Server 2012 Page 18 3.1.1 Force10 S55 (ToR Switch) Model Features Options Uses Force10 S55 44 x BaseT (10/100/1000) + 4 x SFP Redundant PSUs ToR switch for LAN and iSCSI in Local Tier 1 solution 4 x 1Gb SFP ports the support copper or fiber 12Gb or 24Gb stacking (up t...

Dell DVS Sourcebook for Windows Server 2012 Page 19 Please reference the following Force10 whitepaper for specifics on stacking best practices and configuration: LINK 3.2 Servers 3.2.1 Local Tier 1 Rack The server platform for the Windows Server 2012 RDS solution is the best-in-class Dell PowerEdge ...

Dell DVS Sourcebook for Windows Server 2012 Page 20 Local Tier 1 Management Host – PowerEdge R720 2 x Intel Xeon E5-2680 Processor (2.7Ghz) 32GB Memory (4 x 8GB DIMMs @ 1600Mhz) Microsoft Windows Server 2012 Hyper-V 2 x 146GB SAS 6Gbps 15k Disks (OS) PERC H710 Integrated 1GB RAID Controller – RAID1 ...

Dell DVS Sourcebook for Windows Server 2012 Page 21 For more information on the Dell Equallogic PS4100E and other networked storage options from Dell, please visit: LINK 3.3.2 EqualLogic Best Practices There are many factors which go into planning successful data storage architecture. The intent of ...

Dell DVS Sourcebook for Windows Server 2012 Page 22 4 Dell Wyse End Points 4.1 Display Choices for Dell Wyse Endpoints 4.2 Dell Wyse R10L The Dell Wyse R10L thin client combines outstanding power and security with display performance and manageability to help maximize your investment in your virtual...

Dell DVS Sourcebook for Windows Server 2012 Page 25 5 Solution Architecture for Microsoft Remote Desktop Services 5.1 5.1 Overview This solution architecture follows a distributed model where solution components exist in layers. The Compute layer is where VDI desktop VMs execute, the Management laye...

Dell DVS Sourcebook for Windows Server 2012 Page 26 5.2 Compute Server Infrastructure The Compute host configuration varies slightly as to whether it will be hosting RDSH or RDVH roles, or both. The RDVH role must be enabled in the Hyper-V parent partition thus providing one RDVH role per Compute ho...

Dell DVS Sourcebook for Windows Server 2012 Page 27 Management role requirements for the base solution are summarized below. Data disks should be used for role-specific application files/ data, logs, IIS web files, etc and should exist in the Management volume on the 4100E array. Please note that th...

Dell DVS Sourcebook for Windows Server 2012 Page 28 5.4.2 Shared Tier 2 Tier 2 is shared iSCSI storage used to host the Management server VMs and user data. The Equallogic 4100 series arrays will be used for smaller scale deployments up to 500 pooled VDI users (Local Tier 1 only). The table below ou...

Dell DVS Sourcebook for Windows Server 2012 Page 29 and AD-integrated namespace. Microsoft best practices and organizational requirements should be adhered to. To plan for eventual scaling, access to components that may live on one or more servers should be considered during initial deployment. The ...

Dell DVS Sourcebook for Windows Server 2012 Page 30 6 Hyper-V Configuration The Local Tier 1 solution will be built upon the Server 2012 Hyper-V hypervisor. All Microsoft best practices and prerequisites should be adhered to (NTP, DNS, Active Directory, etc). Solution Architecture Components Hypervi...

Dell DVS Sourcebook for Windows Server 2012 Page 33 6.3 Solution High Availability Each layer in the solution architecture can be individually protected to prevent an extended service outage. The Network layer only requires an additional switch configured in a stack with the first. Please refer to s...

Dell DVS Sourcebook for Windows Server 2012 Page 35 Volumes Host Size (GB) RAID Storage Array Purpose File System CSV SQL TempDB Data 2 5 50 Tier 2 SQL TempDB Data Disk NTFS Yes SQL TempDB Logs 2 5 50 Tier 2 SQL TempDB Logs Disk NTFS Yes SQL Witness 1 1 50 Tier 2 SQL Witness Disk NTFS Yes Quorum 1 -...

