Tag Archives: ubuntu

OpenStack High Availability – First Compute Node

In this article, we’ll build our first OpenStack Icehouse compute node that uses the high availability controller stack that we built in the last few articles. This same process can be used to build additional compute nodes. We’ll build an Ubuntu 14.04 LTS server for our compute node: icehouse-compute1 (192.168.1.45) This server will require two… Read More »

Redundant Load Balancers – HAProxy and Keepalived

In this article, we’ll build a pair of HAProxy load balancers running on Ubuntu 14.04 LTS, and use keepalived to provide failover of our virtual IP address(es).  This article is part of our series on building a highly available OpenStack controller stack, but it can also be used on its own.  We’ll install the services… Read More »

OpenStack – I need how many NICs?

I’m currently working on an OpenStack deployment.  Looking at the documentation and the various deployment scenarios, each host appears to require at least two if not three or four network interface cards, depending on the OpenStack services running on that particular host.  For me, and I suspect for a lot of enterprises, this just isn’t… Read More »