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What do people use for a shelf-stable backup (lemmy.nz)

submitted 3 days ago by Dave@lemmy.nz to c/selfhosted@lemmy.world

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I have backups on a backup hard drive and also synced to B2, but I am thinking about backing up to some format to put in the cupboard.

The issue I see is that if I don't have a catastrophic failure and instead just accidentally delete some files one day while organising and don't realise, at some point the oldest backup state is removed and the files are gone.

The other thing is if I get hit by a bus and no one can work out how to decrypt a backup or whatever.

So I'm thinking of a plain old unencrypted copy of photos etc that anyone could find and use. Bonus points if I can just do a new CD or whatever each year with additions.

I have about 700GB of photos and videos which is the main content I'm concerned about. Do people use DVDs for this or is there something bigger? I am adding 60GB or more each year, would be nice to do one annual addition or something like that.

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[–] Dave@lemmy.nz 4 points 3 days ago (1 children)

As much as I'm worried about family not being able to do it, I'm just as worried that I will do something dumb and lose the encryption key, losing everything. I am keen on the digital equivalent of a suitcase full of photos that could be stumbled upon.

I also already have borg backup set up to a backup drive and synced to the cloud (Backblaze B2).

For tape drives, is many thousands of dollars a normal price? Not sure I'm that keen.

[–] emuspawn@orbiting.observer 3 points 3 days ago (1 children)

If you buy your LTO drive new, then yes they rip you a new one, for sure! Buy it used...but it still will cost you a few hundred. Like I said, if money is not a concern. If losing the encryption key is a concern, then USB is still your best bet. Make two, keep them simple and unencrypted, stick em in two different safes, update them regularly. And print the documentation with pictures!

[–] Dave@lemmy.nz 1 points 3 days ago

I have had terrible experience with USBs failing, including losing a bunch of photos beyond recovery (some 15 years ago, but it still hurts). Plus it's quite aot of data.

I'm thinking a hard drive + USB SATA cable might be my best option. Add the new content each year. Work out some way of verifying it's not corrupted. Replace drive every 5 years or something, it can be swapped in when I get a failure and the new one can be the new backup.