VMware vMotion Performance on the Dell PowerEdge 1955 Blade Server (185 KB)
By Dave Jaffe, Todd Muirhead, and Balasubramanian Chandrasekaran
To demonstrate the power of running VMware® Infrastructure 3 virtualization software on Dell™ PowerEdge™ 1955 blade servers, a test was run to quantify the impact of VMware vMotion™ live migrations on virtual machine (VM) performance. It was found that even very rapid rates of vMotion migrations, far beyond what would be expected in typical vMotion scenarios utilizing VMware High Availability (VMware HA) or Distributed Resource Scheduler features, have negligible impact on VM application performance.

Power Comparison of Dell PowerEdge 2950 Using Intel X5355 and E5345 Quad-Core Xeon Processors (60 KB)
By Scott Hanson and Todd Muirhead
This paper compares the performance of the Dell PowerEdge 2950 using two different quad-core Intel® Xeon® processors that consume different amounts of power. Results will show that the Intel® Xeon® E5300 family of processors can approach the performance of the X5300 series of processors while realizing a power savings of approximately 15 percent.

Performance Scaling with Quad-Core Dell PowerEdge 2950 Servers and VMware Virtual Infrastructure 3
By Todd Muirhead
To assess virtualization scalability and performance, Dell engineers tested two Dell PowerEdge 2950 servers with dual-core Intel Xeon 5160 and quad-core Intel Xeon X5355 processors alongside a previous-generation PowerEdge 2850 server with dual-core Intel Xeon processors in a virtualized environment based on VMware Virtual Infrastructure 3. The results show that the PowerEdge 2950 servers can provide enhanced performance and host more VMs than the PowerEdge 2850.

Scalable Enterprise Implementation Study: How Dell IT Uses Virtualization to Enable Test and Development
By Todd Muirhead; Rick Merino; Dave Jaffe, Ph.D.; and Jon Mercado
The Dell IT group uses a server farm running virtualization software to provide more than 1,000 test and development environments on fewer than 100 physical servers. This farm enables Dell IT to manage the test and development environments with a small team of administrators, allowing engineers and developers to focus on a wide range of internal projects and minimize time spent setting up test environments.

VMware ESX Server Performance on Dual-Core Dell PowerEdge 2850 Servers
By Todd Muirhead and Dave Jaffe
Dell PowerEdge server models can be equipped with dual-core Intel Xeon processors. Dell engineers tested the Dell PowerEdge 2850 server with both single-core and dual-core processors, and the results showed a 28 to 51 percent performance gain when moving from single-core to dual-core processors.

VMware vMotion Performance on the Dell PowerEdge 1855 Blade Server
By Dave Jaffe, Balasubramanian Chandrasekaran, and Todd Muirhead
To demonstrate the power of running VMware ESX Server on Dell PowerEdge 1855 blade servers, a test was run to quantify the impact of sharing the production and vMotion networks on VM performance. It was found that even very frequent vMotion usage, far beyond what would be expected in typical vMotion scenarios, has negligible impact on performance.

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