Chapter 5. Redundancy
Caution, though often wasted, is a good risk to take. | ||
| --Josh Billings | ||
Redundancy is a safety measure where you install multiple units of all of your critical hardware devices so that if a unit fails the system can continue uninterrupted. Redundancy of two, three, or more times may be used to support the operations of a website including its switches, routers, and other components.
Backup
Server crashes and hard drive failures are inevitable due to equipment failure, lightning, power outages, simple age or defect-related failures, bugs, hackers, viruses, and, of course, human error. The most basic method of saving your data is ...
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