Setting Up A Docker Swarm Cluster

Notice Since the 1.12 release of docker, swarm is now built into the docker engine and you should read this tutorial instead. Introduction Docker Swarm is native clustering for Docker which turns multiple Docker hosts into a single virtual Docker host. This tutorial will utilize etcd for the backend…

Read this article

Ubuntu 14.04 - Deploy a Ceph Cluster (Part 1)

Introduction This tutorial is going to show you how to deploy a Ceph cluster. A Ceph cluster can currently provide object or block storage over a network, and will offer a mountable filesystem in future. In layman's terms, this is equivalent to deploying your own Amazon simple storage solution (S3)…

Read this article

Digital Ocean - Check Physical Separation

If you are running a cluster, such as for Ceph or RethinkDB, then chances are that it can gracefully recover as long as the nodes fail at different times. This means that you don't want your nodes to be on the same physical host if they are deployed through "the…

Read this article