Btrfs restore session transcript

# ./btrfs restore -t 763420672 /dev/mapper/sda6_crypt /media/mint/usb_data/sda6_btrfs_restore_t_763420672/

Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=7222353813307377896
Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=10446918091381484860
read block failed check_tree_block
Couldn't setup extent tree
Check tree block failed, want=754847744, have=12211084221667389932
Check tree block failed, want=754847744, have=12211084221667389932
Check tree block failed, want=754847744, have=5377615513312004124
Check tree block failed, want=754847744, have=5377615513312004124
Check tree block failed, want=754847744, have=5377615513312004124
read block failed check_tree_block
Couldn't setup csum tree
Check tree block failed, want=760504320, have=15344708322078940264
Check tree block failed, want=760504320, have=15344708322078940264
Check tree block failed, want=760504320, have=1263411366756232687
Check tree block failed, want=760504320, have=1263411366756232687
Check tree block failed, want=760504320, have=1263411366756232687
read block failed check_tree_block
Couldn't setup log root tree
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=17306652534702486161
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=18403774803278719427
read block failed check_tree_block
Error reading subvolume /media/mint/usb_data/sda6_btrfs_restore_t_763420672/@home: 18446744073709551611

# ./btrfs restore -i -t 763420672 /dev/mapper/sda6_crypt /media/mint/usb_data/sda6_btrfs_restore_t_763420672/

Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=7222353813307377896
Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=10446918091381484860
read block failed check_tree_block
Couldn't setup extent tree
Check tree block failed, want=754847744, have=12211084221667389932
Check tree block failed, want=754847744, have=12211084221667389932
Check tree block failed, want=754847744, have=5377615513312004124
Check tree block failed, want=754847744, have=5377615513312004124
Check tree block failed, want=754847744, have=5377615513312004124
read block failed check_tree_block
Couldn't setup csum tree
Check tree block failed, want=760504320, have=15344708322078940264
Check tree block failed, want=760504320, have=15344708322078940264
Check tree block failed, want=760504320, have=1263411366756232687
Check tree block failed, want=760504320, have=1263411366756232687
Check tree block failed, want=760504320, have=1263411366756232687
read block failed check_tree_block
Couldn't setup log root tree
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=17306652534702486161
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=18403774803278719427
read block failed check_tree_block
Error reading subvolume /media/mint/usb_data/sda6_btrfs_restore_t_763420672/@home: 18446744073709551611
Check tree block failed, want=756572160, have=6711487709046970189
Check tree block failed, want=756572160, have=6711487709046970189
Check tree block failed, want=756572160, have=5305625995405044180
Check tree block failed, want=756572160, have=5305625995405044180
Check tree block failed, want=756572160, have=5305625995405044180
read block failed check_tree_block
Error reading subvolume /media/mint/usb_data/sda6_btrfs_restore_t_763420672/@: 18446744073709551611
Skipping snapshot @_2014-05-22_pre-Firefox-29-upgrade
Skipping snapshot @home_2014-05-22_pre-Firefox-29-upgrade
Skipping snapshot @_2014-05-29-pre-Add-Intel-Graphics-Repo

// So it got a bit farther this time, didn't give up on the first error, but still recovered nothing

# ./btrfs restore -i -t 762122240 /dev/mapper/sda6_crypt /media/mint/usb_data/sda6_btrfs_restore_t_762122240/

parent transid verify failed on 762122240 wanted 214454 found 214450
parent transid verify failed on 762122240 wanted 214454 found 214450
parent transid verify failed on 762122240 wanted 214454 found 214450
parent transid verify failed on 762122240 wanted 214454 found 214450
Ignoring transid failure
Couldn't setup extent tree
Couldn't setup device tree
Couldn't read fs root: -2

# ./btrfs restore -i -t 761872384 /dev/mapper/sda6_crypt /media/mint/usb_data/sda6_btrfs_restore_t_761872384/

parent transid verify failed on 761872384 wanted 214454 found 214447
parent transid verify failed on 761872384 wanted 214454 found 214447
parent transid verify failed on 761872384 wanted 214454 found 214447
parent transid verify failed on 761872384 wanted 214454 found 214447
Ignoring transid failure
Couldn't setup extent tree
Couldn't setup device tree
Couldn't read fs root: -2

