this post was submitted on 08 Feb 2025
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What do people use for a shelf-stable backup (lemmy.nz)
submitted 1 year 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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[–] catloaf@lemm.ee 8 points 1 year ago* (last edited 1 year ago) (2 children)

Tape. Amazon glacier if you're okay with that.

And regular test restores. An untested backup is not a backup.

But when considering what I need to back up, I usually overestimate how much I or other people will care if it's lost. Family photos are great, but what are the odds of someone saying "damn I wish we still had two dozen photos of that one barbecue?"

[–] scrubbles@poptalk.scrubbles.tech 5 points 1 year ago (2 children)

I use tape but haven't been happy with my drive for a while, where do you get your drives? (Also OP I wouldn't recommend tape until you cross the 10TB mark personally)

[–] Dave@lemmy.nz 4 points 1 year ago

Yeah after looking at the price of a drive, I agree it doesn't seem necessary at the level of data I have.

[–] catloaf@lemm.ee 2 points 1 year ago

I don't personally use tape, but I get most of my stuff from eBay. Tape drives are surprising expensive, even LTO-6 is going to run you a few hundred. But you still can't beat the density and longevity.

[–] Dave@lemmy.nz 1 points 1 year ago* (last edited 1 year ago)

I have cloud with B2, I'm looking for cupboard storage that a random family member can pull out and browse through after I get put in a resthome (only half joking).

Is home tape storage feasible (and good for this use-case)?

In terms of what to backup, I'm running on the assumption that technology will be able to autofilter the good stuff at some point, no need to put much effort in now haha.