6.9.2 - BTRFS Scrub Reporting Unrecoverable Errors


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Hoping someone can provide some assistance with a BTRFS Scrub issue that I'm having. I noticed some errors in my log, sample below...

 

Apr 29 03:14:55 Media-Server kernel: BTRFS warning (device sdj1): csum failed root 5 ino 545882 off 86016 csum 0x3270ca11 expected csum 0x28eadb3e mirror 1 Apr 29 03:14:55 Media-Server kernel: BTRFS error (device sdj1): bdev /dev/sdj1 errs: wr 0, rd 0, flush 0, corrupt 199, gen 0 Apr 29 03:14:55 Media-Server kernel: BTRFS warning (device sdj1): csum failed root 5 ino 545882 off 86016 csum 0x3270ca11 expected csum 0x28eadb3e mirror 1 Apr 29 03:14:55 Media-Server kernel: BTRFS error (device sdj1): bdev /dev/sdj1 errs: wr 0, rd 0, flush 0, corrupt 200, gen 0

 

I then ran the BTRFS Scrub and I get the following...


UUID:             5b75a579-d759-43e6-809d-37b296dce574
Scrub started:    Sat May 22 12:28:47 2021
Status:           finished
Duration:         0:06:15
Total to scrub:   173.01GiB
Rate:             472.50MiB/s
Error summary:    csum=3
  Corrected:      0
  Uncorrectable:  3
  Unverified:     0

 

DMESG does identify a file that appears to be the offender, but it's buried deep in PLEX docker and everything I have tried with it just keep showing the issue when I run Scrub.

 

When I run  btrfs dev stats /mnt/cache I get the following...I had reset the stats...it previously stated 315 corruption errors.


[/dev/sdj1].write_io_errs    0
[/dev/sdj1].read_io_errs     0
[/dev/sdj1].flush_io_errs    0
[/dev/sdj1].corruption_errs  3
[/dev/sdj1].generation_errs  0
 

Is there a prescribed method for correcting this issue?

 

Thanx!

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16 hours ago, _vern_ said:

Is there a prescribed method for correcting this issue?

File is corrupt, you need to delete or restore from backups, also good idea to run memtest.

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