Dell DVS Sourcebook for Windows Server 2012 Page 36 6.4 Application Virtualization Microsoft Application Virtualization (App-V) provides multiple methods to deliver virtualized applications to RDS environments, virtual desktops, physical desktops, connected as well as disconnected clients. App-V can...

Dell DVS Sourcebook for Windows Server 2012 Page 37 6.6 RDS 2012 Data Flow 6.7 Summary The Dell Windows Server 2012 RDS solution provides a robust and scalable VDI platform for pooled, personal and Session host deployments. Using VDI-optimized hardware in a configuration that has been validated and ...

Dell DVS Sourcebook for Windows Server 2012 Page 38 - Dell DVS 10-Seat Trial Kit Appendix A The 10 User POC bundle was purpose-built to provide high performance VDI using a modicum of infrastructure. Only 11 1Gb Ethernet ports are required (1 x server + 10 x end points) which can be provided using e...

Dell DVS Sourcebook for Windows Server 2012 Page 39 Based on the server hardware configuration, 10 users will experience excellent performance with additional resource headroom available in reserve. The consumption numbers below are based on average performance: Task Worker Users CPU (%) RAM (GB Con...

Dell DVS Sourcebook for Windows Server 2012 Page 40 Since the RDCB and Licensing roles will be enabled within the Hyper-V parent partition, only the file server VM requires that specific physical resources be assigned. Role vCPU Startup RAM (GB) Dynamic Memory NIC OS + Data vDisk (GB) Tier 2 Volume ...

Dell DVS Sourcebook for Windows Server 2012 Page 41 Pooled VDI Performance Analysis Appendix B Results Performance analysis of the above architecture was carried out using Login VSI software. Login VSI is a widely used tool to generate workloads that are representative of typical corporate IT users ...

Dell DVS Sourcebook for Windows Server 2012 Page 42 B.2 Task Worker (Basic Workload) The basic workload runs a small number of applications that are representative of applications used by task workers (e.g. call center). The applications are closed immediately after use, resulting in relatively low ...

Dell DVS Sourcebook for Windows Server 2012 Page 43 B.2.3 Memory Resource Utilization Performance Analysis Results The memory graph shown below show available memory during performance analysis. It can be seen that available memory never drops below 75GB, which illustrates that significant memory he...

Dell DVS Sourcebook for Windows Server 2012 Page 44 B.2.4 Disk IO Resource Utilization Performance Analysis Results The Disk IO and latency graphs shown below are illustrative of a VDI environment that is performing to the expected levels for a task worker. The maximum sustained IOPS level reached i...

Dell DVS Sourcebook for Windows Server 2012 Page 45 B.2.6 End-User Experience Performance Analysis Results The Stratusphere UX scatter plot shown below shows all users in the “golden quadrant” that represents good user experience for VDI users; the positioning of users in this graph is determined by...

Dell DVS Sourcebook for Windows Server 2012 Page 46 Reader, Bullzip PDF printer and 7-zip file compression software. Relative to the task worker workload discussed above, idle time is slightly lower as a percentage of overall runtime and a maximum of 5 applications are open simultaneously (compared ...

Dell DVS Sourcebook for Windows Server 2012 Page 48 B.3.5 Network Resource Utilization Performance Analysis Results Network resource utilization in the RDVH environment for a task user scenario was seen to be low. At the Hyper-V hypervisor level, network resource utilization reaches a maximum of app...

Dell DVS Sourcebook for Windows Server 2012 Page 50 Remote Desktop Session Performance Appendix C Analysis Results The performance of the Remote Desktop Session Host (RDSH) environment was analyzed using an identical Login VSI test infrastructure to that described for pooled VDI in Appendix 1 above....

Dell DVS Sourcebook for Windows Server 2012 Page 52 C.2 Task Worker (Basic Workload) C.2.1 Configuration Summary The table shown below summarizes the important configuration information in relation to the task worker RDSH environment. Hyper-V Compute Host RDSH VM1 RDSH VM2 RDSH VM3 RDSH VM4 CPU Reso...

