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Vmware vExpert 2010

My vSphere Environment

CPU: 10,688 MHz
RAM: 8,186 MB
Storage: 122 GB


ESX Hosts: 2
Resource Pools: 3
Virtual Machines: 2


VMotions: 0
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Cisco Live 2010 : It’s all about the Milk & Cookies

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Watching John Chambers, CEO of Cisco, give the keynote presentation today at Cisco Live 2010 I was struck by two important things:

The focus on changing the way the consumer / business users utilizes technology The strong emphasis on the demand for a new model for business operations.

Both of these appear on the surface to be great marketing statements. But, what makes these different is the timing with the evolution of technology today.

I think the value proposition of the video on every business/consumer device is obvious. I know the Cisco Cius brings the capability to change the way interactions occur and collaberation begins. But, what affected me most was a simple statement that Mr. Chambers made:

“Today, change starts from the consumer and moves to the datacenter”

It just clicked for me [...]

Continue reading Cisco Live 2010 : It’s all about the Milk & Cookies

EMC Certification : My Experience

EMCPA

Yesterday I officially passed my first EMC certification test. I am now a full fledged EMCPA! So I know, this isn’t the highest-level and I am not going to impress the ladies down at the civic center. But, this is the first *storage* certificate for me and I am happier than a tornado in a trailer park.

I am working towards the Technical Architect track and so this test (E20-001) was the first step. I went through the Web Classroom training which was good. But the real secret is studying the ISM book (Amazon link).

I really enjoyed the material on fibre-channel protocol and the in-depth work calculating IOPs/capacity. I ended up making a huge Excel spreadsheet so I could play with the formulas.

The test was challenging. Some of the questions were not in the book or Web [...]

Continue reading EMC Certification : My Experience

Look I'm A Tool! : vSphere Session Monitor 1.0

So that is a few hours of my life dedicated to seeing how easy it is to utilize the VMware vSphere Web SDK. And from a datacenter guy I can definitely say that the documentation, community (thanks @sjin2008), and SDK made this a pretty easy task. I highly recommend everyone take your cool tool ideas and try something out too. [...]

Continue reading Look I’m A Tool! : vSphere Session Monitor 1.0

Virtualization & Abstraction : The New Paradigm

This post is inspired by this outstanding post by Chuck Hollis (@chuckhollis) and this one by Chad Sakac (@sakacc).

Chuck mentions my favorite way to summarize what virtualization encompasses: “abstracts logical from physical”. What makes abstraction critical is that it breaks historical dependencies that develop as technologies are built over time. I have said this phrase hundreds of times over the last four years of my career and in my mind it translates into an incredible paradigm shift in data center approach over the next ten years.

A good example of this is the push to service-oriented architecture design principles in the enterprise application space over the last decade. The whole gist was to enable business functionality to achieve Virtualization & Abstraction : The New Paradigm

Optimization vs. Scaling: How virtualization affects the scorecard

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Many times I have seen situations where an application or process grows incrementally to a point where it is no longer able to meet it’s SLAs (whether official or imaginary). The cause of this can vary but is usually:

Overworked/Unbalanced teams -  Too much effort dedicated to new feature-add and not enough to technical debt Poorly planned systems – Designs for immediate need without taking into account needs for things like instantiation or scaling of decoupled components. Poor maintenance/understanding – Lack of knowledge or effort to tune application/process to more effectively use resources. This can exist in both the application and infrastructure groups.

Usually the performance degradation is known early on but accepted because the business users are not making a big enough stink; or at least not big enough to reduce the drive for new features. In addition, lack of monitoring [...]

Continue reading Optimization vs. Scaling: How virtualization affects the scorecard

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