I'm wondering what the best way to do offline backups is. I've looked at tape drives and that seems ridiculous to me to pay what it would cost to basically build a new computer for a drive that I'll only ever use in case of an emergency..
Is the best solution to just buy some cheap HDDs and let them sit on a shelf?
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Use DVD-RWs.
For backing up 100s of GBs, if not TBs of data?
I just do raid and rely on data mirroring. Its a no no but inexpensive and better than nothing.
Buy a bunch of HDDs and let them set on a shelf, my guy.
Unless you want to wait for that data engraving tech Israel invented that they used to laser engrave the Torah onto something the size as a mini six-sided die... "Nano Bible".
Are the WD My Books good for this type of thing?
M disc
Not cheap but way cheaper tapes. Besides im not sure how tapes would react to an EMP for example. Mdiscs are safe for hundreds of years as long as you keep it in a scratch free container
Optical media costs more per GB than hard drives.
Just do the math, open up a spreadsheet and put every storage product, you'll see what I'm talking about.
Tape can be cheaper if you find cheap used tapes, but the problem is that you might not find more of that type for cheap in the future, and LTO writers are only compatible one generation back. And there's a new gen coming out every couple years.
Cheapest solution for
Unless you can get a VERY good deal for used tapes plus a writer.
Tapes are cheap as fuck, it's the drive that makes it a big investment