Part 7: Disaster Recovery Locations In the last post I talked about what information is needed to develop a disaster recovery (DR) plan. The plan should include a table of all of the servers and systems that need to be recovered and what order they should be recovered in as well as recovery point objectives […]

Part 6: Disaster Recovery Planning In this post I will address disaster recovery, which is often referred to simply as DR. DR ultimately relies on technologies from all of the components we’ve discussed in this series so far including backup, archive, and HA. Before I dig into disaster recovery, I want to define a related […]

Part 5: High Availability (HA) Let’s start out by defining what high availability is. High availability (HA) refers to systems that are durable and likely to operate continuously, without failure, for extended periods of time. HA implies that parts of a system have been fully tested and, in many cases, the system design incorporates redundant components […]