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rekabis ,

If you want longevity and shelf stability, tape drives are the way to go. You can get them in very large capacities, even into the hundreds of TB.

Their benefit is that they have no internal motorized components, they are a lot like VHS videocassettes - two spools with tape. This makes them very shelf-stable, unlike hard drives which can have their spindles seize up over time.

They also have absolutely epic data densities. You could store on one tape the contents of dozens of the largest hard drives currently available.

Their downside is that you need highly specialized hardware to read and record them. And this makes the hardware quite expensive.

So why don’t we use tape drives to store data? Because they store said data linearly - great for writing once, terrible for finding or updating said data - and because they are slow. You want to get to a file 20Tb in? Enjoy scrolling past every single byte up until that point.

But for cold backups, there ain’t nothing better.

nobleshift ,
@nobleshift@lemmy.world avatar

I use HGST and/or WD whenever possible. My off-site drives go into a sealable box with a desiccant that gets replaced every 6 months or so.

evasync OP , (edited )

if its sealed airtight why do you need to replace them every 6 months?

thats a good advice though… to match my paranoia levels I would add a fireproof + faraday box

nobleshift ,
@nobleshift@lemmy.world avatar

Because I live full time off-grid aboard a cruising sailboat. So when i pack things up to ship them for LT storage I want to make damn sure they survive and any trapped moisture won’t mold over on a platter.

Then I just have it changed out as the storage is in Tampa , Florida US and you can’t be too careful.

MalReynolds ,
@MalReynolds@slrpnk.net avatar

More than one copy > ‘longevity’ in the marketing. Drives fail, make allowances. Realistically, it only has to last until you get an even bigger drive in a couple of years.

evasync OP , (edited )

i few drives that I have are 10yod and a couple more 5+…

do modern drives meant to last and be replaced every a couple of years?

I dont mind if a drive fails because ill have dupes… what I want is to minimize the failures.

wd red+ and wd ae make look promising but i dont have an experience with them

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