On Mon, Jun 3, 2024 at 4:43 PM Philip Rhoades via users < users@lists.fedoraproject.org> wrote:
> People, > > A while ago I was in a hurry to start using F40 (Sway) and installed > Rawhide from a live usb to get started. > > Everything went pretty well and I had minimal problems up until after > f40 was release. However now, when I tried to do a: > > dnf system upgrade download --releasever=40 > > I get a lot of errors - trying to do "dnf --erase" the problem rpms ends > up making the problem worse. > You need to tell us what errors you encounter. Are they filesystem problems, package conflicts, etc.? > > So, if I try to reinstall from the current f40 live usb - can I do that > without touching the backup subvolume? ie: > > /dev/nvme0n1p3 btrfs 1,951,850,496 464,659,184 1,486,438,224 > 24% / > /dev/nvme0n1p3 btrfs 1,951,850,496 464,659,184 1,486,438,224 > 24% /backup > > Unlike earlier filesystems, btrfs doesn't silently ignore bitrot. Corrupt btrfs filesystems are often a result of hardware faults. For decades I have just been using a separate partition for /home with > ext[2|3|4] and this was conveniently not touched if I did a custom > install to upgrade - I want to do something similar for this backup > subvolume. > I would never consider a btrfs subvolume a suitable location for a backup. The btrfs snapshots provide a way to go back in time after data are lost due to a software glitch or command-line typo. Using a subvolume, when the drive fails, both the original and backups may be lost. If a drive is close to failure, a linux install often pushes it over the edge (due to amount of activity), so I like to make sure backups are good before an upgrade or install. -- George N. White III
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