On 12/24/18 2:00 AM, Qu Wenruo wrote: > I'd recommend to use "btrfs check -r 1113911951360" to verify if it's > only superblock generation corrupted. (cancelled "btrfs-image -ss -c9 -t4 -w /dev/sdd2 /mnt/backup/btrfs_issue_dec_2018/btrfs_root_image_error_with_w_20181224.img" as it said it was generating garbage). OK, running the command: bash-4.3# btrfs check -r 1113911951360 /dev/sdd2 Opening filesystem to check... parent transid verify failed on 1113911951360 wanted 7937947 found 7937937 parent transid verify failed on 1113911951360 wanted 7937947 found 7937937 Ignoring transid failure parent transid verify failed on 1113906003968 wanted 7937933 found 7937942 parent transid verify failed on 1113906003968 wanted 7937933 found 7937942 Ignoring transid failure ERROR: cannot open file system bash-4.3# Not a dev so don't know what that means, but I'm assuming it is not good. Pete
