Note: this was done more as an experiment than for something I intended to use in production – so consider it to be more a compilation of notes than a full out procedure. DRBD – Distributed Replicated Block Device – … Continue reading
One of the appeals of cloud computing is the idea of using what you need when you need. One of the ways that Amazon provides for this is through autoscaling. In essence, this allows you to vary the number of … Continue reading
The notes for this have been sitting on my computer for almost 6 months, but a comment from today spurred me onto editing, updating, and posting them. Corosync is a messaging layer used for high-availability. It serves essentially the same … Continue reading
I am currently working on setting up a small high availability server cluster on Amazon’s EC2 cloud. Such a setup requires several underlying technologies to work together. Common among these are a distributed file system, a load balancer, and some … Continue reading