// ditto for all remaining blocks identified by btrfs-find-root

# ./btrfs restore -isvvv /dev/mapper/sda6_crypt /media/mint/usb_data/sda6_btrfs_restore_isvvvv/ &> /media/mint/usb_data/sda6_btrfs_restore_isvvv.log

Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=7222353813307377896
Check tree block failed, want=760696832, have=10446918091381484860
Check tree block failed, want=760696832, have=10446918091381484860
read block failed check_tree_block
Couldn't setup extent tree
Check tree block failed, want=754847744, have=12211084221667389932
Check tree block failed, want=754847744, have=12211084221667389932
Check tree block failed, want=754847744, have=5377615513312004124
Check tree block failed, want=754847744, have=5377615513312004124
Check tree block failed, want=754847744, have=5377615513312004124
read block failed check_tree_block
Couldn't setup csum tree
Check tree block failed, want=760504320, have=15344708322078940264
Check tree block failed, want=760504320, have=15344708322078940264
Check tree block failed, want=760504320, have=1263411366756232687
Check tree block failed, want=760504320, have=1263411366756232687
Check tree block failed, want=760504320, have=1263411366756232687
read block failed check_tree_block
Couldn't setup log root tree
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=17306652534702486161
Check tree block failed, want=751292416, have=18403774803278719427
Check tree block failed, want=751292416, have=18403774803278719427
read block failed check_tree_block
Error reading subvolume /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@home: 18446744073709551611
Check tree block failed, want=756572160, have=6711487709046970189
Check tree block failed, want=756572160, have=6711487709046970189
Check tree block failed, want=756572160, have=5305625995405044180
Check tree block failed, want=756572160, have=5305625995405044180
Check tree block failed, want=756572160, have=5305625995405044180
read block failed check_tree_block
Error reading subvolume /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@: 18446744073709551611
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/boot
Found objectid=258, key=257
Done searching /@_2014-05-22_pre-Firefox-29-upgrade/boot
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/home
Found objectid=259, key=258
Done searching /@_2014-05-22_pre-Firefox-29-upgrade/home
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/fstab
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/crypttab
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/.java
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/.java/.systemPrefs
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/.java/.systemPrefs/.system.lock
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/.java/.systemPrefs/.systemRootModFile
Found objectid=802, key=801
Done searching /@_2014-05-22_pre-Firefox-29-upgrade/etc/.java/.systemPrefs
Found objectid=560, key=559
Done searching /@_2014-05-22_pre-Firefox-29-upgrade/etc/.java

<LOTS OF OUTPUT OMITTED>

Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/vmware-installer
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/vmware-installer/database
offset is 4096
offset is 12288
offset is 32768
offset is 61440
offset is 94208
offset is 110592
offset is 118784
offset is 131072
offset is 147456
offset is 188416
offset is 8192
offset is 28672
offset is 45056
offset is 86016
offset is 114688
offset is 167936
offset is 192512
offset is 4096
offset is 204800
offset is 217088
offset is 225280
offset is 233472
offset is 12288
offset is 20480
offset is 49152
offset is 4096
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-22_pre-Firefox-29-upgrade/etc/vmware-installer/components

<LOTS OF OUTPUT OMITTED>

Found objectid=257, key=256
Done searching /@_2014-05-22_pre-Firefox-29-upgrade
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@home_2014-05-22_pre-Firefox-29-upgrade
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@home_2014-05-22_pre-Firefox-29-upgrade/mike

<LOTS OF OUTPUT OMITTED>

Found objectid=257, key=256
Done searching /@home_2014-05-22_pre-Firefox-29-upgrade
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-29-pre-Add-Intel-Graphics-Repo
Restoring /media/mint/usb_data/sda6_btrfs_restore_isvvvv/@_2014-05-29-pre-Add-Intel-Graphics-Repo/boot

<LOTS OF OUTPUT OMITTED>

Found objectid=257, key=256
Done searching /@_2014-05-29-pre-Add-Intel-Graphics-Repo
Reached the end of the tree searching the directory

# grep "offset is" /media/mint/usb_data/sda6_btrfs_restore_isvvv.log | wc -l

4264