Year: 2013

Certification is not just for Christmas ;-)

Having completed both VMware Advanced VCAP Certifications this year, it’s time for a little bit of reflection on what getting these certifications actually means, whether they’re worthwhile, and if so why. I obviously wouldn’t have done them if I didn’t believe in them, but still…. it’s worth exploring the benefits…and hopefully this might generate some […]

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Managing your Virtual DataCenter – 4 Key Strategies

While recently studying for VMware Advanced Professional Datacenter Design exam, I had the chance to study documents in the VCAP-DCD blueprint. Some of these documents provide insights into effective strategies to use before, during, and after deploying a Virtual Infrastructure. In terms of the “after” piece, one document caught my eye. It is the Glasshouse Whitepaper entitled […]

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Classification and Detection of Zombie Virtual Machines … Which tools should I use?

In this post I want to discuss what makes an Orphan or a Zombie in a VMware environment. I also want to introduce some of my favourite tools for detecting these malodorous fiendish creatures which can wreak havoc within your virtual world. From time to time you might come across Orphaned or Zombie virtual machine […]

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vMSC Explained – Part 2: The Potential Solution

Recap In my last article, I discussed a typical dual-site scenario where storage replication is used to synchronously mirror a volume or LUN object between data centers. The goal is to mitigate the risk of Data Center failure. While it does that in some ways by creating multiple copies of data, the failover process is […]

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vMSC Explained – Part 1: The Challenge

First and foremost, vMSC stands for vSphere Metro Storage Cluster, that is, a vSphere HA/DRS cluster stretched over distance. After attending Duncan Epping & Lee Dilworths presentation at VMworld 2013 on vSphere Metro Storage Clusters (Session BCO4872), it got me thinking about writing this article. The use case for vMSC is pretty clear….to provide VM […]

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VMworld…..What was in it for you ? : Introduction

In this post I’d like to share my recent experience of VMworld at Fira Convention Center in Barcelona. I plan to write three further posts over the coming week with some notes and commentary on what I experienced. First and foremost the logistics and facilities at Fira Convention Centre were excellent – getting around was […]

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