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Part 5: High Availability (HA)

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 […]

Part 3: Disaster Recovery Backup and Restore Media

Part 3: Backup and Restore Media In the last post I touched on a couple popular schedules for backing up data, but I didn’t mention what the data is getting backed up to. I also introduced the 3-2-1 rule for backups, here is a quick  reminder on that rule: There should be three copies of […]