It’s been a while since I had to change the IP address of a cluster. Last when I had to do it, it was very manual, having to edit entries within zookeeper, and various Linux config files. Fast forward to 2022, we now have a script that will do almost everything for you. It works,… Read More »
It is 2022 and I am still quite surprised at the number of people with an incorrect appreciation on why portfast is good for hypervisor hosts. So, a week ago (26-Feb-2022), I posted a poll on LinkedIn, to cast a wider net to see if my observation scales to a greater population. Indeed the common… Read More »
I’ve been thinking of a concise way to describe a design, especially from the angle of the NPX / VCDX design methodology. This is what I have arrived at. IT architecture design is,a collection of Decisions,specified by Requirements,bound by Constraints,gaps filled with validated Assumptions,strengthened by Risk Mitigations. Read it a few times and let that… Read More »
In this post, I’ll share about the considerations and methods relating to migration Virtual Machines or workloads. I will not be covering the technical options in this post, but more about what ought to be considered. For those who have been in the industry long enough, you would have experienced the era where lots of… Read More »
After many years, I’ve bought a new domain and moved this blog to https://vChips.net. Please update your bookmarks!! The old domain still exists, and some re-direction is in place. If you are still seeing vchips.imutroom.com, please replace the FQDN with vchips.net.
Any sort of deployment should not only consider the immediate needs, but also an potential future requirements. How many times have we been in the “I wished I knew this before” or “I didn’t realise it back then” situations. We can plan as much as we can, but sometimes the most minute details can escape… Read More »
This post are for the system administrators who are less familiar with Networking terms, particularly describing the nature of the ports. Access Port Trunk Port Hybrid Port These terms are not used on the system side, so unless you have done some networking training/read up on this, you may not know what they really mean,… Read More »
This post focuses on the different aspects to be aware of to deploy a Nutanix Cluster. There are other considerations when we zoom out to look at large scale deployments, such as for Cloud Infrastructure transformation from traditional 3 tier storage deployments to Hyper-converged Infrastructure, but that will be another post for another day. Nutanix… Read More »
I have been asked recently, why the numbers for total Storage capacity seen in vCenter Server not match reality? Specifically the numbers for Free and Capacity are much more than there really is. Allow me to attempt to help explain this. The short answer to this is because vCenter Server and ESXi, natively do not… Read More »
This is a common scenario that comes up when discussing resilient network design and implementation between servers and switches. For this we need to have the system and network folks together in the room. More often than not, especially in large organisations, these folks are experts within their domain, but little cross domain knowledge. I’m… Read More »