On Wednesday, October 17, 2018 at 4:44:10 PM UTC+1, unman wrote: > On Wed, Oct 17, 2018 at 03:51:57AM -0700, Foppe de Haan wrote: > > (Note that I'm using BTRFS.) > > > > When I try to mount the data volume using a Fedora 29b live image, I get > > "can't read superblock on > > /dev/mapper/luks-5047683c-2a3f-463d-8538-53701743acca." > > > Ah, OK hadn't realised that. > Is there a specific error message - if it was included in that image you > attached can you tell me what it was? > > If there is a specific BTRFS error have you tried repairing the file > system? Look at the manpage for btrfs-check. > There are some dangerous options to try if all else fails: > 'btrfs check --repair' often does what it says. > If that doesn't work or you have a tree error, then you could try 'btrfs > check --init-extent-tree'. I've sometimes doubled on that and recovered > access. ymmv. > (If you have a cloned disk you will feel much happier about trying out > these "dangerous" options, of course.) > > unman
Thank you for the advice. I managed to recover 1 private image, the rest was salvageable, for whatever reason. (Even VMs that hadn't been started for days, so there must've been another issue than the one I mentioned; because if not, the only other conclusion I see is that btrfs is bizarrely fragile.) -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/f3c104b3-4b64-4124-ada2-d6bbad56bc2e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
