Showing posts from September, 2021

Backing Up Data

Sorting out redundancy for physical stuff is easy - you either just get contents insurance or you could buy multiple units of an item and keep the rest of them in self-storage or any other separate location to your usual residence. Data is much different - you can't just buy an insurance policy for the data on your computer, call it day and sleep soundly at night - it requires a bit of creative planning, some legwork, automating as much as you can and diligently following a schedule for the rest. The 3-2-1 Backup Rule A 3-2-1 strategy means having at least three total copies of your data, two of which are local but on different mediums (read: devices), and at least one copy off-site. Well use kitten.jpg as an example for this scenario. Kitten.jpg lives on your computer at home; it was a picture that you took of your cat in 2012. Thats one copy of the data. You also have an external hard drive that you use for backing up your computer; if youre on a Mac, you might be using it as