On Sun, Jan 10, 2021 at 4:54 AM David Woodhouse <dw...@infradead.org> wrote: > > I filed https://bugzilla.redhat.com/show_bug.cgi?id=1914433 > > What I see is that *both* disks of the RAID-1 have data which is > consistent, and does not match the checksum that btrfs expects:
Yeah either use nodatacow (chattr +C) or don't use O_DIRECT until there's a proper fix. > What's the best way to recover the data? I'd say, kernel 5.11's new "mount -o ro,rescue=ignoredatacsums" feature. You can copy it out normally, no special tools. The alternative is 'btrfs restore'. -- Chris Murphy
