Technology


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Ethernet Layer 1 Basics

In order to understand more complex network technologies it is important to have a strong understanding of the basics. So here we are Layer 1 – Ethernet, the most commonly used access medium for LAN network. An Ethernet cable consists…


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Hitachi Metrocluster graceful shutdown procedures

During an event where a shutdown of the Hitachi Metrocluster is neccessary (ie. migration of storage cluster, power outage event where backup power is not available) a graceful shutdown of the Cluster is necessary in order to avoid a Raid…



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Datacenter Capacity Planning

A lot needs to be considered when planning for a datacenter. Power, cooling, UPS, generators, rack space, cost. All these come into play. Here are a few links to some vendor calculators I came across that has helped me. DELL…



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Upgrading an Entrepreneur ASP infrastructure – PART I

Any startup entrepreneurial hosting business usually run into many technical challenges. They face difficult business decisions and often have to trade off between stability, scalability and underlying profit. There is no win/win situation, however I do know one thing –…


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First Post

I find I frequently learn something, somethings that I’ve done once or twice or a dozen times and I eventually forget about it. This is why I’m starting this blog. I want to record down to excruciating detail what I’ve…