I finally passed the CCIE Data Center Lab Exam on Tuesday, May 20, 2014. It was daunting to do the lab again especially since my first try was quite a while ago, and my attempts since then seemed to be ” so close, but no cigar. 🙁 ” However, I was successful this time due to a few things that I changed in my approach… Continue reading “My CCIE Data Center Lab Exam Experience, Part 2”
Earlier this year, I switched from TextMate to Sublime Text as my primary text editor, and it has been a great experience. With GitHub releasing their own editor, Atom.io, as an Open-Source project, I was intrigued to see it action. Continue reading “Working with GitHub’s Atom Editor”
Designing high availability for “cloudy” applications like an Apache web server is a fairly trivial task on OpenStack thanks to features like Load-Balancer as a Service (LBaaS). However, the same is not necessarily true for traditional enterprise workloads like a Microsoft Windows Server Cluster. There are multiple challenges to address including shared block storage and Virtual IP addresses (VIPs) for your cluster.
My project didn’t require shared block storage for my cluster. So, the major concern to address was the Cluster VIP: Enter Neutron Allowed Address Pairs! Continue reading “OpenStack your Windows Cluster with Neutron Allowed Address Pairs”