We just lost 3TB of data on a SanDisk Extreme SSD

floofloof@lemmy.ca to Technology@beehaw.org – 161 points –
We just lost 3TB of data on a SanDisk Extreme SSD
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Anything I have that is super important is just uploaded to a server with backups turned on. Becomes 100%, not my problem anymore.

Until the backups don’t work.

Untested backups can hold all sorts of surprises.

Sadly, testing backups is a lot of work and is rarely done.

Deja Dup has a nice feature in that every once in a while is spawns and verifies that the backup is retrievable

Retrievable is a start, at least.

Sorry, I should have said verified. it reads through the backup and checks data integrity/checksums etc. so you know it can be retrieved properly.

Testing a back isn't that hard, I typically test backups through digital ocean. They worked great.

Not your problem... until the hosting provider publishes a press release about some recent fire or flooding in the data center that "only impacted less than 1% of our customers"... and you turn out to be among them.

For "super important" stuff, I keep closer to 10 copies spread around in different places. Normal stuff is 321, and everything else is temporary.

eh, I've never hit that issue but I also have a copy of everything locally.

I have. Both server and backup lost, and all I got was a complimentary 1 free month. Not a fun time uploading everything again from the single local copy.

Now something similar is going on with Google for Business, where they've switched from "unlimited storage" to "actually, $300/10TB/month". Like that's going to happen (there are $100/100TB/month bare metal out there), but now I have to decide what to delete, what to keep, and what to downgrade from 321, to "temporary" single copy.