this post was submitted on 27 Nov 2023
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For any really important data, you should always have at least 3 copies. 1) Your working copy on your computer. 2) A local backup which could be an external hard drive, a NAS, another computer, or whatever. 3) An off-site backup. That could be a cloud service, a computer at a friend's or family member's house, an external hard drive in a safety deposit box, etc. The off-site backup is in case your house burns down or is robbed.
If it's REALLY important, you may have even more than that. There's also the issue of how often do you update the backups. A hard drive in a safety deposit box is hard to update compared to uploading to Google Drive which can be automatic, but the hard drive in the safety deposit box is more secure. So you have to weigh your pros and cons.
Can you give me an example of what really important data could look like?
Genuine question, I don’t work in IT or work with computers very often. I’m tech literate, but the most important thing I really have is my resume and even then I can redo it if I lost it.
For most people it will be things like tax documents, medical receipts (assuming you are in a country where that's important), photos of kids' life milestones, photos of family members who have passed away, copies of leases, receipts for large purchases for insurance purposes if your house burns down. Things like that. Also, if you do freelance work like web design, photography, video editing, writing, music production, game design, research, etc, you want to make sure that stuff is backed up.