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the other for the RAID 10 data partition(s).

Utilize the best practices from your storage vendor to distribute the RAID 10 mirrors and stripes across the multiple channels for maximum performance.

Note

This section addressed storage system considerations and recommendations. The next section addresses server considerations such as processors, RAM, and I/O.

HOST SERVER ARCHITECTURE

The host server architecture is a critical component of the virtualized infrastructure, as well as a key variable in the consolidation ratio and cost analysis. The ability of the host server to handle the workload of a large number of consolidation candidates increases the consolidation ratio and helps provide the desired cost benefit.

The ―sweet spot‖ is typically in the two- to four-socket servers running the highest or second highest CPU speed with multi-core processors.

Note

There are programs available for assisting customers in selecting hardware, but they do not address sizing or configuration of that hardware: Windows Server Catalog contains all servers, storage, and other hardware devices that are certified for Windows Server 2008 R2 and Hyper-V.

Windows Server Catalog:

Go to www.windowsservercatalog.com.

  • Click Certified Servers.

  • Then click Hyper-V (bottom-left).

System Architecture The system architecture of the host server refers to the general category of the

server hardware itself. Examples include rack mounted servers, blade servers, and large symmetric multiprocessor servers (SMP). The primary tenet to consider when selecting system architectures is that each Virtual Server host will contain multiple guests with multiple workloads. Processor, RAM, Storage, and Network capacity are critical, as well as high I/O and low latency. It is critical to ensure that the host server is able to provide the required capacity in each of these

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