What does Btrfs scrub do?

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Tags

1. #btrfs
2. #scrub
3. #bandwidth
4. #metadata
5. #correct
6. #checksums
7. #repair
8. #verify
9. #which
10. #blocks
11. #corrupted
12. #devices
13. #filesystem
14. #about
15. #there
16. #utilization
17. #device
18. #estimated
19. #automatically
20. #available