Monthly Archives: December 2012

Application Sizing: It’s All About Your Assumptions

All of us in  IT  are familiar with the oft-used vendor’s answer, “It depends,” in response to questions about how big and how much when it comes to application and infrastructure sizing.  Of course, the companion questions to that stock answer could be “What are the requirements” and “what are your assumptions?”  And more often […]

Back to Basics: vSphere Sizing For Business-Critical Applications

Following up on my previous post on “vSphere general sizing,” I want to briefly discuss sizing Business-Critical Applications (BCA) for vSphere.  Business-Critical aka. Tier-One Applications are databases, ERP systems, e-mail servers, and other applications that a customer has indicated is critical to the operation of their business and there are numerous benefits to virtualizing BCAs, […]

App Review: UCS Tech Specs For IOS

A quick post on one of the more helpful tools I’ve used this year is the “UCS Tech Specs” app for IOS.  This app is not an official Cisco-developed tool but was created by Vallard Benincosa, a Consulting Systems Engineer at Cisco; you can read about the release of the tool on Vallard’s blog, “Vallard’s […]

Back To Basics: General vSphere Sizing

I’ve been involved in several discussion recently on the topic of vSphere sizing, especially after my recent post on NUMA and its impact on sizing for tier one applications.  I thought it may interesting for me to lay out my own thoughts on vSphere sizing and get feedback from  other folks in the VMware community. […]

Why vFabric EM4J Matters To vSphere Administrators

In my role as a Principal Consulting vArchitect at VCE, I function as an evangelist for solutions on the Vblock.  These solutions focus not only on Infrastructure-as-a-Service, but Platform-as-a-Service as well.  In particular, I have been looking at technologies such as Cisco Intelligent Automation Cloud and VMware’s vFabric Suite. Lately, I’ve been learning more about […]

The Impact Of NUMA On Virtualizing Business Critical Applications

The diagrams and the bulk of the technical content in this post was borrowed, with permission, from Frank Denneman’s blog. Frank is a Senior Architect for VMware’s Technical Marketing Team and an acknowledged expert in vSphere Resource Management. This post is my effort to consolidate the information from his blog on NUMA and to apply […]

Virtualizing Oracle: Licensing And Support Considerations

In the past several years, I’ve had the opportunity to assist many customers with their plans to virtualize their Oracle environments.  In almost every case, I’ve had to address the issues of licensing, performance, and support.  Since performance is a such a large topic of its own, I will address it in multiple future blog […]