On 30/07/2019 23:44, Swâmi Petaramesh wrote: > Still, losing a given FS with subvols, snapshots etc, may be very > annoying and very time consuming rebuilding.
I believe that in one of the earlier mails, Qu said that you can probably mount the corrupted fs readonly and read everything. If that is the case then, if I were in your position, I would probably buy another disk, create a a new fs, and then use one of the subvol preserving btrfs clone utilities to clone the readonly disk onto the new disk. Not cheap, and would still take some time, but at least it could be automated.
