Dawie Human Infrastructure Architect Inobits Consulting VIR202

Session Objectives and Takeaways Session Objective: Understand the design and operational issues specific to running SharePoint in a virtualized environment Learn basic tuning tips for using SharePoint on Hyper-V

Agenda Understanding differences between physical hardware and Hyper-V Optimizations for running SharePoint on Hyper-V Performance comparison of Hyper-V vs. physical hardware Understanding SharePoint roles in a virtualized environment Managing your virtualized environment

Understanding Differences Between Physical Hardware and Hyper-V There are differences between physical hardware and the virtual implementation of that hardware in a Hyper-V image. Many of these differences are subtle and not obvious at first blush when configuring a Hyper-V image. This section will attempt to highlight some of the important differences and explain how that impacts your virtual image design.

NUMA Nodes What are they and why do we care? Processors, logical processors and cores Synthetic devices Provide better performance, you should always target using a device you can access with a synthetic driver There is no real apples to apples comparison Understanding Differences Between Physical Hardware and Hyper-V

There are a number of configuration changes to be considered when building your Hyper-V environment. If you just go with the out-of-the-box configuration, you will likely see a significant drop in throughput compared to similar physical hardware. This section will offer some specific changes to make and the reasons why they are important. Optimizations for Running SharePoint on Hyper-V

Memory Integration Components (IC) Enlightenments Synthetic drivers Guest OS Win2K3 Win2K8 Optimizations for Running SharePoint on Hyper-V

IPv4 Host roles Make the right disk choice Do not over-utilize the Host Completely virtualized environment may benefit from isolated network Private for back channel, external for web traffic Microsoft Assessment and Planning Toolkit (MAP) – Optimizations for Running SharePoint on Hyper-V (cont.)

In this section we will look at some specific data to compare the differences between SharePoint running on physical hardware versus on Hyper-V. We will also try some testing with some of the different Hyper-V configuration changes to see what impact it has on overall throughput. Performance comparison of Hyper-V vs. Physical Hardware

Single server farm Medium farm Medium farm with both images on same host versus single server and medium farm on physical servers Live tests and perfmon counters For an exhaustive list read Tony Voellm’s blog at There are four posts in total, all in May Performance Comparison of Hyper-V vs. Physical Hardware

What should you monitor Overall health: Hyper-V Virtual Machine Health Summary Hyper-V Hypervisor Counter Set Processor: Hyper-V Hypervisor Logical Processor Hyper-V Hypervisor Root Virtual Processor Hyper-V Hypervisor Virtual Processor

What should you monitor (2) Memory: Hyper-V Root Partition Hyper-V VM Vid Partition Networking: Hyper-V Virtual Switch Hyper-V Legacy Network Adapter Hyper-V Virtual Network Adapter

What should you monitor (3) Storage: Physical Disk Current Disk Queue Length – 2 per physical drive Disk Bytes / Sec – 10 MB/sec per drive Disk Transfers / Sec – 100 IOs per sec / drive Hyper-V Virtual Storage Device Read Bytes / Sec Hyper-V Virtual IDE Controller Read Bytes / Sec Write Bytes / Sec

Bigger number is better (HV -7.2%)Smaller number is better (HV -4.4%) Performance Comparison – Single Server Farm

Bigger number is better (HV -11.6%)Smaller number is better (HV -13.9%) Performance Comparison – Medium Farm

Bigger number is betterSmaller number is better Performance Comparison – Medium Farm, Different Host Configurations

SharePoint and Hyper-V

There are different roles in a SharePoint server farm, but not every one of them is an ideal candidate for virtualization. Some roles are not even specific to SharePoint and so are not likely to be tested in a manner specific to use with SharePoint. This section breaks down the different roles and their suitability for virtualization. Understanding SharePoint Roles in a Virtualized Environment

WFE Application servers like Excel Services we are generally lumping in this category for now Query Index Not tested, but pass-through disks are of interest SQL For now, deferring to guidance from SQL team All Roles Snapshots not currently supported, may change in future Understanding SharePoint Roles in a Virtualized Environment

Managing Your Virtualized Environment Now that you have established a virtualized environment, you will need tools and processes to manage that environment as servers are added or changed, new roles are considered for virtualization, etc.

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Related Content Breakout Sessions OFC202 Microsoft Office Sharepoint Server 2007: Overview and Roadmap to 2010 WTB233 Microsoft Virtualisation – Desktop to data Centre

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