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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 …

Read More about Checking OpenStack’s Pulse With Pacemaker

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. …

Read More about Sahara, OpenStack’s Answer to the Big Data Question

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 …

Read More about The Irony of OpenStack Ironic, Bare Metal for the Cloud

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 …

Read More about Keeper of the Keystone, Identity Service in OpenStack

OpenStack is a platform that is constantly growing and evolving, thanks in part to the massive amount of involvement in it from the OpenSource community.  There are currently OpenStack releases twice a year, which are closely followed by an OpenStack Summit.  While the summit in Paris earlier this month showcased lots of enhancements which were in the Juno …

Read More about Building the Stack, OpenStack Summit and the Design/Release Cycle

When we talk about our next generation data centers, and how we are going to run them, recently, many of our discussions have turned to policy.  How do we want our applications to be deployed?  What type of service levels do we want them to have?  Which virtual machines or instances should be present on …

Read More about OpenStack Congress, Policy for Your Cloud