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btrfs linear self-recovering after reboot

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Nov 24th, 2017
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  1. root@raspberrypi:~# /usr/local/bin/btrfs-scrub.sh
  2. root: Quick Metadata and Data Balance of /srv/dev-disk-by-label-BTRFS_LINEAR (/dev/sdb)
  3. Done, had to relocate 0 out of 3 chunks
  4. Done, had to relocate 2 out of 3 chunks
  5. Done, had to relocate 0 out of 3 chunks
  6. Done, had to relocate 0 out of 3 chunks
  7. root: Starting scrub of /srv/dev-disk-by-label-BTRFS_LINEAR
  8. btrfs scrub start -Bd /srv/dev-disk-by-label-BTRFS_LINEAR
  9. scrub device /dev/sdb (id 1) done
  10. scrub started at Fri Nov 24 21:12:38 2017 and finished after 15 seconds
  11. total bytes scrubbed: 409.66MiB with 0 errors
  12. scrub device /dev/sda (id 2) done
  13. scrub started at Fri Nov 24 21:12:38 2017 and finished after 1 seconds
  14. total bytes scrubbed: 1008.00KiB with 0 errors
  15. root@raspberrypi:~# dmesg | grep BTRFS
  16. [ 7.528064] BTRFS: device label BTRFS_LINEAR devid 2 transid 119 /dev/sda
  17. [ 8.004576] BTRFS: device label BTRFS_LINEAR devid 1 transid 166 /dev/sdb
  18. [ 8.390168] BTRFS info (device sdb): disk space caching is enabled
  19. [ 8.396164] BTRFS error (device sdb): bad tree block start 10867458048 15195979776
  20. [ 8.408157] BTRFS info (device sdb): read error corrected: ino 1 off 15195979776 (dev /dev/sda sector 2080)
  21. [ 8.408555] BTRFS info (device sdb): read error corrected: ino 1 off 15195983872 (dev /dev/sda sector 2088)
  22. [ 8.409721] BTRFS info (device sdb): read error corrected: ino 1 off 15195987968 (dev /dev/sda sector 2096)
  23. [ 8.410262] BTRFS info (device sdb): read error corrected: ino 1 off 15195992064 (dev /dev/sda sector 2104)
  24. [ 8.411730] BTRFS error (device sdb): bad tree block start 0 14095319040
  25. [ 8.429716] BTRFS info (device sdb): read error corrected: ino 1 off 14095319040 (dev /dev/sda sector 4356800)
  26. [ 8.430235] BTRFS info (device sdb): read error corrected: ino 1 off 14095323136 (dev /dev/sda sector 4356808)
  27. [ 8.431131] BTRFS info (device sdb): read error corrected: ino 1 off 14095327232 (dev /dev/sda sector 4356816)
  28. [ 8.432156] BTRFS info (device sdb): read error corrected: ino 1 off 14095331328 (dev /dev/sda sector 4356824)
  29. [ 8.433066] BTRFS error (device sdb): bad tree block start 0 14095237120
  30. [ 8.445036] BTRFS info (device sdb): read error corrected: ino 1 off 14095237120 (dev /dev/sda sector 4356640)
  31. [ 8.445403] BTRFS info (device sdb): read error corrected: ino 1 off 14095241216 (dev /dev/sda sector 4356648)
  32. [ 8.446841] BTRFS error (device sdb): bad tree block start 0 14095384576
  33. [ 8.450050] BTRFS error (device sdb): bad tree block start 0 14095269888
  34. [ 8.453741] BTRFS error (device sdb): bad tree block start 0 14088732672
  35. [ 8.463732] BTRFS info (device sdb): bdev /dev/sda errs: wr 530, rd 63, flush 0, corrupt 0, gen 0
  36. [ 8.464971] BTRFS error (device sdb): bad tree block start 0 14095302656
  37. [ 8.466029] BTRFS error (device sdb): bad tree block start 0 14095253504
  38. [ 8.473182] BTRFS error (device sdb): bad tree block start 0 14095302656
  39. [ 8.478776] BTRFS error (device sdb): bad tree block start 0 14094778368
  40. [ 69.018702] BTRFS error (device sdb): bad tree block start 0 14095335424
  41. [ 69.025796] BTRFS info (device sdb): read error corrected: ino 1 off 14095335424 (dev /dev/sda sector 4356832)
  42. [ 69.026180] BTRFS info (device sdb): read error corrected: ino 1 off 14095339520 (dev /dev/sda sector 4356840)
  43. [ 69.026552] BTRFS info (device sdb): read error corrected: ino 1 off 14095343616 (dev /dev/sda sector 4356848)
  44. [ 69.026919] BTRFS info (device sdb): read error corrected: ino 1 off 14095347712 (dev /dev/sda sector 4356856)
  45. [ 116.927436] BTRFS info (device sdb): relocating block group 15195963392 flags 18
  46. [ 117.045310] BTRFS info (device sdb): relocating block group 14088667136 flags 20
  47. [ 117.504636] BTRFS info (device sdb): found 58 extents
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