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LG stops making Blu-ray players, marking the end of an era — limited units remain while inventory lasts
(www.tomshardware.com)
this post was submitted on 12 Dec 2024
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I guess home users will be without any viable long-term backup media soon. The only ones I can think of are those special blu-ray discs that promise to last for archival. After that we have spinning disks, but those only last a few years and will eventually be phased out, and then all we'll have is flash memory that degrades rapidly. Oh, and paying through the nose for someone's cloud service so they can hold our data to ransom while mining it for AI, and delete it as soon as we miss a bill payment.
Where do people get this information? Hard drives are very stable now (as are SSDs). All of mine are still going strong after 6+ years.
That was true a while back, but yes drives have gotten way better.
That's just failure rate though, not data loss. You need your drives using a sane file system like zfs or using raid 1/10/6 where discs can do error checking as well to prevent silent data loss.
They also need to be powered on. Offline drives will lose data to bit rot over time.
What about btrfs?
ZFS is better.
ZFS is unfortunately not in the upstream Linux Kernel :/
Btrfs is worse in many aspects but I like its flexibility of adding drives with different capacities over time.
How did we get becachefs upstreamed but not ZFS?
Edit: Nevermind, it's licensing related
OpenZFS works just fine.
What about it is better?
The lifetimes have improved, but according to your link, the currently measured average age of a drive at failure is 2 years, 10 months. They expect that to increase as they roll over to newer, more reliable drives. These drives are under heavy use, unlike drives used for offline storage, but still it's not really the kind of lifespan you'd ideally want in an archival medium.