[root@TYOMIX tyomix]# btrfs restore -D /dev/sda3 /dev/null checksum verify failed on 1048576 found E4E3BDB6 wanted 00000000 checksum verify failed on 1048576 found E4E3BDB6 wanted 00000000 bad tree block 1048576, bytenr mismatch, want=1048576, have=0 ERROR: cannot read chunk root Could not open root, trying backup super checksum verify failed on 1048576 found E4E3BDB6 wanted 00000000 checksum verify failed on 1048576 found E4E3BDB6 wanted 00000000 bad tree block 1048576, bytenr mismatch, want=1048576, have=0 ERROR: cannot read chunk root Could not open root, trying backup super ERROR: superblock bytenr 274877906944 is larger than device size 243400704000 Could not open root, trying backup super [root@TYOMIX tyomix]#
Jun 22, 2019, 1:46 AM by tyo...@tuta.io: > [root@TYOMIX tyomix]# mount -t btrfs -o ro,recovery /dev/sda3 /mnt > mount: /mnt: wrong fs type, bad option, bad superblock on /dev/sda3, missing > codepage or helper program, or other error. > [root@TYOMIX tyomix]# mount -t btrfs -o ro,usebackuproot /dev/sda3 /mnt > mount: /mnt: wrong fs type, bad option, bad superblock on /dev/sda3, missing > codepage or helper program, or other error. > [root@TYOMIX tyomix]# btrfs check /dev/sda3 > Opening filesystem to check... > checksum verify failed on 1048576 found E4E3BDB6 wanted 00000000 > checksum verify failed on 1048576 found E4E3BDB6 wanted 00000000 > bad tree block 1048576, bytenr mismatch, want=1048576, have=0 > ERROR: cannot read chunk root > ERROR: cannot open file system > [root@TYOMIX tyomix]# uname -a > Linux TYOMIX 5.1.9-arch1-1-ARCH #1 SMP PREEMPT Tue Jun 11 16:18:09 UTC 2019 > x86_64 GNU/Linux > [root@TYOMIX tyomix]# btrfs --version > btrfs-progs v5.1 > [root@TYOMIX tyomix]# btrfs fi show > Label: 'Extra' uuid: 23a08cb0-5289-407f-a1c3-192709bb9476 > Total devices 1 FS bytes used 96.19GiB > devid 1 size 107.42GiB used 99.02GiB path /dev/sdc1 > > Label: 'Data' uuid: 2bff7854-bbe0-4368-bf46-8f191805d9ca > Total devices 1 FS bytes used 171.19GiB > devid 1 size 226.68GiB used 223.01GiB path /dev/sda3 > > >
