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Archive for High Availability Category

Virtualization is Evolving Away

Virtualization cuts across just about all of what you might find in the data center. Clients, servers, applications, storage systems, data networks, and security can all be virtualized to one degree or another. And chief executives are discovering that virtualization has the potential to not only improve the balance sheet, but strengthen competitive advantage and [...] Read More

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Dell / PAN System by Egenera = Utopia

What is a utopian data center? It has always been desired for obvious reasons, but has never really been attainable. Data centers have become overly complex over the last decade due to so many different levels of management to keep up with the growing demand of servers and trying to keep it from getting out [...] Read More

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Provisioning for the new world

In my last couple of posts, I discussed the journey that we are on and how applications will be purchased and deployed going forward. In this post, I’ll discuss how I see systems being provisioned to support these applications. In order to support an environment where applications are purchased as a service, with performance and [...] Read More

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One Point of View

Summer time is great for vacation, especially in the North East where we get about 6 good weeks of weather all year! It’s also a great time to reflect and think about where we as an IT community are heading. I’m going to post a series of blogs on where I think the industry is [...] Read More

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What’s the “N” in N+1 High Availability?

Many virtualization solutions running on distributed systems claim the ability to automatically move an application between processing resources in the case of a hardware or application failure. This eliminates the 1:1 mapping for high availability (for every active server there is a corresponding active/passive server) and therefore creates N+1 high availability. That’s great but what [...] Read More

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