Free is an interesting term to use when we talk about virtualization platforms, especially the industry leading VMware ESXi. As hypervisors have become standard fare in the data center we are starting to see more questions come up about the costs. Microsoft made a decision to take the hypervisor out of the cost equation by …
OpenStack
One of the most challenging tasks one can face is deploying an infrastructure from nothing. When we’re faced with a net new environment, we often don’t have the tools we’re used to, like VMware vCenter, or VMware Auto Deploy. Both of these tools have other dependancies, which require a working infrastructure. Sometimes, the answer may …
High availability is an important aspect of any infrastructure deployment. We’re all familiar with technologies such as VMware’s HA and Microsoft Cluster Server. Pacemaker brings this same functionality to the Linux world. Pacemaker can scale from a two node active/passive cluster to a 16 node active/active cluster. Pacemaker also brings enables you to ensure application …
What is big data anyway? Data is being constantly generated everywhere around us. Think of everything you do throughout the day, and how you interact with digital systems. Perhaps you stop at a coffee shop every morning around 8:05 AM and order an espresso. Or maybe you usually go to the supermarket on Thursday evening. …
One of the projects discussed at the Kilo OpenStack design summit in Paris earlier this month is Ironic. Ironic is a program that seeks to deploy instances directly onto hardware, instead of as virtual machines. When we think of OpenStack, we tend to think of abstracting all the things, and the evolution of the hypervisor …
One of the most important programs inside of OpenStack is Keystone, also know as the identity service. Anthony Chow, one of the contestants from Season 2 of Virtual Design Master and one of the participants of #vDM30in30 has a great writeup of how Keystone works at his blog. Keystone has two main roles inside of OpenStack and they are …