Dell DVS Sourcebook for Windows Server 2012 Page 54 RDSH VM1 21 RDSH VM2 24 RDSH VM3 26 RDSH VM4 25 C.2.4 Disk IO Resource Utilization Performance Analysis Results The graph shown below shows disk IO on the D: partition of the Windows Server 2012 system that hosts the Hyper-V hypervisor (this is the...

Dell DVS Sourcebook for Windows Server 2012 Page 56 C.3 Knowledge Worker (Standard Workload) C.3.1 Configuration Summary The table shown below summarizes the important configuration information in relation to the knowledge worker RDSH environment. Hyper-V Host RDSH VM1 RDSH VM2 RDSH VM3 RDSH VM4 CPU...

Dell DVS Sourcebook for Windows Server 2012 Page 57 VMs; this is a level that represents an ideal combination of maximizing resource utilization while also allowing headroom for spikes in user activity. Sustained CPU at Peak Load (%) RDSH VM1 88 RDSH VM2 88 RDSH VM3 86 RDSH VM4 85 C.3.3 Memory Resou...

Dell DVS Sourcebook for Windows Server 2012 Page 60 Combined RDVH and RDSH on Single Appendix D Host Performance analysis was also carried for a basic workload in a mixed RDSH / RDVH environment. The configuration used and a summary of the results obtained are shown below. D.1 Configuration Summary ...

Dell DVS Sourcebook for Windows Server 2012 Page 61 Rack Server Installation and Setup Appendix E The requirement for this solution is to enable Hyperthreading in the Server Bios; this enables us to have 32 Logical Processors. 1. When the Server is booting select F2 to enter the system setup. 2. Sel...

Dell DVS Sourcebook for Windows Server 2012 Page 72 E.1 Cabling Diagram

Dell DVS Sourcebook for Windows Server 2012 Page 73 Solution Software Configuration Appendix F F.1 Software Inventory This solution is built on Windows Server 2012 and both the Management and Compute Hosts require standard edition licenses (1 per Compute host, 2 per Management host). The Remote Desk...

Dell DVS Sourcebook for Windows Server 2012 Page 78 The Server will reboot once the Role installation has been completed and when the Server is back online you can access Hyper-V Manager from within the tools option on Server Manager as shown in the below diagram. F.3 RDSH Specific Components The Re...

Dell DVS Sourcebook for Windows Server 2012 Page 85 13. Confirm that the configuration for the Roles and select the restart the destination server option to reboot the RDSH VM’s. 14. The RDSH configuration has been completed. F.3.2 OS Configuration The RD Session Hosts will need to have the user sof...

Dell DVS Sourcebook for Windows Server 2012 Page 86 F.3.3 Collection Deployment Once the RDSH Roles have been installed and the Virtual Machines are back online you can now create an RDSH Collection. 1. Open Server Manager and select remote Desktop Services. 2. Select Create Session Collection.

Dell DVS Sourcebook for Windows Server 2012 Page 92 F.4 RDVH Role Installation and Setup The RDVH Role installation and setup is required when implementing Pooled Virtual Desktops on Windows2012 Hyper-V. The configuration requires the Hyper-V Role to be installed on both Management and Compute Host ...

Dell DVS Sourcebook for Windows Server 2012 Page 97 F.5 Gold Image Installation and Setup This section of the document describes the additional steps needed to integrate an already configured Gold Image that has been configured as per configuration workbook. 1. On the Virtual Machine select Action/I...

Dell DVS Sourcebook for Windows Server 2012 Page 107 F.7 Combined RDSH / RDVH The combined RDSH/RDVH Collections will run on the same Compute Host. The Pooled Virtual Desktops and the Remote Desktop Sessions Hosts will reside on the Raid 10 Array. The RDVH collection created in step 5.4 will be used...

Dell DVS Sourcebook for Windows Server 2012 Page 116 F.8 Configuration for High Availability Each layer in the solution architecture can be individually protected to prevent an extended service outage. The Network layer only requires an additional switch configured in a stack with the first. Please ...

Dell DVS Sourcebook for Windows Server 2012 Page 123 7 About the Authors Peter Fine is the Principal Engineering Architect in the Desktop Virtualization Solutions Group at Dell. Peter has extensive experience and expertise on the broader Microsoft solutions software stack as well as in enterprise vi...