> Though I'd really need 2 drives - one replacement, and a mirror. Yea, with just a single drive it's not really a backup is it? > If I copy some files with z

> Though I'd really need 2 drives - one replacement, and a mirror. Yea, with just a single drive it's not really a backup is it? > If I copy some files with zfs to another drive, I'd also like to check that there wasn't an error in the copying process. That's what rsync is for. > I wouldn't mind buying a mirror set a year or two ago, but storage is so expensive now. Prices went up, yes but not that much to be fair. And I think it mostly affected M2 disks. Here's my very limited notes on HDD prices. In 21 october 2023, a 22 TB disk cost me 0.37 SEK per gigabyte. In 28 may 2026, a 26 TB disk cost me 0.36 SEK per gigabyte. Both were WD red disks.