TABLE OF CONTENTS 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.
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 to backup. All backup solutions have one thing in common they involve copying data from your hard drive(s) to a second media, from which you can restore your data in the event that your hard drive(s) or your server fails.
If you create and maintain your own website, keep local and up-to-date backups of all files. At a minimum, a daily backup should be made of all the data on your server, so that if the data is erased or modified in error, much of it can be restored. Backup should be a ritual and scripted so it becomes a part of your daily routine.
Institute a backup plan that allows you to get your website up and running in seconds. Meeting your website s backup needs requires:
A secure place to keep your backed-up files that is accessible at all times.
A combination of software and...
